wip: vscode extension

This reverts commit d01fd0a344.

.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*]
+charset = utf-8
+insert_final_newline = true
+end_of_line = lf
+indent_style = space
+indent_size = 2
+max_line_length = 80

.github/workflows/build.yml

@@ -1,37 +0,0 @@
-name: build
-
-on:
-  workflow_dispatch:
-  push:
-    branches:
-      - dev
-
-concurrency: ${{ github.workflow }}-${{ github.ref }}
-
-permissions:
-  contents: write
-  packages: write
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - run: git fetch --force --tags
-
-      - uses: actions/setup-go@v5
-        with:
-          go-version: ">=1.23.2"
-          cache: true
-          cache-dependency-path: go.sum
-
-      - run: go mod download
-
-      - uses: goreleaser/goreleaser-action@v6
-        with:
-          distribution: goreleaser
-          version: latest
-          args: build --snapshot --clean

.github/workflows/deploy.yml

@@ -3,7 +3,8 @@ name: deploy
 on:
   push:
     branches:
-      - dontlook
+      - dev
+      - production
   workflow_dispatch:
 
 concurrency: ${{ github.workflow }}-${{ github.ref }}
@@ -16,10 +17,10 @@ jobs:
 
       - uses: oven-sh/setup-bun@v1
         with:
-          bun-version: latest
+          bun-version: 1.2.17
 
       - run: bun install
 
-      - run: bun sst deploy --stage=dev
+      - run: bun sst deploy --stage=${{ github.ref_name }}
         env:
           CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}

.github/workflows/notify-discord.yml

@@ -0,0 +1,14 @@
+name: discord
+
+on:
+  release:
+    types: [published]   # fires only when a release is published
+
+jobs:
+  notify:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send nicely-formatted embed to Discord
+        uses: SethCohen/github-releases-to-discord@v1
+        with:
+          webhook_url: ${{ secrets.DISCORD_WEBHOOK }}

.github/workflows/opencode.yml

@@ -0,0 +1,24 @@
+name: opencode
+
+on:
+  issue_comment:
+    types: [created]
+
+jobs:
+  opencode:
+    if: startsWith(github.event.comment.body, 'hey opencode')
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Run opencode
+        uses: sst/opencode/sdks/github@github-v1
+        env:
+          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+        with:
+          model: anthropic/claude-sonnet-4-20250514

.github/workflows/publish-github-action.yml

@@ -0,0 +1,30 @@
+name: publish-github-action
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - "github-v*.*.*"
+      - "!github-v1"
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+permissions:
+  contents: write
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - run: git fetch --force --tags
+
+      - name: Publish
+        run: |
+          git config --global user.email "opencode@sst.dev"
+          git config --global user.name "opencode"
+          ./script/publish
+        working-directory: ./sdks/github

.github/workflows/publish-vscode.yml

@@ -0,0 +1,36 @@
+name: publish-vscode
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - "vscode-v*.*.*"
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+permissions:
+  contents: write
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 1.2.17
+
+      - run: git fetch --force --tags
+      - run: bun install -g @vscode/vsce
+
+      - name: Publish
+        run: |
+          bun install
+          ./script/publish
+        working-directory: ./sdks/vscode
+        env:
+          VSCE_PAT: ${{ secrets.VSCE_PAT }}
+          OPENVSX_TOKEN: ${{ secrets.OPENVSX_TOKEN }}

.github/workflows/publish.yml

@@ -0,0 +1,65 @@
+name: publish
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - dev
+    tags:
+      - "*"
+      - "!vscode-v*"
+      - "!github-v*"
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - run: git fetch --force --tags
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version: ">=1.24.0"
+          cache: true
+          cache-dependency-path: go.sum
+
+      - uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 1.2.17
+
+      - name: Install makepkg
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y pacman-package-manager
+
+      - name: Setup SSH for AUR
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.AUR_KEY }}" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+          ssh-keyscan -H aur.archlinux.org >> ~/.ssh/known_hosts
+          git config --global user.email "opencode@sst.dev"
+          git config --global user.name "opencode"
+
+      - name: Publish
+        run: |
+          bun install
+          if [ "${{ startsWith(github.ref, 'refs/tags/') }}" = "true" ]; then
+            ./script/publish.ts
+          else
+            ./script/publish.ts --snapshot
+          fi
+        working-directory: ./packages/opencode
+        env:
+          GITHUB_TOKEN: ${{ secrets.SST_GITHUB_TOKEN }}
+          AUR_KEY: ${{ secrets.AUR_KEY }}
+          NPM_CONFIG_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/release.yml

@@ -1,40 +0,0 @@
-name: release
-
-on:
-  workflow_dispatch:
-  push:
-    tags:
-      - "*"
-
-concurrency: ${{ github.workflow }}-${{ github.ref }}
-
-permissions:
-  contents: write
-  packages: write
-
-jobs:
-  goreleaser:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - run: git fetch --force --tags
-
-      - uses: actions/setup-go@v5
-        with:
-          go-version: ">=1.23.2"
-          cache: true
-          cache-dependency-path: go.sum
-
-      - run: go mod download
-
-      - uses: goreleaser/goreleaser-action@v6
-        with:
-          distribution: goreleaser
-          version: latest
-          args: release --clean
-        env:
-          GITHUB_TOKEN: ${{ secrets.SST_GITHUB_TOKEN }}
-          AUR_KEY: ${{ secrets.AUR_KEY }}

.github/workflows/stats.yml

@@ -0,0 +1,32 @@
+name: stats
+
+on:
+  schedule:
+    - cron: "0 12 * * *" # Run daily at 12:00 UTC
+  workflow_dispatch: # Allow manual trigger
+
+jobs:
+  stats:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Run stats script
+        run: bun scripts/stats.ts
+
+      - name: Commit stats
+        run: |
+          git config --local user.email "action@github.com"
+          git config --local user.name "GitHub Action"
+          git add STATS.md
+          git diff --staged --quiet || git commit -m "ignore: update download stats $(date -I)"
+          git push

.gitignore

@@ -1,5 +1,8 @@
+.DS_Store
 node_modules
 .opencode
 .sst
-app.log
 .env
+.idea
+.vscode
+openapi.json

.opencode.json

@@ -1,3 +0,0 @@
-{
-  "$schema": "./opencode-schema.json"
-}

AGENTS.md

@@ -0,0 +1,15 @@
+# TUI Agent Guidelines
+
+## Style
+
+- prefer single word variable/function names
+- avoid try catch where possible - prefer to let exceptions bubble up
+- avoid else statements where possible
+- do not make useless helper functions - inline functionality unless the
+  function is reusable or composable
+- prefer Bun apis
+
+## Workflow
+
+- you can regenerate the golang sdk by calling ./scripts/stainless.ts
+- we use bun for everything

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2025 OpenCode
+Copyright (c) 2025 opencode
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -1,728 +1,110 @@
-# ◍OpenCode
+<p align="center">
+  <a href="https://opencode.ai">
+    <picture>
+      <source srcset="packages/web/src/assets/logo-ornate-dark.svg" media="(prefers-color-scheme: dark)">
+      <source srcset="packages/web/src/assets/logo-ornate-light.svg" media="(prefers-color-scheme: light)">
+      <img src="packages/web/src/assets/logo-ornate-light.svg" alt="opencode logo">
+    </picture>
+  </a>
+</p>
+<p align="center">AI coding agent, built for the terminal.</p>
+<p align="center">
+  <a href="https://opencode.ai/discord"><img alt="Discord" src="https://img.shields.io/discord/1391832426048651334?style=flat-square&label=discord" /></a>
+  <a href="https://www.npmjs.com/package/opencode-ai"><img alt="npm" src="https://img.shields.io/npm/v/opencode-ai?style=flat-square" /></a>
+  <a href="https://github.com/sst/opencode/actions/workflows/publish.yml"><img alt="Build status" src="https://img.shields.io/github/actions/workflow/status/sst/opencode/publish.yml?style=flat-square&branch=dev" /></a>
+</p>
 
-![OpenCode Terminal UI](screenshot.png)
+[![opencode Terminal UI](packages/web/src/assets/lander/screenshot.png)](https://opencode.ai)
 
-> **⚠️ Early Development Notice:** This project is in early development and is not yet ready for production use. Features may change, break, or be incomplete. Use at your own risk.
+---
 
-A powerful terminal-based AI assistant for developers, providing intelligent coding assistance directly in your terminal.
-
-## Overview
-
-OpenCode is a Go-based CLI application that brings AI assistance to your terminal. It provides a TUI (Terminal User Interface) for interacting with various AI models to help with coding tasks, debugging, and more.
-
-## Features
-
-- **Interactive TUI**: Built with [Bubble Tea](https://github.com/charmbracelet/bubbletea) for a smooth terminal experience
-- **Multiple AI Providers**: Support for OpenAI, Anthropic Claude, Google Gemini, AWS Bedrock, Groq, Azure OpenAI, and OpenRouter
-- **Session Management**: Save and manage multiple conversation sessions
-- **Tool Integration**: AI can execute commands, search files, and modify code
-- **Vim-like Editor**: Integrated editor with text input capabilities
-- **Persistent Storage**: SQLite database for storing conversations and sessions
-- **LSP Integration**: Language Server Protocol support for code intelligence
-- **File Change Tracking**: Track and visualize file changes during sessions
-- **External Editor Support**: Open your preferred editor for composing messages
-- **Named Arguments for Custom Commands**: Create powerful custom commands with multiple named placeholders
-
-## Installation
-
-### Using the Install Script
+### Installation
 
 ```bash
-# Install the latest version
+# YOLO
 curl -fsSL https://opencode.ai/install | bash
 
-# Install a specific version
-curl -fsSL https://opencode.ai/install | VERSION=0.1.0 bash
+# Package managers
+npm i -g opencode-ai@latest        # or bun/pnpm/yarn
+brew install sst/tap/opencode      # macOS
+paru -S opencode-bin               # Arch Linux
 ```
 
-### Using Homebrew (macOS and Linux)
+> [!TIP]
+> Remove versions older than 0.1.x before installing.
+
+#### Installation Directory
+
+The install script respects the following priority order for the installation path:
+
+1. `$OPENCODE_INSTALL_DIR` - Custom installation directory
+2. `$XDG_BIN_DIR` - XDG Base Directory Specification compliant path
+3. `$HOME/bin` - Standard user binary directory (if exists or can be created)
+4. `$HOME/.opencode/bin` - Default fallback
 
 ```bash
-brew install sst/tap/opencode
+# Examples
+OPENCODE_INSTALL_DIR=/usr/local/bin curl -fsSL https://opencode.ai/install | bash
+XDG_BIN_DIR=$HOME/.local/bin curl -fsSL https://opencode.ai/install | bash
 ```
 
-### Using AUR (Arch Linux)
+### Documentation
+
+For more info on how to configure opencode [**head over to our docs**](https://opencode.ai/docs).
+
+### Contributing
+
+opencode is an opinionated tool so any fundamental feature needs to go through a
+design process with the core team.
+
+> [!IMPORTANT]
+> We do not accept PRs for core features.
+
+However we still merge a ton of PRs - you can contribute:
+
+- Bug fixes
+- Improvements to LLM performance
+- Support for new providers
+- Fixes for env specific quirks
+- Missing standard behavior
+- Documentation
+
+Take a look at the git history to see what kind of PRs we end up merging.
+
+> [!NOTE]
+> If you do not follow the above guidelines we might close your PR.
+
+To run opencode locally you need.
+
+- Bun
+- Golang 1.24.x
+
+And run.
 
 ```bash
-# Using yay
-yay -S opencode-bin
-
-# Using paru
-paru -S opencode-bin
+$ bun install
+$ bun run packages/opencode/src/index.ts
 ```
 
-### Using Go
+#### Development Notes
 
-```bash
-go install github.com/sst/opencode@latest
-```
+**API Client**: After making changes to the TypeScript API endpoints in `packages/opencode/src/server/server.ts`, you will need the opencode team to generate a new stainless sdk for the clients.
 
-## Configuration
+### FAQ
 
-OpenCode looks for configuration in the following locations:
+#### How is this different than Claude Code?
 
-- `$HOME/.opencode.json`
-- `$XDG_CONFIG_HOME/opencode/.opencode.json`
-- `./.opencode.json` (local directory)
+It's very similar to Claude Code in terms of capability. Here are the key differences:
 
-### Environment Variables
+- 100% open source
+- Not coupled to any provider. Although Anthropic is recommended, opencode can be used with OpenAI, Google or even local models. As models evolve the gaps between them will close and pricing will drop so being provider agnostic is important.
+- A focus on TUI. opencode is built by neovim users and the creators of [terminal.shop](https://terminal.shop); we are going to push the limits of what's possible in the terminal.
+- A client/server architecture. This for example can allow opencode to run on your computer, while you can drive it remotely from a mobile app. Meaning that the TUI frontend is just one of the possible clients.
 
-You can configure OpenCode using environment variables:
+#### What's the other repo?
 
-| Environment Variable       | Purpose                                                |
-| -------------------------- | ------------------------------------------------------ |
-| `ANTHROPIC_API_KEY`        | For Claude models                                      |
-| `OPENAI_API_KEY`           | For OpenAI models                                      |
-| `GEMINI_API_KEY`           | For Google Gemini models                               |
-| `VERTEXAI_PROJECT`         | For Google Cloud VertexAI (Gemini)                     |
-| `VERTEXAI_LOCATION`        | For Google Cloud VertexAI (Gemini)                     |
-| `GROQ_API_KEY`             | For Groq models                                        |
-| `AWS_ACCESS_KEY_ID`        | For AWS Bedrock (Claude)                               |
-| `AWS_SECRET_ACCESS_KEY`    | For AWS Bedrock (Claude)                               |
-| `AWS_REGION`               | For AWS Bedrock (Claude)                               |
-| `AZURE_OPENAI_ENDPOINT`    | For Azure OpenAI models                                |
-| `AZURE_OPENAI_API_KEY`     | For Azure OpenAI models (optional when using Entra ID) |
-| `AZURE_OPENAI_API_VERSION` | For Azure OpenAI models                                |
+The other confusingly named repo has no relation to this one. You can [read the story behind it here](https://x.com/thdxr/status/1933561254481666466).
 
-### Configuration File Structure
+---
 
-```json
-{
-  "data": {
-    "directory": ".opencode"
-  },
-  "providers": {
-    "openai": {
-      "apiKey": "your-api-key",
-      "disabled": false
-    },
-    "anthropic": {
-      "apiKey": "your-api-key",
-      "disabled": false
-    },
-    "groq": {
-      "apiKey": "your-api-key",
-      "disabled": false
-    },
-    "openrouter": {
-      "apiKey": "your-api-key",
-      "disabled": false
-    }
-  },
-  "agents": {
-    "primary": {
-      "model": "claude-3.7-sonnet",
-      "maxTokens": 5000
-    },
-    "task": {
-      "model": "claude-3.7-sonnet",
-      "maxTokens": 5000
-    },
-    "title": {
-      "model": "claude-3.7-sonnet",
-      "maxTokens": 80
-    }
-  },
-  "mcpServers": {
-    "example": {
-      "type": "stdio",
-      "command": "path/to/mcp-server",
-      "env": [],
-      "args": []
-    }
-  },
-  "lsp": {
-    "go": {
-      "disabled": false,
-      "command": "gopls"
-    }
-  },
-  "shell": {
-    "path": "/bin/zsh",
-    "args": ["-l"]
-  },
-  "debug": false,
-  "debugLSP": false
-}
-```
-
-## Supported AI Models
-
-OpenCode supports a variety of AI models from different providers:
-
-### OpenAI
-
-- GPT-4.1 family (gpt-4.1, gpt-4.1-mini, gpt-4.1-nano)
-- GPT-4.5 Preview
-- GPT-4o family (gpt-4o, gpt-4o-mini)
-- O1 family (o1, o1-pro, o1-mini)
-- O3 family (o3, o3-mini)
-- O4 Mini
-
-### Anthropic
-
-- Claude 3.5 Sonnet
-- Claude 3.5 Haiku
-- Claude 3.7 Sonnet
-- Claude 3 Haiku
-- Claude 3 Opus
-
-### Google
-
-- Gemini 2.5
-- Gemini 2.5 Flash
-- Gemini 2.0 Flash
-- Gemini 2.0 Flash Lite
-
-### AWS Bedrock
-
-- Claude 3.7 Sonnet
-
-### Groq
-
-- Llama 4 Maverick (17b-128e-instruct)
-- Llama 4 Scout (17b-16e-instruct)
-- QWEN QWQ-32b
-- Deepseek R1 distill Llama 70b
-- Llama 3.3 70b Versatile
-
-### Azure OpenAI
-
-- GPT-4.1 family (gpt-4.1, gpt-4.1-mini, gpt-4.1-nano)
-- GPT-4.5 Preview
-- GPT-4o family (gpt-4o, gpt-4o-mini)
-- O1 family (o1, o1-mini)
-- O3 family (o3, o3-mini)
-- O4 Mini
-
-### Google Cloud VertexAI
-
-- Gemini 2.5
-- Gemini 2.5 Flash
-
-## Using Bedrock Models
-
-To use bedrock models with OpenCode you need three things.
-
-1. Valid AWS credentials (the env vars: `AWS_SECRET_KEY_ID`, `AWS_SECRET_ACCESS_KEY` and `AWS_REGION`)
-2. Access to the corresponding model in AWS Bedrock in your region.
-   a. You can request access in the AWS console on the Bedrock -> "Model access" page.
-3. A correct configuration file. You don't need the `providers` key. Instead you have to prefix your models per agent with `bedrock.` and then a valid model. For now only Claude 3.7 is supported.
-
-```json
-{
-  "agents": {
-    "primary": {
-      "model": "bedrock.claude-3.7-sonnet",
-      "maxTokens": 5000,
-      "reasoningEffort": ""
-    },
-    "task": {
-      "model": "bedrock.claude-3.7-sonnet",
-      "maxTokens": 5000,
-      "reasoningEffort": ""
-    },
-    "title": {
-      "model": "bedrock.claude-3.7-sonnet",
-      "maxTokens": 80,
-      "reasoningEffort": ""
-    }
-  }
-}
-```
-
-## Interactive Mode Usage
-
-```bash
-# Start OpenCode
-opencode
-
-# Start with debug logging
-opencode -d
-
-# Start with a specific working directory
-opencode -c /path/to/project
-```
-
-## Non-interactive Prompt Mode
-
-You can run OpenCode in non-interactive mode by passing a prompt directly as a command-line argument or by piping text into the command. This is useful for scripting, automation, or when you want a quick answer without launching the full TUI.
-
-```bash
-# Run a single prompt and print the AI's response to the terminal
-opencode -p "Explain the use of context in Go"
-
-# Pipe input to OpenCode (equivalent to using -p flag)
-echo "Explain the use of context in Go" | opencode
-
-# Get response in JSON format
-opencode -p "Explain the use of context in Go" -f json
-# Or with piped input
-echo "Explain the use of context in Go" | opencode -f json
-
-# Run without showing the spinner
-opencode -p "Explain the use of context in Go" -q
-# Or with piped input
-echo "Explain the use of context in Go" | opencode -q
-
-# Enable verbose logging to stderr
-opencode -p "Explain the use of context in Go" --verbose
-# Or with piped input
-echo "Explain the use of context in Go" | opencode --verbose
-
-# Restrict the agent to only use specific tools
-opencode -p "Explain the use of context in Go" --allowedTools=view,ls,glob
-# Or with piped input
-echo "Explain the use of context in Go" | opencode --allowedTools=view,ls,glob
-
-# Prevent the agent from using specific tools
-opencode -p "Explain the use of context in Go" --excludedTools=bash,edit
-# Or with piped input
-echo "Explain the use of context in Go" | opencode --excludedTools=bash,edit
-```
-
-In this mode, OpenCode will process your prompt, print the result to standard output, and then exit. All permissions are auto-approved for the session.
-
-### Tool Restrictions
-
-You can control which tools the AI assistant has access to in non-interactive mode:
-
-- `--allowedTools`: Comma-separated list of tools that the agent is allowed to use. Only these tools will be available.
-- `--excludedTools`: Comma-separated list of tools that the agent is not allowed to use. All other tools will be available.
-
-These flags are mutually exclusive - you can use either `--allowedTools` or `--excludedTools`, but not both at the same time.
-
-### Output Formats
-
-OpenCode supports the following output formats in non-interactive mode:
-
-| Format | Description                     |
-| ------ | ------------------------------- |
-| `text` | Plain text output (default)     |
-| `json` | Output wrapped in a JSON object |
-
-The output format is implemented as a strongly-typed `OutputFormat` in the codebase, ensuring type safety and validation when processing outputs.
-
-## Command-line Flags
-
-| Flag              | Short | Description                                         |
-| ----------------- | ----- | --------------------------------------------------- |
-| `--help`          | `-h`  | Display help information                            |
-| `--debug`         | `-d`  | Enable debug mode                                   |
-| `--cwd`           | `-c`  | Set current working directory                       |
-| `--prompt`        | `-p`  | Run a single prompt in non-interactive mode         |
-| `--output-format` | `-f`  | Output format for non-interactive mode (text, json) |
-| `--quiet`         | `-q`  | Hide spinner in non-interactive mode                |
-| `--verbose`       |       | Display logs to stderr in non-interactive mode      |
-| `--allowedTools`  |       | Restrict the agent to only use specified tools      |
-| `--excludedTools` |       | Prevent the agent from using specified tools        |
-
-## Keyboard Shortcuts
-
-### Global Shortcuts
-
-| Shortcut | Action                                                  |
-| -------- | ------------------------------------------------------- |
-| `Ctrl+C` | Quit application                                        |
-| `Ctrl+?` | Toggle help dialog                                      |
-| `?`      | Toggle help dialog (when not in editing mode)           |
-| `Ctrl+L` | View logs                                               |
-| `Ctrl+A` | Switch session                                          |
-| `Ctrl+K` | Command dialog                                          |
-| `Ctrl+O` | Toggle model selection dialog                           |
-| `Esc`    | Close current overlay/dialog or return to previous mode |
-
-### Chat Page Shortcuts
-
-| Shortcut | Action                                  |
-| -------- | --------------------------------------- |
-| `Ctrl+N` | Create new session                      |
-| `Ctrl+X` | Cancel current operation/generation     |
-| `i`      | Focus editor (when not in writing mode) |
-| `Esc`    | Exit writing mode and focus messages    |
-
-### Editor Shortcuts
-
-| Shortcut            | Action                                    |
-| ------------------- | ----------------------------------------- |
-| `Ctrl+S`            | Send message (when editor is focused)     |
-| `Enter` or `Ctrl+S` | Send message (when editor is not focused) |
-| `Ctrl+E`            | Open external editor                      |
-| `Esc`               | Blur editor and focus messages            |
-
-### Session Dialog Shortcuts
-
-| Shortcut   | Action           |
-| ---------- | ---------------- |
-| `↑` or `k` | Previous session |
-| `↓` or `j` | Next session     |
-| `Enter`    | Select session   |
-| `Esc`      | Close dialog     |
-
-### Model Dialog Shortcuts
-
-| Shortcut   | Action            |
-| ---------- | ----------------- |
-| `↑` or `k` | Move up           |
-| `↓` or `j` | Move down         |
-| `←` or `h` | Previous provider |
-| `→` or `l` | Next provider     |
-| `Esc`      | Close dialog      |
-
-### Permission Dialog Shortcuts
-
-| Shortcut                | Action                       |
-| ----------------------- | ---------------------------- |
-| `←` or `left`           | Switch options left          |
-| `→` or `right` or `tab` | Switch options right         |
-| `Enter` or `space`      | Confirm selection            |
-| `a`                     | Allow permission             |
-| `A`                     | Allow permission for session |
-| `d`                     | Deny permission              |
-
-### Logs Page Shortcuts
-
-| Shortcut           | Action              |
-| ------------------ | ------------------- |
-| `Backspace` or `q` | Return to chat page |
-
-## AI Assistant Tools
-
-OpenCode's AI assistant has access to various tools to help with coding tasks:
-
-### File and Code Tools
-
-| Tool          | Description                 | Parameters                                                                               |
-| ------------- | --------------------------- | ---------------------------------------------------------------------------------------- |
-| `glob`        | Find files by pattern       | `pattern` (required), `path` (optional)                                                  |
-| `grep`        | Search file contents        | `pattern` (required), `path` (optional), `include` (optional), `literal_text` (optional) |
-| `ls`          | List directory contents     | `path` (optional), `ignore` (optional array of patterns)                                 |
-| `view`        | View file contents          | `file_path` (required), `offset` (optional), `limit` (optional)                          |
-| `write`       | Write to files              | `file_path` (required), `content` (required)                                             |
-| `edit`        | Edit files                  | Various parameters for file editing                                                      |
-| `patch`       | Apply patches to files      | `file_path` (required), `diff` (required)                                                |
-| `diagnostics` | Get diagnostics information | `file_path` (optional)                                                                   |
-
-### Other Tools
-
-| Tool    | Description                     | Parameters                                                  |
-| ------- | ------------------------------- | ----------------------------------------------------------- |
-| `bash`  | Execute shell commands          | `command` (required), `timeout` (optional)                  |
-| `fetch` | Fetch data from URLs            | `url` (required), `format` (required), `timeout` (optional) |
-| `agent` | Run sub-tasks with the AI agent | `prompt` (required)                                         |
-
-## Theming
-
-OpenCode supports multiple themes for customizing the appearance of the terminal interface.
-
-### Available Themes
-
-The following predefined themes are available:
-
-- `opencode` (default)
-- `catppuccin`
-- `dracula`
-- `flexoki`
-- `gruvbox`
-- `monokai`
-- `onedark`
-- `tokyonight`
-- `tron`
-- `custom` (user-defined)
-
-### Setting a Theme
-
-You can set a theme in your `.opencode.json` configuration file:
-
-```json
-{
-  "tui": {
-    "theme": "monokai"
-  }
-}
-```
-
-### Custom Themes
-
-You can define your own custom theme by setting the `theme` to `"custom"` and providing color definitions in the `customTheme` map:
-
-```json
-{
-  "tui": {
-    "theme": "custom",
-    "customTheme": {
-      "primary": "#ffcc00",
-      "secondary": "#00ccff",
-      "accent": { "dark": "#aa00ff", "light": "#ddccff" },
-      "error": "#ff0000"
-    }
-  }
-}
-```
-
-#### Color Definition Formats
-
-Custom theme colors support two formats:
-
-1. **Simple Hex String**: A single hex color string (e.g., `"#aabbcc"`) that will be used for both light and dark terminal backgrounds.
-
-2. **Adaptive Object**: An object with `dark` and `light` keys, each holding a hex color string. This allows for adaptive colors based on the terminal's background.
-
-#### Available Color Keys
-
-You can define any of the following color keys in your `customTheme`:
-
-- Base colors: `primary`, `secondary`, `accent`
-- Status colors: `error`, `warning`, `success`, `info`
-- Text colors: `text`, `textMuted`, `textEmphasized`
-- Background colors: `background`, `backgroundSecondary`, `backgroundDarker`
-- Border colors: `borderNormal`, `borderFocused`, `borderDim`
-- Diff view colors: `diffAdded`, `diffRemoved`, `diffContext`, etc.
-
-You don't need to define all colors. Any undefined colors will fall back to the default "opencode" theme colors.
-
-### Shell Configuration
-
-OpenCode allows you to configure the shell used by the `bash` tool. By default, it uses:
-
-1. The shell specified in the config file (if provided)
-2. The shell from the `$SHELL` environment variable (if available)
-3. Falls back to `/bin/bash` if neither of the above is available
-
-To configure a custom shell, add a `shell` section to your `.opencode.json` configuration file:
-
-```json
-{
-  "shell": {
-    "path": "/bin/zsh",
-    "args": ["-l"]
-  }
-}
-```
-
-You can specify any shell executable and custom arguments:
-
-```json
-{
-  "shell": {
-    "path": "/usr/bin/fish",
-    "args": []
-  }
-}
-```
-
-## Architecture
-
-OpenCode is built with a modular architecture:
-
-- **cmd**: Command-line interface using Cobra
-- **internal/app**: Core application services
-- **internal/config**: Configuration management
-- **internal/db**: Database operations and migrations
-- **internal/llm**: LLM providers and tools integration
-- **internal/tui**: Terminal UI components and layouts
-- **internal/logging**: Logging infrastructure
-- **internal/message**: Message handling
-- **internal/session**: Session management
-- **internal/lsp**: Language Server Protocol integration
-
-## Custom Commands
-
-OpenCode supports custom commands that can be created by users to quickly send predefined prompts to the AI assistant.
-
-### Creating Custom Commands
-
-Custom commands are predefined prompts stored as Markdown files in one of three locations:
-
-1. **User Commands** (prefixed with `user:`):
-
-   ```
-   $XDG_CONFIG_HOME/opencode/commands/
-   ```
-
-   (typically `~/.config/opencode/commands/` on Linux/macOS)
-
-   or
-
-   ```
-   $HOME/.opencode/commands/
-   ```
-
-2. **Project Commands** (prefixed with `project:`):
-   ```
-   <PROJECT DIR>/.opencode/commands/
-   ```
-
-Each `.md` file in these directories becomes a custom command. The file name (without extension) becomes the command ID.
-
-For example, creating a file at `~/.config/opencode/commands/prime-context.md` with content:
-
-```markdown
-RUN git ls-files
-READ README.md
-```
-
-This creates a command called `user:prime-context`.
-
-### Command Arguments
-
-OpenCode supports named arguments in custom commands using placeholders in the format `$NAME` (where NAME consists of uppercase letters, numbers, and underscores, and must start with a letter).
-
-For example:
-
-```markdown
-# Fetch Context for Issue $ISSUE_NUMBER
-
-RUN gh issue view $ISSUE_NUMBER --json title,body,comments
-RUN git grep --author="$AUTHOR_NAME" -n .
-RUN grep -R "$SEARCH_PATTERN" $DIRECTORY
-```
-
-When you run a command with arguments, OpenCode will prompt you to enter values for each unique placeholder. Named arguments provide several benefits:
-
-- Clear identification of what each argument represents
-- Ability to use the same argument multiple times
-- Better organization for commands with multiple inputs
-
-### Organizing Commands
-
-You can organize commands in subdirectories:
-
-```
-~/.config/opencode/commands/git/commit.md
-```
-
-This creates a command with ID `user:git:commit`.
-
-### Using Custom Commands
-
-1. Press `Ctrl+K` to open the command dialog
-2. Select your custom command (prefixed with either `user:` or `project:`)
-3. Press Enter to execute the command
-
-The content of the command file will be sent as a message to the AI assistant.
-
-## MCP (Model Context Protocol)
-
-OpenCode implements the Model Context Protocol (MCP) to extend its capabilities through external tools. MCP provides a standardized way for the AI assistant to interact with external services and tools.
-
-### MCP Features
-
-- **External Tool Integration**: Connect to external tools and services via a standardized protocol
-- **Tool Discovery**: Automatically discover available tools from MCP servers
-- **Multiple Connection Types**:
-  - **Stdio**: Communicate with tools via standard input/output
-  - **SSE**: Communicate with tools via Server-Sent Events
-- **Security**: Permission system for controlling access to MCP tools
-
-### Configuring MCP Servers
-
-MCP servers are defined in the configuration file under the `mcpServers` section:
-
-```json
-{
-  "mcpServers": {
-    "example": {
-      "type": "stdio",
-      "command": "path/to/mcp-server",
-      "env": [],
-      "args": []
-    },
-    "web-example": {
-      "type": "sse",
-      "url": "https://example.com/mcp",
-      "headers": {
-        "Authorization": "Bearer token"
-      }
-    }
-  }
-}
-```
-
-### MCP Tool Usage
-
-Once configured, MCP tools are automatically available to the AI assistant alongside built-in tools. They follow the same permission model as other tools, requiring user approval before execution.
-
-## LSP (Language Server Protocol)
-
-OpenCode integrates with Language Server Protocol to provide code intelligence features across multiple programming languages.
-
-### LSP Features
-
-- **Multi-language Support**: Connect to language servers for different programming languages
-- **Diagnostics**: Receive error checking and linting information
-- **File Watching**: Automatically notify language servers of file changes
-
-### Configuring LSP
-
-Language servers are configured in the configuration file under the `lsp` section:
-
-```json
-{
-  "lsp": {
-    "go": {
-      "disabled": false,
-      "command": "gopls"
-    },
-    "typescript": {
-      "disabled": false,
-      "command": "typescript-language-server",
-      "args": ["--stdio"]
-    }
-  }
-}
-```
-
-### LSP Integration with AI
-
-The AI assistant can access LSP features through the `diagnostics` tool, allowing it to:
-
-- Check for errors in your code
-- Suggest fixes based on diagnostics
-
-While the LSP client implementation supports the full LSP protocol (including completions, hover, definition, etc.), currently only diagnostics are exposed to the AI assistant.
-
-## Development
-
-### Prerequisites
-
-- Go 1.24.0 or higher
-
-### Building from Source
-
-```bash
-# Clone the repository
-git clone https://github.com/sst/opencode.git
-cd opencode
-
-# Build
-go build -o opencode
-
-# Run
-./opencode
-```
-
-## Acknowledgments
-
-OpenCode gratefully acknowledges the contributions and support from these key individuals:
-
-- [@isaacphi](https://github.com/isaacphi) - For the [mcp-language-server](https://github.com/isaacphi/mcp-language-server) project which provided the foundation for our LSP client implementation
-- [@adamdottv](https://github.com/adamdottv) - For the design direction and UI/UX architecture
-
-Special thanks to the broader open source community whose tools and libraries have made this project possible.
-
-## License
-
-OpenCode is licensed under the MIT License. See the [LICENSE](LICENSE) file for details.
-
-## Contributing
-
-Contributions are welcome! Here's how you can contribute:
-
-1. Fork the repository
-2. Create a feature branch (`git checkout -b feature/amazing-feature`)
-3. Commit your changes (`git commit -m 'Add some amazing feature'`)
-4. Push to the branch (`git push origin feature/amazing-feature`)
-5. Open a Pull Request
-
-Please make sure to update tests as appropriate and follow the existing code style.
+**Join our community** [Discord](https://discord.gg/opencode) | [YouTube](https://www.youtube.com/c/sst-dev) | [X.com](https://x.com/SST_dev)

STATS.md

@@ -0,0 +1,25 @@
+# Download Stats
+
+| Date       | GitHub Downloads | npm Downloads    | Total             |
+| ---------- | ---------------- | ---------------- | ----------------- |
+| 2025-06-29 | 18,789 (+0)      | 39,420 (+0)      | 58,209 (+0)       |
+| 2025-06-30 | 20,127 (+1,338)  | 41,059 (+1,639)  | 61,186 (+2,977)   |
+| 2025-07-01 | 22,108 (+1,981)  | 43,745 (+2,686)  | 65,853 (+4,667)   |
+| 2025-07-02 | 24,814 (+2,706)  | 46,168 (+2,423)  | 70,982 (+5,129)   |
+| 2025-07-03 | 27,834 (+3,020)  | 49,955 (+3,787)  | 77,789 (+6,807)   |
+| 2025-07-04 | 30,608 (+2,774)  | 54,758 (+4,803)  | 85,366 (+7,577)   |
+| 2025-07-05 | 32,524 (+1,916)  | 58,371 (+3,613)  | 90,895 (+5,529)   |
+| 2025-07-06 | 33,766 (+1,242)  | 59,694 (+1,323)  | 93,460 (+2,565)   |
+| 2025-07-08 | 38,052 (+4,286)  | 64,468 (+4,774)  | 102,520 (+9,060)  |
+| 2025-07-10 | 43,796 (+5,744)  | 71,402 (+6,934)  | 115,198 (+12,678) |
+| 2025-07-11 | 46,982 (+3,186)  | 77,462 (+6,060)  | 124,444 (+9,246)  |
+| 2025-07-12 | 49,302 (+2,320)  | 82,177 (+4,715)  | 131,479 (+7,035)  |
+| 2025-07-13 | 50,803 (+1,501)  | 86,394 (+4,217)  | 137,197 (+5,718)  |
+| 2025-07-14 | 53,283 (+2,480)  | 87,860 (+1,466)  | 141,143 (+3,946)  |
+| 2025-07-15 | 57,590 (+4,307)  | 91,036 (+3,176)  | 148,626 (+7,483)  |
+| 2025-07-16 | 62,313 (+4,723)  | 95,258 (+4,222)  | 157,571 (+8,945)  |
+| 2025-07-17 | 66,684 (+4,371)  | 100,048 (+4,790) | 166,732 (+9,161)  |
+| 2025-07-18 | 70,379 (+3,695)  | 102,587 (+2,539) | 172,966 (+6,234)  |
+| 2025-07-18 | 70,380 (+1)      | 102,587 (+0)     | 172,967 (+1)      |
+| 2025-07-19 | 73,497 (+3,117)  | 105,904 (+3,317) | 179,401 (+6,434)  |
+| 2025-07-20 | 76,453 (+2,956)  | 109,044 (+3,140) | 185,497 (+6,096)  |

infra/app.ts

@@ -4,13 +4,18 @@ export const domain = (() => {
   return `${$app.stage}.dev.opencode.ai`
 })()
 
+const GITHUB_APP_ID = new sst.Secret("GITHUB_APP_ID")
+const GITHUB_APP_PRIVATE_KEY = new sst.Secret("GITHUB_APP_PRIVATE_KEY")
 const bucket = new sst.cloudflare.Bucket("Bucket")
 
 export const api = new sst.cloudflare.Worker("Api", {
   domain: `api.${domain}`,
   handler: "packages/function/src/api.ts",
+  environment: {
+    WEB_DOMAIN: domain,
+  },
   url: true,
-  link: [bucket],
+  link: [bucket, GITHUB_APP_ID, GITHUB_APP_PRIVATE_KEY],
   transform: {
     worker: (args) => {
       args.logpush = true
@@ -23,22 +28,21 @@ export const api = new sst.cloudflare.Worker("Api", {
         },
       ])
       args.migrations = {
-        oldTag: "v1",
-        newTag: "v1",
+        // Note: when releasing the next tag, make sure all stages use tag v2
+        oldTag: $app.stage === "production" ? "" : "v1",
+        newTag: $app.stage === "production" ? "" : "v1",
         //newSqliteClasses: ["SyncServer"],
       }
     },
   },
 })
 
-new sst.cloudflare.StaticSite("Web", {
-  path: "packages/web",
+new sst.cloudflare.x.Astro("Web", {
   domain,
+  path: "packages/web",
   environment: {
+    // For astro config
+    SST_STAGE: $app.stage,
     VITE_API_URL: api.url,
   },
-  build: {
-    command: "bun run build",
-    output: "dist",
-  },
 })

install

@@ -12,23 +12,28 @@ requested_version=${VERSION:-}
 
 os=$(uname -s | tr '[:upper:]' '[:lower:]')
 if [[ "$os" == "darwin" ]]; then
-    os="mac"
+    os="darwin"
 fi
 arch=$(uname -m)
 
 if [[ "$arch" == "aarch64" ]]; then
   arch="arm64"
+elif [[ "$arch" == "x86_64" ]]; then
+  arch="x64"
 fi
 
-filename="$APP-$os-$arch.tar.gz"
+filename="$APP-$os-$arch.zip"
 
 
 case "$filename" in
     *"-linux-"*)
-        [[ "$arch" == "x86_64" || "$arch" == "arm64" || "$arch" == "i386" ]] || exit 1
+        [[ "$arch" == "x64" || "$arch" == "arm64" ]] || exit 1
     ;;
-    *"-mac-"*)
-        [[ "$arch" == "x86_64" || "$arch" == "arm64" ]] || exit 1
+    *"-darwin-"*)
+        [[ "$arch" == "x64" || "$arch" == "arm64" ]] || exit 1
+    ;;
+    *"-windows-"*)
+        [[ "$arch" == "x64" ]] || exit 1
     ;;
     *)
         echo "${RED}Unsupported OS/Arch: $os/$arch${NC}"
@@ -43,7 +48,7 @@ if [ -z "$requested_version" ]; then
     url="https://github.com/sst/opencode/releases/latest/download/$filename"
     specific_version=$(curl -s https://api.github.com/repos/sst/opencode/releases/latest | awk -F'"' '/"tag_name": "/ {gsub(/^v/, "", $4); print $4}')
 
-    if [[ $? -ne 0 ]]; then
+    if [[ $? -ne 0 || -z "$specific_version" ]]; then
         echo "${RED}Failed to fetch version information${NC}"
         exit 1
     fi
@@ -88,8 +93,9 @@ check_version() {
 download_and_install() {
     print_message info "Downloading ${ORANGE}opencode ${GREEN}version: ${YELLOW}$specific_version ${GREEN}..."
     mkdir -p opencodetmp && cd opencodetmp
-    curl -# -L $url | tar xz
-    mv opencode $INSTALL_DIR
+    curl -# -L -o "$filename" "$url"
+    unzip -q "$filename"
+    mv opencode "$INSTALL_DIR"
     cd .. && rm -rf opencodetmp 
 }
 
@@ -101,7 +107,9 @@ add_to_path() {
     local config_file=$1
     local command=$2
 
-    if [[ -w $config_file ]]; then
+    if grep -Fxq "$command" "$config_file"; then
+        print_message info "Command already exists in $config_file, skipping write."
+    elif [[ -w $config_file ]]; then
         echo -e "\n# opencode" >> "$config_file"
         echo "$command" >> "$config_file"
         print_message info "Successfully added ${ORANGE}opencode ${GREEN}to \$PATH in $config_file"
@@ -167,6 +175,7 @@ if [[ ":$PATH:" != *":$INSTALL_DIR:"* ]]; then
             add_to_path "$config_file" "export PATH=$INSTALL_DIR:\$PATH"
         ;;
         *)
+            export PATH=$INSTALL_DIR:$PATH
             print_message warning "Manually add the directory to $config_file (or similar):"
             print_message info "  export PATH=$INSTALL_DIR:\$PATH"
         ;;
@@ -177,4 +186,3 @@ if [ -n "${GITHUB_ACTIONS-}" ] && [ "${GITHUB_ACTIONS}" == "true" ]; then
     echo "$INSTALL_DIR" >> $GITHUB_PATH
     print_message info "Added $INSTALL_DIR to \$GITHUB_PATH"
 fi
-

opencode.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "https://opencode.ai/config.json",
+  "provider": {
+    "openrouter": {
+      "models": {
+        "moonshotai/kimi-k2": {
+          "options": {
+            "provider": {
+              "order": ["baseten"],
+              "allow_fallbacks": false
+            }
+          }
+        }
+      }
+    }
+  },
+  "mcp": {
+    "weather": {
+      "type": "local",
+      "command": ["opencode", "x", "@h1deya/mcp-server-weather"]
+    }
+  }
+}

package.json

@@ -5,7 +5,10 @@
   "type": "module",
   "packageManager": "bun@1.2.14",
   "scripts": {
-    "dev": "sst dev"
+    "dev": "bun run packages/opencode/src/index.ts",
+    "typecheck": "bun run --filter='*' typecheck",
+    "stainless": "./scripts/stainless",
+    "postinstall": "./scripts/hooks"
   },
   "workspaces": {
     "packages": [
@@ -14,13 +17,13 @@
     "catalog": {
       "typescript": "5.8.2",
       "@types/node": "22.13.9",
-      "zod": "3.24.2",
-      "ai": "5.0.0-alpha.7"
+      "zod": "3.25.49",
+      "ai": "5.0.0-beta.21"
     }
   },
   "devDependencies": {
     "prettier": "3.5.3",
-    "sst": "3.16.0"
+    "sst": "3.17.8"
   },
   "repository": {
     "type": "git",
@@ -28,14 +31,13 @@
   },
   "license": "MIT",
   "prettier": {
-    "semi": false
-  },
-  "overrides": {
-    "zod": "3.24.2"
+    "semi": false,
+    "printWidth": 120
   },
   "trustedDependencies": [
     "esbuild",
     "protobufjs",
     "sharp"
-  ]
+  ],
+  "patchedDependencies": {}
 }

packages/function/package.json

@@ -8,5 +8,10 @@
     "@cloudflare/workers-types": "4.20250522.0",
     "typescript": "catalog:",
     "@types/node": "catalog:"
+  },
+  "dependencies": {
+    "@octokit/auth-app": "8.0.1",
+    "@octokit/rest": "22.0.0",
+    "jose": "6.0.11"
   }
 }

packages/function/src/api.ts

@@ -1,9 +1,14 @@
 import { DurableObject } from "cloudflare:workers"
 import { randomUUID } from "node:crypto"
+import { jwtVerify, createRemoteJWKSet } from "jose"
+import { createAppAuth } from "@octokit/auth-app"
+import { Octokit } from "@octokit/rest"
+import { Resource } from "sst"
 
 type Env = {
   SYNC_SERVER: DurableObjectNamespace<SyncServer>
   Bucket: R2Bucket
+  WEB_DOMAIN: string
 }
 
 export class SyncServer extends DurableObject<Env> {
@@ -19,9 +24,9 @@ export class SyncServer extends DurableObject<Env> {
     this.ctx.acceptWebSocket(server)
 
     const data = await this.ctx.storage.list()
-    for (const [key, content] of data.entries()) {
-      server.send(JSON.stringify({ key, content }))
-    }
+    Array.from(data.entries())
+      .filter(([key, _]) => key.startsWith("session/"))
+      .map(([key, content]) => server.send(JSON.stringify({ key, content })))
 
     return new Response(null, {
       status: 101,
@@ -35,12 +40,12 @@ export class SyncServer extends DurableObject<Env> {
     ws.close(code, "Durable Object is closing WebSocket")
   }
 
-  async publish(secret: string, key: string, content: any) {
-    if (secret !== (await this.getSecret())) throw new Error("Invalid secret")
+  async publish(key: string, content: any) {
     const sessionID = await this.getSessionID()
     if (
       !key.startsWith(`session/info/${sessionID}`) &&
-      !key.startsWith(`session/message/${sessionID}/`)
+      !key.startsWith(`session/message/${sessionID}/`) &&
+      !key.startsWith(`session/part/${sessionID}/`)
     )
       return new Response("Error: Invalid key", { status: 400 })
 
@@ -69,6 +74,17 @@ export class SyncServer extends DurableObject<Env> {
     return secret
   }
 
+  public async getData() {
+    const data = (await this.ctx.storage.list()) as Map<string, any>
+    return Array.from(data.entries())
+      .filter(([key, _]) => key.startsWith("session/"))
+      .map(([key, content]) => ({ key, content }))
+  }
+
+  public async assertSecret(secret: string) {
+    if (secret !== (await this.getSecret())) throw new Error("Invalid secret")
+  }
+
   private async getSecret() {
     return this.ctx.storage.get<string>("secret")
   }
@@ -77,22 +93,26 @@ export class SyncServer extends DurableObject<Env> {
     return this.ctx.storage.get<string>("sessionID")
   }
 
-  async clear(secret: string) {
-    await this.assertSecret(secret)
+  async clear() {
+    const sessionID = await this.getSessionID()
+    const list = await this.env.Bucket.list({
+      prefix: `session/message/${sessionID}/`,
+      limit: 1000,
+    })
+    for (const item of list.objects) {
+      await this.env.Bucket.delete(item.key)
+    }
+    await this.env.Bucket.delete(`session/info/${sessionID}`)
     await this.ctx.storage.deleteAll()
   }
 
-  private async assertSecret(secret: string) {
-    if (secret !== (await this.getSecret())) throw new Error("Invalid secret")
-  }
-
   static shortName(id: string) {
     return id.substring(id.length - 8)
   }
 }
 
 export default {
-  async fetch(request: Request, env: Env, ctx: ExecutionContext) {
+  async fetch(request: Request, env: Env, ctx: ExecutionContext): Promise<Response> {
     const url = new URL(request.url)
     const splits = url.pathname.split("/")
     const method = splits[1]
@@ -113,7 +133,7 @@ export default {
       return new Response(
         JSON.stringify({
           secret,
-          url: "https://dev.opencode.ai/s?id=" + short,
+          url: `https://${env.WEB_DOMAIN}/s/${short}`,
         }),
         {
           headers: { "Content-Type": "application/json" },
@@ -127,7 +147,17 @@ export default {
       const secret = body.secret
       const id = env.SYNC_SERVER.idFromName(SyncServer.shortName(sessionID))
       const stub = env.SYNC_SERVER.get(id)
-      await stub.clear(secret)
+      await stub.assertSecret(secret)
+      await stub.clear()
+      return new Response(JSON.stringify({}), {
+        headers: { "Content-Type": "application/json" },
+      })
+    }
+
+    if (request.method === "POST" && method === "share_delete_admin") {
+      const id = env.SYNC_SERVER.idFromName("oVF8Rsiv")
+      const stub = env.SYNC_SERVER.get(id)
+      await stub.clear()
       return new Response(JSON.stringify({}), {
         headers: { "Content-Type": "application/json" },
       })
@@ -143,7 +173,8 @@ export default {
       const name = SyncServer.shortName(body.sessionID)
       const id = env.SYNC_SERVER.idFromName(name)
       const stub = env.SYNC_SERVER.get(id)
-      await stub.publish(body.secret, body.key, body.content)
+      await stub.assertSecret(body.secret)
+      await stub.publish(body.key, body.content)
       return new Response(JSON.stringify({}), {
         headers: { "Content-Type": "application/json" },
       })
@@ -158,10 +189,137 @@ export default {
       }
       const id = url.searchParams.get("id")
       console.log("share_poll", id)
-      if (!id)
-        return new Response("Error: Share ID is required", { status: 400 })
+      if (!id) return new Response("Error: Share ID is required", { status: 400 })
       const stub = env.SYNC_SERVER.get(env.SYNC_SERVER.idFromName(id))
       return stub.fetch(request)
     }
+
+    if (request.method === "GET" && method === "share_data") {
+      const id = url.searchParams.get("id")
+      console.log("share_data", id)
+      if (!id) return new Response("Error: Share ID is required", { status: 400 })
+      const stub = env.SYNC_SERVER.get(env.SYNC_SERVER.idFromName(id))
+      const data = await stub.getData()
+
+      let info
+      const messages: Record<string, any> = {}
+      data.forEach((d) => {
+        const [root, type, ...splits] = d.key.split("/")
+        if (root !== "session") return
+        if (type === "info") {
+          info = d.content
+          return
+        }
+        if (type === "message") {
+          messages[d.content.id] = {
+            parts: [],
+            ...d.content,
+          }
+        }
+        if (type === "part") {
+          messages[d.content.messageID].parts.push(d.content)
+        }
+      })
+
+      return new Response(
+        JSON.stringify({
+          info,
+          messages,
+        }),
+        {
+          headers: { "Content-Type": "application/json" },
+        },
+      )
+    }
+
+    /**
+     * Used by the GitHub action to get GitHub installation access token given the OIDC token
+     */
+    if (request.method === "POST" && method === "exchange_github_app_token") {
+      const EXPECTED_AUDIENCE = "opencode-github-action"
+      const GITHUB_ISSUER = "https://token.actions.githubusercontent.com"
+      const JWKS_URL = `${GITHUB_ISSUER}/.well-known/jwks`
+
+      // get Authorization header
+      const authHeader = request.headers.get("Authorization")
+      const token = authHeader?.replace(/^Bearer /, "")
+      if (!token)
+        return new Response(JSON.stringify({ error: "Authorization header is required" }), {
+          status: 401,
+          headers: { "Content-Type": "application/json" },
+        })
+
+      // verify token
+      const JWKS = createRemoteJWKSet(new URL(JWKS_URL))
+      let owner, repo
+      try {
+        const { payload } = await jwtVerify(token, JWKS, {
+          issuer: GITHUB_ISSUER,
+          audience: EXPECTED_AUDIENCE,
+        })
+        const sub = payload.sub // e.g. 'repo:my-org/my-repo:ref:refs/heads/main'
+        const parts = sub.split(":")[1].split("/")
+        owner = parts[0]
+        repo = parts[1]
+      } catch (err) {
+        console.error("Token verification failed:", err)
+        return new Response(JSON.stringify({ error: "Invalid or expired token" }), {
+          status: 403,
+          headers: { "Content-Type": "application/json" },
+        })
+      }
+
+      // Create app JWT token
+      const auth = createAppAuth({
+        appId: Resource.GITHUB_APP_ID.value,
+        privateKey: Resource.GITHUB_APP_PRIVATE_KEY.value,
+      })
+      const appAuth = await auth({ type: "app" })
+
+      // Lookup installation
+      const octokit = new Octokit({ auth: appAuth.token })
+      const { data: installation } = await octokit.apps.getRepoInstallation({ owner, repo })
+
+      // Get installation token
+      const installationAuth = await auth({ type: "installation", installationId: installation.id })
+
+      return new Response(JSON.stringify({ token: installationAuth.token }), {
+        headers: { "Content-Type": "application/json" },
+      })
+    }
+
+    /**
+     * Used by the opencode CLI to check if the GitHub app is installed
+     */
+    if (request.method === "GET" && method === "get_github_app_installation") {
+      const owner = url.searchParams.get("owner")
+      const repo = url.searchParams.get("repo")
+
+      const auth = createAppAuth({
+        appId: Resource.GITHUB_APP_ID.value,
+        privateKey: Resource.GITHUB_APP_PRIVATE_KEY.value,
+      })
+      const appAuth = await auth({ type: "app" })
+
+      // Lookup installation
+      const octokit = new Octokit({ auth: appAuth.token })
+      let installation
+      try {
+        const ret = await octokit.apps.getRepoInstallation({ owner, repo })
+        installation = ret.data
+      } catch (err) {
+        if (err instanceof Error && err.message.includes("Not Found")) {
+          // not installed
+        } else {
+          throw err
+        }
+      }
+
+      return new Response(JSON.stringify({ installation }), {
+        headers: { "Content-Type": "application/json" },
+      })
+    }
+
+    return new Response("Not Found", { status: 404 })
   },
 }

packages/function/sst-env.d.ts

@@ -6,8 +6,16 @@
 import "sst"
 declare module "sst" {
   export interface Resource {
+    "GITHUB_APP_ID": {
+      "type": "sst.sst.Secret"
+      "value": string
+    }
+    "GITHUB_APP_PRIVATE_KEY": {
+      "type": "sst.sst.Secret"
+      "value": string
+    }
     "Web": {
-      "type": "sst.cloudflare.StaticSite"
+      "type": "sst.cloudflare.Astro"
       "url": string
     }
   }

packages/opencode/.gitignore

@@ -1,4 +1,4 @@
-node_modules
+research
 dist
 gen
 app.log

packages/opencode/AGENTS.md

@@ -0,0 +1,40 @@
+# opencode agent guidelines
+
+## Build/Test Commands
+
+- **Install**: `bun install`
+- **Run**: `bun run index.ts`
+- **Typecheck**: `bun run typecheck` (npm run typecheck)
+- **Test**: `bun test` (runs all tests)
+- **Single test**: `bun test test/tool/tool.test.ts` (specific test file)
+
+## Code Style
+
+- **Runtime**: Bun with TypeScript ESM modules
+- **Imports**: Use relative imports for local modules, named imports preferred
+- **Types**: Zod schemas for validation, TypeScript interfaces for structure
+- **Naming**: camelCase for variables/functions, PascalCase for classes/namespaces
+- **Error handling**: Use Result patterns, avoid throwing exceptions in tools
+- **File structure**: Namespace-based organization (e.g., `Tool.define()`, `Session.create()`)
+
+## IMPORTANT
+
+- Try to keep things in one function unless composable or reusable
+- DO NOT do unnecessary destructuring of variables
+- DO NOT use `else` statements unless necessary
+- DO NOT use `try`/`catch` if it can be avoided
+- AVOID `try`/`catch` where possible
+- AVOID `else` statements
+- AVOID using `any` type
+- AVOID `let` statements
+- PREFER single word variable names where possible
+- Use as many bun apis as possible like Bun.file()
+
+## Architecture
+
+- **Tools**: Implement `Tool.Info` interface with `execute()` method
+- **Context**: Pass `sessionID` in tool context, use `App.provide()` for DI
+- **Validation**: All inputs validated with Zod schemas
+- **Logging**: Use `Log.create({ service: "name" })` pattern
+- **Storage**: Use `Storage` namespace for persistence
+- **API Client**: Go TUI communicates with TypeScript server via stainless SDK. When adding/modifying server endpoints in `packages/opencode/src/server/server.ts`, ask the user to generate a new client SDK to proceed with client-side changes.

packages/opencode/bin/opencode

@@ -49,7 +49,7 @@ else
     done
     
     if [ -z "$resolved" ]; then
-        printf "It seems that your package manager failed to install the right version of the SST CLI for your platform. You can try manually installing the \"%s\" package\n" "$name" >&2
+        printf "It seems that your package manager failed to install the right version of the opencode CLI for your platform. You can try manually installing the \"%s\" package\n" "$name" >&2
         exit 1
     fi
 fi

packages/opencode/bin/opencode.cmd

@@ -0,0 +1,56 @@
+@echo off
+setlocal enabledelayedexpansion
+
+if defined OPENCODE_BIN_PATH (
+    set "resolved=%OPENCODE_BIN_PATH%"
+    goto :execute
+)
+
+rem Get the directory of this script
+set "script_dir=%~dp0"
+set "script_dir=%script_dir:~0,-1%"
+
+rem Detect platform and architecture
+set "platform=win32"
+
+rem Detect architecture
+if "%PROCESSOR_ARCHITECTURE%"=="AMD64" (
+    set "arch=x64"
+) else if "%PROCESSOR_ARCHITECTURE%"=="ARM64" (
+    set "arch=arm64"
+) else if "%PROCESSOR_ARCHITECTURE%"=="x86" (
+    set "arch=x86"
+) else (
+    set "arch=x64"
+)
+
+set "name=opencode-!platform!-!arch!"
+set "binary=opencode.exe"
+
+rem Search for the binary starting from script location
+set "resolved="
+set "current_dir=%script_dir%"
+
+:search_loop
+set "candidate=%current_dir%\node_modules\%name%\bin\%binary%"
+if exist "%candidate%" (
+    set "resolved=%candidate%"
+    goto :execute
+)
+
+rem Move up one directory
+for %%i in ("%current_dir%") do set "parent_dir=%%~dpi"
+set "parent_dir=%parent_dir:~0,-1%"
+
+rem Check if we've reached the root
+if "%current_dir%"=="%parent_dir%" goto :not_found
+set "current_dir=%parent_dir%"
+goto :search_loop
+
+:not_found
+echo It seems that your package manager failed to install the right version of the opencode CLI for your platform. You can try manually installing the "%name%" package >&2
+exit /b 1
+
+:execute
+rem Execute the binary with all arguments
+"%resolved%" %*

packages/opencode/package.json

@@ -1,40 +1,49 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
-  "version": "0.0.0",
+  "version": "0.0.5",
   "name": "opencode",
   "type": "module",
   "private": true,
-  "scripts": {},
+  "scripts": {
+    "typecheck": "tsc --noEmit",
+    "dev": "bun run ./src/index.ts"
+  },
+  "bin": {
+    "opencode": "./bin/opencode"
+  },
   "exports": {
-    "./*": [
-      "./src/*.ts",
-      "./src/*/index.ts"
-    ]
+    "./*": "./src/*.ts"
   },
   "devDependencies": {
+    "@ai-sdk/amazon-bedrock": "2.2.10",
+    "@ai-sdk/anthropic": "1.2.12",
+    "@standard-schema/spec": "1.0.0",
     "@tsconfig/bun": "1.0.7",
     "@types/bun": "latest",
     "@types/turndown": "5.0.5",
-    "typescript": "catalog:"
+    "@types/yargs": "17.0.33",
+    "typescript": "catalog:",
+    "vscode-languageserver-types": "3.17.5",
+    "zod-to-json-schema": "3.24.5"
   },
   "dependencies": {
-    "@flystorage/file-storage": "1.1.0",
-    "@flystorage/local-fs": "1.1.0",
-    "@hono/zod-validator": "0.5.0",
-    "@standard-schema/spec": "1.0.0",
+    "@clack/prompts": "0.11.0",
+    "@hono/zod-validator": "0.4.2",
+    "@modelcontextprotocol/sdk": "1.15.1",
+    "@openauthjs/openauth": "0.4.3",
     "ai": "catalog:",
-    "cac": "6.7.14",
     "decimal.js": "10.5.0",
     "diff": "8.0.2",
-    "env-paths": "3.0.0",
     "hono": "4.7.10",
     "hono-openapi": "0.4.8",
+    "isomorphic-git": "1.32.1",
+    "open": "10.1.2",
     "remeda": "2.22.3",
-    "ts-lsp-client": "1.0.3",
     "turndown": "7.2.0",
     "vscode-jsonrpc": "8.2.1",
-    "vscode-languageclient": "8",
+    "xdg-basedir": "5.1.0",
+    "yargs": "18.0.0",
     "zod": "catalog:",
-    "zod-openapi": "4.2.4"
+    "zod-openapi": "4.1.0"
   }
 }

packages/opencode/script/postinstall.mjs

@@ -0,0 +1,90 @@
+#!/usr/bin/env node
+
+import fs from "fs"
+import path from "path"
+import os from "os"
+import { fileURLToPath } from "url"
+import { createRequire } from "module"
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
+const require = createRequire(import.meta.url)
+
+function detectPlatformAndArch() {
+  // Map platform names
+  let platform
+  switch (os.platform()) {
+    case "darwin":
+      platform = "darwin"
+      break
+    case "linux":
+      platform = "linux"
+      break
+    case "win32":
+      platform = "win32"
+      break
+    default:
+      platform = os.platform()
+      break
+  }
+
+  // Map architecture names
+  let arch
+  switch (os.arch()) {
+    case "x64":
+      arch = "x64"
+      break
+    case "arm64":
+      arch = "arm64"
+      break
+    case "arm":
+      arch = "arm"
+      break
+    default:
+      arch = os.arch()
+      break
+  }
+
+  return { platform, arch }
+}
+
+function findBinary() {
+  const { platform, arch } = detectPlatformAndArch()
+  const packageName = `opencode-${platform}-${arch}`
+  const binary = platform === "win32" ? "opencode.exe" : "opencode"
+
+  try {
+    // Use require.resolve to find the package
+    const packageJsonPath = require.resolve(`${packageName}/package.json`)
+    const packageDir = path.dirname(packageJsonPath)
+    const binaryPath = path.join(packageDir, "bin", binary)
+
+    if (!fs.existsSync(binaryPath)) {
+      throw new Error(`Binary not found at ${binaryPath}`)
+    }
+
+    return binaryPath
+  } catch (error) {
+    throw new Error(`Could not find package ${packageName}: ${error.message}`)
+  }
+}
+
+function main() {
+  try {
+    const binaryPath = findBinary()
+    const binScript = path.join(__dirname, "bin", "opencode")
+
+    // Remove existing bin script if it exists
+    if (fs.existsSync(binScript)) {
+      fs.unlinkSync(binScript)
+    }
+
+    // Create symlink to the actual binary
+    fs.symlinkSync(binaryPath, binScript)
+    console.log(`opencode binary symlinked: ${binScript} -> ${binaryPath}`)
+  } catch (error) {
+    console.error("Failed to create opencode binary symlink:", error.message)
+    process.exit(1)
+  }
+}
+
+main()

packages/opencode/script/publish.ts

@@ -0,0 +1,221 @@
+#!/usr/bin/env bun
+
+import { $ } from "bun"
+
+import pkg from "../package.json"
+
+const dry = process.argv.includes("--dry")
+const snapshot = process.argv.includes("--snapshot")
+
+const version = snapshot
+  ? `0.0.0-${new Date().toISOString().slice(0, 16).replace(/[-:T]/g, "")}`
+  : await $`git describe --tags --abbrev=0`
+      .text()
+      .then((x) => x.substring(1).trim())
+      .catch(() => {
+        console.error("tag not found")
+        process.exit(1)
+      })
+
+console.log(`publishing ${version}`)
+
+const GOARCH: Record<string, string> = {
+  arm64: "arm64",
+  x64: "amd64",
+}
+
+const targets = [
+  ["linux", "arm64"],
+  ["linux", "x64"],
+  ["darwin", "x64"],
+  ["darwin", "arm64"],
+  ["windows", "x64"],
+]
+
+await $`rm -rf dist`
+
+const optionalDependencies: Record<string, string> = {}
+const npmTag = snapshot ? "snapshot" : "latest"
+for (const [os, arch] of targets) {
+  console.log(`building ${os}-${arch}`)
+  const name = `${pkg.name}-${os}-${arch}`
+  await $`mkdir -p dist/${name}/bin`
+  await $`CGO_ENABLED=0 GOOS=${os} GOARCH=${GOARCH[arch]} go build -ldflags="-s -w -X main.Version=${version}" -o ../opencode/dist/${name}/bin/tui ../tui/cmd/opencode/main.go`.cwd(
+    "../tui",
+  )
+  await $`bun build --define OPENCODE_VERSION="'${version}'" --compile --minify --target=bun-${os}-${arch} --outfile=dist/${name}/bin/opencode ./src/index.ts ./dist/${name}/bin/tui`
+  await $`rm -rf ./dist/${name}/bin/tui`
+  await Bun.file(`dist/${name}/package.json`).write(
+    JSON.stringify(
+      {
+        name,
+        version,
+        os: [os === "windows" ? "win32" : os],
+        cpu: [arch],
+      },
+      null,
+      2,
+    ),
+  )
+  if (!dry) await $`cd dist/${name} && bun publish --access public --tag ${npmTag}`
+  optionalDependencies[name] = version
+}
+
+await $`mkdir -p ./dist/${pkg.name}`
+await $`cp -r ./bin ./dist/${pkg.name}/bin`
+await $`cp ./script/postinstall.mjs ./dist/${pkg.name}/postinstall.mjs`
+await Bun.file(`./dist/${pkg.name}/package.json`).write(
+  JSON.stringify(
+    {
+      name: pkg.name + "-ai",
+      bin: {
+        [pkg.name]: `./bin/${pkg.name}`,
+      },
+      scripts: {
+        postinstall: "node ./postinstall.mjs",
+      },
+      version,
+      optionalDependencies,
+    },
+    null,
+    2,
+  ),
+)
+if (!dry) await $`cd ./dist/${pkg.name} && bun publish --access public --tag ${npmTag}`
+
+if (!snapshot) {
+  // Github Release
+  for (const key of Object.keys(optionalDependencies)) {
+    await $`cd dist/${key}/bin && zip -r ../../${key}.zip *`
+  }
+
+  const previous = await fetch("https://api.github.com/repos/sst/opencode/releases/latest")
+    .then((res) => res.json())
+    .then((data) => data.tag_name)
+
+  const commits = await fetch(`https://api.github.com/repos/sst/opencode/compare/${previous}...HEAD`)
+    .then((res) => res.json())
+    .then((data) => data.commits || [])
+
+  const notes =
+    commits
+      .map((commit: any) => `- ${commit.commit.message.split("\n")[0]}`)
+      .filter((x: string) => {
+        const lower = x.toLowerCase()
+        return (
+          !lower.includes("ignore:") &&
+          !lower.includes("chore:") &&
+          !lower.includes("ci:") &&
+          !lower.includes("wip:") &&
+          !lower.includes("docs:") &&
+          !lower.includes("doc:")
+        )
+      })
+      .join("\n") || "No notable changes"
+
+  if (!dry) await $`gh release create v${version} --title "v${version}" --notes ${notes} ./dist/*.zip`
+
+  // Calculate SHA values
+  const arm64Sha = await $`sha256sum ./dist/opencode-linux-arm64.zip | cut -d' ' -f1`.text().then((x) => x.trim())
+  const x64Sha = await $`sha256sum ./dist/opencode-linux-x64.zip | cut -d' ' -f1`.text().then((x) => x.trim())
+  const macX64Sha = await $`sha256sum ./dist/opencode-darwin-x64.zip | cut -d' ' -f1`.text().then((x) => x.trim())
+  const macArm64Sha = await $`sha256sum ./dist/opencode-darwin-arm64.zip | cut -d' ' -f1`.text().then((x) => x.trim())
+
+  // AUR package
+  const pkgbuild = [
+    "# Maintainer: dax",
+    "# Maintainer: adam",
+    "",
+    "pkgname='${pkg}'",
+    `pkgver=${version.split("-")[0]}`,
+    "options=('!debug' '!strip')",
+    "pkgrel=1",
+    "pkgdesc='The AI coding agent built for the terminal.'",
+    "url='https://github.com/sst/opencode'",
+    "arch=('aarch64' 'x86_64')",
+    "license=('MIT')",
+    "provides=('opencode')",
+    "conflicts=('opencode')",
+    "depends=('fzf' 'ripgrep')",
+    "",
+    `source_aarch64=("\${pkgname}_\${pkgver}_aarch64.zip::https://github.com/sst/opencode/releases/download/v${version}/opencode-linux-arm64.zip")`,
+    `sha256sums_aarch64=('${arm64Sha}')`,
+    "",
+    `source_x86_64=("\${pkgname}_\${pkgver}_x86_64.zip::https://github.com/sst/opencode/releases/download/v${version}/opencode-linux-x64.zip")`,
+    `sha256sums_x86_64=('${x64Sha}')`,
+    "",
+    "package() {",
+    '  install -Dm755 ./opencode "${pkgdir}/usr/bin/opencode"',
+    "}",
+    "",
+  ].join("\n")
+
+  for (const pkg of ["opencode", "opencode-bin"]) {
+    await $`rm -rf ./dist/aur-${pkg}`
+    await $`git clone ssh://aur@aur.archlinux.org/${pkg}.git ./dist/aur-${pkg}`
+    await $`cd ./dist/aur-${pkg} && git checkout master`
+    await Bun.file(`./dist/aur-${pkg}/PKGBUILD`).write(pkgbuild.replace("${pkg}", pkg))
+    await $`cd ./dist/aur-${pkg} && makepkg --printsrcinfo > .SRCINFO`
+    await $`cd ./dist/aur-${pkg} && git add PKGBUILD .SRCINFO`
+    await $`cd ./dist/aur-${pkg} && git commit -m "Update to v${version}"`
+    if (!dry) await $`cd ./dist/aur-${pkg} && git push`
+  }
+
+  // Homebrew formula
+  const homebrewFormula = [
+    "# typed: false",
+    "# frozen_string_literal: true",
+    "",
+    "# This file was generated by GoReleaser. DO NOT EDIT.",
+    "class Opencode < Formula",
+    `  desc "The AI coding agent built for the terminal."`,
+    `  homepage "https://github.com/sst/opencode"`,
+    `  version "${version.split("-")[0]}"`,
+    "",
+    "  on_macos do",
+    "    if Hardware::CPU.intel?",
+    `      url "https://github.com/sst/opencode/releases/download/v${version}/opencode-darwin-x64.zip"`,
+    `      sha256 "${macX64Sha}"`,
+    "",
+    "      def install",
+    '        bin.install "opencode"',
+    "      end",
+    "    end",
+    "    if Hardware::CPU.arm?",
+    `      url "https://github.com/sst/opencode/releases/download/v${version}/opencode-darwin-arm64.zip"`,
+    `      sha256 "${macArm64Sha}"`,
+    "",
+    "      def install",
+    '        bin.install "opencode"',
+    "      end",
+    "    end",
+    "  end",
+    "",
+    "  on_linux do",
+    "    if Hardware::CPU.intel? and Hardware::CPU.is_64_bit?",
+    `      url "https://github.com/sst/opencode/releases/download/v${version}/opencode-linux-x64.zip"`,
+    `      sha256 "${x64Sha}"`,
+    "      def install",
+    '        bin.install "opencode"',
+    "      end",
+    "    end",
+    "    if Hardware::CPU.arm? and Hardware::CPU.is_64_bit?",
+    `      url "https://github.com/sst/opencode/releases/download/v${version}/opencode-linux-arm64.zip"`,
+    `      sha256 "${arm64Sha}"`,
+    "      def install",
+    '        bin.install "opencode"',
+    "      end",
+    "    end",
+    "  end",
+    "end",
+    "",
+    "",
+  ].join("\n")
+
+  await $`rm -rf ./dist/homebrew-tap`
+  await $`git clone https://${process.env["GITHUB_TOKEN"]}@github.com/sst/homebrew-tap.git ./dist/homebrew-tap`
+  await Bun.file("./dist/homebrew-tap/opencode.rb").write(homebrewFormula)
+  await $`cd ./dist/homebrew-tap && git add opencode.rb`
+  await $`cd ./dist/homebrew-tap && git commit -m "Update to v${version}"`
+  if (!dry) await $`cd ./dist/homebrew-tap && git push`
+}

packages/opencode/script/release.ts

@@ -1,69 +0,0 @@
-#!/usr/bin/env bun
-
-import { $ } from "bun"
-
-import pkg from "../package.json"
-
-const dry = process.argv.includes("--dry")
-
-const version = `0.0.0-${Date.now()}`
-
-const GOARCH: Record<string, string> = {
-  arm64: "arm64",
-  x64: "amd64",
-}
-
-const targets = [
-  ["linux", "arm64"],
-  ["linux", "x64"],
-  ["darwin", "x64"],
-  ["darwin", "arm64"],
-  ["windows", "x64"],
-]
-
-await $`rm -rf dist`
-
-const optionalDependencies: Record<string, string> = {}
-for (const [os, arch] of targets) {
-  console.log(`building ${os}-${arch}`)
-  const name = `${pkg.name}-${os}-${arch}`
-  await $`mkdir -p dist/${name}/bin`
-  await $`GOOS=${os} GOARCH=${GOARCH[arch]} go build -ldflags="-s -w -X github.com/sst/opencode/internal/version.Version=${version}" -o ../opencode/dist/${name}/bin/tui ../tui/main.go`.cwd(
-    "../tui",
-  )
-  await $`bun build --define OPENCODE_VERSION="'${version}'" --compile --minify --target=bun-${os}-${arch} --outfile=dist/${name}/bin/opencode ./src/index.ts ./dist/${name}/bin/tui`
-  await $`rm -rf ./dist/${name}/bin/tui`
-  await Bun.file(`dist/${name}/package.json`).write(
-    JSON.stringify(
-      {
-        name,
-        version,
-        os: [os === "windows" ? "win32" : os],
-        cpu: [arch],
-      },
-      null,
-      2,
-    ),
-  )
-  if (!dry) await $`cd dist/${name} && npm publish --access public --tag latest`
-  optionalDependencies[name] = version
-}
-
-await $`mkdir -p ./dist/${pkg.name}`
-await $`cp -r ./bin ./dist/${pkg.name}/bin`
-await Bun.file(`./dist/${pkg.name}/package.json`).write(
-  JSON.stringify(
-    {
-      name: pkg.name + "-ai",
-      bin: {
-        [pkg.name]: `./bin/${pkg.name}`,
-      },
-      version,
-      optionalDependencies,
-    },
-    null,
-    2,
-  ),
-)
-if (!dry)
-  await $`cd ./dist/${pkg.name} && npm publish --access public --tag latest`

packages/opencode/script/schema.ts

@@ -0,0 +1,35 @@
+#!/usr/bin/env bun
+
+import "zod-openapi/extend"
+import { Config } from "../src/config/config"
+import { zodToJsonSchema } from "zod-to-json-schema"
+
+const file = process.argv[2]
+
+const result = zodToJsonSchema(Config.Info, {
+  /**
+   * We'll use the `default` values of the field as the only value in `examples`.
+   * This will ensure no docs are needed to be read, as the configuration is
+   * self-documenting.
+   *
+   * See https://json-schema.org/draft/2020-12/draft-bhutton-json-schema-validation-00#rfc.section.9.5
+   */
+  postProcess(jsonSchema) {
+    const schema = jsonSchema as typeof jsonSchema & {
+      examples?: unknown[]
+    }
+    if (schema && typeof schema === "object" && "type" in schema && schema.type === "string" && schema?.default) {
+      if (!schema.examples) {
+        schema.examples = [schema.default]
+      }
+
+      schema.description = [schema.description || "", `default: \`${schema.default}\``]
+        .filter(Boolean)
+        .join("\n\n")
+        .trim()
+    }
+
+    return jsonSchema
+  },
+})
+await Bun.write(file, JSON.stringify(result, null, 2))

packages/opencode/src/app/app.ts

@@ -1,21 +1,62 @@
-import fs from "fs/promises"
-import { AppPath } from "./path"
+import "zod-openapi/extend"
 import { Log } from "../util/log"
 import { Context } from "../util/context"
+import { Filesystem } from "../util/filesystem"
+import { Global } from "../global"
+import path from "path"
+import os from "os"
+import { z } from "zod"
 
 export namespace App {
   const log = Log.create({ service: "app" })
 
-  export type Info = Awaited<ReturnType<typeof create>>
+  export const Info = z
+    .object({
+      hostname: z.string(),
+      git: z.boolean(),
+      path: z.object({
+        config: z.string(),
+        data: z.string(),
+        root: z.string(),
+        cwd: z.string(),
+        state: z.string(),
+      }),
+      time: z.object({
+        initialized: z.number().optional(),
+      }),
+    })
+    .openapi({
+      ref: "App",
+    })
+  export type Info = z.infer<typeof Info>
 
-  const ctx = Context.create<Info>("app")
+  const ctx = Context.create<{
+    info: Info
+    services: Map<any, { state: any; shutdown?: (input: any) => Promise<void> }>
+  }>("app")
 
-  async function create(input: { directory: string }) {
-    const dataDir = AppPath.data(input.directory)
-    await fs.mkdir(dataDir, { recursive: true })
-    await Log.file(input.directory)
+  export const use = ctx.use
 
-    log.info("created", { path: dataDir })
+  const APP_JSON = "app.json"
+
+  export type Input = {
+    cwd: string
+  }
+
+  export const provideExisting = ctx.provide
+  export async function provide<T>(input: Input, cb: (app: App.Info) => Promise<T>) {
+    log.info("creating", {
+      cwd: input.cwd,
+    })
+    const git = await Filesystem.findUp(".git", input.cwd).then(([x]) => (x ? path.dirname(x) : undefined))
+    log.info("git", { git })
+
+    const data = path.join(Global.Path.data, "project", git ? directory(git) : "global")
+    const stateFile = Bun.file(path.join(data, APP_JSON))
+    const state = (await stateFile.json().catch(() => ({}))) as {
+      initialized: number
+    }
+    await stateFile.write(JSON.stringify(state))
 
     const services = new Map<
       any,
@@ -25,16 +66,39 @@ export namespace App {
       }
     >()
 
-    const result = {
-      get services() {
-        return services
+    const root = git ?? input.cwd
+
+    const info: Info = {
+      hostname: os.hostname(),
+      time: {
+        initialized: state.initialized,
       },
-      get root() {
-        return input.directory
+      git: git !== undefined,
+      path: {
+        config: Global.Path.config,
+        state: Global.Path.state,
+        data,
+        root,
+        cwd: input.cwd,
       },
     }
+    const app = {
+      services,
+      info,
+    }
 
-    return result
+    return ctx.provide(app, async () => {
+      try {
+        const result = await cb(app.info)
+        return result
+      } finally {
+        for (const [key, entry] of app.services.entries()) {
+          if (!entry.shutdown) continue
+          log.info("shutdown", { name: key })
+          await entry.shutdown?.(await entry.state)
+        }
+      }
+    })
   }
 
   export function state<State>(
@@ -48,31 +112,34 @@ export namespace App {
       if (!services.has(key)) {
         log.info("registering service", { name: key })
         services.set(key, {
-          state: init(app),
-          shutdown: shutdown,
+          state: init(app.info),
+          shutdown,
         })
       }
       return services.get(key)?.state as State
     }
   }
 
-  export async function use() {
-    return ctx.use()
+  export function info() {
+    return ctx.use().info
   }
 
-  export async function provide<T extends (app: Info) => any>(
-    input: { directory: string },
-    cb: T,
-  ) {
-    const app = await create(input)
+  export async function initialize() {
+    const { info } = ctx.use()
+    info.time.initialized = Date.now()
+    await Bun.write(
+      path.join(info.path.data, APP_JSON),
+      JSON.stringify({
+        initialized: Date.now(),
+      }),
+    )
+  }
 
-    return ctx.provide(app, async () => {
-      const result = await cb(app)
-      for (const [key, entry] of app.services.entries()) {
-        log.info("shutdown", { name: key })
-        await entry.shutdown?.(await entry.state)
-      }
-      return result
-    })
+  function directory(input: string): string {
+    return input
+      .split(path.sep)
+      .filter(Boolean)
+      .join("-")
+      .replace(/[^A-Za-z0-9_]/g, "-")
   }
 }

packages/opencode/src/app/path.ts

@@ -1,11 +0,0 @@
-import path from "path"
-
-export namespace AppPath {
-  export function data(input: string) {
-    return path.join(input, ".opencode")
-  }
-
-  export function storage(input: string) {
-    return path.join(data(input), "storage")
-  }
-}

packages/opencode/src/auth/anthropic.ts

@@ -0,0 +1,84 @@
+import { generatePKCE } from "@openauthjs/openauth/pkce"
+import { Auth } from "./index"
+
+export namespace AuthAnthropic {
+  const CLIENT_ID = "9d1c250a-e61b-44d9-88ed-5944d1962f5e"
+
+  export async function authorize(mode: "max" | "console") {
+    const pkce = await generatePKCE()
+
+    const url = new URL(
+      `https://${mode === "console" ? "console.anthropic.com" : "claude.ai"}/oauth/authorize`,
+      import.meta.url,
+    )
+    url.searchParams.set("code", "true")
+    url.searchParams.set("client_id", CLIENT_ID)
+    url.searchParams.set("response_type", "code")
+    url.searchParams.set("redirect_uri", "https://console.anthropic.com/oauth/code/callback")
+    url.searchParams.set("scope", "org:create_api_key user:profile user:inference")
+    url.searchParams.set("code_challenge", pkce.challenge)
+    url.searchParams.set("code_challenge_method", "S256")
+    url.searchParams.set("state", pkce.verifier)
+    return {
+      url: url.toString(),
+      verifier: pkce.verifier,
+    }
+  }
+
+  export async function exchange(code: string, verifier: string) {
+    const splits = code.split("#")
+    const result = await fetch("https://console.anthropic.com/v1/oauth/token", {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+      },
+      body: JSON.stringify({
+        code: splits[0],
+        state: splits[1],
+        grant_type: "authorization_code",
+        client_id: CLIENT_ID,
+        redirect_uri: "https://console.anthropic.com/oauth/code/callback",
+        code_verifier: verifier,
+      }),
+    })
+    if (!result.ok) throw new ExchangeFailed()
+    const json = await result.json()
+    return {
+      refresh: json.refresh_token as string,
+      access: json.access_token as string,
+      expires: Date.now() + json.expires_in * 1000,
+    }
+  }
+
+  export async function access() {
+    const info = await Auth.get("anthropic")
+    if (!info || info.type !== "oauth") return
+    if (info.access && info.expires > Date.now()) return info.access
+    const response = await fetch("https://console.anthropic.com/v1/oauth/token", {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+      },
+      body: JSON.stringify({
+        grant_type: "refresh_token",
+        refresh_token: info.refresh,
+        client_id: CLIENT_ID,
+      }),
+    })
+    if (!response.ok) return
+    const json = await response.json()
+    await Auth.set("anthropic", {
+      type: "oauth",
+      refresh: json.refresh_token as string,
+      access: json.access_token as string,
+      expires: Date.now() + json.expires_in * 1000,
+    })
+    return json.access_token as string
+  }
+
+  export class ExchangeFailed extends Error {
+    constructor() {
+      super("Exchange failed")
+    }
+  }
+}

packages/opencode/src/auth/copilot.ts

@@ -0,0 +1,19 @@
+import { Global } from "../global"
+import { lazy } from "../util/lazy"
+import path from "path"
+
+export const AuthCopilot = lazy(async () => {
+  const file = Bun.file(path.join(Global.Path.state, "plugin", "copilot.ts"))
+  const exists = await file.exists()
+  const response = fetch("https://raw.githubusercontent.com/sst/opencode-github-copilot/refs/heads/main/auth.ts")
+    .then((x) => Bun.write(file, x))
+    .catch(() => {})
+
+  if (!exists) {
+    const worked = await response
+    if (!worked) return
+  }
+  const result = await import(file.name!).catch(() => {})
+  if (!result) return
+  return result.AuthCopilot
+})

packages/opencode/src/auth/github-copilot.ts

@@ -0,0 +1,147 @@
+import { z } from "zod"
+import { Auth } from "./index"
+import { NamedError } from "../util/error"
+
+export namespace AuthGithubCopilot {
+  const CLIENT_ID = "Iv1.b507a08c87ecfe98"
+  const DEVICE_CODE_URL = "https://github.com/login/device/code"
+  const ACCESS_TOKEN_URL = "https://github.com/login/oauth/access_token"
+  const COPILOT_API_KEY_URL = "https://api.github.com/copilot_internal/v2/token"
+
+  interface DeviceCodeResponse {
+    device_code: string
+    user_code: string
+    verification_uri: string
+    expires_in: number
+    interval: number
+  }
+
+  interface AccessTokenResponse {
+    access_token?: string
+    error?: string
+    error_description?: string
+  }
+
+  interface CopilotTokenResponse {
+    token: string
+    expires_at: number
+    refresh_in: number
+    endpoints: {
+      api: string
+    }
+  }
+
+  export async function authorize() {
+    const deviceResponse = await fetch(DEVICE_CODE_URL, {
+      method: "POST",
+      headers: {
+        Accept: "application/json",
+        "Content-Type": "application/json",
+        "User-Agent": "GitHubCopilotChat/0.26.7",
+      },
+      body: JSON.stringify({
+        client_id: CLIENT_ID,
+        scope: "read:user",
+      }),
+    })
+    const deviceData: DeviceCodeResponse = await deviceResponse.json()
+    return {
+      device: deviceData.device_code,
+      user: deviceData.user_code,
+      verification: deviceData.verification_uri,
+      interval: deviceData.interval || 5,
+      expiry: deviceData.expires_in,
+    }
+  }
+
+  export async function poll(device_code: string) {
+    const response = await fetch(ACCESS_TOKEN_URL, {
+      method: "POST",
+      headers: {
+        Accept: "application/json",
+        "Content-Type": "application/json",
+        "User-Agent": "GitHubCopilotChat/0.26.7",
+      },
+      body: JSON.stringify({
+        client_id: CLIENT_ID,
+        device_code,
+        grant_type: "urn:ietf:params:oauth:grant-type:device_code",
+      }),
+    })
+
+    if (!response.ok) return "failed"
+
+    const data: AccessTokenResponse = await response.json()
+
+    if (data.access_token) {
+      // Store the GitHub OAuth token
+      await Auth.set("github-copilot", {
+        type: "oauth",
+        refresh: data.access_token,
+        access: "",
+        expires: 0,
+      })
+      return "complete"
+    }
+
+    if (data.error === "authorization_pending") return "pending"
+
+    if (data.error) return "failed"
+
+    return "pending"
+  }
+
+  export async function access() {
+    const info = await Auth.get("github-copilot")
+    if (!info || info.type !== "oauth") return
+    if (info.access && info.expires > Date.now()) return info.access
+
+    // Get new Copilot API token
+    const response = await fetch(COPILOT_API_KEY_URL, {
+      headers: {
+        Accept: "application/json",
+        Authorization: `Bearer ${info.refresh}`,
+        "User-Agent": "GitHubCopilotChat/0.26.7",
+        "Editor-Version": "vscode/1.99.3",
+        "Editor-Plugin-Version": "copilot-chat/0.26.7",
+      },
+    })
+
+    if (!response.ok) return
+
+    const tokenData: CopilotTokenResponse = await response.json()
+
+    // Store the Copilot API token
+    await Auth.set("github-copilot", {
+      type: "oauth",
+      refresh: info.refresh,
+      access: tokenData.token,
+      expires: tokenData.expires_at * 1000,
+    })
+
+    return tokenData.token
+  }
+
+  export const DeviceCodeError = NamedError.create("DeviceCodeError", z.object({}))
+
+  export const TokenExchangeError = NamedError.create(
+    "TokenExchangeError",
+    z.object({
+      message: z.string(),
+    }),
+  )
+
+  export const AuthenticationError = NamedError.create(
+    "AuthenticationError",
+    z.object({
+      message: z.string(),
+    }),
+  )
+
+  export const CopilotTokenError = NamedError.create(
+    "CopilotTokenError",
+    z.object({
+      message: z.string(),
+    }),
+  )
+}

packages/opencode/src/auth/index.ts

@@ -0,0 +1,51 @@
+import path from "path"
+import { Global } from "../global"
+import fs from "fs/promises"
+import { z } from "zod"
+
+export namespace Auth {
+  export const Oauth = z.object({
+    type: z.literal("oauth"),
+    refresh: z.string(),
+    access: z.string(),
+    expires: z.number(),
+  })
+
+  export const Api = z.object({
+    type: z.literal("api"),
+    key: z.string(),
+  })
+
+  export const Info = z.discriminatedUnion("type", [Oauth, Api])
+  export type Info = z.infer<typeof Info>
+
+  const filepath = path.join(Global.Path.data, "auth.json")
+
+  export async function get(providerID: string) {
+    const file = Bun.file(filepath)
+    return file
+      .json()
+      .catch(() => ({}))
+      .then((x) => x[providerID] as Info | undefined)
+  }
+
+  export async function all(): Promise<Record<string, Info>> {
+    const file = Bun.file(filepath)
+    return file.json().catch(() => ({}))
+  }
+
+  export async function set(key: string, info: Info) {
+    const file = Bun.file(filepath)
+    const data = await all()
+    await Bun.write(file, JSON.stringify({ ...data, [key]: info }, null, 2))
+    await fs.chmod(file.name!, 0o600)
+  }
+
+  export async function remove(key: string) {
+    const file = Bun.file(filepath)
+    const data = await all()
+    delete data[key]
+    await Bun.write(file, JSON.stringify(data, null, 2))
+    await fs.chmod(file.name!, 0o600)
+  }
+}

packages/opencode/src/bun/index.ts

@@ -1,32 +1,92 @@
-import path from "path"
+import { z } from "zod"
+import { Global } from "../global"
 import { Log } from "../util/log"
+import path from "path"
+import { NamedError } from "../util/error"
+import { readableStreamToText } from "bun"
+
 export namespace BunProc {
   const log = Log.create({ service: "bun" })
 
-  export function run(
-    cmd: string[],
-    options?: Bun.SpawnOptions.OptionsObject<any, any, any>,
-  ) {
-    const root =
-      process.argv0 !== "bun"
-        ? path.resolve(process.cwd(), process.argv0)
-        : process.argv0
+  export async function run(cmd: string[], options?: Bun.SpawnOptions.OptionsObject<any, any, any>) {
     log.info("running", {
-      cmd: [root, ...cmd],
-      options,
-    })
-    const result = Bun.spawnSync([root, ...cmd], {
+      cmd: [which(), ...cmd],
       ...options,
-      argv0: "bun",
+    })
+    const result = Bun.spawn([which(), ...cmd], {
+      ...options,
+      stdout: "pipe",
+      stderr: "pipe",
       env: {
         ...process.env,
         ...options?.env,
+        BUN_BE_BUN: "1",
       },
     })
-    if (result.exitCode !== 0) {
-      console.error(result.stderr?.toString("utf8") ?? "")
+    const code = await result.exited
+    const stdout = result.stdout
+      ? typeof result.stdout === "number"
+        ? result.stdout
+        : await readableStreamToText(result.stdout)
+      : undefined
+    const stderr = result.stderr
+      ? typeof result.stderr === "number"
+        ? result.stderr
+        : await readableStreamToText(result.stderr)
+      : undefined
+    log.info("done", {
+      code,
+      stdout,
+      stderr,
+    })
+    if (code !== 0) {
       throw new Error(`Command failed with exit code ${result.exitCode}`)
     }
     return result
   }
+
+  export function which() {
+    return process.execPath
+  }
+
+  export const InstallFailedError = NamedError.create(
+    "BunInstallFailedError",
+    z.object({
+      pkg: z.string(),
+      version: z.string(),
+    }),
+  )
+
+  export async function install(pkg: string, version = "latest") {
+    const mod = path.join(Global.Path.cache, "node_modules", pkg)
+    const pkgjson = Bun.file(path.join(Global.Path.cache, "package.json"))
+    const parsed = await pkgjson.json().catch(async () => {
+      const result = { dependencies: {} }
+      await Bun.write(pkgjson.name!, JSON.stringify(result, null, 2))
+      return result
+    })
+    if (parsed.dependencies[pkg] === version) return mod
+
+    // Build command arguments
+    const args = ["add", "--force", "--exact", "--cwd", Global.Path.cache, pkg + "@" + version]
+
+    // Let Bun handle registry resolution:
+    // - If .npmrc files exist, Bun will use them automatically
+    // - If no .npmrc files exist, Bun will default to https://registry.npmjs.org
+    log.info("installing package using Bun's default registry resolution", { pkg, version })
+
+    await BunProc.run(args, {
+      cwd: Global.Path.cache,
+    }).catch((e) => {
+      throw new InstallFailedError(
+        { pkg, version },
+        {
+          cause: e,
+        },
+      )
+    })
+    parsed.dependencies[pkg] = version
+    await Bun.write(pkgjson.name!, JSON.stringify(parsed, null, 2))
+    return mod
+  }
 }

packages/opencode/src/bus/index.ts

@@ -18,10 +18,7 @@ export namespace Bus {
 
   const registry = new Map<string, EventDefinition>()
 
-  export function event<Type extends string, Properties extends ZodType>(
-    type: Type,
-    properties: Properties,
-  ) {
+  export function event<Type extends string, Properties extends ZodType>(type: Type, properties: Properties) {
     const result = {
       type,
       properties,
@@ -49,7 +46,7 @@ export namespace Bus {
     )
   }
 
-  export function publish<Definition extends EventDefinition>(
+  export async function publish<Definition extends EventDefinition>(
     def: Definition,
     properties: z.output<Definition["properties"]>,
   ) {
@@ -60,22 +57,33 @@ export namespace Bus {
     log.info("publishing", {
       type: def.type,
     })
+    const pending = []
     for (const key of [def.type, "*"]) {
       const match = state().subscriptions.get(key)
       for (const sub of match ?? []) {
-        sub(payload)
+        pending.push(sub(payload))
       }
     }
+    return Promise.all(pending)
   }
 
   export function subscribe<Definition extends EventDefinition>(
+    def: Definition,
+    callback: (event: { type: Definition["type"]; properties: z.infer<Definition["properties"]> }) => void,
+  ) {
+    return raw(def.type, callback)
+  }
+
+  export function once<Definition extends EventDefinition>(
     def: Definition,
     callback: (event: {
       type: Definition["type"]
       properties: z.infer<Definition["properties"]>
-    }) => void,
+    }) => "done" | undefined,
   ) {
-    return raw(def.type, callback)
+    const unsub = subscribe(def, (event) => {
+      if (callback(event)) unsub()
+    })
   }
 
   export function subscribeAll(callback: (event: any) => void) {

packages/opencode/src/cli/bootstrap.ts

@@ -0,0 +1,16 @@
+import { App } from "../app/app"
+import { ConfigHooks } from "../config/hooks"
+import { Format } from "../format"
+import { LSP } from "../lsp"
+import { Share } from "../share/share"
+
+export async function bootstrap<T>(input: App.Input, cb: (app: App.Info) => Promise<T>) {
+  return App.provide(input, async (app) => {
+    Share.init()
+    Format.init()
+    ConfigHooks.init()
+    LSP.init()
+
+    return cb(app)
+  })
+}

packages/opencode/src/cli/cmd/auth.ts

@@ -0,0 +1,311 @@
+import { AuthAnthropic } from "../../auth/anthropic"
+import { AuthCopilot } from "../../auth/copilot"
+import { Auth } from "../../auth"
+import { cmd } from "./cmd"
+import * as prompts from "@clack/prompts"
+import open from "open"
+import { UI } from "../ui"
+import { ModelsDev } from "../../provider/models"
+import { map, pipe, sortBy, values } from "remeda"
+import path from "path"
+import os from "os"
+import { Global } from "../../global"
+
+export const AuthCommand = cmd({
+  command: "auth",
+  describe: "manage credentials",
+  builder: (yargs) =>
+    yargs.command(AuthLoginCommand).command(AuthLogoutCommand).command(AuthListCommand).demandCommand(),
+  async handler() {},
+})
+
+export const AuthListCommand = cmd({
+  command: "list",
+  aliases: ["ls"],
+  describe: "list providers",
+  async handler() {
+    UI.empty()
+    const authPath = path.join(Global.Path.data, "auth.json")
+    const homedir = os.homedir()
+    const displayPath = authPath.startsWith(homedir) ? authPath.replace(homedir, "~") : authPath
+    prompts.intro(`Credentials ${UI.Style.TEXT_DIM}${displayPath}`)
+    const results = await Auth.all().then((x) => Object.entries(x))
+    const database = await ModelsDev.get()
+
+    for (const [providerID, result] of results) {
+      const name = database[providerID]?.name || providerID
+      prompts.log.info(`${name} ${UI.Style.TEXT_DIM}${result.type}`)
+    }
+
+    prompts.outro(`${results.length} credentials`)
+
+    // Environment variables section
+    const activeEnvVars: Array<{ provider: string; envVar: string }> = []
+
+    for (const [providerID, provider] of Object.entries(database)) {
+      for (const envVar of provider.env) {
+        if (process.env[envVar]) {
+          activeEnvVars.push({
+            provider: provider.name || providerID,
+            envVar,
+          })
+        }
+      }
+    }
+
+    if (activeEnvVars.length > 0) {
+      UI.empty()
+      prompts.intro("Environment")
+
+      for (const { provider, envVar } of activeEnvVars) {
+        prompts.log.info(`${provider} ${UI.Style.TEXT_DIM}${envVar}`)
+      }
+
+      prompts.outro(`${activeEnvVars.length} environment variables`)
+    }
+  },
+})
+
+export const AuthLoginCommand = cmd({
+  command: "login",
+  describe: "log in to a provider",
+  async handler() {
+    UI.empty()
+    prompts.intro("Add credential")
+    const providers = await ModelsDev.get()
+    const priority: Record<string, number> = {
+      anthropic: 0,
+      "github-copilot": 1,
+      openai: 2,
+      google: 3,
+      openrouter: 4,
+      vercel: 5,
+    }
+    let provider = await prompts.select({
+      message: "Select provider",
+      maxItems: 8,
+      options: [
+        ...pipe(
+          providers,
+          values(),
+          sortBy(
+            (x) => priority[x.id] ?? 99,
+            (x) => x.name ?? x.id,
+          ),
+          map((x) => ({
+            label: x.name,
+            value: x.id,
+            hint: priority[x.id] === 0 ? "recommended" : undefined,
+          })),
+        ),
+        {
+          value: "other",
+          label: "Other",
+        },
+      ],
+    })
+
+    if (prompts.isCancel(provider)) throw new UI.CancelledError()
+
+    if (provider === "other") {
+      provider = await prompts.text({
+        message: "Enter provider id",
+        validate: (x) => (x.match(/^[0-9a-z-]+$/) ? undefined : "a-z, 0-9 and hyphens only"),
+      })
+      if (prompts.isCancel(provider)) throw new UI.CancelledError()
+      provider = provider.replace(/^@ai-sdk\//, "")
+      if (prompts.isCancel(provider)) throw new UI.CancelledError()
+      prompts.log.warn(
+        `This only stores a credential for ${provider} - you will need configure it in opencode.json, check the docs for examples.`,
+      )
+    }
+
+    if (provider === "amazon-bedrock") {
+      prompts.log.info(
+        "Amazon bedrock can be configured with standard AWS environment variables like AWS_BEARER_TOKEN_BEDROCK, AWS_PROFILE or AWS_ACCESS_KEY_ID",
+      )
+      prompts.outro("Done")
+      return
+    }
+
+    if (provider === "anthropic") {
+      const method = await prompts.select({
+        message: "Login method",
+        options: [
+          {
+            label: "Claude Pro/Max",
+            value: "max",
+          },
+          {
+            label: "Create API Key",
+            value: "console",
+          },
+          {
+            label: "Manually enter API Key",
+            value: "api",
+          },
+        ],
+      })
+      if (prompts.isCancel(method)) throw new UI.CancelledError()
+
+      if (method === "max") {
+        // some weird bug where program exits without this
+        await new Promise((resolve) => setTimeout(resolve, 10))
+        const { url, verifier } = await AuthAnthropic.authorize("max")
+        prompts.note("Trying to open browser...")
+        try {
+          await open(url)
+        } catch (e) {
+          prompts.log.error(
+            "Failed to open browser perhaps you are running without a display or X server, please open the following URL in your browser:",
+          )
+        }
+        prompts.log.info(url)
+
+        const code = await prompts.text({
+          message: "Paste the authorization code here: ",
+          validate: (x) => (x.length > 0 ? undefined : "Required"),
+        })
+        if (prompts.isCancel(code)) throw new UI.CancelledError()
+
+        try {
+          const credentials = await AuthAnthropic.exchange(code, verifier)
+          await Auth.set("anthropic", {
+            type: "oauth",
+            refresh: credentials.refresh,
+            access: credentials.access,
+            expires: credentials.expires,
+          })
+          prompts.log.success("Login successful")
+        } catch {
+          prompts.log.error("Invalid code")
+        }
+        prompts.outro("Done")
+        return
+      }
+
+      if (method === "console") {
+        // some weird bug where program exits without this
+        await new Promise((resolve) => setTimeout(resolve, 10))
+        const { url, verifier } = await AuthAnthropic.authorize("console")
+        prompts.note("Trying to open browser...")
+        try {
+          await open(url)
+        } catch (e) {
+          prompts.log.error(
+            "Failed to open browser perhaps you are running without a display or X server, please open the following URL in your browser:",
+          )
+        }
+        prompts.log.info(url)
+
+        const code = await prompts.text({
+          message: "Paste the authorization code here: ",
+          validate: (x) => (x.length > 0 ? undefined : "Required"),
+        })
+        if (prompts.isCancel(code)) throw new UI.CancelledError()
+
+        try {
+          const credentials = await AuthAnthropic.exchange(code, verifier)
+          const accessToken = credentials.access
+          const response = await fetch("https://api.anthropic.com/api/oauth/claude_cli/create_api_key", {
+            method: "POST",
+            headers: {
+              Authorization: `Bearer ${accessToken}`,
+              "Content-Type": "application/x-www-form-urlencoded",
+              Accept: "application/json, text/plain, */*",
+            },
+          })
+          if (!response.ok) {
+            throw new Error("Failed to create API key")
+          }
+          const json = await response.json()
+          await Auth.set("anthropic", {
+            type: "api",
+            key: json.raw_key,
+          })
+
+          prompts.log.success("Login successful - API key created and saved")
+        } catch (error) {
+          prompts.log.error("Invalid code or failed to create API key")
+        }
+        prompts.outro("Done")
+        return
+      }
+    }
+
+    const copilot = await AuthCopilot()
+    if (provider === "github-copilot" && copilot) {
+      await new Promise((resolve) => setTimeout(resolve, 10))
+      const deviceInfo = await copilot.authorize()
+
+      prompts.note(`Please visit: ${deviceInfo.verification}\nEnter code: ${deviceInfo.user}`)
+
+      const spinner = prompts.spinner()
+      spinner.start("Waiting for authorization...")
+
+      while (true) {
+        await new Promise((resolve) => setTimeout(resolve, deviceInfo.interval * 1000))
+        const response = await copilot.poll(deviceInfo.device)
+        if (response.status === "pending") continue
+        if (response.status === "success") {
+          await Auth.set("github-copilot", {
+            type: "oauth",
+            refresh: response.refresh,
+            access: response.access,
+            expires: response.expires,
+          })
+          spinner.stop("Login successful")
+          break
+        }
+        if (response.status === "failed") {
+          spinner.stop("Failed to authorize", 1)
+          break
+        }
+      }
+
+      prompts.outro("Done")
+      return
+    }
+
+    if (provider === "vercel") {
+      prompts.log.info("You can create an api key in the dashboard")
+    }
+
+    const key = await prompts.password({
+      message: "Enter your API key",
+      validate: (x) => (x.length > 0 ? undefined : "Required"),
+    })
+    if (prompts.isCancel(key)) throw new UI.CancelledError()
+    await Auth.set(provider, {
+      type: "api",
+      key,
+    })
+
+    prompts.outro("Done")
+  },
+})
+
+export const AuthLogoutCommand = cmd({
+  command: "logout",
+  describe: "log out from a configured provider",
+  async handler() {
+    UI.empty()
+    const credentials = await Auth.all().then((x) => Object.entries(x))
+    prompts.intro("Remove credential")
+    if (credentials.length === 0) {
+      prompts.log.error("No credentials found")
+      return
+    }
+    const database = await ModelsDev.get()
+    const providerID = await prompts.select({
+      message: "Select provider",
+      options: credentials.map(([key, value]) => ({
+        label: (database[key]?.name || key) + UI.Style.TEXT_DIM + " (" + value.type + ")",
+        value: key,
+      })),
+    })
+    if (prompts.isCancel(providerID)) throw new UI.CancelledError()
+    await Auth.remove(providerID)
+    prompts.outro("Logout successful")
+  },
+})

packages/opencode/src/cli/cmd/cmd.ts

@@ -0,0 +1,5 @@
+import type { CommandModule } from "yargs"
+
+export function cmd<T, U>(input: CommandModule<T, U>) {
+  return input
+}

packages/opencode/src/cli/cmd/debug/file.ts

@@ -0,0 +1,36 @@
+import { File } from "../../../file"
+import { bootstrap } from "../../bootstrap"
+import { cmd } from "../cmd"
+
+const FileReadCommand = cmd({
+  command: "read <path>",
+  builder: (yargs) =>
+    yargs.positional("path", {
+      type: "string",
+      demandOption: true,
+      description: "File path to read",
+    }),
+  async handler(args) {
+    await bootstrap({ cwd: process.cwd() }, async () => {
+      const content = await File.read(args.path)
+      console.log(content)
+    })
+  },
+})
+
+const FileStatusCommand = cmd({
+  command: "status",
+  builder: (yargs) => yargs,
+  async handler() {
+    await bootstrap({ cwd: process.cwd() }, async () => {
+      const status = await File.status()
+      console.log(JSON.stringify(status, null, 2))
+    })
+  },
+})
+
+export const FileCommand = cmd({
+  command: "file",
+  builder: (yargs) => yargs.command(FileReadCommand).command(FileStatusCommand).demandCommand(),
+  async handler() {},
+})

packages/opencode/src/cli/cmd/debug/index.ts

@@ -0,0 +1,28 @@
+import { bootstrap } from "../../bootstrap"
+import { cmd } from "../cmd"
+import { FileCommand } from "./file"
+import { LSPCommand } from "./lsp"
+import { RipgrepCommand } from "./ripgrep"
+import { ScrapCommand } from "./scrap"
+import { SnapshotCommand } from "./snapshot"
+
+export const DebugCommand = cmd({
+  command: "debug",
+  builder: (yargs) =>
+    yargs
+      .command(LSPCommand)
+      .command(RipgrepCommand)
+      .command(FileCommand)
+      .command(ScrapCommand)
+      .command(SnapshotCommand)
+      .command({
+        command: "wait",
+        async handler() {
+          await bootstrap({ cwd: process.cwd() }, async () => {
+            await new Promise((resolve) => setTimeout(resolve, 1_000 * 60 * 60 * 24))
+          })
+        },
+      })
+      .demandCommand(),
+  async handler() {},
+})

packages/opencode/src/cli/cmd/debug/lsp.ts

@@ -0,0 +1,46 @@
+import { LSP } from "../../../lsp"
+import { bootstrap } from "../../bootstrap"
+import { cmd } from "../cmd"
+import { Log } from "../../../util/log"
+
+export const LSPCommand = cmd({
+  command: "lsp",
+  builder: (yargs) =>
+    yargs.command(DiagnosticsCommand).command(SymbolsCommand).command(DocumentSymbolsCommand).demandCommand(),
+  async handler() {},
+})
+
+const DiagnosticsCommand = cmd({
+  command: "diagnostics <file>",
+  builder: (yargs) => yargs.positional("file", { type: "string", demandOption: true }),
+  async handler(args) {
+    await bootstrap({ cwd: process.cwd() }, async () => {
+      await LSP.touchFile(args.file, true)
+      console.log(await LSP.diagnostics())
+    })
+  },
+})
+
+export const SymbolsCommand = cmd({
+  command: "symbols <query>",
+  builder: (yargs) => yargs.positional("query", { type: "string", demandOption: true }),
+  async handler(args) {
+    await bootstrap({ cwd: process.cwd() }, async () => {
+      using _ = Log.Default.time("symbols")
+      const results = await LSP.workspaceSymbol(args.query)
+      console.log(JSON.stringify(results, null, 2))
+    })
+  },
+})
+
+export const DocumentSymbolsCommand = cmd({
+  command: "document-symbols <uri>",
+  builder: (yargs) => yargs.positional("uri", { type: "string", demandOption: true }),
+  async handler(args) {
+    await bootstrap({ cwd: process.cwd() }, async () => {
+      using _ = Log.Default.time("document-symbols")
+      const results = await LSP.documentSymbol(args.uri)
+      console.log(JSON.stringify(results, null, 2))
+    })
+  },
+})

packages/opencode/src/cli/cmd/debug/ripgrep.ts

@@ -0,0 +1,82 @@
+import { App } from "../../../app/app"
+import { Ripgrep } from "../../../file/ripgrep"
+import { bootstrap } from "../../bootstrap"
+import { cmd } from "../cmd"
+
+export const RipgrepCommand = cmd({
+  command: "rg",
+  builder: (yargs) => yargs.command(TreeCommand).command(FilesCommand).command(SearchCommand).demandCommand(),
+  async handler() {},
+})
+
+const TreeCommand = cmd({
+  command: "tree",
+  builder: (yargs) =>
+    yargs.option("limit", {
+      type: "number",
+    }),
+  async handler(args) {
+    await bootstrap({ cwd: process.cwd() }, async () => {
+      const app = App.info()
+      console.log(await Ripgrep.tree({ cwd: app.path.cwd, limit: args.limit }))
+    })
+  },
+})
+
+const FilesCommand = cmd({
+  command: "files",
+  builder: (yargs) =>
+    yargs
+      .option("query", {
+        type: "string",
+        description: "Filter files by query",
+      })
+      .option("glob", {
+        type: "string",
+        description: "Glob pattern to match files",
+      })
+      .option("limit", {
+        type: "number",
+        description: "Limit number of results",
+      }),
+  async handler(args) {
+    await bootstrap({ cwd: process.cwd() }, async () => {
+      const app = App.info()
+      const files = await Ripgrep.files({
+        cwd: app.path.cwd,
+        query: args.query,
+        glob: args.glob ? [args.glob] : undefined,
+        limit: args.limit,
+      })
+      console.log(files.join("\n"))
+    })
+  },
+})
+
+const SearchCommand = cmd({
+  command: "search <pattern>",
+  builder: (yargs) =>
+    yargs
+      .positional("pattern", {
+        type: "string",
+        demandOption: true,
+        description: "Search pattern",
+      })
+      .option("glob", {
+        type: "array",
+        description: "File glob patterns",
+      })
+      .option("limit", {
+        type: "number",
+        description: "Limit number of results",
+      }),
+  async handler(args) {
+    const results = await Ripgrep.search({
+      cwd: process.cwd(),
+      pattern: args.pattern,
+      glob: args.glob as string[] | undefined,
+      limit: args.limit,
+    })
+    console.log(JSON.stringify(results, null, 2))
+  },
+})

packages/opencode/src/cli/cmd/debug/scrap.ts

@@ -0,0 +1,7 @@
+import { cmd } from "../cmd"
+
+export const ScrapCommand = cmd({
+  command: "scrap",
+  builder: (yargs) => yargs,
+  async handler() {},
+})

packages/opencode/src/cli/cmd/debug/snapshot.ts

@@ -0,0 +1,52 @@
+import { Snapshot } from "../../../snapshot"
+import { bootstrap } from "../../bootstrap"
+import { cmd } from "../cmd"
+
+export const SnapshotCommand = cmd({
+  command: "snapshot",
+  builder: (yargs) => yargs.command(CreateCommand).command(RestoreCommand).command(DiffCommand).demandCommand(),
+  async handler() {},
+})
+
+const CreateCommand = cmd({
+  command: "create",
+  async handler() {
+    await bootstrap({ cwd: process.cwd() }, async () => {
+      const result = await Snapshot.create("test")
+      console.log(result)
+    })
+  },
+})
+
+const RestoreCommand = cmd({
+  command: "restore <commit>",
+  builder: (yargs) =>
+    yargs.positional("commit", {
+      type: "string",
+      description: "commit",
+      demandOption: true,
+    }),
+  async handler(args) {
+    await bootstrap({ cwd: process.cwd() }, async () => {
+      await Snapshot.restore("test", args.commit)
+      console.log("restored")
+    })
+  },
+})
+
+export const DiffCommand = cmd({
+  command: "diff <commit>",
+  describe: "diff",
+  builder: (yargs) =>
+    yargs.positional("commit", {
+      type: "string",
+      description: "commit",
+      demandOption: true,
+    }),
+  async handler(args) {
+    await bootstrap({ cwd: process.cwd() }, async () => {
+      const diff = await Snapshot.diff("test", args.commit)
+      console.log(diff)
+    })
+  },
+})

packages/opencode/src/cli/cmd/generate.ts

@@ -0,0 +1,15 @@
+import { Server } from "../../server/server"
+import fs from "fs/promises"
+import path from "path"
+import type { CommandModule } from "yargs"
+
+export const GenerateCommand = {
+  command: "generate",
+  handler: async () => {
+    const specs = await Server.openapi()
+    const dir = "gen"
+    await fs.rmdir(dir, { recursive: true }).catch(() => {})
+    await fs.mkdir(dir, { recursive: true })
+    await Bun.write(path.join(dir, "openapi.json"), JSON.stringify(specs, null, 2))
+  },
+} satisfies CommandModule

packages/opencode/src/cli/cmd/install-github.ts

@@ -0,0 +1,221 @@
+import { $ } from "bun"
+import path from "path"
+import { exec } from "child_process"
+import * as prompts from "@clack/prompts"
+import { map, pipe, sortBy, values } from "remeda"
+import { UI } from "../ui"
+import { cmd } from "./cmd"
+import { ModelsDev } from "../../provider/models"
+import { App } from "../../app/app"
+
+const WORKFLOW_FILE = ".github/workflows/opencode.yml"
+
+export const InstallGithubCommand = cmd({
+  command: "install-github",
+  describe: "install the GitHub agent",
+  async handler() {
+    await App.provide({ cwd: process.cwd() }, async () => {
+      UI.empty()
+      prompts.intro("Install GitHub agent")
+      const app = await getAppInfo()
+      await installGitHubApp()
+
+      const providers = await ModelsDev.get()
+      const provider = await promptProvider()
+      const model = await promptModel()
+      //const key = await promptKey()
+
+      await addWorkflowFiles()
+      printNextSteps()
+
+      function printNextSteps() {
+        let step2
+        if (provider === "amazon-bedrock") {
+          step2 =
+            "Configure OIDC in AWS - https://docs.github.com/en/actions/how-tos/security-for-github-actions/security-hardening-your-deployments/configuring-openid-connect-in-amazon-web-services"
+        } else {
+          const url = `https://github.com/organizations/${app.owner}/settings/secrets/actions`
+          const env = providers[provider].env
+          const envStr =
+            env.length === 1
+              ? `\`${env[0]}\` secret`
+              : `\`${[env.slice(0, -1).join("\`, \`"), ...env.slice(-1)].join("\` and \`")}\` secrets`
+          step2 = `Add ${envStr} for ${providers[provider].name} - ${url}`
+        }
+
+        prompts.outro(
+          [
+            "Next steps:",
+            `    1. Commit "${WORKFLOW_FILE}" file and push`,
+            `    2. ${step2}`,
+            "    3. Learn how to use the GitHub agent - https://docs.opencode.ai/docs/github/getting-started",
+          ].join("\n"),
+        )
+      }
+
+      async function getAppInfo() {
+        const app = App.info()
+        if (!app.git) {
+          prompts.log.error(`Could not find git repository. Please run this command from a git repository.`)
+          throw new UI.CancelledError()
+        }
+
+        // Get repo info
+        const info = await $`git remote get-url origin`.quiet().nothrow().text()
+        // match https or git pattern
+        // ie. https://github.com/sst/opencode.git
+        // ie. git@github.com:sst/opencode.git
+        const parsed = info.match(/git@github\.com:(.*)\.git/) ?? info.match(/github\.com\/(.*)\.git/)
+        if (!parsed) {
+          prompts.log.error(`Could not find git repository. Please run this command from a git repository.`)
+          throw new UI.CancelledError()
+        }
+        const [owner, repo] = parsed[1].split("/")
+        return { owner, repo, root: app.path.root }
+      }
+
+      async function promptProvider() {
+        const priority: Record<string, number> = {
+          anthropic: 0,
+          "github-copilot": 1,
+          openai: 2,
+          google: 3,
+        }
+        let provider = await prompts.select({
+          message: "Select provider",
+          maxItems: 8,
+          options: pipe(
+            providers,
+            values(),
+            sortBy(
+              (x) => priority[x.id] ?? 99,
+              (x) => x.name ?? x.id,
+            ),
+            map((x) => ({
+              label: x.name,
+              value: x.id,
+              hint: priority[x.id] === 0 ? "recommended" : undefined,
+            })),
+          ),
+        })
+
+        if (prompts.isCancel(provider)) throw new UI.CancelledError()
+
+        return provider
+      }
+
+      async function promptModel() {
+        const providerData = providers[provider]!
+
+        const model = await prompts.select({
+          message: "Select model",
+          maxItems: 8,
+          options: pipe(
+            providerData.models,
+            values(),
+            sortBy((x) => x.name ?? x.id),
+            map((x) => ({
+              label: x.name ?? x.id,
+              value: x.id,
+            })),
+          ),
+        })
+
+        if (prompts.isCancel(model)) throw new UI.CancelledError()
+        return model
+      }
+
+      async function installGitHubApp() {
+        const s = prompts.spinner()
+        s.start("Installing GitHub app")
+
+        // Get installation
+        const installation = await getInstallation()
+        if (installation) return s.stop("GitHub app already installed")
+
+        // Open browser
+        const url = "https://github.com/apps/opencode-agent"
+        const command =
+          process.platform === "darwin"
+            ? `open "${url}"`
+            : process.platform === "win32"
+              ? `start "${url}"`
+              : `xdg-open "${url}"`
+
+        exec(command, (error) => {
+          if (error) {
+            prompts.log.warn(`Could not open browser. Please visit: ${url}`)
+          }
+        })
+
+        // Wait for installation
+        s.message("Waiting for GitHub app to be installed")
+        const MAX_RETRIES = 60
+        let retries = 0
+        do {
+          const installation = await getInstallation()
+          if (installation) break
+
+          if (retries > MAX_RETRIES) {
+            s.stop(
+              `Failed to detect GitHub app installation. Make sure to install the app for the \`${app.owner}/${app.repo}\` repository.`,
+            )
+            throw new UI.CancelledError()
+          }
+
+          retries++
+          await new Promise((resolve) => setTimeout(resolve, 1000))
+        } while (true)
+
+        s.stop("Installed GitHub app")
+
+        async function getInstallation() {
+          return await fetch(`https://api.opencode.ai/get_github_app_installation?owner=${app.owner}&repo=${app.repo}`)
+            .then((res) => res.json())
+            .then((data) => data.installation)
+        }
+      }
+
+      async function addWorkflowFiles() {
+        const envStr =
+          provider === "amazon-bedrock"
+            ? ""
+            : `\n        env:${providers[provider].env.map((e) => `\n          ${e}: \${{ secrets.${e} }}`).join("")}`
+
+        await Bun.write(
+          path.join(app.root, WORKFLOW_FILE),
+          `
+name: opencode
+
+on:
+  issue_comment:
+    types: [created]
+
+jobs:
+  opencode:
+    if: |
+      startsWith(github.event.comment.body, 'opencode') ||
+      startsWith(github.event.comment.body, 'hi opencode') ||
+      startsWith(github.event.comment.body, 'hey opencode') ||
+      contains(github.event.comment.body, '@opencode-agent')
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Run opencode
+        uses: sst/opencode/sdks/github@github-v1${envStr}
+        with:
+          model: ${provider}/${model}
+`.trim(),
+        )
+
+        prompts.log.success(`Added workflow file: "${WORKFLOW_FILE}"`)
+      }
+    })
+  },
+})

packages/opencode/src/cli/cmd/mcp.ts

@@ -0,0 +1,79 @@
+import { cmd } from "./cmd"
+import { Client } from "@modelcontextprotocol/sdk/client/index.js"
+import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp.js"
+import * as prompts from "@clack/prompts"
+import { UI } from "../ui"
+
+export const McpCommand = cmd({
+  command: "mcp",
+  builder: (yargs) => yargs.command(McpAddCommand).demandCommand(),
+  async handler() {},
+})
+
+export const McpAddCommand = cmd({
+  command: "add",
+  describe: "add an MCP server",
+  async handler() {
+    UI.empty()
+    prompts.intro("Add MCP server")
+
+    const name = await prompts.text({
+      message: "Enter MCP server name",
+      validate: (x) => (x.length > 0 ? undefined : "Required"),
+    })
+    if (prompts.isCancel(name)) throw new UI.CancelledError()
+
+    const type = await prompts.select({
+      message: "Select MCP server type",
+      options: [
+        {
+          label: "Local",
+          value: "local",
+          hint: "Run a local command",
+        },
+        {
+          label: "Remote",
+          value: "remote",
+          hint: "Connect to a remote URL",
+        },
+      ],
+    })
+    if (prompts.isCancel(type)) throw new UI.CancelledError()
+
+    if (type === "local") {
+      const command = await prompts.text({
+        message: "Enter command to run",
+        placeholder: "e.g., opencode x @modelcontextprotocol/server-filesystem",
+        validate: (x) => (x.length > 0 ? undefined : "Required"),
+      })
+      if (prompts.isCancel(command)) throw new UI.CancelledError()
+
+      prompts.log.info(`Local MCP server "${name}" configured with command: ${command}`)
+      prompts.outro("MCP server added successfully")
+      return
+    }
+
+    if (type === "remote") {
+      const url = await prompts.text({
+        message: "Enter MCP server URL",
+        placeholder: "e.g., https://example.com/mcp",
+        validate: (x) => {
+          if (x.length === 0) return "Required"
+          const isValid = URL.canParse(x)
+          return isValid ? undefined : "Invalid URL"
+        },
+      })
+      if (prompts.isCancel(url)) throw new UI.CancelledError()
+
+      const client = new Client({
+        name: "opencode",
+        version: "1.0.0",
+      })
+      const transport = new StreamableHTTPClientTransport(new URL(url))
+      await client.connect(transport)
+      prompts.log.info(`Remote MCP server "${name}" configured with URL: ${url}`)
+    }
+
+    prompts.outro("MCP server added successfully")
+  },
+})

packages/opencode/src/cli/cmd/models.ts

@@ -0,0 +1,19 @@
+import { App } from "../../app/app"
+import { Provider } from "../../provider/provider"
+import { cmd } from "./cmd"
+
+export const ModelsCommand = cmd({
+  command: "models",
+  describe: "list all available models",
+  handler: async () => {
+    await App.provide({ cwd: process.cwd() }, async () => {
+      const providers = await Provider.list()
+
+      for (const [providerID, provider] of Object.entries(providers)) {
+        for (const modelID of Object.keys(provider.info.models)) {
+          console.log(`${providerID}/${modelID}`)
+        }
+      }
+    })
+  },
+})

packages/opencode/src/cli/cmd/run.ts

@@ -0,0 +1,190 @@
+import type { Argv } from "yargs"
+import { Bus } from "../../bus"
+import { Provider } from "../../provider/provider"
+import { Session } from "../../session"
+import { UI } from "../ui"
+import { cmd } from "./cmd"
+import { Flag } from "../../flag/flag"
+import { Config } from "../../config/config"
+import { bootstrap } from "../bootstrap"
+import { MessageV2 } from "../../session/message-v2"
+import { Mode } from "../../session/mode"
+import { Identifier } from "../../id/id"
+
+const TOOL: Record<string, [string, string]> = {
+  todowrite: ["Todo", UI.Style.TEXT_WARNING_BOLD],
+  todoread: ["Todo", UI.Style.TEXT_WARNING_BOLD],
+  bash: ["Bash", UI.Style.TEXT_DANGER_BOLD],
+  edit: ["Edit", UI.Style.TEXT_SUCCESS_BOLD],
+  glob: ["Glob", UI.Style.TEXT_INFO_BOLD],
+  grep: ["Grep", UI.Style.TEXT_INFO_BOLD],
+  list: ["List", UI.Style.TEXT_INFO_BOLD],
+  read: ["Read", UI.Style.TEXT_HIGHLIGHT_BOLD],
+  write: ["Write", UI.Style.TEXT_SUCCESS_BOLD],
+  websearch: ["Search", UI.Style.TEXT_DIM_BOLD],
+}
+
+export const RunCommand = cmd({
+  command: "run [message..]",
+  describe: "run opencode with a message",
+  builder: (yargs: Argv) => {
+    return yargs
+      .positional("message", {
+        describe: "message to send",
+        type: "string",
+        array: true,
+        default: [],
+      })
+      .option("continue", {
+        alias: ["c"],
+        describe: "continue the last session",
+        type: "boolean",
+      })
+      .option("session", {
+        alias: ["s"],
+        describe: "session id to continue",
+        type: "string",
+      })
+      .option("share", {
+        type: "boolean",
+        describe: "share the session",
+      })
+      .option("model", {
+        type: "string",
+        alias: ["m"],
+        describe: "model to use in the format of provider/model",
+      })
+      .option("mode", {
+        type: "string",
+        describe: "mode to use",
+      })
+  },
+  handler: async (args) => {
+    let message = args.message.join(" ")
+
+    if (!process.stdin.isTTY) message += "\n" + (await Bun.stdin.text())
+
+    await bootstrap({ cwd: process.cwd() }, async () => {
+      const session = await (async () => {
+        if (args.continue) {
+          const list = Session.list()
+          const first = await list.next()
+          await list.return()
+          if (first.done) return
+          return first.value
+        }
+
+        if (args.session) return Session.get(args.session)
+
+        return Session.create()
+      })()
+
+      if (!session) {
+        UI.error("Session not found")
+        return
+      }
+
+      UI.empty()
+      UI.println(UI.logo())
+      UI.empty()
+
+      const cfg = await Config.get()
+      if (cfg.share === "auto" || Flag.OPENCODE_AUTO_SHARE || args.share) {
+        try {
+          await Session.share(session.id)
+          UI.println(UI.Style.TEXT_INFO_BOLD + "~  https://opencode.ai/s/" + session.id.slice(-8))
+        } catch (error) {
+          if (error instanceof Error && error.message.includes("disabled")) {
+            UI.println(UI.Style.TEXT_DANGER_BOLD + "!  " + error.message)
+          } else {
+            throw error
+          }
+        }
+      }
+      UI.empty()
+
+      const { providerID, modelID } = args.model ? Provider.parseModel(args.model) : await Provider.defaultModel()
+      UI.println(UI.Style.TEXT_NORMAL_BOLD + "@ ", UI.Style.TEXT_NORMAL + `${providerID}/${modelID}`)
+      UI.empty()
+
+      function printEvent(color: string, type: string, title: string) {
+        UI.println(
+          color + `|`,
+          UI.Style.TEXT_NORMAL + UI.Style.TEXT_DIM + ` ${type.padEnd(7, " ")}`,
+          "",
+          UI.Style.TEXT_NORMAL + title,
+        )
+      }
+
+      let text = ""
+      Bus.subscribe(MessageV2.Event.PartUpdated, async (evt) => {
+        if (evt.properties.part.sessionID !== session.id) return
+        if (evt.properties.part.messageID === messageID) return
+        const part = evt.properties.part
+
+        if (part.type === "tool" && part.state.status === "completed") {
+          const [tool, color] = TOOL[part.tool] ?? [part.tool, UI.Style.TEXT_INFO_BOLD]
+          const title =
+            part.state.title || Object.keys(part.state.input).length > 0 ? JSON.stringify(part.state.input) : "Unknown"
+          printEvent(color, tool, title)
+        }
+
+        if (part.type === "text") {
+          text = part.text
+
+          if (part.time?.end) {
+            UI.empty()
+            UI.println(UI.markdown(text))
+            UI.empty()
+            text = ""
+            return
+          }
+        }
+      })
+
+      let errorMsg: string | undefined
+      Bus.subscribe(Session.Event.Error, async (evt) => {
+        const { sessionID, error } = evt.properties
+        if (sessionID !== session.id || !error) return
+        let err = String(error.name)
+
+        if ("data" in error && error.data && "message" in error.data) {
+          err = error.data.message
+        }
+        errorMsg = errorMsg ? errorMsg + "\n" + err : err
+
+        UI.error(err)
+      })
+
+      const mode = args.mode ? await Mode.get(args.mode) : await Mode.list().then((x) => x[0])
+
+      const messageID = Identifier.ascending("message")
+      const result = await Session.chat({
+        sessionID: session.id,
+        messageID,
+        ...(mode.model
+          ? mode.model
+          : {
+              providerID,
+              modelID,
+            }),
+        mode: mode.name,
+        parts: [
+          {
+            id: Identifier.ascending("part"),
+            type: "text",
+            text: message,
+          },
+        ],
+      })
+
+      const isPiped = !process.stdout.isTTY
+      if (isPiped) {
+        const match = result.parts.findLast((x) => x.type === "text")
+        if (match) process.stdout.write(UI.markdown(match.text))
+        if (errorMsg) process.stdout.write(errorMsg)
+      }
+      UI.empty()
+    })
+  },
+})

packages/opencode/src/cli/cmd/serve.ts

@@ -0,0 +1,48 @@
+import { Provider } from "../../provider/provider"
+import { Server } from "../../server/server"
+import { Share } from "../../share/share"
+import { bootstrap } from "../bootstrap"
+import { cmd } from "./cmd"
+
+export const ServeCommand = cmd({
+  command: "serve",
+  builder: (yargs) =>
+    yargs
+      .option("port", {
+        alias: ["p"],
+        type: "number",
+        describe: "port to listen on",
+        default: 4096,
+      })
+      .option("hostname", {
+        alias: ["h"],
+        type: "string",
+        describe: "hostname to listen on",
+        default: "127.0.0.1",
+      }),
+  describe: "starts a headless opencode server",
+  handler: async (args) => {
+    const cwd = process.cwd()
+    await bootstrap({ cwd }, async () => {
+      const providers = await Provider.list()
+      if (Object.keys(providers).length === 0) {
+        return "needs_provider"
+      }
+
+      const hostname = args.hostname
+      const port = args.port
+
+      await Share.init()
+      const server = Server.listen({
+        port,
+        hostname,
+      })
+
+      console.log(`opencode server listening on http://${server.hostname}:${server.port}`)
+
+      await new Promise(() => {})
+
+      server.stop()
+    })
+  },
+})

packages/opencode/src/cli/cmd/stats.ts

@@ -0,0 +1,98 @@
+import { cmd } from "./cmd"
+
+interface SessionStats {
+  totalSessions: number
+  totalMessages: number
+  totalCost: number
+  totalTokens: {
+    input: number
+    output: number
+    reasoning: number
+    cache: {
+      read: number
+      write: number
+    }
+  }
+  toolUsage: Record<string, number>
+  dateRange: {
+    earliest: number
+    latest: number
+  }
+  days: number
+  costPerDay: number
+}
+
+export const StatsCommand = cmd({
+  command: "stats",
+  handler: async () => {},
+})
+
+export function displayStats(stats: SessionStats) {
+  const width = 56
+
+  function renderRow(label: string, value: string): string {
+    const availableWidth = width - 1
+    const paddingNeeded = availableWidth - label.length - value.length
+    const padding = Math.max(0, paddingNeeded)
+    return `│${label}${" ".repeat(padding)}${value} │`
+  }
+
+  // Overview section
+  console.log("┌────────────────────────────────────────────────────────┐")
+  console.log("│                       OVERVIEW                         │")
+  console.log("├────────────────────────────────────────────────────────┤")
+  console.log(renderRow("Sessions", stats.totalSessions.toLocaleString()))
+  console.log(renderRow("Messages", stats.totalMessages.toLocaleString()))
+  console.log(renderRow("Days", stats.days.toString()))
+  console.log("└────────────────────────────────────────────────────────┘")
+  console.log()
+
+  // Cost & Tokens section
+  console.log("┌────────────────────────────────────────────────────────┐")
+  console.log("│                    COST & TOKENS                       │")
+  console.log("├────────────────────────────────────────────────────────┤")
+  const cost = isNaN(stats.totalCost) ? 0 : stats.totalCost
+  const costPerDay = isNaN(stats.costPerDay) ? 0 : stats.costPerDay
+  console.log(renderRow("Total Cost", `$${cost.toFixed(2)}`))
+  console.log(renderRow("Cost/Day", `$${costPerDay.toFixed(2)}`))
+  console.log(renderRow("Input", formatNumber(stats.totalTokens.input)))
+  console.log(renderRow("Output", formatNumber(stats.totalTokens.output)))
+  console.log(renderRow("Cache Read", formatNumber(stats.totalTokens.cache.read)))
+  console.log(renderRow("Cache Write", formatNumber(stats.totalTokens.cache.write)))
+  console.log("└────────────────────────────────────────────────────────┘")
+  console.log()
+
+  // Tool Usage section
+  if (Object.keys(stats.toolUsage).length > 0) {
+    const sortedTools = Object.entries(stats.toolUsage)
+      .sort(([, a], [, b]) => b - a)
+      .slice(0, 10)
+
+    console.log("┌────────────────────────────────────────────────────────┐")
+    console.log("│                      TOOL USAGE                        │")
+    console.log("├────────────────────────────────────────────────────────┤")
+
+    const maxCount = Math.max(...sortedTools.map(([, count]) => count))
+    const totalToolUsage = Object.values(stats.toolUsage).reduce((a, b) => a + b, 0)
+
+    for (const [tool, count] of sortedTools) {
+      const barLength = Math.max(1, Math.floor((count / maxCount) * 20))
+      const bar = "█".repeat(barLength)
+      const percentage = ((count / totalToolUsage) * 100).toFixed(1)
+
+      const content = ` ${tool.padEnd(10)} ${bar.padEnd(20)} ${count.toString().padStart(3)} (${percentage.padStart(4)}%)`
+      const padding = Math.max(0, width - content.length)
+      console.log(`│${content}${" ".repeat(padding)} │`)
+    }
+    console.log("└────────────────────────────────────────────────────────┘")
+  }
+  console.log()
+}
+function formatNumber(num: number): string {
+  if (num >= 1000000) {
+    return (num / 1000000).toFixed(1) + "M"
+  } else if (num >= 1000) {
+    return (num / 1000).toFixed(1) + "K"
+  }
+  return num.toString()
+}

packages/opencode/src/cli/cmd/tui.ts

@@ -0,0 +1,163 @@
+import { Global } from "../../global"
+import { Provider } from "../../provider/provider"
+import { Server } from "../../server/server"
+import { bootstrap } from "../bootstrap"
+import { UI } from "../ui"
+import { cmd } from "./cmd"
+import path from "path"
+import fs from "fs/promises"
+import { Installation } from "../../installation"
+import { Config } from "../../config/config"
+import { Bus } from "../../bus"
+import { Log } from "../../util/log"
+import { FileWatcher } from "../../file/watch"
+import { Mode } from "../../session/mode"
+
+export const TuiCommand = cmd({
+  command: "$0 [project]",
+  describe: "start opencode tui",
+  builder: (yargs) =>
+    yargs
+      .positional("project", {
+        type: "string",
+        describe: "path to start opencode in",
+      })
+      .option("model", {
+        type: "string",
+        alias: ["m"],
+        describe: "model to use in the format of provider/model",
+      })
+      .option("prompt", {
+        alias: ["p"],
+        type: "string",
+        describe: "prompt to use",
+      })
+      .option("mode", {
+        type: "string",
+        describe: "mode to use",
+      }),
+  handler: async (args) => {
+    while (true) {
+      const cwd = args.project ? path.resolve(args.project) : process.cwd()
+      try {
+        process.chdir(cwd)
+      } catch (e) {
+        UI.error("Failed to change directory to " + cwd)
+        return
+      }
+      const result = await bootstrap({ cwd }, async (app) => {
+        FileWatcher.init()
+        const providers = await Provider.list()
+        if (Object.keys(providers).length === 0) {
+          return "needs_provider"
+        }
+
+        const server = Server.listen({
+          port: 0,
+          hostname: "127.0.0.1",
+        })
+
+        let cmd = ["go", "run", "./main.go"]
+        let cwd = Bun.fileURLToPath(new URL("../../../../tui/cmd/opencode", import.meta.url))
+        if (Bun.embeddedFiles.length > 0) {
+          const blob = Bun.embeddedFiles[0] as File
+          let binaryName = blob.name
+          if (process.platform === "win32" && !binaryName.endsWith(".exe")) {
+            binaryName += ".exe"
+          }
+          const binary = path.join(Global.Path.cache, "tui", binaryName)
+          const file = Bun.file(binary)
+          if (!(await file.exists())) {
+            await Bun.write(file, blob, { mode: 0o755 })
+            await fs.chmod(binary, 0o755)
+          }
+          cwd = process.cwd()
+          cmd = [binary]
+        }
+        Log.Default.info("tui", {
+          cmd,
+        })
+        const proc = Bun.spawn({
+          cmd: [
+            ...cmd,
+            ...(args.model ? ["--model", args.model] : []),
+            ...(args.prompt ? ["--prompt", args.prompt] : []),
+            ...(args.mode ? ["--mode", args.mode] : []),
+          ],
+          cwd,
+          stdout: "inherit",
+          stderr: "inherit",
+          stdin: "inherit",
+          env: {
+            ...process.env,
+            CGO_ENABLED: "0",
+            OPENCODE_SERVER: server.url.toString(),
+            OPENCODE_APP_INFO: JSON.stringify(app),
+            OPENCODE_MODES: JSON.stringify(await Mode.list()),
+          },
+          onExit: () => {
+            server.stop()
+          },
+        })
+
+        ;(async () => {
+          if (Installation.VERSION === "dev") return
+          if (Installation.isSnapshot()) return
+          const config = await Config.global()
+          if (config.autoupdate === false) return
+          const latest = await Installation.latest().catch(() => {})
+          if (!latest) return
+          if (Installation.VERSION === latest) return
+          const method = await Installation.method()
+          if (method === "unknown") return
+          await Installation.upgrade(method, latest)
+            .then(() => {
+              Bus.publish(Installation.Event.Updated, { version: latest })
+            })
+            .catch(() => {})
+        })()
+
+        await proc.exited
+        server.stop()
+
+        return "done"
+      })
+      if (result === "done") break
+      if (result === "needs_provider") {
+        UI.empty()
+        UI.println(UI.logo("   "))
+        const result = await Bun.spawn({
+          cmd: [...getOpencodeCommand(), "auth", "login"],
+          cwd: process.cwd(),
+          stdout: "inherit",
+          stderr: "inherit",
+          stdin: "inherit",
+        }).exited
+        if (result !== 0) return
+        UI.empty()
+      }
+    }
+  },
+})
+
+/**
+ * Get the correct command to run opencode CLI
+ * In development: ["bun", "run", "packages/opencode/src/index.ts"]
+ * In production: ["/path/to/opencode"]
+ */
+function getOpencodeCommand(): string[] {
+  // Check if OPENCODE_BIN_PATH is set (used by shell wrapper scripts)
+  if (process.env["OPENCODE_BIN_PATH"]) {
+    return [process.env["OPENCODE_BIN_PATH"]]
+  }
+
+  const execPath = process.execPath.toLowerCase()
+
+  if (Installation.isDev()) {
+    // In development, use bun to run the TypeScript entry point
+    return [execPath, "run", process.argv[1]]
+  }
+
+  // In production, use the current executable path
+  return [process.execPath]
+}

packages/opencode/src/cli/cmd/upgrade.ts

@@ -0,0 +1,57 @@
+import type { Argv } from "yargs"
+import { UI } from "../ui"
+import * as prompts from "@clack/prompts"
+import { Installation } from "../../installation"
+
+export const UpgradeCommand = {
+  command: "upgrade [target]",
+  describe: "upgrade opencode to the latest or a specific version",
+  builder: (yargs: Argv) => {
+    return yargs
+      .positional("target", {
+        describe: "version to upgrade to, for ex '0.1.48' or 'v0.1.48'",
+        type: "string",
+      })
+      .option("method", {
+        alias: "m",
+        describe: "installation method to use",
+        type: "string",
+        choices: ["curl", "npm", "pnpm", "bun", "brew"],
+      })
+  },
+  handler: async (args: { target?: string; method?: string }) => {
+    UI.empty()
+    UI.println(UI.logo("  "))
+    UI.empty()
+    prompts.intro("Upgrade")
+    const detectedMethod = await Installation.method()
+    const method = (args.method as Installation.Method) ?? detectedMethod
+    if (method === "unknown") {
+      prompts.log.error(`opencode is installed to ${process.execPath} and seems to be managed by a package manager`)
+      prompts.outro("Done")
+      return
+    }
+    prompts.log.info("Using method: " + method)
+    const target = args.target ?? (await Installation.latest())
+
+    if (Installation.VERSION === target) {
+      prompts.log.warn(`opencode upgrade skipped: ${target} is already installed`)
+      prompts.outro("Done")
+      return
+    }
+
+    prompts.log.info(`From ${Installation.VERSION} → ${target}`)
+    const spinner = prompts.spinner()
+    spinner.start("Upgrading...")
+    const err = await Installation.upgrade(method, target).catch((err) => err)
+    if (err) {
+      spinner.stop("Upgrade failed")
+      if (err instanceof Installation.UpgradeFailedError) prompts.log.error(err.data.stderr)
+      else if (err instanceof Error) prompts.log.error(err.message)
+      prompts.outro("Done")
+      return
+    }
+    spinner.stop("Upgrade complete")
+    prompts.outro("Done")
+  },
+}

packages/opencode/src/cli/error.ts

@@ -0,0 +1,16 @@
+import { Config } from "../config/config"
+import { MCP } from "../mcp"
+import { UI } from "./ui"
+
+export function FormatError(input: unknown) {
+  if (MCP.Failed.isInstance(input))
+    return `MCP server "${input.data.name}" failed. Note, opencode does not support MCP authentication yet.`
+  if (Config.JsonError.isInstance(input)) return `Config file at ${input.data.path} is not valid JSON`
+  if (Config.InvalidError.isInstance(input))
+    return [
+      `Config file at ${input.data.path} is invalid`,
+      ...(input.data.issues?.map((issue) => "↳ " + issue.message + " " + issue.path.join(".")) ?? []),
+    ].join("\n")
+
+  if (UI.CancelledError.isInstance(input)) return ""
+}

packages/opencode/src/cli/ui.ts

@@ -0,0 +1,83 @@
+import { z } from "zod"
+import { EOL } from "os"
+import { NamedError } from "../util/error"
+
+export namespace UI {
+  const LOGO = [
+    [`█▀▀█ █▀▀█ █▀▀ █▀▀▄ `, `█▀▀ █▀▀█ █▀▀▄ █▀▀`],
+    [`█░░█ █░░█ █▀▀ █░░█ `, `█░░ █░░█ █░░█ █▀▀`],
+    [`▀▀▀▀ █▀▀▀ ▀▀▀ ▀  ▀ `, `▀▀▀ ▀▀▀▀ ▀▀▀  ▀▀▀`],
+  ]
+
+  export const CancelledError = NamedError.create("UICancelledError", z.void())
+
+  export const Style = {
+    TEXT_HIGHLIGHT: "\x1b[96m",
+    TEXT_HIGHLIGHT_BOLD: "\x1b[96m\x1b[1m",
+    TEXT_DIM: "\x1b[90m",
+    TEXT_DIM_BOLD: "\x1b[90m\x1b[1m",
+    TEXT_NORMAL: "\x1b[0m",
+    TEXT_NORMAL_BOLD: "\x1b[1m",
+    TEXT_WARNING: "\x1b[93m",
+    TEXT_WARNING_BOLD: "\x1b[93m\x1b[1m",
+    TEXT_DANGER: "\x1b[91m",
+    TEXT_DANGER_BOLD: "\x1b[91m\x1b[1m",
+    TEXT_SUCCESS: "\x1b[92m",
+    TEXT_SUCCESS_BOLD: "\x1b[92m\x1b[1m",
+    TEXT_INFO: "\x1b[94m",
+    TEXT_INFO_BOLD: "\x1b[94m\x1b[1m",
+  }
+
+  export function println(...message: string[]) {
+    print(...message)
+    Bun.stderr.write(EOL)
+  }
+
+  export function print(...message: string[]) {
+    blank = false
+    Bun.stderr.write(message.join(" "))
+  }
+
+  let blank = false
+  export function empty() {
+    if (blank) return
+    println("" + Style.TEXT_NORMAL)
+    blank = true
+  }
+
+  export function logo(pad?: string) {
+    const result = []
+    for (const row of LOGO) {
+      if (pad) result.push(pad)
+      result.push(Bun.color("gray", "ansi"))
+      result.push(row[0])
+      result.push("\x1b[0m")
+      result.push(row[1])
+      result.push(EOL)
+    }
+    return result.join("").trimEnd()
+  }
+
+  export async function input(prompt: string): Promise<string> {
+    const readline = require("readline")
+    const rl = readline.createInterface({
+      input: process.stdin,
+      output: process.stdout,
+    })
+
+    return new Promise((resolve) => {
+      rl.question(prompt, (answer: string) => {
+        rl.close()
+        resolve(answer.trim())
+      })
+    })
+  }
+
+  export function error(message: string) {
+    println(Style.TEXT_DANGER_BOLD + "Error: " + Style.TEXT_NORMAL + message)
+  }
+
+  export function markdown(text: string): string {
+    return text
+  }
+}

packages/opencode/src/config/config.ts

@@ -1,56 +1,300 @@
-import path from "path"
 import { Log } from "../util/log"
+import path from "path"
 import { z } from "zod"
 import { App } from "../app/app"
-import { Provider } from "../provider/provider"
+import { Filesystem } from "../util/filesystem"
+import { ModelsDev } from "../provider/models"
+import { mergeDeep, pipe } from "remeda"
+import { Global } from "../global"
+import fs from "fs/promises"
+import { lazy } from "../util/lazy"
+import { NamedError } from "../util/error"
 
 export namespace Config {
   const log = Log.create({ service: "config" })
 
   export const state = App.state("config", async (app) => {
-    const result = await load(app.root)
+    let result = await global()
+    for (const file of ["opencode.jsonc", "opencode.json"]) {
+      const found = await Filesystem.findUp(file, app.path.cwd, app.path.root)
+      for (const resolved of found.toReversed()) {
+        result = mergeDeep(result, await load(resolved))
+      }
+    }
+
+    // Handle migration from autoshare to share field
+    if (result.autoshare === true && !result.share) {
+      result.share = "auto"
+    }
+
+    if (!result.username) {
+      const os = await import("os")
+      result.username = os.userInfo().username
+    }
+
+    log.info("loaded", result)
+
     return result
   })
 
+  export const McpLocal = z
+    .object({
+      type: z.literal("local").describe("Type of MCP server connection"),
+      command: z.string().array().describe("Command and arguments to run the MCP server"),
+      environment: z
+        .record(z.string(), z.string())
+        .optional()
+        .describe("Environment variables to set when running the MCP server"),
+      enabled: z.boolean().optional().describe("Enable or disable the MCP server on startup"),
+    })
+    .strict()
+    .openapi({
+      ref: "McpLocalConfig",
+    })
+
+  export const McpRemote = z
+    .object({
+      type: z.literal("remote").describe("Type of MCP server connection"),
+      url: z.string().describe("URL of the remote MCP server"),
+      enabled: z.boolean().optional().describe("Enable or disable the MCP server on startup"),
+      headers: z.record(z.string(), z.string()).optional().describe("Headers to send with the request"),
+    })
+    .strict()
+    .openapi({
+      ref: "McpRemoteConfig",
+    })
+
+  export const Mcp = z.discriminatedUnion("type", [McpLocal, McpRemote])
+  export type Mcp = z.infer<typeof Mcp>
+
+  export const Mode = z
+    .object({
+      model: z.string().optional(),
+      prompt: z.string().optional(),
+      tools: z.record(z.string(), z.boolean()).optional(),
+    })
+    .openapi({
+      ref: "ModeConfig",
+    })
+  export type Mode = z.infer<typeof Mode>
+
+  export const Keybinds = z
+    .object({
+      leader: z.string().optional().default("ctrl+x").describe("Leader key for keybind combinations"),
+      app_help: z.string().optional().default("<leader>h").describe("Show help dialog"),
+      switch_mode: z.string().optional().default("tab").describe("Next mode"),
+      switch_mode_reverse: z.string().optional().default("shift+tab").describe("Previous Mode"),
+      editor_open: z.string().optional().default("<leader>e").describe("Open external editor"),
+      session_export: z.string().optional().default("<leader>x").describe("Export session to editor"),
+      session_new: z.string().optional().default("<leader>n").describe("Create a new session"),
+      session_list: z.string().optional().default("<leader>l").describe("List all sessions"),
+      session_share: z.string().optional().default("<leader>s").describe("Share current session"),
+      session_unshare: z.string().optional().default("<leader>u").describe("Unshare current session"),
+      session_interrupt: z.string().optional().default("esc").describe("Interrupt current session"),
+      session_compact: z.string().optional().default("<leader>c").describe("Compact the session"),
+      tool_details: z.string().optional().default("<leader>d").describe("Toggle tool details"),
+      model_list: z.string().optional().default("<leader>m").describe("List available models"),
+      theme_list: z.string().optional().default("<leader>t").describe("List available themes"),
+      file_list: z.string().optional().default("<leader>f").describe("List files"),
+      file_close: z.string().optional().default("esc").describe("Close file"),
+      file_search: z.string().optional().default("<leader>/").describe("Search file"),
+      file_diff_toggle: z.string().optional().default("<leader>v").describe("Split/unified diff"),
+      project_init: z.string().optional().default("<leader>i").describe("Create/update AGENTS.md"),
+      input_clear: z.string().optional().default("ctrl+c").describe("Clear input field"),
+      input_paste: z.string().optional().default("ctrl+v").describe("Paste from clipboard"),
+      input_submit: z.string().optional().default("enter").describe("Submit input"),
+      input_newline: z.string().optional().default("shift+enter,ctrl+j").describe("Insert newline in input"),
+      messages_page_up: z.string().optional().default("pgup").describe("Scroll messages up by one page"),
+      messages_page_down: z.string().optional().default("pgdown").describe("Scroll messages down by one page"),
+      messages_half_page_up: z.string().optional().default("ctrl+alt+u").describe("Scroll messages up by half page"),
+      messages_half_page_down: z
+        .string()
+        .optional()
+        .default("ctrl+alt+d")
+        .describe("Scroll messages down by half page"),
+      messages_previous: z.string().optional().default("ctrl+up").describe("Navigate to previous message"),
+      messages_next: z.string().optional().default("ctrl+down").describe("Navigate to next message"),
+      messages_first: z.string().optional().default("ctrl+g").describe("Navigate to first message"),
+      messages_last: z.string().optional().default("ctrl+alt+g").describe("Navigate to last message"),
+      messages_layout_toggle: z.string().optional().default("<leader>p").describe("Toggle layout"),
+      messages_copy: z.string().optional().default("<leader>y").describe("Copy message"),
+      messages_revert: z.string().optional().default("<leader>r").describe("Revert message"),
+      app_exit: z.string().optional().default("ctrl+c,<leader>q").describe("Exit the application"),
+    })
+    .strict()
+    .openapi({
+      ref: "KeybindsConfig",
+    })
+
+  export const Layout = z.enum(["auto", "stretch"]).openapi({
+    ref: "LayoutConfig",
+  })
+  export type Layout = z.infer<typeof Layout>
+
   export const Info = z
     .object({
-      provider: z.lazy(() => Provider.Info.array().optional()),
-      tool: z
+      $schema: z.string().optional().describe("JSON schema reference for configuration validation"),
+      theme: z.string().optional().describe("Theme name to use for the interface"),
+      keybinds: Keybinds.optional().describe("Custom keybind configurations"),
+      share: z
+        .enum(["manual", "auto", "disabled"])
+        .optional()
+        .describe(
+          "Control sharing behavior:'manual' allows manual sharing via commands, 'auto' enables automatic sharing, 'disabled' disables all sharing",
+        ),
+      autoshare: z
+        .boolean()
+        .optional()
+        .describe("@deprecated Use 'share' field instead. Share newly created sessions automatically"),
+      autoupdate: z.boolean().optional().describe("Automatically update to the latest version"),
+      disabled_providers: z.array(z.string()).optional().describe("Disable providers that are loaded automatically"),
+      model: z.string().describe("Model to use in the format of provider/model, eg anthropic/claude-2").optional(),
+      small_model: z
+        .string()
+        .describe(
+          "Small model to use for tasks like summarization and title generation in the format of provider/model",
+        )
+        .optional(),
+      username: z
+        .string()
+        .optional()
+        .describe("Custom username to display in conversations instead of system username"),
+      mode: z
         .object({
-          provider: z.record(z.string(), z.string().array()).optional(),
+          build: Mode.optional(),
+          plan: Mode.optional(),
+        })
+        .catchall(Mode)
+        .optional()
+        .describe("Modes configuration, see https://opencode.ai/docs/modes"),
+      provider: z
+        .record(
+          ModelsDev.Provider.partial().extend({
+            models: z.record(ModelsDev.Model.partial()),
+            options: z.record(z.any()).optional(),
+          }),
+        )
+        .optional()
+        .describe("Custom provider configurations and model overrides"),
+      mcp: z.record(z.string(), Mcp).optional().describe("MCP (Model Context Protocol) server configurations"),
+      instructions: z.array(z.string()).optional().describe("Additional instruction files or patterns to include"),
+      layout: Layout.optional().describe("@deprecated Always uses stretch layout."),
+      experimental: z
+        .object({
+          hook: z
+            .object({
+              file_edited: z
+                .record(
+                  z.string(),
+                  z
+                    .object({
+                      command: z.string().array(),
+                      environment: z.record(z.string(), z.string()).optional(),
+                    })
+                    .array(),
+                )
+                .optional(),
+              session_completed: z
+                .object({
+                  command: z.string().array(),
+                  environment: z.record(z.string(), z.string()).optional(),
+                })
+                .array()
+                .optional(),
+            })
+            .optional(),
         })
         .optional(),
     })
     .strict()
+    .openapi({
+      ref: "Config",
+    })
 
   export type Info = z.output<typeof Info>
 
+  export const global = lazy(async () => {
+    let result = pipe(
+      {},
+      mergeDeep(await load(path.join(Global.Path.config, "config.json"))),
+      mergeDeep(await load(path.join(Global.Path.config, "opencode.json"))),
+    )
+
+    await import(path.join(Global.Path.config, "config"), {
+      with: {
+        type: "toml",
+      },
+    })
+      .then(async (mod) => {
+        const { provider, model, ...rest } = mod.default
+        if (provider && model) result.model = `${provider}/${model}`
+        result["$schema"] = "https://opencode.ai/config.json"
+        result = mergeDeep(result, rest)
+        await Bun.write(path.join(Global.Path.config, "config.json"), JSON.stringify(result, null, 2))
+        await fs.unlink(path.join(Global.Path.config, "config"))
+      })
+      .catch(() => {})
+
+    return result
+  })
+
+  async function load(configPath: string) {
+    let text = await Bun.file(configPath)
+      .text()
+      .catch((err) => {
+        if (err.code === "ENOENT") return
+        throw new JsonError({ path: configPath }, { cause: err })
+      })
+    if (!text) return {}
+
+    text = text.replace(/\{env:([^}]+)\}/g, (_, varName) => {
+      return process.env[varName] || ""
+    })
+
+    const fileMatches = text.match(/"?\{file:([^}]+)\}"?/g)
+    if (fileMatches) {
+      const configDir = path.dirname(configPath)
+      for (const match of fileMatches) {
+        const filePath = match.replace(/^"?\{file:/, "").replace(/\}"?$/, "")
+        const resolvedPath = path.isAbsolute(filePath) ? filePath : path.resolve(configDir, filePath)
+        const fileContent = await Bun.file(resolvedPath).text()
+        text = text.replace(match, JSON.stringify(fileContent))
+      }
+    }
+
+    let data: any
+    try {
+      data = JSON.parse(text)
+    } catch (err) {
+      throw new JsonError({ path: configPath }, { cause: err as Error })
+    }
+
+    const parsed = Info.safeParse(data)
+    if (parsed.success) {
+      if (!parsed.data.$schema) {
+        parsed.data.$schema = "https://opencode.ai/config.json"
+        await Bun.write(configPath, JSON.stringify(parsed.data, null, 2))
+      }
+      return parsed.data
+    }
+    throw new InvalidError({ path: configPath, issues: parsed.error.issues })
+  }
+  export const JsonError = NamedError.create(
+    "ConfigJsonError",
+    z.object({
+      path: z.string(),
+    }),
+  )
+
+  export const InvalidError = NamedError.create(
+    "ConfigInvalidError",
+    z.object({
+      path: z.string(),
+      issues: z.custom<z.ZodIssue[]>().optional(),
+    }),
+  )
+
   export function get() {
     return state()
   }
-
-  async function load(directory: string) {
-    let result: Info = {}
-    for (const file of ["opencode.jsonc", "opencode.json"]) {
-      const resolved = path.join(directory, file)
-      log.info("searching", { path: resolved })
-      try {
-        result = await import(path.join(directory, file)).then((mod) =>
-          Info.parse(mod.default),
-        )
-        log.info("found", { path: resolved })
-        break
-      } catch (e) {
-        if (e instanceof z.ZodError) {
-          for (const issue of e.issues) {
-            log.info(issue.message)
-          }
-          throw e
-        }
-        continue
-      }
-    }
-    log.info("loaded", result)
-    return result
-  }
 }

packages/opencode/src/config/hooks.ts

@@ -0,0 +1,56 @@
+import { App } from "../app/app"
+import { Bus } from "../bus"
+import { File } from "../file"
+import { Session } from "../session"
+import { Log } from "../util/log"
+import { Config } from "./config"
+import path from "path"
+
+export namespace ConfigHooks {
+  const log = Log.create({ service: "config.hooks" })
+
+  export function init() {
+    log.info("init")
+    const app = App.info()
+
+    Bus.subscribe(File.Event.Edited, async (payload) => {
+      const cfg = await Config.get()
+      const ext = path.extname(payload.properties.file)
+      for (const item of cfg.experimental?.hook?.file_edited?.[ext] ?? []) {
+        log.info("file_edited", {
+          file: payload.properties.file,
+          command: item.command,
+        })
+        Bun.spawn({
+          cmd: item.command.map((x) => x.replace("$FILE", payload.properties.file)),
+          env: item.environment,
+          cwd: app.path.cwd,
+          stdout: "ignore",
+          stderr: "ignore",
+        })
+      }
+    })
+
+    Bus.subscribe(Session.Event.Idle, async (payload) => {
+      const cfg = await Config.get()
+      if (cfg.experimental?.hook?.session_completed) {
+        const session = await Session.get(payload.properties.sessionID)
+        // Only fire hook for top-level sessions (not subagent sessions)
+        if (session.parentID) return
+
+        for (const item of cfg.experimental.hook.session_completed) {
+          log.info("session_completed", {
+            command: item.command,
+          })
+          Bun.spawn({
+            cmd: item.command,
+            cwd: App.info().path.cwd,
+            env: item.environment,
+            stdout: "ignore",
+            stderr: "ignore",
+          })
+        }
+      }
+    })
+  }
+}

packages/opencode/src/file/fzf.ts

@@ -0,0 +1,108 @@
+import path from "path"
+import { Global } from "../global"
+import fs from "fs/promises"
+import { z } from "zod"
+import { NamedError } from "../util/error"
+import { lazy } from "../util/lazy"
+import { Log } from "../util/log"
+
+export namespace Fzf {
+  const log = Log.create({ service: "fzf" })
+
+  const VERSION = "0.62.0"
+  const PLATFORM = {
+    darwin: { extension: "tar.gz" },
+    linux: { extension: "tar.gz" },
+    win32: { extension: "zip" },
+  } as const
+
+  export const ExtractionFailedError = NamedError.create(
+    "FzfExtractionFailedError",
+    z.object({
+      filepath: z.string(),
+      stderr: z.string(),
+    }),
+  )
+
+  export const UnsupportedPlatformError = NamedError.create(
+    "FzfUnsupportedPlatformError",
+    z.object({
+      platform: z.string(),
+    }),
+  )
+
+  export const DownloadFailedError = NamedError.create(
+    "FzfDownloadFailedError",
+    z.object({
+      url: z.string(),
+      status: z.number(),
+    }),
+  )
+
+  const state = lazy(async () => {
+    let filepath = Bun.which("fzf")
+    if (filepath) {
+      log.info("found", { filepath })
+      return { filepath }
+    }
+    filepath = path.join(Global.Path.bin, "fzf" + (process.platform === "win32" ? ".exe" : ""))
+
+    const file = Bun.file(filepath)
+    if (!(await file.exists())) {
+      const archMap = { x64: "amd64", arm64: "arm64" } as const
+      const arch = archMap[process.arch as keyof typeof archMap] ?? "amd64"
+
+      const config = PLATFORM[process.platform as keyof typeof PLATFORM]
+      if (!config) throw new UnsupportedPlatformError({ platform: process.platform })
+
+      const version = VERSION
+      const platformName = process.platform === "win32" ? "windows" : process.platform
+      const filename = `fzf-${version}-${platformName}_${arch}.${config.extension}`
+      const url = `https://github.com/junegunn/fzf/releases/download/v${version}/${filename}`
+
+      const response = await fetch(url)
+      if (!response.ok) throw new DownloadFailedError({ url, status: response.status })
+
+      const buffer = await response.arrayBuffer()
+      const archivePath = path.join(Global.Path.bin, filename)
+      await Bun.write(archivePath, buffer)
+      if (config.extension === "tar.gz") {
+        const proc = Bun.spawn(["tar", "-xzf", archivePath, "fzf"], {
+          cwd: Global.Path.bin,
+          stderr: "pipe",
+          stdout: "pipe",
+        })
+        await proc.exited
+        if (proc.exitCode !== 0)
+          throw new ExtractionFailedError({
+            filepath,
+            stderr: await Bun.readableStreamToText(proc.stderr),
+          })
+      }
+      if (config.extension === "zip") {
+        const proc = Bun.spawn(["unzip", "-j", archivePath, "fzf.exe", "-d", Global.Path.bin], {
+          cwd: Global.Path.bin,
+          stderr: "pipe",
+          stdout: "ignore",
+        })
+        await proc.exited
+        if (proc.exitCode !== 0)
+          throw new ExtractionFailedError({
+            filepath: archivePath,
+            stderr: await Bun.readableStreamToText(proc.stderr),
+          })
+      }
+      await fs.unlink(archivePath)
+      if (process.platform !== "win32") await fs.chmod(filepath, 0o755)
+    }
+
+    return {
+      filepath,
+    }
+  })
+
+  export async function filepath() {
+    const { filepath } = await state()
+    return filepath
+  }
+}

packages/opencode/src/file/index.ts

@@ -0,0 +1,123 @@
+import { z } from "zod"
+import { Bus } from "../bus"
+import { $ } from "bun"
+import { createPatch } from "diff"
+import path from "path"
+import * as git from "isomorphic-git"
+import { App } from "../app/app"
+import fs from "fs"
+import { Log } from "../util/log"
+
+export namespace File {
+  const log = Log.create({ service: "file" })
+
+  export const Info = z
+    .object({
+      path: z.string(),
+      added: z.number().int(),
+      removed: z.number().int(),
+      status: z.enum(["added", "deleted", "modified"]),
+    })
+    .openapi({
+      ref: "File",
+    })
+
+  export type Info = z.infer<typeof Info>
+
+  export const Event = {
+    Edited: Bus.event(
+      "file.edited",
+      z.object({
+        file: z.string(),
+      }),
+    ),
+  }
+
+  export async function status() {
+    const app = App.info()
+    if (!app.git) return []
+
+    const diffOutput = await $`git diff --numstat HEAD`.cwd(app.path.cwd).quiet().nothrow().text()
+
+    const changedFiles: Info[] = []
+
+    if (diffOutput.trim()) {
+      const lines = diffOutput.trim().split("\n")
+      for (const line of lines) {
+        const [added, removed, filepath] = line.split("\t")
+        changedFiles.push({
+          path: filepath,
+          added: added === "-" ? 0 : parseInt(added, 10),
+          removed: removed === "-" ? 0 : parseInt(removed, 10),
+          status: "modified",
+        })
+      }
+    }
+
+    const untrackedOutput = await $`git ls-files --others --exclude-standard`.cwd(app.path.cwd).quiet().nothrow().text()
+
+    if (untrackedOutput.trim()) {
+      const untrackedFiles = untrackedOutput.trim().split("\n")
+      for (const filepath of untrackedFiles) {
+        try {
+          const content = await Bun.file(path.join(app.path.root, filepath)).text()
+          const lines = content.split("\n").length
+          changedFiles.push({
+            path: filepath,
+            added: lines,
+            removed: 0,
+            status: "added",
+          })
+        } catch {
+          continue
+        }
+      }
+    }
+
+    // Get deleted files
+    const deletedOutput = await $`git diff --name-only --diff-filter=D HEAD`.cwd(app.path.cwd).quiet().nothrow().text()
+
+    if (deletedOutput.trim()) {
+      const deletedFiles = deletedOutput.trim().split("\n")
+      for (const filepath of deletedFiles) {
+        changedFiles.push({
+          path: filepath,
+          added: 0,
+          removed: 0, // Could get original line count but would require another git command
+          status: "deleted",
+        })
+      }
+    }
+
+    return changedFiles.map((x) => ({
+      ...x,
+      path: path.relative(app.path.cwd, path.join(app.path.root, x.path)),
+    }))
+  }
+
+  export async function read(file: string) {
+    using _ = log.time("read", { file })
+    const app = App.info()
+    const full = path.join(app.path.cwd, file)
+    const content = await Bun.file(full)
+      .text()
+      .catch(() => "")
+      .then((x) => x.trim())
+    if (app.git) {
+      const rel = path.relative(app.path.root, full)
+      const diff = await git.status({
+        fs,
+        dir: app.path.root,
+        filepath: rel,
+      })
+      if (diff !== "unmodified") {
+        const original = await $`git show HEAD:${rel}`.cwd(app.path.root).quiet().nothrow().text()
+        const patch = createPatch(file, original, content, "old", "new", {
+          context: Infinity,
+        })
+        return { type: "patch", content: patch }
+      }
+    }
+    return { type: "raw", content }
+  }
+}

packages/opencode/src/file/ripgrep.ts

@@ -0,0 +1,336 @@
+// Ripgrep utility functions
+import path from "path"
+import { Global } from "../global"
+import fs from "fs/promises"
+import { z } from "zod"
+import { NamedError } from "../util/error"
+import { lazy } from "../util/lazy"
+import { $ } from "bun"
+import { Fzf } from "./fzf"
+
+export namespace Ripgrep {
+  const Stats = z.object({
+    elapsed: z.object({
+      secs: z.number(),
+      nanos: z.number(),
+      human: z.string(),
+    }),
+    searches: z.number(),
+    searches_with_match: z.number(),
+    bytes_searched: z.number(),
+    bytes_printed: z.number(),
+    matched_lines: z.number(),
+    matches: z.number(),
+  })
+
+  const Begin = z.object({
+    type: z.literal("begin"),
+    data: z.object({
+      path: z.object({
+        text: z.string(),
+      }),
+    }),
+  })
+
+  export const Match = z.object({
+    type: z.literal("match"),
+    data: z
+      .object({
+        path: z.object({
+          text: z.string(),
+        }),
+        lines: z.object({
+          text: z.string(),
+        }),
+        line_number: z.number(),
+        absolute_offset: z.number(),
+        submatches: z.array(
+          z.object({
+            match: z.object({
+              text: z.string(),
+            }),
+            start: z.number(),
+            end: z.number(),
+          }),
+        ),
+      })
+      .openapi({ ref: "Match" }),
+  })
+
+  const End = z.object({
+    type: z.literal("end"),
+    data: z.object({
+      path: z.object({
+        text: z.string(),
+      }),
+      binary_offset: z.number().nullable(),
+      stats: Stats,
+    }),
+  })
+
+  const Summary = z.object({
+    type: z.literal("summary"),
+    data: z.object({
+      elapsed_total: z.object({
+        human: z.string(),
+        nanos: z.number(),
+        secs: z.number(),
+      }),
+      stats: Stats,
+    }),
+  })
+
+  const Result = z.union([Begin, Match, End, Summary])
+
+  export type Result = z.infer<typeof Result>
+  export type Match = z.infer<typeof Match>
+  export type Begin = z.infer<typeof Begin>
+  export type End = z.infer<typeof End>
+  export type Summary = z.infer<typeof Summary>
+  const PLATFORM = {
+    "arm64-darwin": { platform: "aarch64-apple-darwin", extension: "tar.gz" },
+    "arm64-linux": {
+      platform: "aarch64-unknown-linux-gnu",
+      extension: "tar.gz",
+    },
+    "x64-darwin": { platform: "x86_64-apple-darwin", extension: "tar.gz" },
+    "x64-linux": { platform: "x86_64-unknown-linux-musl", extension: "tar.gz" },
+    "x64-win32": { platform: "x86_64-pc-windows-msvc", extension: "zip" },
+  } as const
+
+  export const ExtractionFailedError = NamedError.create(
+    "RipgrepExtractionFailedError",
+    z.object({
+      filepath: z.string(),
+      stderr: z.string(),
+    }),
+  )
+
+  export const UnsupportedPlatformError = NamedError.create(
+    "RipgrepUnsupportedPlatformError",
+    z.object({
+      platform: z.string(),
+    }),
+  )
+
+  export const DownloadFailedError = NamedError.create(
+    "RipgrepDownloadFailedError",
+    z.object({
+      url: z.string(),
+      status: z.number(),
+    }),
+  )
+
+  const state = lazy(async () => {
+    let filepath = Bun.which("rg")
+    if (filepath) return { filepath }
+    filepath = path.join(Global.Path.bin, "rg" + (process.platform === "win32" ? ".exe" : ""))
+
+    const file = Bun.file(filepath)
+    if (!(await file.exists())) {
+      const platformKey = `${process.arch}-${process.platform}` as keyof typeof PLATFORM
+      const config = PLATFORM[platformKey]
+      if (!config) throw new UnsupportedPlatformError({ platform: platformKey })
+
+      const version = "14.1.1"
+      const filename = `ripgrep-${version}-${config.platform}.${config.extension}`
+      const url = `https://github.com/BurntSushi/ripgrep/releases/download/${version}/${filename}`
+
+      const response = await fetch(url)
+      if (!response.ok) throw new DownloadFailedError({ url, status: response.status })
+
+      const buffer = await response.arrayBuffer()
+      const archivePath = path.join(Global.Path.bin, filename)
+      await Bun.write(archivePath, buffer)
+      if (config.extension === "tar.gz") {
+        const args = ["tar", "-xzf", archivePath, "--strip-components=1"]
+
+        if (platformKey.endsWith("-darwin")) args.push("--include=*/rg")
+        if (platformKey.endsWith("-linux")) args.push("--wildcards", "*/rg")
+
+        const proc = Bun.spawn(args, {
+          cwd: Global.Path.bin,
+          stderr: "pipe",
+          stdout: "pipe",
+        })
+        await proc.exited
+        if (proc.exitCode !== 0)
+          throw new ExtractionFailedError({
+            filepath,
+            stderr: await Bun.readableStreamToText(proc.stderr),
+          })
+      }
+      if (config.extension === "zip") {
+        const proc = Bun.spawn(["unzip", "-j", archivePath, "*/rg.exe", "-d", Global.Path.bin], {
+          cwd: Global.Path.bin,
+          stderr: "pipe",
+          stdout: "ignore",
+        })
+        await proc.exited
+        if (proc.exitCode !== 0)
+          throw new ExtractionFailedError({
+            filepath: archivePath,
+            stderr: await Bun.readableStreamToText(proc.stderr),
+          })
+      }
+      await fs.unlink(archivePath)
+      if (!platformKey.endsWith("-win32")) await fs.chmod(filepath, 0o755)
+    }
+
+    return {
+      filepath,
+    }
+  })
+
+  export async function filepath() {
+    const { filepath } = await state()
+    return filepath
+  }
+
+  export async function files(input: { cwd: string; query?: string; glob?: string[]; limit?: number }) {
+    const commands = [`${$.escape(await filepath())} --files --follow --hidden --glob='!.git/*'`]
+
+    if (input.glob) {
+      for (const g of input.glob) {
+        commands[0] += ` --glob='${g}'`
+      }
+    }
+
+    if (input.query) commands.push(`${await Fzf.filepath()} --filter=${input.query}`)
+    if (input.limit) commands.push(`head -n ${input.limit}`)
+    const joined = commands.join(" | ")
+    const result = await $`${{ raw: joined }}`.cwd(input.cwd).nothrow().text()
+    return result.split("\n").filter(Boolean)
+  }
+
+  export async function tree(input: { cwd: string; limit?: number }) {
+    const files = await Ripgrep.files({ cwd: input.cwd })
+    interface Node {
+      path: string[]
+      children: Node[]
+    }
+
+    function getPath(node: Node, parts: string[], create: boolean) {
+      if (parts.length === 0) return node
+      let current = node
+      for (const part of parts) {
+        let existing = current.children.find((x) => x.path.at(-1) === part)
+        if (!existing) {
+          if (!create) return
+          existing = {
+            path: current.path.concat(part),
+            children: [],
+          }
+          current.children.push(existing)
+        }
+        current = existing
+      }
+      return current
+    }
+
+    const root: Node = {
+      path: [],
+      children: [],
+    }
+    for (const file of files) {
+      const parts = file.split(path.sep)
+      getPath(root, parts, true)
+    }
+
+    function sort(node: Node) {
+      node.children.sort((a, b) => {
+        if (!a.children.length && b.children.length) return 1
+        if (!b.children.length && a.children.length) return -1
+        return a.path.at(-1)!.localeCompare(b.path.at(-1)!)
+      })
+      for (const child of node.children) {
+        sort(child)
+      }
+    }
+    sort(root)
+
+    let current = [root]
+    const result: Node = {
+      path: [],
+      children: [],
+    }
+
+    let processed = 0
+    const limit = input.limit ?? 50
+    while (current.length > 0) {
+      const next = []
+      for (const node of current) {
+        if (node.children.length) next.push(...node.children)
+      }
+      const max = Math.max(...current.map((x) => x.children.length))
+      for (let i = 0; i < max && processed < limit; i++) {
+        for (const node of current) {
+          const child = node.children[i]
+          if (!child) continue
+          getPath(result, child.path, true)
+          processed++
+          if (processed >= limit) break
+        }
+      }
+      if (processed >= limit) {
+        for (const node of [...current, ...next]) {
+          const compare = getPath(result, node.path, false)
+          if (!compare) continue
+          if (compare?.children.length !== node.children.length) {
+            const diff = node.children.length - compare.children.length
+            compare.children.push({
+              path: compare.path.concat(`[${diff} truncated]`),
+              children: [],
+            })
+          }
+        }
+        break
+      }
+      current = next
+    }
+
+    const lines: string[] = []
+
+    function render(node: Node, depth: number) {
+      const indent = "\t".repeat(depth)
+      lines.push(indent + node.path.at(-1) + (node.children.length ? "/" : ""))
+      for (const child of node.children) {
+        render(child, depth + 1)
+      }
+    }
+    result.children.map((x) => render(x, 0))
+
+    return lines.join("\n")
+  }
+
+  export async function search(input: { cwd: string; pattern: string; glob?: string[]; limit?: number }) {
+    const args = [`${await filepath()}`, "--json", "--hidden", "--glob='!.git/*'"]
+
+    if (input.glob) {
+      for (const g of input.glob) {
+        args.push(`--glob=${g}`)
+      }
+    }
+
+    if (input.limit) {
+      args.push(`--max-count=${input.limit}`)
+    }
+
+    args.push(input.pattern)
+
+    const command = args.join(" ")
+    const result = await $`${{ raw: command }}`.cwd(input.cwd).quiet().nothrow()
+    if (result.exitCode !== 0) {
+      return []
+    }
+
+    const lines = result.text().trim().split("\n").filter(Boolean)
+    // Parse JSON lines from ripgrep output
+
+    return lines
+      .map((line) => JSON.parse(line))
+      .map((parsed) => Result.parse(parsed))
+      .filter((r) => r.type === "match")
+      .map((r) => r.data)
+  }
+}

packages/opencode/src/file/time.ts

@@ -0,0 +1,38 @@
+import { App } from "../app/app"
+import { Log } from "../util/log"
+
+export namespace FileTime {
+  const log = Log.create({ service: "file.time" })
+  export const state = App.state("tool.filetimes", () => {
+    const read: {
+      [sessionID: string]: {
+        [path: string]: Date | undefined
+      }
+    } = {}
+    return {
+      read,
+    }
+  })
+
+  export function read(sessionID: string, file: string) {
+    log.info("read", { sessionID, file })
+    const { read } = state()
+    read[sessionID] = read[sessionID] || {}
+    read[sessionID][file] = new Date()
+  }
+
+  export function get(sessionID: string, file: string) {
+    return state().read[sessionID]?.[file]
+  }
+
+  export async function assert(sessionID: string, filepath: string) {
+    const time = get(sessionID, filepath)
+    if (!time) throw new Error(`You must read the file ${filepath} before overwriting it. Use the Read tool first`)
+    const stats = await Bun.file(filepath).stat()
+    if (stats.mtime.getTime() > time.getTime()) {
+      throw new Error(
+        `File ${filepath} has been modified since it was last read.\nLast modification: ${stats.mtime.toISOString()}\nLast read: ${time.toISOString()}\n\nPlease read the file again before modifying it.`,
+      )
+    }
+  }
+}

packages/opencode/src/file/watch.ts

@@ -0,0 +1,52 @@
+import { z } from "zod"
+import { Bus } from "../bus"
+import fs from "fs"
+import { App } from "../app/app"
+import { Log } from "../util/log"
+import { Flag } from "../flag/flag"
+
+export namespace FileWatcher {
+  const log = Log.create({ service: "file.watcher" })
+
+  export const Event = {
+    Updated: Bus.event(
+      "file.watcher.updated",
+      z.object({
+        file: z.string(),
+        event: z.union([z.literal("rename"), z.literal("change")]),
+      }),
+    ),
+  }
+  const state = App.state(
+    "file.watcher",
+    () => {
+      const app = App.use()
+      if (!app.info.git) return {}
+      try {
+        const watcher = fs.watch(app.info.path.cwd, { recursive: true }, (event, file) => {
+          log.info("change", { file, event })
+          if (!file) return
+          // for some reason async local storage is lost here
+          // https://github.com/oven-sh/bun/issues/20754
+          App.provideExisting(app, async () => {
+            Bus.publish(Event.Updated, {
+              file,
+              event,
+            })
+          })
+        })
+        return { watcher }
+      } catch {
+        return {}
+      }
+    },
+    async (state) => {
+      state.watcher?.close()
+    },
+  )
+
+  export function init() {
+    if (Flag.OPENCODE_DISABLE_WATCHER || true) return
+    state()
+  }
+}

packages/opencode/src/flag/flag.ts

@@ -0,0 +1,9 @@
+export namespace Flag {
+  export const OPENCODE_AUTO_SHARE = truthy("OPENCODE_AUTO_SHARE")
+  export const OPENCODE_DISABLE_WATCHER = truthy("OPENCODE_DISABLE_WATCHER")
+
+  function truthy(key: string) {
+    const value = process.env[key]?.toLowerCase()
+    return value === "true" || value === "1"
+  }
+}

packages/opencode/src/format/formatter.ts

@@ -0,0 +1,159 @@
+import { App } from "../app/app"
+import { BunProc } from "../bun"
+import { Filesystem } from "../util/filesystem"
+import path from "path"
+
+export interface Info {
+  name: string
+  command: string[]
+  environment?: Record<string, string>
+  extensions: string[]
+  enabled(): Promise<boolean>
+}
+
+export const gofmt: Info = {
+  name: "gofmt",
+  command: ["gofmt", "-w", "$FILE"],
+  extensions: [".go"],
+  async enabled() {
+    return Bun.which("gofmt") !== null
+  },
+}
+
+export const mix: Info = {
+  name: "mix",
+  command: ["mix", "format", "$FILE"],
+  extensions: [".ex", ".exs", ".eex", ".heex", ".leex", ".neex", ".sface"],
+  async enabled() {
+    return Bun.which("mix") !== null
+  },
+}
+
+export const prettier: Info = {
+  name: "prettier",
+  command: [BunProc.which(), "x", "prettier", "--write", "$FILE"],
+  environment: {
+    BUN_BE_BUN: "1",
+  },
+  extensions: [
+    ".js",
+    ".jsx",
+    ".mjs",
+    ".cjs",
+    ".ts",
+    ".tsx",
+    ".mts",
+    ".cts",
+    ".html",
+    ".htm",
+    ".css",
+    ".scss",
+    ".sass",
+    ".less",
+    ".vue",
+    ".svelte",
+    ".json",
+    ".jsonc",
+    ".yaml",
+    ".yml",
+    ".toml",
+    ".xml",
+    ".md",
+    ".mdx",
+    ".graphql",
+    ".gql",
+  ],
+  async enabled() {
+    const app = App.info()
+    const nms = await Filesystem.findUp("node_modules", app.path.cwd, app.path.root)
+    for (const item of nms) {
+      if (await Bun.file(path.join(item, ".bin", "prettier")).exists()) return true
+    }
+    return false
+  },
+}
+
+export const zig: Info = {
+  name: "zig",
+  command: ["zig", "fmt", "$FILE"],
+  extensions: [".zig", ".zon"],
+  async enabled() {
+    return Bun.which("zig") !== null
+  },
+}
+
+export const clang: Info = {
+  name: "clang-format",
+  command: ["clang-format", "-i", "$FILE"],
+  extensions: [".c", ".cc", ".cpp", ".cxx", ".c++", ".h", ".hh", ".hpp", ".hxx", ".h++", ".ino", ".C", ".H"],
+  async enabled() {
+    return Bun.which("clang-format") !== null
+  },
+}
+
+export const ktlint: Info = {
+  name: "ktlint",
+  command: ["ktlint", "-F", "$FILE"],
+  extensions: [".kt", ".kts"],
+  async enabled() {
+    return Bun.which("ktlint") !== null
+  },
+}
+
+export const ruff: Info = {
+  name: "ruff",
+  command: ["ruff", "format", "$FILE"],
+  extensions: [".py", ".pyi"],
+  async enabled() {
+    if (!Bun.which("ruff")) return false
+    const app = App.info()
+    const configs = ["pyproject.toml", "ruff.toml", ".ruff.toml"]
+    for (const config of configs) {
+      const found = await Filesystem.findUp(config, app.path.cwd, app.path.root)
+      if (found.length > 0) {
+        if (config === "pyproject.toml") {
+          const content = await Bun.file(found[0]).text()
+          if (content.includes("[tool.ruff]")) return true
+        } else {
+          return true
+        }
+      }
+    }
+    const deps = ["requirements.txt", "pyproject.toml", "Pipfile"]
+    for (const dep of deps) {
+      const found = await Filesystem.findUp(dep, app.path.cwd, app.path.root)
+      if (found.length > 0) {
+        const content = await Bun.file(found[0]).text()
+        if (content.includes("ruff")) return true
+      }
+    }
+    return false
+  },
+}
+
+export const rubocop: Info = {
+  name: "rubocop",
+  command: ["rubocop", "--autocorrect", "$FILE"],
+  extensions: [".rb", ".rake", ".gemspec", ".ru"],
+  async enabled() {
+    return Bun.which("rubocop") !== null
+  },
+}
+
+export const standardrb: Info = {
+  name: "standardrb",
+  command: ["standardrb", "--fix", "$FILE"],
+  extensions: [".rb", ".rake", ".gemspec", ".ru"],
+  async enabled() {
+    return Bun.which("standardrb") !== null
+  },
+}
+
+export const htmlbeautifier: Info = {
+  name: "htmlbeautifier",
+  command: ["htmlbeautifier", "$FILE"],
+  extensions: [".erb", ".html.erb"],
+  async enabled() {
+    return Bun.which("htmlbeautifier") !== null
+  },
+}

packages/opencode/src/format/index.ts

@@ -0,0 +1,65 @@
+import { App } from "../app/app"
+import { Bus } from "../bus"
+import { File } from "../file"
+import { Log } from "../util/log"
+import path from "path"
+
+import * as Formatter from "./formatter"
+
+export namespace Format {
+  const log = Log.create({ service: "format" })
+
+  const state = App.state("format", () => {
+    const enabled: Record<string, boolean> = {}
+
+    return {
+      enabled,
+    }
+  })
+
+  async function isEnabled(item: Formatter.Info) {
+    const s = state()
+    let status = s.enabled[item.name]
+    if (status === undefined) {
+      status = await item.enabled()
+      s.enabled[item.name] = status
+    }
+    return status
+  }
+
+  async function getFormatter(ext: string) {
+    const result = []
+    for (const item of Object.values(Formatter)) {
+      if (!item.extensions.includes(ext)) continue
+      if (!(await isEnabled(item))) continue
+      result.push(item)
+    }
+    return result
+  }
+
+  export function init() {
+    log.info("init")
+    Bus.subscribe(File.Event.Edited, async (payload) => {
+      const file = payload.properties.file
+      log.info("formatting", { file })
+      const ext = path.extname(file)
+
+      for (const item of await getFormatter(ext)) {
+        log.info("running", { command: item.command })
+        const proc = Bun.spawn({
+          cmd: item.command.map((x) => x.replace("$FILE", file)),
+          cwd: App.info().path.cwd,
+          env: item.environment,
+          stdout: "ignore",
+          stderr: "ignore",
+        })
+        const exit = await proc.exited
+        if (exit !== 0)
+          log.error("failed", {
+            command: item.command,
+            ...item.environment,
+          })
+      }
+    })
+  }
+}

packages/opencode/src/global/index.ts

@@ -1,20 +1,39 @@
-import envpaths from "env-paths"
 import fs from "fs/promises"
-const paths = envpaths("opencode", {
-  suffix: "",
-})
+import { xdgData, xdgCache, xdgConfig, xdgState } from "xdg-basedir"
+import path from "path"
 
-await Promise.all([
-  fs.mkdir(paths.config, { recursive: true }),
-  fs.mkdir(paths.cache, { recursive: true }),
-])
+const app = "opencode"
+
+const data = path.join(xdgData!, app)
+const cache = path.join(xdgCache!, app)
+const config = path.join(xdgConfig!, app)
+const state = path.join(xdgState!, app)
 
 export namespace Global {
-  export function config() {
-    return paths.config
-  }
-
-  export function cache() {
-    return paths.cache
-  }
+  export const Path = {
+    data,
+    bin: path.join(data, "bin"),
+    providers: path.join(config, "providers"),
+    cache,
+    config,
+    state,
+  } as const
+}
+
+await Promise.all([
+  fs.mkdir(Global.Path.data, { recursive: true }),
+  fs.mkdir(Global.Path.config, { recursive: true }),
+  fs.mkdir(Global.Path.providers, { recursive: true }),
+  fs.mkdir(Global.Path.state, { recursive: true }),
+])
+
+const CACHE_VERSION = "3"
+
+const version = await Bun.file(path.join(Global.Path.cache, "version"))
+  .text()
+  .catch(() => "0")
+
+if (version !== CACHE_VERSION) {
+  await fs.rm(Global.Path.cache, { recursive: true, force: true })
+  await Bun.file(path.join(Global.Path.cache, "version")).write(CACHE_VERSION)
 }

packages/opencode/src/id/id.ts

@@ -5,6 +5,8 @@ export namespace Identifier {
   const prefixes = {
     session: "ses",
     message: "msg",
+    user: "usr",
+    part: "prt",
   } as const
 
   export function schema(prefix: keyof typeof prefixes) {
@@ -25,11 +27,7 @@ export namespace Identifier {
     return generateID(prefix, true, given)
   }
 
-  function generateID(
-    prefix: keyof typeof prefixes,
-    descending: boolean,
-    given?: string,
-  ): string {
+  function generateID(prefix: keyof typeof prefixes, descending: boolean, given?: string): string {
     if (!given) {
       return generateNewID(prefix, descending)
     }
@@ -40,10 +38,17 @@ export namespace Identifier {
     return given
   }
 
-  function generateNewID(
-    prefix: keyof typeof prefixes,
-    descending: boolean,
-  ): string {
+  function randomBase62(length: number): string {
+    const chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+    let result = ""
+    const bytes = randomBytes(length)
+    for (let i = 0; i < length; i++) {
+      result += chars[bytes[i] % 62]
+    }
+    return result
+  }
+
+  function generateNewID(prefix: keyof typeof prefixes, descending: boolean): string {
     const currentTimestamp = Date.now()
 
     if (currentTimestamp !== lastTimestamp) {
@@ -61,14 +66,6 @@ export namespace Identifier {
       timeBytes[i] = Number((now >> BigInt(40 - 8 * i)) & BigInt(0xff))
     }
 
-    const randLength = (LENGTH - 12) / 2
-    const random = randomBytes(randLength)
-
-    return (
-      prefixes[prefix] +
-      "_" +
-      timeBytes.toString("hex") +
-      random.toString("hex")
-    )
+    return prefixes[prefix] + "_" + timeBytes.toString("hex") + randomBase62(LENGTH - 12)
   }
 }

packages/opencode/src/index.ts

@@ -1,119 +1,124 @@
 import "zod-openapi/extend"
-import { App } from "./app/app"
-import { Server } from "./server/server"
-import fs from "fs/promises"
-import path from "path"
-import { Bus } from "./bus"
-import { Session } from "./session/session"
-import cac from "cac"
-import { Share } from "./share/share"
-import { Message } from "./session/message"
-import { Global } from "./global"
-import { Provider } from "./provider/provider"
+import yargs from "yargs"
+import { hideBin } from "yargs/helpers"
+import { RunCommand } from "./cli/cmd/run"
+import { GenerateCommand } from "./cli/cmd/generate"
+import { Log } from "./util/log"
+import { AuthCommand } from "./cli/cmd/auth"
+import { UpgradeCommand } from "./cli/cmd/upgrade"
+import { ModelsCommand } from "./cli/cmd/models"
+import { UI } from "./cli/ui"
+import { Installation } from "./installation"
+import { NamedError } from "./util/error"
+import { FormatError } from "./cli/error"
+import { ServeCommand } from "./cli/cmd/serve"
+import { TuiCommand } from "./cli/cmd/tui"
+import { DebugCommand } from "./cli/cmd/debug"
+import { StatsCommand } from "./cli/cmd/stats"
+import { McpCommand } from "./cli/cmd/mcp"
+import { InstallGithubCommand } from "./cli/cmd/install-github"
+import { Trace } from "./trace"
 
-declare global {
-  const OPENCODE_VERSION: string
+Trace.init()
+
+const cancel = new AbortController()
+
+process.on("unhandledRejection", (e) => {
+  Log.Default.error("rejection", {
+    e: e instanceof Error ? e.message : e,
+  })
+})
+
+process.on("uncaughtException", (e) => {
+  Log.Default.error("exception", {
+    e: e instanceof Error ? e.message : e,
+  })
+})
+
+const cli = yargs(hideBin(process.argv))
+  .scriptName("opencode")
+  .help("help", "show help")
+  .version("version", "show version number", Installation.VERSION)
+  .alias("version", "v")
+  .option("print-logs", {
+    describe: "print logs to stderr",
+    type: "boolean",
+  })
+  .option("log-level", {
+    describe: "log level",
+    type: "string",
+    choices: ["DEBUG", "INFO", "WARN", "ERROR"],
+  })
+  .middleware(async (opts) => {
+    await Log.init({
+      print: process.argv.includes("--print-logs"),
+      dev: Installation.isDev(),
+      level: (() => {
+        if (opts.logLevel) return opts.logLevel as Log.Level
+        if (Installation.isDev()) return "DEBUG"
+        return "INFO"
+      })(),
+    })
+
+    Log.Default.info("opencode", {
+      version: Installation.VERSION,
+      args: process.argv.slice(2),
+    })
+  })
+  .usage("\n" + UI.logo())
+  .command(McpCommand)
+  .command(TuiCommand)
+  .command(RunCommand)
+  .command(GenerateCommand)
+  .command(DebugCommand)
+  .command(AuthCommand)
+  .command(UpgradeCommand)
+  .command(ServeCommand)
+  .command(ModelsCommand)
+  .command(StatsCommand)
+  .command(InstallGithubCommand)
+  .fail((msg) => {
+    if (msg.startsWith("Unknown argument") || msg.startsWith("Not enough non-option arguments")) {
+      cli.showHelp("log")
+    }
+  })
+  .strict()
+
+try {
+  await cli.parse()
+} catch (e) {
+  let data: Record<string, any> = {}
+  if (e instanceof NamedError) {
+    const obj = e.toObject()
+    Object.assign(data, {
+      ...obj.data,
+    })
+  }
+
+  if (e instanceof Error) {
+    Object.assign(data, {
+      name: e.name,
+      message: e.message,
+      cause: e.cause?.toString(),
+    })
+  }
+
+  if (e instanceof ResolveMessage) {
+    Object.assign(data, {
+      name: e.name,
+      message: e.message,
+      code: e.code,
+      specifier: e.specifier,
+      referrer: e.referrer,
+      position: e.position,
+      importKind: e.importKind,
+    })
+  }
+  Log.Default.error("fatal", data)
+  const formatted = FormatError(e)
+  if (formatted) UI.error(formatted)
+  if (formatted === undefined) UI.error("Unexpected error, check log file at " + Log.file() + " for more details")
+  process.exitCode = 1
 }
 
-const cli = cac("opencode")
-
-cli.command("", "Start the opencode in interactive mode").action(async () => {
-  await App.provide({ directory: process.cwd() }, async () => {
-    await Share.init()
-    const server = Server.listen()
-
-    let cmd = ["go", "run", "./main.go"]
-    let cwd = "../tui"
-    if (Bun.embeddedFiles.length > 0) {
-      const blob = Bun.embeddedFiles[0] as File
-      const binary = path.join(Global.cache(), "tui", blob.name)
-      const file = Bun.file(binary)
-      if (!(await file.exists())) {
-        console.log("installing tui binary...")
-        await Bun.write(file, blob, { mode: 0o755 })
-        await fs.chmod(binary, 0o755)
-      }
-      cwd = process.cwd()
-      cmd = [binary]
-    }
-    const proc = Bun.spawn({
-      cmd,
-      cwd,
-      stdout: "inherit",
-      stderr: "inherit",
-      stdin: "inherit",
-      onExit: () => {
-        server.stop()
-      },
-    })
-    await proc.exited
-    await server.stop()
-  })
-})
-
-cli.command("generate", "Generate OpenAPI and event specs").action(async () => {
-  const specs = await Server.openapi()
-  const dir = "gen"
-  await fs.rmdir(dir, { recursive: true }).catch(() => {})
-  await fs.mkdir(dir, { recursive: true })
-  await Bun.write(
-    path.join(dir, "openapi.json"),
-    JSON.stringify(specs, null, 2),
-  )
-})
-
-cli
-  .command("run [...message]", "Run a chat message")
-  .option("--session <id>", "Session ID")
-  .action(async (message: string[], options) => {
-    await App.provide({ directory: process.cwd() }, async () => {
-      await Share.init()
-      const session = options.session
-        ? await Session.get(options.session)
-        : await Session.create()
-      console.log("Session:", session.id)
-
-      Bus.subscribe(Message.Event.Updated, async (message) => {
-        console.log("Thinking...")
-      })
-
-      const unsub = Bus.subscribe(Session.Event.Updated, async (message) => {
-        if (message.properties.info.share?.url)
-          console.log("Share:", message.properties.info.share.url)
-        unsub()
-      })
-
-      const [provider] = await Provider.active().then((val) =>
-        val.values().toArray(),
-      )
-      if (!provider) throw new Error("no providers found")
-      const model = provider.models[0]
-      if (!model) throw new Error("no models found")
-      console.log("using", provider.id, model.id)
-      const result = await Session.chat({
-        sessionID: session.id,
-        providerID: provider.id,
-        modelID: model.id,
-        parts: [
-          {
-            type: "text",
-            text: message.join(" "),
-          },
-        ],
-      })
-
-      for (const part of result.parts) {
-        if (part.type === "text") {
-          console.log("opencode:", part.text)
-        }
-      }
-      console.log({
-        cost: result.metadata.assistant?.cost,
-        tokens: result.metadata.assistant?.tokens,
-      })
-    })
-  })
-
-cli.version(typeof OPENCODE_VERSION === "string" ? OPENCODE_VERSION : "dev")
-cli.help()
-cli.parse()
+cancel.abort()

packages/opencode/src/installation/index.ts

@@ -0,0 +1,151 @@
+import path from "path"
+import { $ } from "bun"
+import { z } from "zod"
+import { NamedError } from "../util/error"
+import { Bus } from "../bus"
+import { Log } from "../util/log"
+
+declare global {
+  const OPENCODE_VERSION: string
+}
+
+export namespace Installation {
+  const log = Log.create({ service: "installation" })
+
+  export type Method = Awaited<ReturnType<typeof method>>
+
+  export const Event = {
+    Updated: Bus.event(
+      "installation.updated",
+      z.object({
+        version: z.string(),
+      }),
+    ),
+  }
+
+  export const Info = z
+    .object({
+      version: z.string(),
+      latest: z.string(),
+    })
+    .openapi({
+      ref: "InstallationInfo",
+    })
+  export type Info = z.infer<typeof Info>
+
+  export async function info() {
+    return {
+      version: VERSION,
+      latest: await latest(),
+    }
+  }
+
+  export function isSnapshot() {
+    return VERSION.startsWith("0.0.0")
+  }
+
+  export function isDev() {
+    return VERSION === "dev"
+  }
+
+  export async function method() {
+    if (process.execPath.includes(path.join(".opencode", "bin"))) return "curl"
+    const exec = process.execPath.toLowerCase()
+
+    const checks = [
+      {
+        name: "npm" as const,
+        command: () => $`npm list -g --depth=0`.throws(false).text(),
+      },
+      {
+        name: "yarn" as const,
+        command: () => $`yarn global list`.throws(false).text(),
+      },
+      {
+        name: "pnpm" as const,
+        command: () => $`pnpm list -g --depth=0`.throws(false).text(),
+      },
+      {
+        name: "bun" as const,
+        command: () => $`bun pm ls -g`.throws(false).text(),
+      },
+      {
+        name: "brew" as const,
+        command: () => $`brew list --formula opencode-ai`.throws(false).text(),
+      },
+    ]
+
+    checks.sort((a, b) => {
+      const aMatches = exec.includes(a.name)
+      const bMatches = exec.includes(b.name)
+      if (aMatches && !bMatches) return -1
+      if (!aMatches && bMatches) return 1
+      return 0
+    })
+
+    for (const check of checks) {
+      const output = await check.command()
+      if (output.includes("opencode-ai")) {
+        return check.name
+      }
+    }
+
+    return "unknown"
+  }
+
+  export const UpgradeFailedError = NamedError.create(
+    "UpgradeFailedError",
+    z.object({
+      stderr: z.string(),
+    }),
+  )
+
+  export async function upgrade(method: Method, target: string) {
+    const cmd = (() => {
+      switch (method) {
+        case "curl":
+          return $`curl -fsSL https://opencode.ai/install | bash`.env({
+            ...process.env,
+            VERSION: target,
+          })
+        case "npm":
+          return $`npm install -g opencode-ai@${target}`
+        case "pnpm":
+          return $`pnpm install -g opencode-ai@${target}`
+        case "bun":
+          return $`bun install -g opencode-ai@${target}`
+        case "brew":
+          return $`brew install sst/tap/opencode`.env({
+            HOMEBREW_NO_AUTO_UPDATE: "1",
+          })
+        default:
+          throw new Error(`Unknown method: ${method}`)
+      }
+    })()
+    const result = await cmd.quiet().throws(false)
+    log.info("upgraded", {
+      method,
+      target,
+      stdout: result.stdout.toString(),
+      stderr: result.stderr.toString(),
+    })
+    if (result.exitCode !== 0)
+      throw new UpgradeFailedError({
+        stderr: result.stderr.toString("utf8"),
+      })
+  }
+
+  export const VERSION = typeof OPENCODE_VERSION === "string" ? OPENCODE_VERSION : "dev"
+
+  export async function latest() {
+    return fetch("https://api.github.com/repos/sst/opencode/releases/latest")
+      .then((res) => res.json())
+      .then((data) => {
+        if (typeof data.tag_name !== "string") {
+          log.error("GitHub API error", data)
+          throw new Error("failed to fetch latest version")
+        }
+        return data.tag_name.slice(1) as string
+      })
+  }
+}

packages/opencode/src/lsp/client.ts

@@ -1,24 +1,29 @@
-import { spawn } from "child_process"
 import path from "path"
-import {
-  createMessageConnection,
-  StreamMessageReader,
-  StreamMessageWriter,
-} from "vscode-jsonrpc/node"
+import { createMessageConnection, StreamMessageReader, StreamMessageWriter } from "vscode-jsonrpc/node"
 import type { Diagnostic as VSCodeDiagnostic } from "vscode-languageserver-types"
 import { App } from "../app/app"
 import { Log } from "../util/log"
 import { LANGUAGE_EXTENSIONS } from "./language"
 import { Bus } from "../bus"
 import z from "zod"
+import type { LSPServer } from "./server"
+import { NamedError } from "../util/error"
+import { withTimeout } from "../util/timeout"
 
 export namespace LSPClient {
   const log = Log.create({ service: "lsp.client" })
 
-  export type Info = Awaited<ReturnType<typeof create>>
+  export type Info = NonNullable<Awaited<ReturnType<typeof create>>>
 
   export type Diagnostic = VSCodeDiagnostic
 
+  export const InitializeError = NamedError.create(
+    "LSPInitializeError",
+    z.object({
+      serverID: z.string(),
+    }),
+  )
+
   export const Event = {
     Diagnostics: Bus.event(
       "lsp.client.diagnostics",
@@ -29,101 +34,88 @@ export namespace LSPClient {
     ),
   }
 
-  export async function create(input: { cmd: string[]; serverID: string }) {
-    log.info("starting client", input)
-
-    const app = await App.use()
-    const [command, ...args] = input.cmd
-    const server = spawn(command, args, {
-      stdio: ["pipe", "pipe", "pipe"],
-      cwd: app.root,
-    })
+  export async function create(input: { serverID: string; server: LSPServer.Handle; root: string }) {
+    const app = App.info()
+    const l = log.clone().tag("serverID", input.serverID)
+    l.info("starting client")
 
     const connection = createMessageConnection(
-      new StreamMessageReader(server.stdout),
-      new StreamMessageWriter(server.stdin),
+      new StreamMessageReader(input.server.process.stdout),
+      new StreamMessageWriter(input.server.process.stdin),
     )
 
     const diagnostics = new Map<string, Diagnostic[]>()
     connection.onNotification("textDocument/publishDiagnostics", (params) => {
       const path = new URL(params.uri).pathname
-      log.info("textDocument/publishDiagnostics", {
+      l.info("textDocument/publishDiagnostics", {
         path,
       })
       const exists = diagnostics.has(path)
       diagnostics.set(path, params.diagnostics)
-      // servers seem to send one blank publishDiagnostics event before the first real one
-      if (!exists && !params.diagnostics.length) return
+      if (!exists && input.serverID === "typescript") return
       Bus.publish(Event.Diagnostics, { path, serverID: input.serverID })
     })
+    connection.onRequest("window/workDoneProgress/create", (params) => {
+      l.info("window/workDoneProgress/create", params)
+      return null
+    })
+    connection.onRequest("workspace/configuration", async () => {
+      return [{}]
+    })
     connection.listen()
 
-    await connection.sendRequest("initialize", {
-      processId: server.pid,
-      initializationOptions: {
+    l.info("sending initialize")
+    await withTimeout(
+      connection.sendRequest("initialize", {
+        rootUri: "file://" + input.root,
+        processId: input.server.process.pid,
         workspaceFolders: [
           {
             name: "workspace",
-            uri: "file://" + app.root,
+            uri: "file://" + input.root,
           },
         ],
-        tsserver: {
-          path: require.resolve("typescript/lib/tsserver.js"),
+        initializationOptions: {
+          ...input.server.initialization,
         },
-      },
-      capabilities: {
-        workspace: {
-          configuration: true,
-          didChangeConfiguration: {
-            dynamicRegistration: true,
+        capabilities: {
+          window: {
+            workDoneProgress: true,
           },
-          didChangeWatchedFiles: {
-            dynamicRegistration: true,
-            relativePatternSupport: true,
+          workspace: {
+            configuration: true,
           },
-        },
-        textDocument: {
-          synchronization: {
-            dynamicRegistration: true,
-            didSave: true,
-          },
-          completion: {
-            completionItem: {},
-          },
-          codeLens: {
-            dynamicRegistration: true,
-          },
-          documentSymbol: {},
-          codeAction: {
-            codeActionLiteralSupport: {
-              codeActionKind: {
-                valueSet: [],
-              },
+          textDocument: {
+            synchronization: {
+              didOpen: true,
+              didChange: true,
+            },
+            publishDiagnostics: {
+              versionSupport: true,
             },
           },
-          publishDiagnostics: {
-            versionSupport: true,
-          },
-          semanticTokens: {
-            requests: {
-              range: {},
-              full: {},
-            },
-            tokenTypes: [],
-            tokenModifiers: [],
-            formats: [],
-          },
         },
-        window: {},
-      },
+      }),
+      5_000,
+    ).catch((err) => {
+      l.error("initialize error", { error: err })
+      throw new InitializeError(
+        { serverID: input.serverID },
+        {
+          cause: err,
+        },
+      )
     })
-    await connection.sendNotification("initialized", {})
-    log.info("initialized")
 
-    const files = new Set<string>()
+    await connection.sendNotification("initialized", {})
+
+    const files: {
+      [path: string]: number
+    } = {}
 
     const result = {
-      get clientID() {
+      root: input.root,
+      get serverID() {
         return input.serverID
       },
       get connection() {
@@ -131,78 +123,69 @@ export namespace LSPClient {
       },
       notify: {
         async open(input: { path: string }) {
+          input.path = path.isAbsolute(input.path) ? input.path : path.resolve(app.path.cwd, input.path)
           const file = Bun.file(input.path)
           const text = await file.text()
-          const opened = files.has(input.path)
-          if (!opened) {
-            log.info("textDocument/didOpen", input)
+          const version = files[input.path]
+          if (version !== undefined) {
             diagnostics.delete(input.path)
-            const extension = path.extname(input.path)
-            const languageId = LANGUAGE_EXTENSIONS[extension] ?? "plaintext"
-            await connection.sendNotification("textDocument/didOpen", {
+            await connection.sendNotification("textDocument/didClose", {
               textDocument: {
                 uri: `file://` + input.path,
-                languageId,
-                version: Date.now(),
-                text,
               },
             })
-            files.add(input.path)
-            return
           }
-
-          log.info("textDocument/didChange", input)
+          log.info("textDocument/didOpen", input)
           diagnostics.delete(input.path)
-          await connection.sendNotification("textDocument/didChange", {
+          const extension = path.extname(input.path)
+          const languageId = LANGUAGE_EXTENSIONS[extension] ?? "plaintext"
+          await connection.sendNotification("textDocument/didOpen", {
             textDocument: {
               uri: `file://` + input.path,
-              version: Date.now(),
+              languageId,
+              version: 0,
+              text,
             },
-            contentChanges: [
-              {
-                text,
-              },
-            ],
           })
+          files[input.path] = 0
+          return
         },
       },
       get diagnostics() {
         return diagnostics
       },
       async waitForDiagnostics(input: { path: string }) {
+        input.path = path.isAbsolute(input.path) ? input.path : path.resolve(app.path.cwd, input.path)
         log.info("waiting for diagnostics", input)
         let unsub: () => void
-        let timeout: NodeJS.Timeout
-        return await Promise.race([
-          new Promise<void>(async (resolve) => {
+        return await withTimeout(
+          new Promise<void>((resolve) => {
             unsub = Bus.subscribe(Event.Diagnostics, (event) => {
-              if (
-                event.properties.path === input.path &&
-                event.properties.serverID === result.clientID
-              ) {
+              if (event.properties.path === input.path && event.properties.serverID === result.serverID) {
                 log.info("got diagnostics", input)
-                clearTimeout(timeout)
                 unsub?.()
                 resolve()
               }
             })
           }),
-          new Promise<void>((resolve) => {
-            timeout = setTimeout(() => {
-              log.info("timed out refreshing diagnostics", input)
-              unsub?.()
-              resolve()
-            }, 5000)
-          }),
-        ])
+          3000,
+        )
+          .catch(() => {})
+          .finally(() => {
+            unsub?.()
+          })
       },
       async shutdown() {
-        log.info("shutting down")
+        l.info("shutting down")
         connection.end()
         connection.dispose()
+        input.server.process.kill()
+        l.info("shutdown")
       },
     }
 
+    l.info("initialized")
+
     return result
   }
 }

packages/opencode/src/lsp/index.ts

@@ -2,42 +2,113 @@ import { App } from "../app/app"
 import { Log } from "../util/log"
 import { LSPClient } from "./client"
 import path from "path"
+import { LSPServer } from "./server"
+import { z } from "zod"
 
 export namespace LSP {
   const log = Log.create({ service: "lsp" })
 
+  export const Range = z
+    .object({
+      start: z.object({
+        line: z.number(),
+        character: z.number(),
+      }),
+      end: z.object({
+        line: z.number(),
+        character: z.number(),
+      }),
+    })
+    .openapi({
+      ref: "Range",
+    })
+  export type Range = z.infer<typeof Range>
+
+  export const Symbol = z
+    .object({
+      name: z.string(),
+      kind: z.number(),
+      location: z.object({
+        uri: z.string(),
+        range: Range,
+      }),
+    })
+    .openapi({
+      ref: "Symbol",
+    })
+  export type Symbol = z.infer<typeof Symbol>
+
+  export const DocumentSymbol = z
+    .object({
+      name: z.string(),
+      detail: z.string().optional(),
+      kind: z.number(),
+      range: Range,
+      selectionRange: Range,
+    })
+    .openapi({
+      ref: "DocumentSymbol",
+    })
+  export type DocumentSymbol = z.infer<typeof DocumentSymbol>
+
   const state = App.state(
     "lsp",
     async () => {
-      log.info("initializing")
-      const clients = new Map<string, LSPClient.Info>()
-
+      const clients: LSPClient.Info[] = []
       return {
+        broken: new Set<string>(),
         clients,
       }
     },
     async (state) => {
-      for (const client of state.clients.values()) {
+      for (const client of state.clients) {
         await client.shutdown()
       }
     },
   )
 
-  export async function file(input: string) {
-    const extension = path.parse(input).ext
+  export async function init() {
+    return state()
+  }
+
+  async function getClients(file: string) {
     const s = await state()
-    const matches = AUTO.filter((x) => x.extensions.includes(extension))
-    for (const match of matches) {
-      const existing = s.clients.get(match.id)
-      if (existing) continue
+    const extension = path.parse(file).ext
+    const result: LSPClient.Info[] = []
+    for (const server of Object.values(LSPServer)) {
+      if (!server.extensions.includes(extension)) continue
+      const root = await server.root(file, App.info())
+      if (!root) continue
+      if (s.broken.has(root + server.id)) continue
+
+      const match = s.clients.find((x) => x.root === root && x.serverID === server.id)
+      if (match) {
+        result.push(match)
+        continue
+      }
+      const handle = await server.spawn(App.info(), root)
+      if (!handle) continue
       const client = await LSPClient.create({
-        cmd: match.command,
-        serverID: match.id,
+        serverID: server.id,
+        server: handle,
+        root,
+      }).catch((err) => {
+        s.broken.add(root + server.id)
+        handle.process.kill()
+        log.error("", { error: err })
       })
-      s.clients.set(match.id, client)
+      if (!client) continue
+      s.clients.push(client)
+      result.push(client)
     }
+    return result
+  }
+
+  export async function touchFile(input: string, waitForDiagnostics?: boolean) {
+    const clients = await getClients(input)
     await run(async (client) => {
-      const wait = client.waitForDiagnostics({ path: input })
+      if (!clients.includes(client)) return
+      const wait = waitForDiagnostics ? client.waitForDiagnostics({ path: input }) : Promise.resolve()
       await client.notify.open({ path: input })
       return wait
     })
@@ -55,11 +126,7 @@ export namespace LSP {
     return results
   }
 
-  export async function hover(input: {
-    file: string
-    line: number
-    character: number
-  }) {
+  export async function hover(input: { file: string; line: number; character: number }) {
     return run((client) => {
       return client.connection.sendRequest("textDocument/hover", {
         textDocument: {
@@ -73,45 +140,78 @@ export namespace LSP {
     })
   }
 
-  async function run<T>(
-    input: (client: LSPClient.Info) => Promise<T>,
-  ): Promise<T[]> {
-    const clients = await state().then((x) => [...x.clients.values()])
+  enum SymbolKind {
+    File = 1,
+    Module = 2,
+    Namespace = 3,
+    Package = 4,
+    Class = 5,
+    Method = 6,
+    Property = 7,
+    Field = 8,
+    Constructor = 9,
+    Enum = 10,
+    Interface = 11,
+    Function = 12,
+    Variable = 13,
+    Constant = 14,
+    String = 15,
+    Number = 16,
+    Boolean = 17,
+    Array = 18,
+    Object = 19,
+    Key = 20,
+    Null = 21,
+    EnumMember = 22,
+    Struct = 23,
+    Event = 24,
+    Operator = 25,
+    TypeParameter = 26,
+  }
+
+  const kinds = [
+    SymbolKind.Class,
+    SymbolKind.Function,
+    SymbolKind.Method,
+    SymbolKind.Interface,
+    SymbolKind.Variable,
+    SymbolKind.Constant,
+    SymbolKind.Struct,
+    SymbolKind.Enum,
+  ]
+
+  export async function workspaceSymbol(query: string) {
+    return run((client) =>
+      client.connection
+        .sendRequest("workspace/symbol", {
+          query,
+        })
+        .then((result: any) => result.filter((x: LSP.Symbol) => kinds.includes(x.kind)))
+        .then((result: any) => result.slice(0, 10))
+        .catch(() => []),
+    ).then((result) => result.flat() as LSP.Symbol[])
+  }
+
+  export async function documentSymbol(uri: string) {
+    return run((client) =>
+      client.connection
+        .sendRequest("textDocument/documentSymbol", {
+          textDocument: {
+            uri,
+          },
+        })
+        .catch(() => []),
+    )
+      .then((result) => result.flat() as (LSP.DocumentSymbol | LSP.Symbol)[])
+      .then((result) => result.filter(Boolean))
+  }
+
+  async function run<T>(input: (client: LSPClient.Info) => Promise<T>): Promise<T[]> {
+    const clients = await state().then((x) => x.clients)
     const tasks = clients.map((x) => input(x))
     return Promise.all(tasks)
   }
 
-  const AUTO: {
-    id: string
-    command: string[]
-    extensions: string[]
-    install?: () => Promise<void>
-  }[] = [
-    {
-      id: "typescript",
-      command: ["bun", "x", "typescript-language-server", "--stdio"],
-      extensions: [
-        ".ts",
-        ".tsx",
-        ".js",
-        ".jsx",
-        ".mjs",
-        ".cjs",
-        ".mts",
-        ".cts",
-        ".mtsx",
-        ".ctsx",
-      ],
-    },
-    /*
-    {
-      id: "golang",
-      command: ["gopls"],
-      extensions: [".go"],
-    },
-    */
-  ]
-
   export namespace Diagnostic {
     export function pretty(diagnostic: LSPClient.Diagnostic) {
       const severityMap = {

packages/opencode/src/lsp/language.ts

@@ -63,6 +63,14 @@ export const LANGUAGE_EXTENSIONS: Record<string, string> = {
   ".cshtml": "razor",
   ".razor": "razor",
   ".rb": "ruby",
+  ".rake": "ruby",
+  ".gemspec": "ruby",
+  ".ru": "ruby",
+  ".erb": "erb",
+  ".html.erb": "erb",
+  ".js.erb": "erb",
+  ".css.erb": "erb",
+  ".json.erb": "erb",
   ".rs": "rust",
   ".scss": "scss",
   ".sass": "sass",
@@ -86,4 +94,6 @@ export const LANGUAGE_EXTENSIONS: Record<string, string> = {
   ".yml": "yaml",
   ".mjs": "javascript",
   ".cjs": "javascript",
+  ".zig": "zig",
+  ".zon": "zig",
 } as const

packages/opencode/src/lsp/server.ts

@@ -0,0 +1,325 @@
+import { spawn, type ChildProcessWithoutNullStreams } from "child_process"
+import type { App } from "../app/app"
+import path from "path"
+import { Global } from "../global"
+import { Log } from "../util/log"
+import { BunProc } from "../bun"
+import { $ } from "bun"
+import fs from "fs/promises"
+import { Filesystem } from "../util/filesystem"
+
+export namespace LSPServer {
+  const log = Log.create({ service: "lsp.server" })
+
+  export interface Handle {
+    process: ChildProcessWithoutNullStreams
+    initialization?: Record<string, any>
+  }
+
+  type RootFunction = (file: string, app: App.Info) => Promise<string | undefined>
+
+  const NearestRoot = (patterns: string[]): RootFunction => {
+    return async (file, app) => {
+      const files = Filesystem.up({
+        targets: patterns,
+        start: path.dirname(file),
+        stop: app.path.root,
+      })
+      const first = await files.next()
+      await files.return()
+      if (!first.value) return app.path.root
+      return path.dirname(first.value)
+    }
+  }
+
+  export interface Info {
+    id: string
+    extensions: string[]
+    global?: boolean
+    root: RootFunction
+    spawn(app: App.Info, root: string): Promise<Handle | undefined>
+  }
+
+  export const Typescript: Info = {
+    id: "typescript",
+    root: NearestRoot(["tsconfig.json", "package.json", "jsconfig.json"]),
+    extensions: [".ts", ".tsx", ".js", ".jsx", ".mjs", ".cjs", ".mts", ".cts"],
+    async spawn(app, root) {
+      const tsserver = await Bun.resolve("typescript/lib/tsserver.js", app.path.cwd).catch(() => {})
+      if (!tsserver) return
+      const proc = spawn(BunProc.which(), ["x", "typescript-language-server", "--stdio"], {
+        cwd: root,
+        env: {
+          ...process.env,
+          BUN_BE_BUN: "1",
+        },
+      })
+      return {
+        process: proc,
+        initialization: {
+          tsserver: {
+            path: tsserver,
+          },
+        },
+      }
+    },
+  }
+
+  export const Gopls: Info = {
+    id: "golang",
+    root: async (file, app) => {
+      const work = await NearestRoot(["go.work"])(file, app)
+      if (work) return work
+      return NearestRoot(["go.mod", "go.sum"])(file, app)
+    },
+    extensions: [".go"],
+    async spawn(_, root) {
+      let bin = Bun.which("gopls", {
+        PATH: process.env["PATH"] + ":" + Global.Path.bin,
+      })
+      if (!bin) {
+        if (!Bun.which("go")) return
+        log.info("installing gopls")
+        const proc = Bun.spawn({
+          cmd: ["go", "install", "golang.org/x/tools/gopls@latest"],
+          env: { ...process.env, GOBIN: Global.Path.bin },
+          stdout: "pipe",
+          stderr: "pipe",
+          stdin: "pipe",
+        })
+        const exit = await proc.exited
+        if (exit !== 0) {
+          log.error("Failed to install gopls")
+          return
+        }
+        bin = path.join(Global.Path.bin, "gopls" + (process.platform === "win32" ? ".exe" : ""))
+        log.info(`installed gopls`, {
+          bin,
+        })
+      }
+      return {
+        process: spawn(bin!, {
+          cwd: root,
+        }),
+      }
+    },
+  }
+
+  export const RubyLsp: Info = {
+    id: "ruby-lsp",
+    root: NearestRoot(["Gemfile"]),
+    extensions: [".rb", ".rake", ".gemspec", ".ru"],
+    async spawn(_, root) {
+      let bin = Bun.which("ruby-lsp", {
+        PATH: process.env["PATH"] + ":" + Global.Path.bin,
+      })
+      if (!bin) {
+        const ruby = Bun.which("ruby")
+        const gem = Bun.which("gem")
+        if (!ruby || !gem) {
+          log.info("Ruby not found, please install Ruby first")
+          return
+        }
+        log.info("installing ruby-lsp")
+        const proc = Bun.spawn({
+          cmd: ["gem", "install", "ruby-lsp", "--bindir", Global.Path.bin],
+          stdout: "pipe",
+          stderr: "pipe",
+          stdin: "pipe",
+        })
+        const exit = await proc.exited
+        if (exit !== 0) {
+          log.error("Failed to install ruby-lsp")
+          return
+        }
+        bin = path.join(Global.Path.bin, "ruby-lsp" + (process.platform === "win32" ? ".exe" : ""))
+        log.info(`installed ruby-lsp`, {
+          bin,
+        })
+      }
+      return {
+        process: spawn(bin!, ["--stdio"], {
+          cwd: root,
+        }),
+      }
+    },
+  }
+
+  export const Pyright: Info = {
+    id: "pyright",
+    extensions: [".py", ".pyi"],
+    root: NearestRoot(["pyproject.toml", "setup.py", "setup.cfg", "requirements.txt", "Pipfile", "pyrightconfig.json"]),
+    async spawn(_, root) {
+      const proc = spawn(BunProc.which(), ["x", "pyright-langserver", "--stdio"], {
+        cwd: root,
+        env: {
+          ...process.env,
+          BUN_BE_BUN: "1",
+        },
+      })
+      return {
+        process: proc,
+      }
+    },
+  }
+
+  export const ElixirLS: Info = {
+    id: "elixir-ls",
+    extensions: [".ex", ".exs"],
+    root: NearestRoot(["mix.exs", "mix.lock"]),
+    async spawn(_, root) {
+      let binary = Bun.which("elixir-ls")
+      if (!binary) {
+        const elixirLsPath = path.join(Global.Path.bin, "elixir-ls")
+        binary = path.join(
+          Global.Path.bin,
+          "elixir-ls-master",
+          "release",
+          process.platform === "win32" ? "language_server.bar" : "language_server.sh",
+        )
+
+        if (!(await Bun.file(binary).exists())) {
+          const elixir = Bun.which("elixir")
+          if (!elixir) {
+            log.error("elixir is required to run elixir-ls")
+            return
+          }
+
+          log.info("downloading elixir-ls from GitHub releases")
+
+          const response = await fetch("https://github.com/elixir-lsp/elixir-ls/archive/refs/heads/master.zip")
+          if (!response.ok) return
+          const zipPath = path.join(Global.Path.bin, "elixir-ls.zip")
+          await Bun.file(zipPath).write(response)
+
+          await $`unzip -o -q ${zipPath}`.cwd(Global.Path.bin).nothrow()
+
+          await fs.rm(zipPath, {
+            force: true,
+            recursive: true,
+          })
+
+          await $`mix deps.get && mix compile && mix elixir_ls.release2 -o release`
+            .quiet()
+            .cwd(path.join(Global.Path.bin, "elixir-ls-master"))
+            .env({ MIX_ENV: "prod", ...process.env })
+
+          log.info(`installed elixir-ls`, {
+            path: elixirLsPath,
+          })
+        }
+      }
+
+      return {
+        process: spawn(binary, {
+          cwd: root,
+        }),
+      }
+    },
+  }
+
+  export const Zls: Info = {
+    id: "zls",
+    extensions: [".zig", ".zon"],
+    root: NearestRoot(["build.zig"]),
+    async spawn(_, root) {
+      let bin = Bun.which("zls", {
+        PATH: process.env["PATH"] + ":" + Global.Path.bin,
+      })
+
+      if (!bin) {
+        const zig = Bun.which("zig")
+        if (!zig) {
+          log.error("Zig is required to use zls. Please install Zig first.")
+          return
+        }
+
+        log.info("downloading zls from GitHub releases")
+
+        const releaseResponse = await fetch("https://api.github.com/repos/zigtools/zls/releases/latest")
+        if (!releaseResponse.ok) {
+          log.error("Failed to fetch zls release info")
+          return
+        }
+
+        const release = await releaseResponse.json()
+
+        const platform = process.platform
+        const arch = process.arch
+        let assetName = ""
+
+        let zlsArch: string = arch
+        if (arch === "arm64") zlsArch = "aarch64"
+        else if (arch === "x64") zlsArch = "x86_64"
+        else if (arch === "ia32") zlsArch = "x86"
+
+        let zlsPlatform: string = platform
+        if (platform === "darwin") zlsPlatform = "macos"
+        else if (platform === "win32") zlsPlatform = "windows"
+
+        const ext = platform === "win32" ? "zip" : "tar.xz"
+
+        assetName = `zls-${zlsArch}-${zlsPlatform}.${ext}`
+
+        const supportedCombos = [
+          "zls-x86_64-linux.tar.xz",
+          "zls-x86_64-macos.tar.xz",
+          "zls-x86_64-windows.zip",
+          "zls-aarch64-linux.tar.xz",
+          "zls-aarch64-macos.tar.xz",
+          "zls-aarch64-windows.zip",
+          "zls-x86-linux.tar.xz",
+          "zls-x86-windows.zip",
+        ]
+
+        if (!supportedCombos.includes(assetName)) {
+          log.error(`Platform ${platform} and architecture ${arch} is not supported by zls`)
+          return
+        }
+
+        const asset = release.assets.find((a: any) => a.name === assetName)
+        if (!asset) {
+          log.error(`Could not find asset ${assetName} in latest zls release`)
+          return
+        }
+
+        const downloadUrl = asset.browser_download_url
+        const downloadResponse = await fetch(downloadUrl)
+        if (!downloadResponse.ok) {
+          log.error("Failed to download zls")
+          return
+        }
+
+        const tempPath = path.join(Global.Path.bin, assetName)
+        await Bun.file(tempPath).write(downloadResponse)
+
+        if (ext === "zip") {
+          await $`unzip -o -q ${tempPath}`.cwd(Global.Path.bin).nothrow()
+        } else {
+          await $`tar -xf ${tempPath}`.cwd(Global.Path.bin).nothrow()
+        }
+
+        await fs.rm(tempPath, { force: true })
+
+        bin = path.join(Global.Path.bin, "zls" + (platform === "win32" ? ".exe" : ""))
+
+        if (!(await Bun.file(bin).exists())) {
+          log.error("Failed to extract zls binary")
+          return
+        }
+
+        if (platform !== "win32") {
+          await $`chmod +x ${bin}`.nothrow()
+        }
+
+        log.info(`installed zls`, { bin })
+      }
+
+      return {
+        process: spawn(bin, {
+          cwd: root,
+        }),
+      }
+    },
+  }
+}

packages/opencode/src/mcp/index.ts

@@ -0,0 +1,111 @@
+import { experimental_createMCPClient, type Tool } from "ai"
+import { Experimental_StdioMCPTransport } from "ai/mcp-stdio"
+import { App } from "../app/app"
+import { Config } from "../config/config"
+import { Log } from "../util/log"
+import { NamedError } from "../util/error"
+import { z } from "zod"
+import { Session } from "../session"
+import { Bus } from "../bus"
+
+export namespace MCP {
+  const log = Log.create({ service: "mcp" })
+
+  export const Failed = NamedError.create(
+    "MCPFailed",
+    z.object({
+      name: z.string(),
+    }),
+  )
+
+  const state = App.state(
+    "mcp",
+    async () => {
+      const cfg = await Config.get()
+      const clients: {
+        [name: string]: Awaited<ReturnType<typeof experimental_createMCPClient>>
+      } = {}
+      for (const [key, mcp] of Object.entries(cfg.mcp ?? {})) {
+        if (mcp.enabled === false) {
+          log.info("mcp server disabled", { key })
+          continue
+        }
+        log.info("found", { key, type: mcp.type })
+        if (mcp.type === "remote") {
+          const client = await experimental_createMCPClient({
+            name: key,
+            transport: {
+              type: "sse",
+              url: mcp.url,
+              headers: mcp.headers,
+            },
+          }).catch(() => {})
+          if (!client) {
+            Bus.publish(Session.Event.Error, {
+              error: {
+                name: "UnknownError",
+                data: {
+                  message: `MCP server ${key} failed to start`,
+                },
+              },
+            })
+            continue
+          }
+          clients[key] = client
+        }
+
+        if (mcp.type === "local") {
+          const [cmd, ...args] = mcp.command
+          const client = await experimental_createMCPClient({
+            name: key,
+            transport: new Experimental_StdioMCPTransport({
+              stderr: "ignore",
+              command: cmd,
+              args,
+              env: {
+                ...process.env,
+                ...(cmd === "opencode" ? { BUN_BE_BUN: "1" } : {}),
+                ...mcp.environment,
+              },
+            }),
+          }).catch(() => {})
+          if (!client) {
+            Bus.publish(Session.Event.Error, {
+              error: {
+                name: "UnknownError",
+                data: {
+                  message: `MCP server ${key} failed to start`,
+                },
+              },
+            })
+            continue
+          }
+          clients[key] = client
+        }
+      }
+
+      return {
+        clients,
+      }
+    },
+    async (state) => {
+      for (const client of Object.values(state.clients)) {
+        client.close()
+      }
+    },
+  )
+
+  export async function clients() {
+    return state().then((state) => state.clients)
+  }
+
+  export async function tools() {
+    const result: Record<string, Tool> = {}
+    for (const [clientName, client] of Object.entries(await clients())) {
+      for (const [toolName, tool] of Object.entries(await client.tools())) {
+        result[clientName + "_" + toolName] = tool
+      }
+    }
+    return result
+  }
+}

packages/opencode/src/permission/index.ts

@@ -0,0 +1,136 @@
+import { App } from "../app/app"
+import { z } from "zod"
+import { Bus } from "../bus"
+import { Log } from "../util/log"
+
+export namespace Permission {
+  const log = Log.create({ service: "permission" })
+
+  export const Info = z
+    .object({
+      id: z.string(),
+      sessionID: z.string(),
+      title: z.string(),
+      metadata: z.record(z.any()),
+      time: z.object({
+        created: z.number(),
+      }),
+    })
+    .openapi({
+      ref: "permission.info",
+    })
+  export type Info = z.infer<typeof Info>
+
+  export const Event = {
+    Updated: Bus.event("permission.updated", Info),
+  }
+
+  const state = App.state(
+    "permission",
+    () => {
+      const pending: {
+        [sessionID: string]: {
+          [permissionID: string]: {
+            info: Info
+            resolve: () => void
+            reject: (e: any) => void
+          }
+        }
+      } = {}
+
+      const approved: {
+        [sessionID: string]: {
+          [permissionID: string]: Info
+        }
+      } = {}
+
+      return {
+        pending,
+        approved,
+      }
+    },
+    async (state) => {
+      for (const pending of Object.values(state.pending)) {
+        for (const item of Object.values(pending)) {
+          item.reject(new RejectedError(item.info.sessionID, item.info.id))
+        }
+      }
+    },
+  )
+
+  export function ask(input: {
+    id: Info["id"]
+    sessionID: Info["sessionID"]
+    title: Info["title"]
+    metadata: Info["metadata"]
+  }) {
+    return
+    const { pending, approved } = state()
+    log.info("asking", {
+      sessionID: input.sessionID,
+      permissionID: input.id,
+    })
+    if (approved[input.sessionID]?.[input.id]) {
+      log.info("previously approved", {
+        sessionID: input.sessionID,
+        permissionID: input.id,
+      })
+      return
+    }
+    const info: Info = {
+      id: input.id,
+      sessionID: input.sessionID,
+      title: input.title,
+      metadata: input.metadata,
+      time: {
+        created: Date.now(),
+      },
+    }
+    pending[input.sessionID] = pending[input.sessionID] || {}
+    return new Promise<void>((resolve, reject) => {
+      pending[input.sessionID][input.id] = {
+        info,
+        resolve,
+        reject,
+      }
+      setTimeout(() => {
+        respond({
+          sessionID: input.sessionID,
+          permissionID: input.id,
+          response: "always",
+        })
+      }, 1000)
+      Bus.publish(Event.Updated, info)
+    })
+  }
+
+  export function respond(input: {
+    sessionID: Info["sessionID"]
+    permissionID: Info["id"]
+    response: "once" | "always" | "reject"
+  }) {
+    log.info("response", input)
+    const { pending, approved } = state()
+    const match = pending[input.sessionID]?.[input.permissionID]
+    if (!match) return
+    delete pending[input.sessionID][input.permissionID]
+    if (input.response === "reject") {
+      match.reject(new RejectedError(input.sessionID, input.permissionID))
+      return
+    }
+    match.resolve()
+    if (input.response === "always") {
+      approved[input.sessionID] = approved[input.sessionID] || {}
+      approved[input.sessionID][input.permissionID] = match.info
+    }
+  }
+
+  export class RejectedError extends Error {
+    constructor(
+      public readonly sessionID: string,
+      public readonly permissionID: string,
+    ) {
+      super(`The user rejected permission to use this functionality`)
+    }
+  }
+}

packages/opencode/src/provider/database.ts

@@ -1,62 +0,0 @@
-import type { Provider } from "./provider"
-
-export const PROVIDER_DATABASE: Provider.Info[] = [
-  {
-    id: "anthropic",
-    name: "Anthropic",
-    models: [
-      {
-        id: "claude-sonnet-4-20250514",
-        name: "Claude Sonnet 4",
-        cost: {
-          input: 3.0 / 1_000_000,
-          output: 15.0 / 1_000_000,
-          inputCached: 3.75 / 1_000_000,
-          outputCached: 0.3 / 1_000_000,
-        },
-        contextWindow: 200_000,
-        maxOutputTokens: 50_000,
-        attachment: true,
-      },
-    ],
-  },
-  {
-    id: "openai",
-    name: "OpenAI",
-    models: [
-      {
-        id: "codex-mini-latest",
-        name: "Codex Mini",
-        cost: {
-          input: 1.5 / 1_000_000,
-          inputCached: 0.375 / 1_000_000,
-          output: 6.0 / 1_000_000,
-          outputCached: 0.0 / 1_000_000,
-        },
-        contextWindow: 200_000,
-        maxOutputTokens: 100_000,
-        attachment: true,
-        reasoning: true,
-      },
-    ],
-  },
-  {
-    id: "google",
-    name: "Google",
-    models: [
-      {
-        id: "gemini-2.5-pro-preview-03-25",
-        name: "Gemini 2.5 Pro",
-        cost: {
-          input: 1.25 / 1_000_000,
-          inputCached: 0 / 1_000_000,
-          output: 10 / 1_000_000,
-          outputCached: 0 / 1_000_000,
-        },
-        contextWindow: 1_000_000,
-        maxOutputTokens: 50_000,
-        attachment: true,
-      },
-    ],
-  },
-]

packages/opencode/src/provider/models-macro.ts

@@ -0,0 +1,4 @@
+export async function data() {
+  const json = await fetch("https://models.dev/api.json").then((x) => x.text())
+  return json
+}

packages/opencode/src/provider/models.ts

@@ -0,0 +1,70 @@
+import { Global } from "../global"
+import { Log } from "../util/log"
+import path from "path"
+import { z } from "zod"
+import { data } from "./models-macro" with { type: "macro" }
+
+export namespace ModelsDev {
+  const log = Log.create({ service: "models.dev" })
+  const filepath = path.join(Global.Path.cache, "models.json")
+
+  export const Model = z
+    .object({
+      id: z.string(),
+      name: z.string(),
+      release_date: z.string(),
+      attachment: z.boolean(),
+      reasoning: z.boolean(),
+      temperature: z.boolean(),
+      tool_call: z.boolean(),
+      cost: z.object({
+        input: z.number(),
+        output: z.number(),
+        cache_read: z.number().optional(),
+        cache_write: z.number().optional(),
+      }),
+      limit: z.object({
+        context: z.number(),
+        output: z.number(),
+      }),
+      options: z.record(z.any()),
+    })
+    .openapi({
+      ref: "Model",
+    })
+  export type Model = z.infer<typeof Model>
+
+  export const Provider = z
+    .object({
+      api: z.string().optional(),
+      name: z.string(),
+      env: z.array(z.string()),
+      id: z.string(),
+      npm: z.string().optional(),
+      models: z.record(Model),
+    })
+    .openapi({
+      ref: "Provider",
+    })
+
+  export type Provider = z.infer<typeof Provider>
+
+  export async function get() {
+    const file = Bun.file(filepath)
+    const result = await file.json().catch(() => {})
+    if (result) {
+      refresh()
+      return result as Record<string, Provider>
+    }
+    refresh()
+    const json = await data()
+    return JSON.parse(json) as Record<string, Provider>
+  }
+
+  async function refresh() {
+    const file = Bun.file(filepath)
+    log.info("refreshing")
+    const result = await fetch("https://models.dev/api.json").catch(() => {})
+    if (result && result.ok) await Bun.write(file, result)
+  }
+}

packages/opencode/src/provider/provider.ts

@@ -1,78 +1,348 @@
 import z from "zod"
 import { App } from "../app/app"
 import { Config } from "../config/config"
-import { PROVIDER_DATABASE } from "./database"
+import { mergeDeep, sortBy } from "remeda"
 import { NoSuchModelError, type LanguageModel, type Provider as SDK } from "ai"
 import { Log } from "../util/log"
-import path from "path"
-import { Global } from "../global"
 import { BunProc } from "../bun"
 import { BashTool } from "../tool/bash"
 import { EditTool } from "../tool/edit"
-import { FetchTool } from "../tool/fetch"
+import { WebFetchTool } from "../tool/webfetch"
 import { GlobTool } from "../tool/glob"
 import { GrepTool } from "../tool/grep"
 import { ListTool } from "../tool/ls"
-import { LspDiagnosticTool } from "../tool/lsp-diagnostics"
-import { LspHoverTool } from "../tool/lsp-hover"
 import { PatchTool } from "../tool/patch"
-import { ViewTool } from "../tool/view"
+import { ReadTool } from "../tool/read"
 import type { Tool } from "../tool/tool"
+import { WriteTool } from "../tool/write"
+import { TodoReadTool, TodoWriteTool } from "../tool/todo"
+import { AuthAnthropic } from "../auth/anthropic"
+import { AuthCopilot } from "../auth/copilot"
+import { ModelsDev } from "./models"
+import { NamedError } from "../util/error"
+import { Auth } from "../auth"
+import { TaskTool } from "../tool/task"
 
 export namespace Provider {
   const log = Log.create({ service: "provider" })
 
-  export const Model = z
-    .object({
-      id: z.string(),
-      name: z.string().optional(),
-      cost: z.object({
-        input: z.number(),
-        inputCached: z.number(),
-        output: z.number(),
-        outputCached: z.number(),
-      }),
-      contextWindow: z.number(),
-      maxOutputTokens: z.number().optional(),
-      attachment: z.boolean(),
-      reasoning: z.boolean().optional(),
-    })
-    .openapi({
-      ref: "Provider.Model",
-    })
-  export type Model = z.output<typeof Model>
+  type CustomLoader = (
+    provider: ModelsDev.Provider,
+    api?: string,
+  ) => Promise<{
+    autoload: boolean
+    getModel?: (sdk: any, modelID: string) => Promise<any>
+    options?: Record<string, any>
+  }>
 
-  export const Info = z
-    .object({
-      id: z.string(),
-      name: z.string(),
-      options: z.record(z.string(), z.any()).optional(),
-      models: Model.array(),
-    })
-    .openapi({
-      ref: "Provider.Info",
-    })
-  export type Info = z.output<typeof Info>
+  type Source = "env" | "config" | "custom" | "api"
 
-  const AUTODETECT: Record<string, string[]> = {
-    anthropic: ["ANTHROPIC_API_KEY"],
-    openai: ["OPENAI_API_KEY"],
-    google: ["GOOGLE_GENERATIVE_AI_API_KEY", "GEMINI_API_KEY"],
+  const CUSTOM_LOADERS: Record<string, CustomLoader> = {
+    async anthropic(provider) {
+      const access = await AuthAnthropic.access()
+      if (!access) return { autoload: false }
+      for (const model of Object.values(provider.models)) {
+        model.cost = {
+          input: 0,
+          output: 0,
+        }
+      }
+      return {
+        autoload: true,
+        options: {
+          apiKey: "",
+          async fetch(input: any, init: any) {
+            const access = await AuthAnthropic.access()
+            const headers = {
+              ...init.headers,
+              authorization: `Bearer ${access}`,
+              "anthropic-beta": "oauth-2025-04-20",
+            }
+            delete headers["x-api-key"]
+            return fetch(input, {
+              ...init,
+              headers,
+            })
+          },
+        },
+      }
+    },
+    "github-copilot": async (provider) => {
+      const copilot = await AuthCopilot()
+      if (!copilot) return { autoload: false }
+      let info = await Auth.get("github-copilot")
+      if (!info || info.type !== "oauth") return { autoload: false }
+
+      if (provider && provider.models) {
+        for (const model of Object.values(provider.models)) {
+          model.cost = {
+            input: 0,
+            output: 0,
+          }
+        }
+      }
+
+      return {
+        autoload: true,
+        options: {
+          apiKey: "",
+          async fetch(input: any, init: any) {
+            const info = await Auth.get("github-copilot")
+            if (!info || info.type !== "oauth") return
+            if (!info.access || info.expires < Date.now()) {
+              const tokens = await copilot.access(info.refresh)
+              if (!tokens) throw new Error("GitHub Copilot authentication expired")
+              await Auth.set("github-copilot", {
+                type: "oauth",
+                ...tokens,
+              })
+              info.access = tokens.access
+            }
+            let isAgentCall = false
+            let isVisionRequest = false
+            try {
+              const body = typeof init.body === "string" ? JSON.parse(init.body) : init.body
+              if (body?.messages) {
+                isAgentCall = body.messages.some((msg: any) => msg.role && ["tool", "assistant"].includes(msg.role))
+                isVisionRequest = body.messages.some(
+                  (msg: any) =>
+                    Array.isArray(msg.content) && msg.content.some((part: any) => part.type === "image_url"),
+                )
+              }
+            } catch {}
+            const headers: Record<string, string> = {
+              ...init.headers,
+              ...copilot.HEADERS,
+              Authorization: `Bearer ${info.access}`,
+              "Openai-Intent": "conversation-edits",
+              "X-Initiator": isAgentCall ? "agent" : "user",
+            }
+            if (isVisionRequest) {
+              headers["Copilot-Vision-Request"] = "true"
+            }
+            delete headers["x-api-key"]
+            return fetch(input, {
+              ...init,
+              headers,
+            })
+          },
+        },
+      }
+    },
+    openai: async () => {
+      return {
+        autoload: false,
+        async getModel(sdk: any, modelID: string) {
+          return sdk.responses(modelID)
+        },
+        options: {},
+      }
+    },
+    "amazon-bedrock": async () => {
+      if (!process.env["AWS_PROFILE"] && !process.env["AWS_ACCESS_KEY_ID"] && !process.env["AWS_BEARER_TOKEN_BEDROCK"])
+        return { autoload: false }
+
+      const region = process.env["AWS_REGION"] ?? "us-east-1"
+
+      const { fromNodeProviderChain } = await import(await BunProc.install("@aws-sdk/credential-providers"))
+      return {
+        autoload: true,
+        options: {
+          region,
+          credentialProvider: fromNodeProviderChain(),
+        },
+        async getModel(sdk: any, modelID: string) {
+          let regionPrefix = region.split("-")[0]
+
+          switch (regionPrefix) {
+            case "us": {
+              const modelRequiresPrefix = ["claude", "deepseek"].some((m) => modelID.includes(m))
+              if (modelRequiresPrefix) {
+                modelID = `${regionPrefix}.${modelID}`
+              }
+              break
+            }
+            case "eu": {
+              const regionRequiresPrefix = [
+                "eu-west-1",
+                "eu-west-3",
+                "eu-north-1",
+                "eu-central-1",
+                "eu-south-1",
+                "eu-south-2",
+              ].some((r) => region.includes(r))
+              const modelRequiresPrefix = ["claude", "nova-lite", "nova-micro", "llama3", "pixtral"].some((m) =>
+                modelID.includes(m),
+              )
+              if (regionRequiresPrefix && modelRequiresPrefix) {
+                modelID = `${regionPrefix}.${modelID}`
+              }
+              break
+            }
+            case "ap": {
+              const modelRequiresPrefix = ["claude", "nova-lite", "nova-micro", "nova-pro"].some((m) =>
+                modelID.includes(m),
+              )
+              if (modelRequiresPrefix) {
+                regionPrefix = "apac"
+                modelID = `${regionPrefix}.${modelID}`
+              }
+              break
+            }
+          }
+
+          return sdk.languageModel(modelID)
+        },
+      }
+    },
+    openrouter: async () => {
+      return {
+        autoload: false,
+        options: {
+          headers: {
+            "HTTP-Referer": "https://opencode.ai/",
+            "X-Title": "opencode",
+          },
+        },
+      }
+    },
   }
 
   const state = App.state("provider", async () => {
     const config = await Config.get()
-    const providers = new Map<string, Info>()
-    const models = new Map<string, { info: Model; language: LanguageModel }>()
+    const database = await ModelsDev.get()
+
+    const providers: {
+      [providerID: string]: {
+        source: Source
+        info: ModelsDev.Provider
+        getModel?: (sdk: any, modelID: string) => Promise<any>
+        options: Record<string, any>
+      }
+    } = {}
+    const models = new Map<string, { info: ModelsDev.Model; language: LanguageModel }>()
     const sdk = new Map<string, SDK>()
 
-    for (const item of PROVIDER_DATABASE) {
-      if (!AUTODETECT[item.id].some((env) => process.env[env])) continue
-      providers.set(item.id, item)
+    log.info("init")
+
+    function mergeProvider(
+      id: string,
+      options: Record<string, any>,
+      source: Source,
+      getModel?: (sdk: any, modelID: string) => Promise<any>,
+    ) {
+      const provider = providers[id]
+      if (!provider) {
+        const info = database[id]
+        if (!info) return
+        if (info.api && !options["baseURL"]) options["baseURL"] = info.api
+        providers[id] = {
+          source,
+          info,
+          options,
+          getModel,
+        }
+        return
+      }
+      provider.options = mergeDeep(provider.options, options)
+      provider.source = source
+      provider.getModel = getModel ?? provider.getModel
     }
 
-    for (const item of config.provider ?? []) {
-      providers.set(item.id, item)
+    const configProviders = Object.entries(config.provider ?? {})
+
+    for (const [providerID, provider] of configProviders) {
+      const existing = database[providerID]
+      const parsed: ModelsDev.Provider = {
+        id: providerID,
+        npm: provider.npm ?? existing?.npm,
+        name: provider.name ?? existing?.name ?? providerID,
+        env: provider.env ?? existing?.env ?? [],
+        api: provider.api ?? existing?.api,
+        models: existing?.models ?? {},
+      }
+
+      for (const [modelID, model] of Object.entries(provider.models ?? {})) {
+        const existing = parsed.models[modelID]
+        const parsedModel: ModelsDev.Model = {
+          id: modelID,
+          name: model.name ?? existing?.name ?? modelID,
+          release_date: model.release_date ?? existing?.release_date,
+          attachment: model.attachment ?? existing?.attachment ?? false,
+          reasoning: model.reasoning ?? existing?.reasoning ?? false,
+          temperature: model.temperature ?? existing?.temperature ?? false,
+          tool_call: model.tool_call ?? existing?.tool_call ?? true,
+          cost:
+            !model.cost && !existing?.cost
+              ? {
+                  input: 0,
+                  output: 0,
+                  cache_read: 0,
+                  cache_write: 0,
+                }
+              : {
+                  cache_read: 0,
+                  cache_write: 0,
+                  ...existing?.cost,
+                  ...model.cost,
+                },
+          options: {
+            ...existing?.options,
+            ...model.options,
+          },
+          limit: model.limit ??
+            existing?.limit ?? {
+              context: 0,
+              output: 0,
+            },
+        }
+        parsed.models[modelID] = parsedModel
+      }
+      database[providerID] = parsed
+    }
+
+    const disabled = await Config.get().then((cfg) => new Set(cfg.disabled_providers ?? []))
+    // load env
+    for (const [providerID, provider] of Object.entries(database)) {
+      if (disabled.has(providerID)) continue
+      const apiKey = provider.env.map((item) => process.env[item]).at(0)
+      if (!apiKey) continue
+      mergeProvider(
+        providerID,
+        // only include apiKey if there's only one potential option
+        provider.env.length === 1 ? { apiKey } : {},
+        "env",
+      )
+    }
+
+    // load apikeys
+    for (const [providerID, provider] of Object.entries(await Auth.all())) {
+      if (disabled.has(providerID)) continue
+      if (provider.type === "api") {
+        mergeProvider(providerID, { apiKey: provider.key }, "api")
+      }
+    }
+
+    // load custom
+    for (const [providerID, fn] of Object.entries(CUSTOM_LOADERS)) {
+      if (disabled.has(providerID)) continue
+      const result = await fn(database[providerID])
+      if (result && (result.autoload || providers[providerID])) {
+        mergeProvider(providerID, result.options ?? {}, "custom", result.getModel)
+      }
+    }
+
+    // load config
+    for (const [providerID, provider] of configProviders) {
+      mergeProvider(providerID, provider.options ?? {}, "config")
+    }
+
+    for (const [providerID, provider] of Object.entries(providers)) {
+      if (Object.keys(provider.info.models).length === 0) {
+        delete providers[providerID]
+        continue
+      }
+      log.info("found", { providerID })
     }
 
     return {
@@ -82,28 +352,30 @@ export namespace Provider {
     }
   })
 
-  export async function active() {
+  export async function list() {
     return state().then((state) => state.providers)
   }
 
-  async function getSDK(providerID: string) {
-    const s = await state()
-    if (s.sdk.has(providerID)) return s.sdk.get(providerID)!
-
-    const dir = path.join(Global.cache(), `node_modules`, `@ai-sdk`, providerID)
-    if (!(await Bun.file(path.join(dir, "package.json")).exists())) {
-      log.info("installing", {
-        providerID,
+  async function getSDK(provider: ModelsDev.Provider) {
+    return (async () => {
+      using _ = log.time("getSDK", {
+        providerID: provider.id,
       })
-      BunProc.run(["add", `@ai-sdk/${providerID}@alpha`], {
-        cwd: Global.cache(),
+      const s = await state()
+      const existing = s.sdk.get(provider.id)
+      if (existing) return existing
+      const pkg = provider.npm ?? provider.id
+      const mod = await import(await BunProc.install(pkg, "beta"))
+      const fn = mod[Object.keys(mod).find((key) => key.startsWith("create"))!]
+      const loaded = fn({
+        name: provider.id,
+        ...s.providers[provider.id]?.options,
       })
-    }
-    const mod = await import(path.join(dir))
-    const fn = mod[Object.keys(mod).find((key) => key.startsWith("create"))!]
-    const loaded = fn(s.providers.get(providerID)?.options)
-    s.sdk.set(providerID, loaded)
-    return loaded as SDK
+      s.sdk.set(provider.id, loaded)
+      return loaded as SDK
+    })().catch((e) => {
+      throw new InitError({ providerID: provider.id }, { cause: e })
+    })
   }
 
   export async function getModel(providerID: string, modelID: string) {
@@ -111,21 +383,19 @@ export namespace Provider {
     const s = await state()
     if (s.models.has(key)) return s.models.get(key)!
 
-    log.info("loading", {
+    log.info("getModel", {
       providerID,
       modelID,
     })
 
-    const provider = s.providers.get(providerID)
-    if (!provider) throw new ModelNotFoundError(modelID)
-    const info = provider.models.find((m) => m.id === modelID)
-    if (!info) throw new ModelNotFoundError(modelID)
-
-    const sdk = await getSDK(providerID)
-    if (!sdk) throw new ModelNotFoundError(modelID)
+    const provider = s.providers[providerID]
+    if (!provider) throw new ModelNotFoundError({ providerID, modelID })
+    const info = provider.info.models[modelID]
+    if (!info) throw new ModelNotFoundError({ providerID, modelID })
+    const sdk = await getSDK(provider.info)
 
     try {
-      const language = sdk.languageModel(modelID)
+      const language = provider.getModel ? await provider.getModel(sdk, modelID) : sdk.languageModel(modelID)
       log.info("found", { providerID, modelID })
       s.models.set(key, {
         info,
@@ -136,41 +406,214 @@ export namespace Provider {
         language,
       }
     } catch (e) {
-      if (e instanceof NoSuchModelError) throw new ModelNotFoundError(modelID)
+      if (e instanceof NoSuchModelError)
+        throw new ModelNotFoundError(
+          {
+            modelID: modelID,
+            providerID,
+          },
+          { cause: e },
+        )
       throw e
     }
   }
 
+  export async function getSmallModel(providerID: string) {
+    const cfg = await Config.get()
+
+    if (cfg.small_model) {
+      const parsed = parseModel(cfg.small_model)
+      return getModel(parsed.providerID, parsed.modelID)
+    }
+
+    const provider = await state().then((state) => state.providers[providerID])
+    if (!provider) return
+    const priority = ["3-5-haiku", "3.5-haiku", "gemini-2.5-flash"]
+    for (const item of priority) {
+      for (const model of Object.keys(provider.info.models)) {
+        if (model.includes(item)) return getModel(providerID, model)
+      }
+    }
+  }
+
+  const priority = ["gemini-2.5-pro-preview", "codex-mini", "claude-sonnet-4"]
+  export function sort(models: ModelsDev.Model[]) {
+    return sortBy(
+      models,
+      [(model) => priority.findIndex((filter) => model.id.includes(filter)), "desc"],
+      [(model) => (model.id.includes("latest") ? 0 : 1), "asc"],
+      [(model) => model.id, "desc"],
+    )
+  }
+
+  export async function defaultModel() {
+    const cfg = await Config.get()
+    if (cfg.model) return parseModel(cfg.model)
+    const provider = await list()
+      .then((val) => Object.values(val))
+      .then((x) => x.find((p) => !cfg.provider || Object.keys(cfg.provider).includes(p.info.id)))
+    if (!provider) throw new Error("no providers found")
+    const [model] = sort(Object.values(provider.info.models))
+    if (!model) throw new Error("no models found")
+    return {
+      providerID: provider.info.id,
+      modelID: model.id,
+    }
+  }
+
+  export function parseModel(model: string) {
+    const [providerID, ...rest] = model.split("/")
+    return {
+      providerID: providerID,
+      modelID: rest.join("/"),
+    }
+  }
+
   const TOOLS = [
     BashTool,
     EditTool,
-    FetchTool,
+    WebFetchTool,
     GlobTool,
     GrepTool,
     ListTool,
-    LspDiagnosticTool,
-    LspHoverTool,
+    // LspDiagnosticTool,
+    // LspHoverTool,
     PatchTool,
-    ViewTool,
-    EditTool,
+    ReadTool,
+    // MultiEditTool,
+    WriteTool,
+    TodoWriteTool,
+    TodoReadTool,
+    TaskTool,
   ]
+
   const TOOL_MAPPING: Record<string, Tool.Info[]> = {
-    anthropic: TOOLS,
-    openai: TOOLS,
-    google: TOOLS,
+    anthropic: TOOLS.filter((t) => t.id !== "patch"),
+    openai: TOOLS.map((t) => ({
+      ...t,
+      parameters: optionalToNullable(t.parameters),
+    })),
+    azure: TOOLS.map((t) => ({
+      ...t,
+      parameters: optionalToNullable(t.parameters),
+    })),
+    google: TOOLS.map((t) => ({
+      ...t,
+      parameters: sanitizeGeminiParameters(t.parameters),
+    })),
   }
+
   export async function tools(providerID: string) {
+    /*
     const cfg = await Config.get()
     if (cfg.tool?.provider?.[providerID])
       return cfg.tool.provider[providerID].map(
         (id) => TOOLS.find((t) => t.id === id)!,
       )
+        */
     return TOOL_MAPPING[providerID] ?? TOOLS
   }
 
-  class ModelNotFoundError extends Error {
-    constructor(public readonly model: string) {
-      super()
+  function sanitizeGeminiParameters(schema: z.ZodTypeAny, visited = new Set()): z.ZodTypeAny {
+    if (!schema || visited.has(schema)) {
+      return schema
     }
+    visited.add(schema)
+
+    if (schema instanceof z.ZodDefault) {
+      const innerSchema = schema.removeDefault()
+      // Handle Gemini's incompatibility with `default` on `anyOf` (unions).
+      if (innerSchema instanceof z.ZodUnion) {
+        // The schema was `z.union(...).default(...)`, which is not allowed.
+        // We strip the default and return the sanitized union.
+        return sanitizeGeminiParameters(innerSchema, visited)
+      }
+      // Otherwise, the default is on a regular type, which is allowed.
+      // We recurse on the inner type and then re-apply the default.
+      return sanitizeGeminiParameters(innerSchema, visited).default(schema._def.defaultValue())
+    }
+
+    if (schema instanceof z.ZodOptional) {
+      return z.optional(sanitizeGeminiParameters(schema.unwrap(), visited))
+    }
+
+    if (schema instanceof z.ZodObject) {
+      const newShape: Record<string, z.ZodTypeAny> = {}
+      for (const [key, value] of Object.entries(schema.shape)) {
+        newShape[key] = sanitizeGeminiParameters(value as z.ZodTypeAny, visited)
+      }
+      return z.object(newShape)
+    }
+
+    if (schema instanceof z.ZodArray) {
+      return z.array(sanitizeGeminiParameters(schema.element, visited))
+    }
+
+    if (schema instanceof z.ZodUnion) {
+      // This schema corresponds to `anyOf` in JSON Schema.
+      // We recursively sanitize each option in the union.
+      const sanitizedOptions = schema.options.map((option: z.ZodTypeAny) => sanitizeGeminiParameters(option, visited))
+      return z.union(sanitizedOptions as [z.ZodTypeAny, z.ZodTypeAny, ...z.ZodTypeAny[]])
+    }
+
+    if (schema instanceof z.ZodString) {
+      const newSchema = z.string({ description: schema.description })
+      const safeChecks = ["min", "max", "length", "regex", "startsWith", "endsWith", "includes", "trim"]
+      // rome-ignore lint/suspicious/noExplicitAny: <explanation>
+      ;(newSchema._def as any).checks = (schema._def as z.ZodStringDef).checks.filter((check) =>
+        safeChecks.includes(check.kind),
+      )
+      return newSchema
+    }
+
+    return schema
   }
+  function optionalToNullable(schema: z.ZodTypeAny): z.ZodTypeAny {
+    if (schema instanceof z.ZodObject) {
+      const shape = schema.shape
+      const newShape: Record<string, z.ZodTypeAny> = {}
+
+      for (const [key, value] of Object.entries(shape)) {
+        const zodValue = value as z.ZodTypeAny
+        if (zodValue instanceof z.ZodOptional) {
+          newShape[key] = zodValue.unwrap().nullable()
+        } else {
+          newShape[key] = optionalToNullable(zodValue)
+        }
+      }
+
+      return z.object(newShape)
+    }
+
+    if (schema instanceof z.ZodArray) {
+      return z.array(optionalToNullable(schema.element))
+    }
+
+    if (schema instanceof z.ZodUnion) {
+      return z.union(
+        schema.options.map((option: z.ZodTypeAny) => optionalToNullable(option)) as [
+          z.ZodTypeAny,
+          z.ZodTypeAny,
+          ...z.ZodTypeAny[],
+        ],
+      )
+    }
+
+    return schema
+  }
+
+  export const ModelNotFoundError = NamedError.create(
+    "ProviderModelNotFoundError",
+    z.object({
+      providerID: z.string(),
+      modelID: z.string(),
+    }),
+  )
+
+  export const InitError = NamedError.create(
+    "ProviderInitError",
+    z.object({
+      providerID: z.string(),
+    }),
+  )
 }

packages/opencode/src/provider/transform.ts

@@ -0,0 +1,30 @@
+import type { ModelMessage } from "ai"
+import { unique } from "remeda"
+
+export namespace ProviderTransform {
+  export function message(msgs: ModelMessage[], providerID: string, modelID: string) {
+    if (providerID === "anthropic" || modelID.includes("anthropic")) {
+      const system = msgs.filter((msg) => msg.role === "system").slice(0, 2)
+      const final = msgs.filter((msg) => msg.role !== "system").slice(-2)
+
+      for (const msg of unique([...system, ...final])) {
+        msg.providerOptions = {
+          ...msg.providerOptions,
+          anthropic: {
+            cacheControl: { type: "ephemeral" },
+          },
+          openrouter: {
+            cache_control: { type: "ephemeral" },
+          },
+          bedrock: {
+            cachePoint: { type: "ephemeral" },
+          },
+          openaiCompatible: {
+            cache_control: { type: "ephemeral" },
+          },
+        }
+      }
+    }
+    return msgs
+  }
+}

packages/opencode/src/server/server.ts

@@ -3,30 +3,77 @@ import { Bus } from "../bus"
 import { describeRoute, generateSpecs, openAPISpecs } from "hono-openapi"
 import { Hono } from "hono"
 import { streamSSE } from "hono/streaming"
-import { Session } from "../session/session"
+import { Session } from "../session"
 import { resolver, validator as zValidator } from "hono-openapi/zod"
 import { z } from "zod"
-import { LLM } from "../llm/llm"
-import { Message } from "../session/message"
 import { Provider } from "../provider/provider"
+import { App } from "../app/app"
+import { mapValues } from "remeda"
+import { NamedError } from "../util/error"
+import { ModelsDev } from "../provider/models"
+import { Ripgrep } from "../file/ripgrep"
+import { Config } from "../config/config"
+import { File } from "../file"
+import { LSP } from "../lsp"
+import { MessageV2 } from "../session/message-v2"
+import { Mode } from "../session/mode"
+
+const ERRORS = {
+  400: {
+    description: "Bad request",
+    content: {
+      "application/json": {
+        schema: resolver(
+          z
+            .object({
+              data: z.record(z.string(), z.any()),
+            })
+            .openapi({
+              ref: "Error",
+            }),
+        ),
+      },
+    },
+  },
+} as const
 
 export namespace Server {
   const log = Log.create({ service: "server" })
-  const PORT = 16713
 
-  export type App = ReturnType<typeof app>
+  export type Routes = ReturnType<typeof app>
 
   function app() {
     const app = new Hono()
 
     const result = app
+      .onError((err, c) => {
+        if (err instanceof NamedError) {
+          return c.json(err.toObject(), {
+            status: 400,
+          })
+        }
+        return c.json(new NamedError.Unknown({ message: err.toString() }).toObject(), {
+          status: 400,
+        })
+      })
+      .use(async (c, next) => {
+        log.info("request", {
+          method: c.req.method,
+          path: c.req.path,
+        })
+        const start = Date.now()
+        await next()
+        log.info("response", {
+          duration: Date.now() - start,
+        })
+      })
       .get(
-        "/openapi",
+        "/doc",
         openAPISpecs(app, {
           documentation: {
             info: {
               title: "opencode",
-              version: "1.0.0",
+              version: "0.0.3",
               description: "opencode api",
             },
             openapi: "3.0.0",
@@ -73,82 +120,66 @@ export namespace Server {
           })
         },
       )
-      .post(
-        "/session_create",
+      .get(
+        "/app",
         describeRoute({
-          description: "Create a new session",
+          description: "Get app info",
           responses: {
             200: {
-              description: "Successfully created session",
+              description: "200",
               content: {
                 "application/json": {
-                  schema: resolver(Session.Info),
+                  schema: resolver(App.Info),
                 },
               },
             },
           },
         }),
         async (c) => {
-          const session = await Session.create()
-          return c.json(session)
+          return c.json(App.info())
         },
       )
       .post(
-        "/session_share",
+        "/app/init",
         describeRoute({
-          description: "Share the session",
+          description: "Initialize the app",
           responses: {
             200: {
-              description: "Successfully shared session",
+              description: "Initialize the app",
               content: {
                 "application/json": {
-                  schema: resolver(Session.Info),
+                  schema: resolver(z.boolean()),
                 },
               },
             },
           },
         }),
-        zValidator(
-          "json",
-          z.object({
-            sessionID: z.string(),
-          }),
-        ),
         async (c) => {
-          const body = c.req.valid("json")
-          await Session.share(body.sessionID)
-          const session = await Session.get(body.sessionID)
-          return c.json(session)
+          await App.initialize()
+          return c.json(true)
         },
       )
-      .post(
-        "/session_messages",
+      .get(
+        "/config",
         describeRoute({
-          description: "Get messages for a session",
+          description: "Get config info",
           responses: {
             200: {
-              description: "Successfully created session",
+              description: "Get config info",
               content: {
                 "application/json": {
-                  schema: resolver(Message.Info.array()),
+                  schema: resolver(Config.Info),
                 },
               },
             },
           },
         }),
-        zValidator(
-          "json",
-          z.object({
-            sessionID: z.string(),
-          }),
-        ),
         async (c) => {
-          const messages = await Session.messages(c.req.valid("json").sessionID)
-          return c.json(messages)
+          return c.json(await Config.get())
         },
       )
-      .post(
-        "/session_list",
+      .get(
+        "/session",
         describeRoute({
           description: "List all sessions",
           responses: {
@@ -168,7 +199,90 @@ export namespace Server {
         },
       )
       .post(
-        "/session_abort",
+        "/session",
+        describeRoute({
+          description: "Create a new session",
+          responses: {
+            ...ERRORS,
+            200: {
+              description: "Successfully created session",
+              content: {
+                "application/json": {
+                  schema: resolver(Session.Info),
+                },
+              },
+            },
+          },
+        }),
+        async (c) => {
+          const session = await Session.create()
+          return c.json(session)
+        },
+      )
+      .delete(
+        "/session/:id",
+        describeRoute({
+          description: "Delete a session and all its data",
+          responses: {
+            200: {
+              description: "Successfully deleted session",
+              content: {
+                "application/json": {
+                  schema: resolver(z.boolean()),
+                },
+              },
+            },
+          },
+        }),
+        zValidator(
+          "param",
+          z.object({
+            id: z.string(),
+          }),
+        ),
+        async (c) => {
+          await Session.remove(c.req.valid("param").id)
+          return c.json(true)
+        },
+      )
+      .post(
+        "/session/:id/init",
+        describeRoute({
+          description: "Analyze the app and create an AGENTS.md file",
+          responses: {
+            200: {
+              description: "200",
+              content: {
+                "application/json": {
+                  schema: resolver(z.boolean()),
+                },
+              },
+            },
+          },
+        }),
+        zValidator(
+          "param",
+          z.object({
+            id: z.string().openapi({ description: "Session ID" }),
+          }),
+        ),
+        zValidator(
+          "json",
+          z.object({
+            messageID: z.string(),
+            providerID: z.string(),
+            modelID: z.string(),
+          }),
+        ),
+        async (c) => {
+          const sessionID = c.req.valid("param").id
+          const body = c.req.valid("json")
+          await Session.initialize({ ...body, sessionID })
+          return c.json(true)
+        },
+      )
+      .post(
+        "/session/:id/abort",
         describeRoute({
           description: "Abort a session",
           responses: {
@@ -183,23 +297,350 @@ export namespace Server {
           },
         }),
         zValidator(
-          "json",
+          "param",
           z.object({
-            sessionID: z.string(),
+            id: z.string(),
           }),
         ),
         async (c) => {
-          const body = c.req.valid("json")
-          return c.json(Session.abort(body.sessionID))
+          return c.json(Session.abort(c.req.valid("param").id))
         },
       )
       .post(
-        "/session_summarize",
+        "/session/:id/share",
+        describeRoute({
+          description: "Share a session",
+          responses: {
+            200: {
+              description: "Successfully shared session",
+              content: {
+                "application/json": {
+                  schema: resolver(Session.Info),
+                },
+              },
+            },
+          },
+        }),
+        zValidator(
+          "param",
+          z.object({
+            id: z.string(),
+          }),
+        ),
+        async (c) => {
+          const id = c.req.valid("param").id
+          await Session.share(id)
+          const session = await Session.get(id)
+          return c.json(session)
+        },
+      )
+      .delete(
+        "/session/:id/share",
+        describeRoute({
+          description: "Unshare the session",
+          responses: {
+            200: {
+              description: "Successfully unshared session",
+              content: {
+                "application/json": {
+                  schema: resolver(Session.Info),
+                },
+              },
+            },
+          },
+        }),
+        zValidator(
+          "param",
+          z.object({
+            id: z.string(),
+          }),
+        ),
+        async (c) => {
+          const id = c.req.valid("param").id
+          await Session.unshare(id)
+          const session = await Session.get(id)
+          return c.json(session)
+        },
+      )
+      .post(
+        "/session/:id/summarize",
         describeRoute({
           description: "Summarize the session",
           responses: {
             200: {
-              description: "Summarize the session",
+              description: "Summarized session",
+              content: {
+                "application/json": {
+                  schema: resolver(z.boolean()),
+                },
+              },
+            },
+          },
+        }),
+        zValidator(
+          "param",
+          z.object({
+            id: z.string().openapi({ description: "Session ID" }),
+          }),
+        ),
+        zValidator(
+          "json",
+          z.object({
+            providerID: z.string(),
+            modelID: z.string(),
+          }),
+        ),
+        async (c) => {
+          const id = c.req.valid("param").id
+          const body = c.req.valid("json")
+          await Session.summarize({ ...body, sessionID: id })
+          return c.json(true)
+        },
+      )
+      .get(
+        "/session/:id/message",
+        describeRoute({
+          description: "List messages for a session",
+          responses: {
+            200: {
+              description: "List of messages",
+              content: {
+                "application/json": {
+                  schema: resolver(
+                    z
+                      .object({
+                        info: MessageV2.Info,
+                        parts: MessageV2.Part.array(),
+                      })
+                      .array(),
+                  ),
+                },
+              },
+            },
+          },
+        }),
+        zValidator(
+          "param",
+          z.object({
+            id: z.string().openapi({ description: "Session ID" }),
+          }),
+        ),
+        async (c) => {
+          const messages = await Session.messages(c.req.valid("param").id)
+          return c.json(messages)
+        },
+      )
+      .post(
+        "/session/:id/message",
+        describeRoute({
+          description: "Create and send a new message to a session",
+          responses: {
+            200: {
+              description: "Created message",
+              content: {
+                "application/json": {
+                  schema: resolver(MessageV2.Assistant),
+                },
+              },
+            },
+          },
+        }),
+        zValidator(
+          "param",
+          z.object({
+            id: z.string().openapi({ description: "Session ID" }),
+          }),
+        ),
+        zValidator("json", Session.ChatInput.omit({ sessionID: true })),
+        async (c) => {
+          const sessionID = c.req.valid("param").id
+          const body = c.req.valid("json")
+          const msg = await Session.chat({ ...body, sessionID })
+          return c.json(msg)
+        },
+      )
+      .get(
+        "/config/providers",
+        describeRoute({
+          description: "List all providers",
+          responses: {
+            200: {
+              description: "List of providers",
+              content: {
+                "application/json": {
+                  schema: resolver(
+                    z.object({
+                      providers: ModelsDev.Provider.array(),
+                      default: z.record(z.string(), z.string()),
+                    }),
+                  ),
+                },
+              },
+            },
+          },
+        }),
+        async (c) => {
+          const providers = await Provider.list().then((x) => mapValues(x, (item) => item.info))
+          return c.json({
+            providers: Object.values(providers),
+            default: mapValues(providers, (item) => Provider.sort(Object.values(item.models))[0].id),
+          })
+        },
+      )
+      .get(
+        "/find",
+        describeRoute({
+          description: "Find text in files",
+          responses: {
+            200: {
+              description: "Matches",
+              content: {
+                "application/json": {
+                  schema: resolver(Ripgrep.Match.shape.data.array()),
+                },
+              },
+            },
+          },
+        }),
+        zValidator(
+          "query",
+          z.object({
+            pattern: z.string(),
+          }),
+        ),
+        async (c) => {
+          const app = App.info()
+          const pattern = c.req.valid("query").pattern
+          const result = await Ripgrep.search({
+            cwd: app.path.cwd,
+            pattern,
+            limit: 10,
+          })
+          return c.json(result)
+        },
+      )
+      .get(
+        "/find/file",
+        describeRoute({
+          description: "Find files",
+          responses: {
+            200: {
+              description: "File paths",
+              content: {
+                "application/json": {
+                  schema: resolver(z.string().array()),
+                },
+              },
+            },
+          },
+        }),
+        zValidator(
+          "query",
+          z.object({
+            query: z.string(),
+          }),
+        ),
+        async (c) => {
+          const query = c.req.valid("query").query
+          const app = App.info()
+          const result = await Ripgrep.files({
+            cwd: app.path.cwd,
+            query,
+            limit: 10,
+          })
+          return c.json(result)
+        },
+      )
+      .get(
+        "/find/symbol",
+        describeRoute({
+          description: "Find workspace symbols",
+          responses: {
+            200: {
+              description: "Symbols",
+              content: {
+                "application/json": {
+                  schema: resolver(LSP.Symbol.array()),
+                },
+              },
+            },
+          },
+        }),
+        zValidator(
+          "query",
+          z.object({
+            query: z.string(),
+          }),
+        ),
+        async (c) => {
+          const query = c.req.valid("query").query
+          const result = await LSP.workspaceSymbol(query)
+          return c.json(result)
+        },
+      )
+      .get(
+        "/file",
+        describeRoute({
+          description: "Read a file",
+          responses: {
+            200: {
+              description: "File content",
+              content: {
+                "application/json": {
+                  schema: resolver(
+                    z.object({
+                      type: z.enum(["raw", "patch"]),
+                      content: z.string(),
+                    }),
+                  ),
+                },
+              },
+            },
+          },
+        }),
+        zValidator(
+          "query",
+          z.object({
+            path: z.string(),
+          }),
+        ),
+        async (c) => {
+          const path = c.req.valid("query").path
+          const content = await File.read(path)
+          log.info("read file", {
+            path,
+            content: content.content,
+          })
+          return c.json(content)
+        },
+      )
+      .get(
+        "/file/status",
+        describeRoute({
+          description: "Get file status",
+          responses: {
+            200: {
+              description: "File status",
+              content: {
+                "application/json": {
+                  schema: resolver(File.Info.array()),
+                },
+              },
+            },
+          },
+        }),
+        async (c) => {
+          const content = await File.status()
+          return c.json(content)
+        },
+      )
+      .post(
+        "/log",
+        describeRoute({
+          description: "Write a log entry to the server logs",
+          responses: {
+            200: {
+              description: "Log entry written successfully",
               content: {
                 "application/json": {
                   schema: resolver(z.boolean()),
@@ -211,65 +652,55 @@ export namespace Server {
         zValidator(
           "json",
           z.object({
-            sessionID: z.string(),
-            providerID: z.string(),
-            modelID: z.string(),
+            service: z.string().openapi({ description: "Service name for the log entry" }),
+            level: z.enum(["debug", "info", "error", "warn"]).openapi({ description: "Log level" }),
+            message: z.string().openapi({ description: "Log message" }),
+            extra: z
+              .record(z.string(), z.any())
+              .optional()
+              .openapi({ description: "Additional metadata for the log entry" }),
           }),
         ),
         async (c) => {
-          const body = c.req.valid("json")
-          await Session.summarize(body)
+          const { service, level, message, extra } = c.req.valid("json")
+          const logger = Log.create({ service })
+
+          switch (level) {
+            case "debug":
+              logger.debug(message, extra)
+              break
+            case "info":
+              logger.info(message, extra)
+              break
+            case "error":
+              logger.error(message, extra)
+              break
+            case "warn":
+              logger.warn(message, extra)
+              break
+          }
+
           return c.json(true)
         },
       )
-      .post(
-        "/session_chat",
+      .get(
+        "/mode",
         describeRoute({
-          description: "Chat with a model",
+          description: "List all modes",
           responses: {
             200: {
-              description: "Chat with a model",
+              description: "List of modes",
               content: {
                 "application/json": {
-                  schema: resolver(Message.Info),
-                },
-              },
-            },
-          },
-        }),
-        zValidator(
-          "json",
-          z.object({
-            sessionID: z.string(),
-            providerID: z.string(),
-            modelID: z.string(),
-            parts: Message.Part.array(),
-          }),
-        ),
-        async (c) => {
-          const body = c.req.valid("json")
-          const msg = await Session.chat(body)
-          return c.json(msg)
-        },
-      )
-      .post(
-        "/provider_list",
-        describeRoute({
-          description: "List all providers",
-          responses: {
-            200: {
-              description: "List of providers",
-              content: {
-                "application/json": {
-                  schema: resolver(Provider.Info.array()),
+                  schema: resolver(Mode.Info.array()),
                 },
               },
             },
           },
         }),
         async (c) => {
-          const providers = await Provider.active()
-          return c.json(providers.values().toArray())
+          const modes = await Mode.list()
+          return c.json(modes)
         },
       )
 
@@ -291,10 +722,10 @@ export namespace Server {
     return result
   }
 
-  export function listen() {
+  export function listen(opts: { port: number; hostname: string }) {
     const server = Bun.serve({
-      port: PORT,
-      hostname: "0.0.0.0",
+      port: opts.port,
+      hostname: opts.hostname,
       idleTimeout: 0,
       fetch: app().fetch,
     })

packages/opencode/src/session/message-v2.ts

@@ -0,0 +1,496 @@
+import z from "zod"
+import { Bus } from "../bus"
+import { NamedError } from "../util/error"
+import { Message } from "./message"
+import { convertToModelMessages, type ModelMessage, type UIMessage } from "ai"
+import { Identifier } from "../id/id"
+import { LSP } from "../lsp"
+
+export namespace MessageV2 {
+  export const OutputLengthError = NamedError.create("MessageOutputLengthError", z.object({}))
+  export const AbortedError = NamedError.create("MessageAbortedError", z.object({}))
+  export const AuthError = NamedError.create(
+    "ProviderAuthError",
+    z.object({
+      providerID: z.string(),
+      message: z.string(),
+    }),
+  )
+
+  export const ToolStatePending = z
+    .object({
+      status: z.literal("pending"),
+    })
+    .openapi({
+      ref: "ToolStatePending",
+    })
+
+  export type ToolStatePending = z.infer<typeof ToolStatePending>
+
+  export const ToolStateRunning = z
+    .object({
+      status: z.literal("running"),
+      input: z.any(),
+      title: z.string().optional(),
+      metadata: z.record(z.any()).optional(),
+      time: z.object({
+        start: z.number(),
+      }),
+    })
+    .openapi({
+      ref: "ToolStateRunning",
+    })
+  export type ToolStateRunning = z.infer<typeof ToolStateRunning>
+
+  export const ToolStateCompleted = z
+    .object({
+      status: z.literal("completed"),
+      input: z.record(z.any()),
+      output: z.string(),
+      title: z.string(),
+      metadata: z.record(z.any()),
+      time: z.object({
+        start: z.number(),
+        end: z.number(),
+      }),
+    })
+    .openapi({
+      ref: "ToolStateCompleted",
+    })
+  export type ToolStateCompleted = z.infer<typeof ToolStateCompleted>
+
+  export const ToolStateError = z
+    .object({
+      status: z.literal("error"),
+      input: z.record(z.any()),
+      error: z.string(),
+      time: z.object({
+        start: z.number(),
+        end: z.number(),
+      }),
+    })
+    .openapi({
+      ref: "ToolStateError",
+    })
+  export type ToolStateError = z.infer<typeof ToolStateError>
+
+  export const ToolState = z
+    .discriminatedUnion("status", [ToolStatePending, ToolStateRunning, ToolStateCompleted, ToolStateError])
+    .openapi({
+      ref: "ToolState",
+    })
+
+  const PartBase = z.object({
+    id: z.string(),
+    sessionID: z.string(),
+    messageID: z.string(),
+  })
+
+  export const SnapshotPart = PartBase.extend({
+    type: z.literal("snapshot"),
+    snapshot: z.string(),
+  }).openapi({
+    ref: "SnapshotPart",
+  })
+  export type SnapshotPart = z.infer<typeof SnapshotPart>
+
+  export const TextPart = PartBase.extend({
+    type: z.literal("text"),
+    text: z.string(),
+    synthetic: z.boolean().optional(),
+    time: z
+      .object({
+        start: z.number(),
+        end: z.number().optional(),
+      })
+      .optional(),
+  }).openapi({
+    ref: "TextPart",
+  })
+  export type TextPart = z.infer<typeof TextPart>
+
+  export const ToolPart = PartBase.extend({
+    type: z.literal("tool"),
+    callID: z.string(),
+    tool: z.string(),
+    state: ToolState,
+  }).openapi({
+    ref: "ToolPart",
+  })
+  export type ToolPart = z.infer<typeof ToolPart>
+
+  const FilePartSourceBase = z.object({
+    text: z
+      .object({
+        value: z.string(),
+        start: z.number().int(),
+        end: z.number().int(),
+      })
+      .openapi({
+        ref: "FilePartSourceText",
+      }),
+  })
+
+  export const FileSource = FilePartSourceBase.extend({
+    type: z.literal("file"),
+    path: z.string(),
+  }).openapi({
+    ref: "FileSource",
+  })
+
+  export const SymbolSource = FilePartSourceBase.extend({
+    type: z.literal("symbol"),
+    path: z.string(),
+    range: LSP.Range,
+    name: z.string(),
+    kind: z.number().int(),
+  }).openapi({
+    ref: "SymbolSource",
+  })
+
+  export const FilePartSource = z.discriminatedUnion("type", [FileSource, SymbolSource]).openapi({
+    ref: "FilePartSource",
+  })
+
+  export const FilePart = PartBase.extend({
+    type: z.literal("file"),
+    mime: z.string(),
+    filename: z.string().optional(),
+    url: z.string(),
+    source: FilePartSource.optional(),
+  }).openapi({
+    ref: "FilePart",
+  })
+  export type FilePart = z.infer<typeof FilePart>
+
+  export const StepStartPart = PartBase.extend({
+    type: z.literal("step-start"),
+  }).openapi({
+    ref: "StepStartPart",
+  })
+  export type StepStartPart = z.infer<typeof StepStartPart>
+
+  export const StepFinishPart = PartBase.extend({
+    type: z.literal("step-finish"),
+    cost: z.number(),
+    tokens: z.object({
+      input: z.number(),
+      output: z.number(),
+      reasoning: z.number(),
+      cache: z.object({
+        read: z.number(),
+        write: z.number(),
+      }),
+    }),
+  }).openapi({
+    ref: "StepFinishPart",
+  })
+  export type StepFinishPart = z.infer<typeof StepFinishPart>
+
+  const Base = z.object({
+    id: z.string(),
+    sessionID: z.string(),
+  })
+
+  export const User = Base.extend({
+    role: z.literal("user"),
+    time: z.object({
+      created: z.number(),
+    }),
+  }).openapi({
+    ref: "UserMessage",
+  })
+  export type User = z.infer<typeof User>
+
+  export const Part = z
+    .discriminatedUnion("type", [TextPart, FilePart, ToolPart, StepStartPart, StepFinishPart, SnapshotPart])
+    .openapi({
+      ref: "Part",
+    })
+  export type Part = z.infer<typeof Part>
+
+  export const Assistant = Base.extend({
+    role: z.literal("assistant"),
+    time: z.object({
+      created: z.number(),
+      completed: z.number().optional(),
+    }),
+    error: z
+      .discriminatedUnion("name", [
+        AuthError.Schema,
+        NamedError.Unknown.Schema,
+        OutputLengthError.Schema,
+        AbortedError.Schema,
+      ])
+      .optional(),
+    system: z.string().array(),
+    modelID: z.string(),
+    providerID: z.string(),
+    path: z.object({
+      cwd: z.string(),
+      root: z.string(),
+    }),
+    summary: z.boolean().optional(),
+    cost: z.number(),
+    tokens: z.object({
+      input: z.number(),
+      output: z.number(),
+      reasoning: z.number(),
+      cache: z.object({
+        read: z.number(),
+        write: z.number(),
+      }),
+    }),
+  }).openapi({
+    ref: "AssistantMessage",
+  })
+  export type Assistant = z.infer<typeof Assistant>
+
+  export const Info = z.discriminatedUnion("role", [User, Assistant]).openapi({
+    ref: "Message",
+  })
+  export type Info = z.infer<typeof Info>
+
+  export const Event = {
+    Updated: Bus.event(
+      "message.updated",
+      z.object({
+        info: Info,
+      }),
+    ),
+    Removed: Bus.event(
+      "message.removed",
+      z.object({
+        sessionID: z.string(),
+        messageID: z.string(),
+      }),
+    ),
+    PartUpdated: Bus.event(
+      "message.part.updated",
+      z.object({
+        part: Part,
+      }),
+    ),
+  }
+
+  export function fromV1(v1: Message.Info) {
+    if (v1.role === "assistant") {
+      const info: Assistant = {
+        id: v1.id,
+        sessionID: v1.metadata.sessionID,
+        role: "assistant",
+        time: {
+          created: v1.metadata.time.created,
+          completed: v1.metadata.time.completed,
+        },
+        cost: v1.metadata.assistant!.cost,
+        path: v1.metadata.assistant!.path,
+        summary: v1.metadata.assistant!.summary,
+        tokens: v1.metadata.assistant!.tokens,
+        modelID: v1.metadata.assistant!.modelID,
+        providerID: v1.metadata.assistant!.providerID,
+        system: v1.metadata.assistant!.system,
+        error: v1.metadata.error,
+      }
+      const parts = v1.parts.flatMap((part): Part[] => {
+        const base = {
+          id: Identifier.ascending("part"),
+          messageID: v1.id,
+          sessionID: v1.metadata.sessionID,
+        }
+        if (part.type === "text") {
+          return [
+            {
+              ...base,
+              type: "text",
+              text: part.text,
+            },
+          ]
+        }
+        if (part.type === "step-start") {
+          return [
+            {
+              ...base,
+              type: "step-start",
+            },
+          ]
+        }
+        if (part.type === "tool-invocation") {
+          return [
+            {
+              ...base,
+              type: "tool",
+              callID: part.toolInvocation.toolCallId,
+              tool: part.toolInvocation.toolName,
+              state: (() => {
+                if (part.toolInvocation.state === "partial-call") {
+                  return {
+                    status: "pending",
+                  }
+                }
+
+                const { title, time, ...metadata } = v1.metadata.tool[part.toolInvocation.toolCallId] ?? {}
+                if (part.toolInvocation.state === "call") {
+                  return {
+                    status: "running",
+                    input: part.toolInvocation.args,
+                    time: {
+                      start: time?.start,
+                    },
+                  }
+                }
+
+                if (part.toolInvocation.state === "result") {
+                  return {
+                    status: "completed",
+                    input: part.toolInvocation.args,
+                    output: part.toolInvocation.result,
+                    title,
+                    time,
+                    metadata,
+                  }
+                }
+                throw new Error("unknown tool invocation state")
+              })(),
+            },
+          ]
+        }
+        return []
+      })
+      return {
+        info,
+        parts,
+      }
+    }
+
+    if (v1.role === "user") {
+      const info: User = {
+        id: v1.id,
+        sessionID: v1.metadata.sessionID,
+        role: "user",
+        time: {
+          created: v1.metadata.time.created,
+        },
+      }
+      const parts = v1.parts.flatMap((part): Part[] => {
+        const base = {
+          id: Identifier.ascending("part"),
+          messageID: v1.id,
+          sessionID: v1.metadata.sessionID,
+        }
+        if (part.type === "text") {
+          return [
+            {
+              ...base,
+              type: "text",
+              text: part.text,
+            },
+          ]
+        }
+        if (part.type === "file") {
+          return [
+            {
+              ...base,
+              type: "file",
+              mime: part.mediaType,
+              filename: part.filename,
+              url: part.url,
+            },
+          ]
+        }
+        return []
+      })
+      return { info, parts }
+    }
+
+    throw new Error("unknown message type")
+  }
+
+  export function toModelMessage(
+    input: {
+      info: Info
+      parts: Part[]
+    }[],
+  ): ModelMessage[] {
+    const result: UIMessage[] = []
+
+    for (const msg of input) {
+      if (msg.parts.length === 0) continue
+
+      if (msg.info.role === "user") {
+        result.push({
+          id: msg.info.id,
+          role: "user",
+          parts: msg.parts.flatMap((part): UIMessage["parts"] => {
+            if (part.type === "text")
+              return [
+                {
+                  type: "text",
+                  text: part.text,
+                },
+              ]
+            // text/plain files are converted into text parts, ignore them
+            if (part.type === "file" && part.mime !== "text/plain")
+              return [
+                {
+                  type: "file",
+                  url: part.url,
+                  mediaType: part.mime,
+                  filename: part.filename,
+                },
+              ]
+            return []
+          }),
+        })
+      }
+
+      if (msg.info.role === "assistant") {
+        result.push({
+          id: msg.info.id,
+          role: "assistant",
+          parts: msg.parts.flatMap((part): UIMessage["parts"] => {
+            if (part.type === "text")
+              return [
+                {
+                  type: "text",
+                  text: part.text,
+                },
+              ]
+            if (part.type === "step-start")
+              return [
+                {
+                  type: "step-start",
+                },
+              ]
+            if (part.type === "tool") {
+              if (part.state.status === "completed")
+                return [
+                  {
+                    type: ("tool-" + part.tool) as `tool-${string}`,
+                    state: "output-available",
+                    toolCallId: part.callID,
+                    input: part.state.input,
+                    output: part.state.output,
+                  },
+                ]
+              if (part.state.status === "error")
+                return [
+                  {
+                    type: ("tool-" + part.tool) as `tool-${string}`,
+                    state: "output-error",
+                    toolCallId: part.callID,
+                    input: part.state.input,
+                    errorText: part.state.error,
+                  },
+                ]
+            }
+
+            return []
+          }),
+        })
+      }
+    }
+
+    return convertToModelMessages(result)
+  }
+}

packages/opencode/src/session/message.ts

@@ -1,7 +1,16 @@
 import z from "zod"
-import { Bus } from "../bus"
+import { NamedError } from "../util/error"
 
 export namespace Message {
+  export const OutputLengthError = NamedError.create("MessageOutputLengthError", z.object({}))
+  export const AuthError = NamedError.create(
+    "ProviderAuthError",
+    z.object({
+      providerID: z.string(),
+      message: z.string(),
+    }),
+  )
+
   export const ToolCall = z
     .object({
       state: z.literal("call"),
@@ -11,7 +20,7 @@ export namespace Message {
       args: z.custom<Required<unknown>>(),
     })
     .openapi({
-      ref: "Message.ToolInvocation.ToolCall",
+      ref: "ToolCall",
     })
   export type ToolCall = z.infer<typeof ToolCall>
 
@@ -24,7 +33,7 @@ export namespace Message {
       args: z.custom<Required<unknown>>(),
     })
     .openapi({
-      ref: "Message.ToolInvocation.ToolPartialCall",
+      ref: "ToolPartialCall",
     })
   export type ToolPartialCall = z.infer<typeof ToolPartialCall>
 
@@ -38,15 +47,13 @@ export namespace Message {
       result: z.string(),
     })
     .openapi({
-      ref: "Message.ToolInvocation.ToolResult",
+      ref: "ToolResult",
     })
   export type ToolResult = z.infer<typeof ToolResult>
 
-  export const ToolInvocation = z
-    .discriminatedUnion("state", [ToolCall, ToolPartialCall, ToolResult])
-    .openapi({
-      ref: "Message.ToolInvocation",
-    })
+  export const ToolInvocation = z.discriminatedUnion("state", [ToolCall, ToolPartialCall, ToolResult]).openapi({
+    ref: "ToolInvocation",
+  })
   export type ToolInvocation = z.infer<typeof ToolInvocation>
 
   export const TextPart = z
@@ -55,7 +62,7 @@ export namespace Message {
       text: z.string(),
     })
     .openapi({
-      ref: "Message.Part.Text",
+      ref: "TextPart",
     })
   export type TextPart = z.infer<typeof TextPart>
 
@@ -66,7 +73,7 @@ export namespace Message {
       providerMetadata: z.record(z.any()).optional(),
     })
     .openapi({
-      ref: "Message.Part.Reasoning",
+      ref: "ReasoningPart",
     })
   export type ReasoningPart = z.infer<typeof ReasoningPart>
 
@@ -76,7 +83,7 @@ export namespace Message {
       toolInvocation: ToolInvocation,
     })
     .openapi({
-      ref: "Message.Part.ToolInvocation",
+      ref: "ToolInvocationPart",
     })
   export type ToolInvocationPart = z.infer<typeof ToolInvocationPart>
 
@@ -89,7 +96,7 @@ export namespace Message {
       providerMetadata: z.record(z.any()).optional(),
     })
     .openapi({
-      ref: "Message.Part.SourceUrl",
+      ref: "SourceUrlPart",
     })
   export type SourceUrlPart = z.infer<typeof SourceUrlPart>
 
@@ -101,7 +108,7 @@ export namespace Message {
       url: z.string(),
     })
     .openapi({
-      ref: "Message.Part.File",
+      ref: "FilePart",
     })
   export type FilePart = z.infer<typeof FilePart>
 
@@ -110,62 +117,73 @@ export namespace Message {
       type: z.literal("step-start"),
     })
     .openapi({
-      ref: "Message.Part.StepStart",
+      ref: "StepStartPart",
     })
   export type StepStartPart = z.infer<typeof StepStartPart>
 
-  export const Part = z
-    .discriminatedUnion("type", [
-      TextPart,
-      ReasoningPart,
-      ToolInvocationPart,
-      SourceUrlPart,
-      FilePart,
-      StepStartPart,
-    ])
+  export const MessagePart = z
+    .discriminatedUnion("type", [TextPart, ReasoningPart, ToolInvocationPart, SourceUrlPart, FilePart, StepStartPart])
     .openapi({
-      ref: "Message.Part",
+      ref: "MessagePart",
     })
-  export type Part = z.infer<typeof Part>
+  export type MessagePart = z.infer<typeof MessagePart>
 
   export const Info = z
     .object({
       id: z.string(),
-      role: z.enum(["system", "user", "assistant"]),
-      parts: z.array(Part),
-      metadata: z.object({
-        time: z.object({
-          created: z.number(),
-          completed: z.number().optional(),
-        }),
-        sessionID: z.string(),
-        tool: z.record(z.string(), z.any()),
-        assistant: z
-          .object({
-            modelID: z.string(),
-            providerID: z.string(),
-            cost: z.number(),
-            summary: z.boolean().optional(),
-            tokens: z.object({
-              input: z.number(),
-              output: z.number(),
-              reasoning: z.number(),
-            }),
-          })
-          .optional(),
-      }),
+      role: z.enum(["user", "assistant"]),
+      parts: z.array(MessagePart),
+      metadata: z
+        .object({
+          time: z.object({
+            created: z.number(),
+            completed: z.number().optional(),
+          }),
+          error: z
+            .discriminatedUnion("name", [AuthError.Schema, NamedError.Unknown.Schema, OutputLengthError.Schema])
+            .optional(),
+          sessionID: z.string(),
+          tool: z.record(
+            z.string(),
+            z
+              .object({
+                title: z.string(),
+                snapshot: z.string().optional(),
+                time: z.object({
+                  start: z.number(),
+                  end: z.number(),
+                }),
+              })
+              .catchall(z.any()),
+          ),
+          assistant: z
+            .object({
+              system: z.string().array(),
+              modelID: z.string(),
+              providerID: z.string(),
+              path: z.object({
+                cwd: z.string(),
+                root: z.string(),
+              }),
+              cost: z.number(),
+              summary: z.boolean().optional(),
+              tokens: z.object({
+                input: z.number(),
+                output: z.number(),
+                reasoning: z.number(),
+                cache: z.object({
+                  read: z.number(),
+                  write: z.number(),
+                }),
+              }),
+            })
+            .optional(),
+          snapshot: z.string().optional(),
+        })
+        .openapi({ ref: "MessageMetadata" }),
     })
     .openapi({
-      ref: "Message.Info",
+      ref: "Message",
     })
   export type Info = z.infer<typeof Info>
-
-  export const Event = {
-    Updated: Bus.event(
-      "message.updated",
-      z.object({
-        info: Info,
-      }),
-    ),
-  }
 }

packages/opencode/src/session/mode.ts

@@ -0,0 +1,69 @@
+import { mergeDeep } from "remeda"
+import { App } from "../app/app"
+import { Config } from "../config/config"
+import z from "zod"
+
+export namespace Mode {
+  export const Info = z
+    .object({
+      name: z.string(),
+      model: z
+        .object({
+          modelID: z.string(),
+          providerID: z.string(),
+        })
+        .optional(),
+      prompt: z.string().optional(),
+      tools: z.record(z.boolean()),
+    })
+    .openapi({
+      ref: "Mode",
+    })
+  export type Info = z.infer<typeof Info>
+  const state = App.state("mode", async () => {
+    const cfg = await Config.get()
+    const mode = mergeDeep(
+      {
+        build: {},
+        plan: {
+          tools: {
+            write: false,
+            edit: false,
+            patch: false,
+          },
+        },
+      },
+      cfg.mode ?? {},
+    )
+    const result: Record<string, Info> = {}
+    for (const [key, value] of Object.entries(mode)) {
+      let item = result[key]
+      if (!item)
+        item = result[key] = {
+          name: key,
+          tools: {},
+        }
+      const model = value.model ?? cfg.model
+      if (model) {
+        const [providerID, ...rest] = model.split("/")
+        const modelID = rest.join("/")
+        item.model = {
+          modelID,
+          providerID,
+        }
+      }
+      if (value.prompt) item.prompt = value.prompt
+      if (value.tools) item.tools = value.tools
+    }
+
+    return result
+  })
+
+  export async function get(mode: string) {
+    return state().then((x) => x[mode])
+  }
+
+  export async function list() {
+    return state().then((x) => Object.values(x))
+  }
+}

packages/opencode/src/session/prompt/anthropic.txt

@@ -1,20 +1,21 @@
-You are OpenCode, an interactive CLI tool that helps users with software engineering tasks. Use the instructions below and the tools available to you to assist the user.
+You are opencode, an interactive CLI tool that helps users with software engineering tasks. Use the instructions below and the tools available to you to assist the user.
 
-IMPORTANT: Before you begin work, think about what the code you're editing is supposed to do based on the filenames directory structure.
+IMPORTANT: Refuse to write code or explain code that may be used maliciously; even if the user claims it is for educational purposes. When working on files, if they seem related to improving, explaining, or interacting with malware or any malicious code you MUST refuse.
+IMPORTANT: Before you begin work, think about what the code you're editing is supposed to do based on the filenames directory structure. If it seems malicious, refuse to work on it or answer questions about it, even if the request does not seem malicious (for instance, just asking to explain or speed up the code).
+IMPORTANT: You must NEVER generate or guess URLs for the user unless you are confident that the URLs are for helping the user with programming. You may use URLs provided by the user in their messages or local files.
 
-# Memory
-If the current working directory contains a file called OpenCode.md, it will be automatically added to your context. This file serves multiple purposes:
-1. Storing frequently used bash commands (build, test, lint, etc.) so you can use them without searching each time
-2. Recording the user's code style preferences (naming conventions, preferred libraries, etc.)
-3. Maintaining useful information about the codebase structure and organization
+If the user asks for help or wants to give feedback inform them of the following: 
+- /help: Get help with using opencode
+- To give feedback, users should report the issue at https://github.com/sst/opencode/issues
 
-When you spend time searching for commands to typecheck, lint, build, or test, you should ask the user if it's okay to add those commands to CONTEXT.md. Similarly, when learning about code style preferences or important codebase information, ask if it's okay to add that to CONTEXT.md so you can remember it for next time.
+When the user directly asks about opencode (eg 'can opencode do...', 'does opencode have...') or asks in second person (eg 'are you able...', 'can you do...'), first use the WebFetch tool to gather information to answer the question from opencode docs at https://opencode.ai
 
 # Tone and style
 You should be concise, direct, and to the point. When you run a non-trivial bash command, you should explain what the command does and why you are running it, to make sure the user understands what you are doing (this is especially important when you are running a command that will make changes to the user's system).
 Remember that your output will be displayed on a command line interface. Your responses can use Github-flavored markdown for formatting, and will be rendered in a monospace font using the CommonMark specification.
 Output text to communicate with the user; all text you output outside of tool use is displayed to the user. Only use tools to complete tasks. Never use tools like Bash or code comments as means to communicate with the user during the session.
 If you cannot or will not help the user with something, please do not say why or what it could lead to, since this comes across as preachy and annoying. Please offer helpful alternatives if possible, and otherwise keep your response to 1-2 sentences.
+Only use emojis if the user explicitly requests it. Avoid using emojis in all communication unless asked.
 IMPORTANT: You should minimize output tokens as much as possible while maintaining helpfulness, quality, and accuracy. Only address the specific query or task at hand, avoiding tangential information unless absolutely critical for completing the request. If you can answer in 1-3 sentences or a short paragraph, please do.
 IMPORTANT: You should NOT answer with unnecessary preamble or postamble (such as explaining your code or summarizing your action), unless the user asks you to.
 IMPORTANT: Keep your responses short, since they will be displayed on a command line interface. You MUST answer concisely with fewer than 4 lines (not including tool use or code generation), unless user asks for detail. Answer the user's question directly, without elaboration, explanation, or details. One word answers are best. Avoid introductions, conclusions, and explanations. You MUST avoid text before/after your response, such as "The answer is <answer>.", "Here is the content of the file..." or "Based on the information provided, the answer is..." or "Here is what I will do next...". Here are some examples to demonstrate appropriate verbosity:
@@ -30,7 +31,7 @@ assistant: 4
 
 <example>
 user: is 11 a prime number?
-assistant: yes
+assistant: Yes
 </example>
 
 <example>
@@ -58,7 +59,7 @@ assistant: src/foo.c
 
 <example>
 user: write tests for new feature
-assistant: [uses grep and glob search tools to find where similar tests are defined, uses concurrent read file tool use blocks in one tool call to read relevant files at the same time, uses edit/patch file tool to write new tests]
+assistant: [uses grep and glob search tools to find where similar tests are defined, uses concurrent read file tool use blocks in one tool call to read relevant files at the same time, uses edit file tool to write new tests]
 </example>
 
 # Proactiveness
@@ -76,20 +77,85 @@ When making changes to files, first understand the file's code conventions. Mimi
 - Always follow security best practices. Never introduce code that exposes or logs secrets and keys. Never commit secrets or keys to the repository.
 
 # Code style
-- Do not add comments to the code you write, unless the user asks you to, or the code is complex and requires additional context.
+- IMPORTANT: DO NOT ADD ***ANY*** COMMENTS unless asked
+
+
+# Task Management
+You have access to the TodoWrite and TodoRead tools to help you manage and plan tasks. Use these tools VERY frequently to ensure that you are tracking your tasks and giving the user visibility into your progress.
+These tools are also EXTREMELY helpful for planning tasks, and for breaking down larger complex tasks into smaller steps. If you do not use this tool when planning, you may forget to do important tasks - and that is unacceptable.
+
+It is critical that you mark todos as completed as soon as you are done with a task. Do not batch up multiple tasks before marking them as completed.
+
+Examples:
+
+<example>
+user: Run the build and fix any type errors
+assistant: I'm going to use the TodoWrite tool to write the following items to the todo list: 
+- Run the build
+- Fix any type errors
+
+I'm now going to run the build using Bash.
+
+Looks like I found 10 type errors. I'm going to use the TodoWrite tool to write 10 items to the todo list.
+
+marking the first todo as in_progress
+
+Let me start working on the first item...
+
+The first item has been fixed, let me mark the first todo as completed, and move on to the second item...
+..
+..
+</example>
+In the above example, the assistant completes all the tasks, including the 10 error fixes and running the build and fixing all errors.
+
+<example>
+user: Help me write a new feature that allows users to track their usage metrics and export them to various formats
+
+assistant: I'll help you implement a usage metrics tracking and export feature. Let me first use the TodoWrite tool to plan this task.
+Adding the following todos to the todo list:
+1. Research existing metrics tracking in the codebase
+2. Design the metrics collection system
+3. Implement core metrics tracking functionality
+4. Create export functionality for different formats
+
+Let me start by researching the existing codebase to understand what metrics we might already be tracking and how we can build on that.
+
+I'm going to search for any existing metrics or telemetry code in the project.
+
+I've found some existing telemetry code. Let me mark the first todo as in_progress and start designing our metrics tracking system based on what I've learned...
+
+[Assistant continues implementing the feature step by step, marking todos as in_progress and completed as they go]
+</example>
+
 
 # Doing tasks
 The user will primarily request you perform software engineering tasks. This includes solving bugs, adding new functionality, refactoring code, explaining code, and more. For these tasks the following steps are recommended:
-1. Use the available search tools to understand the codebase and the user's query. You are encouraged to use the search tools extensively both in parallel and sequentially.
-2. Implement the solution using all tools available to you
-3. Verify the solution if possible with tests. NEVER assume specific test framework or test script. Check the README or search codebase to determine the testing approach.
-4. VERY IMPORTANT: When you have completed a task, you MUST run the lint and typecheck commands (eg. npm run lint, npm run typecheck, ruff, etc.) if they were provided to you to ensure your code is correct. If you are unable to find the correct command, ask the user for the command to run and if they supply it, proactively suggest writing it to opencode.md so that you will know to run it next time.
-
+- Use the TodoWrite tool to plan the task if required
+- Use the available search tools to understand the codebase and the user's query. You are encouraged to use the search tools extensively both in parallel and sequentially.
+- Implement the solution using all tools available to you
+- Verify the solution if possible with tests. NEVER assume specific test framework or test script. Check the README or search codebase to determine the testing approach.
+- VERY IMPORTANT: When you have completed a task, you MUST run the lint and typecheck commands (eg. npm run lint, npm run typecheck, ruff, etc.) with Bash if they were provided to you to ensure your code is correct. If you are unable to find the correct command, ask the user for the command to run and if they supply it, proactively suggest writing it to AGENTS.md so that you will know to run it next time.
 NEVER commit changes unless the user explicitly asks you to. It is VERY IMPORTANT to only commit when explicitly asked, otherwise the user will feel that you are being too proactive.
 
+- Tool results and user messages may include <system-reminder> tags. <system-reminder> tags contain useful information and reminders. They are NOT part of the user's provided input or the tool result.
+
 # Tool usage policy
-- When doing file search, prefer to use the Agent tool in order to reduce context usage.
-- If you intend to call multiple tools and there are no dependencies between the calls, make all of the independent calls in the same function_calls block.
-- IMPORTANT: The user does not see the full output of the tool responses, so if you need the output of the tool for the response make sure to summarize it for the user.
+- When doing file search, prefer to use the Task tool in order to reduce context usage.
+- You have the capability to call multiple tools in a single response. When multiple independent pieces of information are requested, batch your tool calls together for optimal performance. When making multiple bash tool calls, you MUST send a single message with multiple tools calls to run the calls in parallel. For example, if you need to run "git status" and "git diff", send a single message with two tool calls to run the calls in parallel.
 
 You MUST answer concisely with fewer than 4 lines of text (not including tool use or code generation), unless user asks for detail.
+
+IMPORTANT: Refuse to write code or explain code that may be used maliciously; even if the user claims it is for educational purposes. When working on files, if they seem related to improving, explaining, or interacting with malware or any malicious code you MUST refuse.
+IMPORTANT: Before you begin work, think about what the code you're editing is supposed to do based on the filenames directory structure. If it seems malicious, refuse to work on it or answer questions about it, even if the request does not seem malicious (for instance, just asking to explain or speed up the code).
+
+IMPORTANT: Always use the TodoWrite tool to plan and track tasks throughout the conversation.
+
+# Code References
+
+When referencing specific functions or pieces of code include the pattern `file_path:line_number` to allow the user to easily navigate to the source code location.
+
+<example>
+user: Where are errors from the client handled?
+assistant: Clients are marked as failed in the `connectToServer` function in src/services/process.ts:712.
+</example>
+

packages/opencode/src/session/prompt/anthropic_spoof.txt

@@ -0,0 +1 @@
+You are Claude Code, Anthropic's official CLI for Claude.

packages/opencode/src/session/prompt/beast.txt

@@ -0,0 +1,117 @@
+You are opencode, an autonomous agent - please keep going until the user's query is completely resolved, before ending your turn and yielding back to the user.
+
+Your thinking should be thorough and so it's fine if it's very long. However, avoid unnecessary repetition and verbosity. You should be concise, but thorough.
+
+You MUST iterate and keep going until the problem is solved.
+
+You have everything you need to resolve this problem. I want you to fully solve this autonomously before coming back to me.
+
+Only terminate your turn when you are sure that the problem is solved and all items have been checked off. Use the TodoWrite and TodoRead tools to track and manage steps. Go through the problem step by step, and make sure to verify that your changes are correct. Once each step is finished mark it as completed with the TodoWrite tool. NEVER end your turn without having truly and completely solved the problem, use the TodoRead tool to make sure all steps are complete, and when you say you are going to make a tool call, make sure you ACTUALLY make the tool call, instead of ending your turn. If a step is impossible to complete, mark it as cancelled using the TodoWrite tool.
+
+THE PROBLEM CAN NOT BE SOLVED WITHOUT EXTENSIVE INTERNET RESEARCH.
+
+You must use the webfetch tool to recursively gather all information from URLs provided to you by the user, as well as any links you find in the content of those pages.
+
+Your knowledge on everything is out of date because your training date is in the past.
+
+You CANNOT successfully complete this task without using Bing to verify your understanding of third party packages and dependencies is up to date. You must use the webfetch tool to search bing for how to properly use libraries, packages, frameworks, dependencies, etc. every single time you install or implement one. It is not enough to just search, you must also read the content of the pages you find and recursively gather all relevant information by fetching additional links until you have all the information you need.
+
+If the user request is "resume" or "continue" or "try again",use the TodoRead tool to find the next pending step. Continue from that step, and do not hand back control to the user until the entire todo list is complete and all steps are marked as complete or cancelled. Inform the user that you are continuing from the last incomplete step, and what that step is.
+
+Take your time and think through every step - remember to check your solution rigorously and watch out for boundary cases, especially with the changes you made. Use the sequential thinking tool if available. Your solution must be perfect. If not, continue working on it. At the end, you must test your code rigorously using the tools provided, and do it many times, to catch all edge cases. If it is not robust, update the plan and iterate more and make it perfect. Failing to test your code sufficiently rigorously is the NUMBER ONE failure mode on these types of tasks; run the build, and verify that the changes you made actually build; make sure you handle all edge cases, and run existing tests if they are provided.
+
+You MUST plan extensively before each tool call, and reflect extensively on the outcomes of the previous tool calls. DO NOT do this entire process by making tool calls only, as this can impair your ability to solve the problem and think insightfully.
+
+You MUST keep working until the problem is completely solved, and all steps in the todo list are complete. Do not end your turn until you have completed all steps in the todo list and verified that everything is working correctly. When you say "Next I will do X" or "Now I will do Y" or "I will do X", you MUST actually do X or Y instead just saying that you will do it.
+
+You MUST use the ToolRead tool to verify that all steps are complete or cancelled before ending your turn. If any steps are incomplete, you MUST continue working on them until they are all complete.
+
+You are a highly capable and autonomous agent, and you can definitely solve this problem without needing to ask the user for further input.
+
+# Workflow
+1. Fetch any URL's provided by the user using the `webfetch` tool.
+2. Understand the problem deeply. Carefully read the issue and think critically about what is required. Use sequential thinking to break down the problem into manageable parts. Consider the following:
+   - What is the expected behavior?
+   - What are the edge cases?
+   - What are the potential pitfalls?
+   - How does this fit into the larger context of the codebase?
+   - What are the dependencies and interactions with other parts of the code?
+3. Investigate the codebase. Explore relevant files, search for key functions, and gather context.
+4. Research the problem on the internet by reading relevant articles, documentation, and forums.
+5. Develop a clear, step-by-step plan. Break down the fix into manageable, incremental steps. Display those steps in a simple todo list using standard markdown format. Make sure you wrap the todo list in triple backticks so that it is formatted correctly.
+6. Implement the fix incrementally. Make small, testable code changes.
+7. Debug as needed. Use debugging techniques to isolate and resolve issues.
+8. Test frequently. Run tests after each change to verify correctness.
+9. Iterate until the root cause is fixed and all tests pass.
+10. Reflect and validate comprehensively. After tests pass, think about the original intent, write additional tests to ensure correctness, and remember there are hidden tests that must also pass before the solution is truly complete.
+
+Refer to the detailed sections below for more information on each step.
+
+## 1. Fetch Provided URLs
+- If the user provides a URL, use the `webfetch` tool to retrieve the content of the provided URL.
+- After fetching, review the content returned by the fetch tool.
+- If you find any additional URLs or links that are relevant, use the `webfetch` tool again to retrieve those links.
+- Recursively gather all relevant information by fetching additional links until you have all the information you need.
+
+## 2. Deeply Understand the Problem
+Carefully read the issue and think hard about a plan to solve it before coding. Use the sequential thinking tool if available.
+
+## 3. Codebase Investigation
+- Explore relevant files and directories.
+- Search for key functions, classes, or variables related to the issue.
+- Read and understand relevant code snippets.
+- Identify the root cause of the problem.
+- Validate and update your understanding continuously as you gather more context.
+
+## 4. Internet Research
+- Use the `webfetch` tool to search bing by fetching the URL `https://www.bing.com/search?q=your+search+query`.
+- After fetching, review the content returned by the fetch tool.
+- If you find any additional URLs or links that are relevant, use the `webfetch` tool again to retrieve those links.
+- Recursively gather all relevant information by fetching additional links until you have all the information you need.
+
+## 5. Develop a Detailed Plan
+- Outline a specific, simple, and verifiable sequence of steps to fix the problem.
+- Add steps using the TodoWrite tool.
+- Each time you complete a step, mark it as complete using the TodoWrite tool.
+- Each time you check off a step, use the TodoRead tool and display the updated todo list to the user in markdown format.
+- You MUST continue on to the next step after checking off a step instead of ending your turn and asking the user what they want to do next.
+- You may only end your turn when all steps in the todo list are marked as complete or cancelled.
+
+## 6. Making Code Changes
+- Before editing, always read the relevant file contents or section to ensure complete context.
+- Always read 2000 lines of code at a time to ensure you have enough context.
+- Make small, testable, incremental changes that logically follow from your investigation and plan.
+- When using the edit tool, include 3-5 lines of unchanged code before and after the string you want to replace, to make it unambiguous which part of the file should be edited.
+- If a patch or edit is not applied correctly, attempt to reapply it.
+- Always validate that your changes build and pass tests after each change.
+- If the build fails or test fail, debug why before proceeding, update the plan as needed.
+
+## 7. Debugging
+- Use the `lsp_diagnostics` tool to check for any problems in the code.
+- Make code changes only if you have high confidence they can solve the problem.
+- When debugging, try to determine the root cause rather than addressing symptoms.
+- Debug for as long as needed to identify the root cause and identify a fix.
+- Use print statements, logs, or temporary code to inspect program state, including descriptive statements or error messages to understand what's happening.
+- To test hypotheses, you can also add test statements or functions.
+- Revisit your assumptions if unexpected behavior occurs.
+
+# How to create a Todo List
+ Use the following format to show the todo list:
+  ```markdown
+  - [ ] Step 1: Description of the first step
+  - [ ] Step 2: Description of the second step
+  - [ ] Step 3: Description of the third step
+  ```
+Do not ever use HTML tags or any other formatting for the todo list, as it will not be rendered correctly. Always use the markdown format shown above.
+
+# Communication Guidelines
+Always communicate clearly and concisely in a casual, friendly yet professional tone.
+
+<examples>
+"Let me fetch the URL you provided to gather more information."
+"Ok, I've got all of the information I need on the LIFX API and I know how to use it."
+"Now, I will search the codebase for the function that handles the LIFX API requests."
+"I need to update several files here - stand by"
+"OK! Now let's run the tests to make sure everything is working correctly."
+"Whelp - I see we have some problems. Let's fix those up."
+</examples>

packages/opencode/src/session/prompt/gemini.txt

@@ -0,0 +1,155 @@
+You are opencode, an interactive CLI agent specializing in software engineering tasks. Your primary goal is to help users safely and efficiently, adhering strictly to the following instructions and utilizing your available tools.
+
+# Core Mandates
+
+- **Conventions:** Rigorously adhere to existing project conventions when reading or modifying code. Analyze surrounding code, tests, and configuration first.
+- **Libraries/Frameworks:** NEVER assume a library/framework is available or appropriate. Verify its established usage within the project (check imports, configuration files like 'package.json', 'Cargo.toml', 'requirements.txt', 'build.gradle', etc., or observe neighboring files) before employing it.
+- **Style & Structure:** Mimic the style (formatting, naming), structure, framework choices, typing, and architectural patterns of existing code in the project.
+- **Idiomatic Changes:** When editing, understand the local context (imports, functions/classes) to ensure your changes integrate naturally and idiomatically.
+- **Comments:** Add code comments sparingly. Focus on *why* something is done, especially for complex logic, rather than *what* is done. Only add high-value comments if necessary for clarity or if requested by the user. Do not edit comments that are separate from the code you are changing. *NEVER* talk to the user or describe your changes through comments.
+- **Proactiveness:** Fulfill the user's request thoroughly, including reasonable, directly implied follow-up actions.
+- **Confirm Ambiguity/Expansion:** Do not take significant actions beyond the clear scope of the request without confirming with the user. If asked *how* to do something, explain first, don't just do it.
+- **Explaining Changes:** After completing a code modification or file operation *do not* provide summaries unless asked.
+- **Path Construction:** Before using any file system tool (e.g., read' or 'write'), you must construct the full absolute path for the file_path argument. Always combine the absolute path of the project's root directory with the file's path relative to the root. For example, if the project root is /path/to/project/ and the file is foo/bar/baz.txt, the final path you must use is /path/to/project/foo/bar/baz.txt. If the user provides a relative path, you must resolve it against the root directory to create an absolute path.
+- **Do Not revert changes:** Do not revert changes to the codebase unless asked to do so by the user. Only revert changes made by you if they have resulted in an error or if the user has explicitly asked you to revert the changes.
+
+# Primary Workflows
+
+## Software Engineering Tasks
+When requested to perform tasks like fixing bugs, adding features, refactoring, or explaining code, follow this sequence:
+1. **Understand:** Think about the user's request and the relevant codebase context. Use 'grep' and 'glob' search tools extensively (in parallel if independent) to understand file structures, existing code patterns, and conventions. Use 'read' to understand context and validate any assumptions you may have.
+2. **Plan:** Build a coherent and grounded (based on the understanding in step 1) plan for how you intend to resolve the user's task. Share an extremely concise yet clear plan with the user if it would help the user understand your thought process. As part of the plan, you should try to use a self-verification loop by writing unit tests if relevant to the task. Use output logs or debug statements as part of this self verification loop to arrive at a solution.
+3. **Implement:** Use the available tools (e.g., 'edit', 'write' 'bash' ...) to act on the plan, strictly adhering to the project's established conventions (detailed under 'Core Mandates').
+4. **Verify (Tests):** If applicable and feasible, verify the changes using the project's testing procedures. Identify the correct test commands and frameworks by examining 'README' files, build/package configuration (e.g., 'package.json'), or existing test execution patterns. NEVER assume standard test commands.
+5. **Verify (Standards):** VERY IMPORTANT: After making code changes, execute the project-specific build, linting and type-checking commands (e.g., 'tsc', 'npm run lint', 'ruff check .') that you have identified for this project (or obtained from the user). This ensures code quality and adherence to standards. If unsure about these commands, you can ask the user if they'd like you to run them and if so how to.
+
+## New Applications
+
+**Goal:** Autonomously implement and deliver a visually appealing, substantially complete, and functional prototype. Utilize all tools at your disposal to implement the application. Some tools you may especially find useful are 'write', 'edit' and 'bash'.
+
+1. **Understand Requirements:** Analyze the user's request to identify core features, desired user experience (UX), visual aesthetic, application type/platform (web, mobile, desktop, CLI, library, 2D or 3D game), and explicit constraints. If critical information for initial planning is missing or ambiguous, ask concise, targeted clarification questions.
+2. **Propose Plan:** Formulate an internal development plan. Present a clear, concise, high-level summary to the user. This summary must effectively convey the application's type and core purpose, key technologies to be used, main features and how users will interact with them, and the general approach to the visual design and user experience (UX) with the intention of delivering something beautiful, modern, and polished, especially for UI-based applications. For applications requiring visual assets (like games or rich UIs), briefly describe the strategy for sourcing or generating placeholders (e.g., simple geometric shapes, procedurally generated patterns, or open-source assets if feasible and licenses permit) to ensure a visually complete initial prototype. Ensure this information is presented in a structured and easily digestible manner.
+3. **User Approval:** Obtain user approval for the proposed plan.
+4. **Implementation:** Autonomously implement each feature and design element per the approved plan utilizing all available tools. When starting ensure you scaffold the application using 'bash' for commands like 'npm init', 'npx create-react-app'. Aim for full scope completion. Proactively create or source necessary placeholder assets (e.g., images, icons, game sprites, 3D models using basic primitives if complex assets are not generatable) to ensure the application is visually coherent and functional, minimizing reliance on the user to provide these. If the model can generate simple assets (e.g., a uniformly colored square sprite, a simple 3D cube), it should do so. Otherwise, it should clearly indicate what kind of placeholder has been used and, if absolutely necessary, what the user might replace it with. Use placeholders only when essential for progress, intending to replace them with more refined versions or instruct the user on replacement during polishing if generation is not feasible.
+5. **Verify:** Review work against the original request, the approved plan. Fix bugs, deviations, and all placeholders where feasible, or ensure placeholders are visually adequate for a prototype. Ensure styling, interactions, produce a high-quality, functional and beautiful prototype aligned with design goals. Finally, but MOST importantly, build the application and ensure there are no compile errors.
+6. **Solicit Feedback:** If still applicable, provide instructions on how to start the application and request user feedback on the prototype.
+
+# Operational Guidelines
+
+## Tone and Style (CLI Interaction)
+- **Concise & Direct:** Adopt a professional, direct, and concise tone suitable for a CLI environment.
+- **Minimal Output:** Aim for fewer than 3 lines of text output (excluding tool use/code generation) per response whenever practical. Focus strictly on the user's query.
+- **Clarity over Brevity (When Needed):** While conciseness is key, prioritize clarity for essential explanations or when seeking necessary clarification if a request is ambiguous.
+- **No Chitchat:** Avoid conversational filler, preambles ("Okay, I will now..."), or postambles ("I have finished the changes..."). Get straight to the action or answer.
+- **Formatting:** Use GitHub-flavored Markdown. Responses will be rendered in monospace.
+- **Tools vs. Text:** Use tools for actions, text output *only* for communication. Do not add explanatory comments within tool calls or code blocks unless specifically part of the required code/command itself.
+- **Handling Inability:** If unable/unwilling to fulfill a request, state so briefly (1-2 sentences) without excessive justification. Offer alternatives if appropriate.
+
+## Security and Safety Rules
+- **Explain Critical Commands:** Before executing commands with 'bash' that modify the file system, codebase, or system state, you *must* provide a brief explanation of the command's purpose and potential impact. Prioritize user understanding and safety. You should not ask permission to use the tool; the user will be presented with a confirmation dialogue upon use (you do not need to tell them this).
+- **Security First:** Always apply security best practices. Never introduce code that exposes, logs, or commits secrets, API keys, or other sensitive information.
+
+## Tool Usage
+- **File Paths:** Always use absolute paths when referring to files with tools like 'read' or 'write'. Relative paths are not supported. You must provide an absolute path.
+- **Parallelism:** Execute multiple independent tool calls in parallel when feasible (i.e. searching the codebase).
+- **Command Execution:** Use the 'bash' tool for running shell commands, remembering the safety rule to explain modifying commands first.
+- **Background Processes:** Use background processes (via \`&\`) for commands that are unlikely to stop on their own, e.g. \`node server.js &\`. If unsure, ask the user.
+- **Interactive Commands:** Try to avoid shell commands that are likely to require user interaction (e.g. \`git rebase -i\`). Use non-interactive versions of commands (e.g. \`npm init -y\` instead of \`npm init\`) when available, and otherwise remind the user that interactive shell commands are not supported and may cause hangs until canceled by the user.
+- **Respect User Confirmations:** Most tool calls (also denoted as 'function calls') will first require confirmation from the user, where they will either approve or cancel the function call. If a user cancels a function call, respect their choice and do _not_ try to make the function call again. It is okay to request the tool call again _only_ if the user requests that same tool call on a subsequent prompt. When a user cancels a function call, assume best intentions from the user and consider inquiring if they prefer any alternative paths forward.
+
+## Interaction Details
+- **Help Command:** The user can use '/help' to display help information.
+- **Feedback:** To report a bug or provide feedback, please use the /bug command.
+
+# Examples (Illustrating Tone and Workflow)
+<example>
+user: 1 + 2
+model: 3
+</example>
+
+<example>
+user: is 13 a prime number?
+model: true
+</example>
+
+<example>
+user: list files here.
+model: [tool_call: ls for path '/path/to/project']
+</example>
+
+<example>
+user: start the server implemented in server.js
+model: [tool_call: bash for 'node server.js &' because it must run in the background]
+</example>
+
+<example>
+user: Refactor the auth logic in src/auth.py to use the requests library instead of urllib.
+model: Okay, I can refactor 'src/auth.py'.
+First, I'll analyze the code and check for a test safety net before planning any changes.
+[tool_call: glob for path 'tests/test_auth.py']
+[tool_call: read for absolute_path '/path/to/tests/test_auth.py']
+(After analysis)
+Great, 'tests/test_auth.py' exists and covers the core authentication logic. With this safety net in place, I can safely plan the refactoring.
+I'll also confirm 'requests' is a dependency.
+[tool_call: read for absolute_path '/path/to/requirements.txt']
+(After analysis)
+Looks good, 'requests' is available.
+
+Here's the plan:
+1.  Replace the 'urllib' calls with 'requests'.
+2.  Add proper 'try...except' error handling for the new network calls.
+3.  Remove the old 'urllib' import.
+4.  Run the project's linter and tests to verify the changes.
+
+Should I proceed?
+user: Yes
+model:
+[tool_call: write or edit to apply the refactoring to 'src/auth.py']
+Refactoring complete. Running verification...
+[tool_call: bash for 'ruff check src/auth.py && pytest']
+(After verification passes)
+All checks passed. This is a stable checkpoint.
+
+<example>
+user: Delete the temp directory.
+model: I can run \`rm -rf /path/to/project/temp\`. This will permanently delete the directory and all its contents.
+</example>
+
+<example>
+user: Write tests for someFile.ts
+model:
+Okay, I can write those tests. First, I'll read \`someFile.ts\` to understand its functionality.
+[tool_call: read for absolute_path '/path/to/someFile.ts' or use glob to find \`someFile.ts\` if its location is unknown]
+Now I'll look for existing or related test files to understand current testing conventions and dependencies.
+[tool_call: glob for paths ['**/*.test.ts', 'src/**/*.spec.ts'] assuming someFile.ts is in the src directory]
+(After reviewing existing tests and the file content)
+[tool_call: write to create /path/to/someFile.test.ts with the test code]
+I've written the tests. Now I'll run the project's test command to verify them.
+[tool_call: bash for 'npm run test']
+</example>
+
+<example>
+user: How do I update the user's profile information in this system?
+model:
+I'm not immediately sure how user profile information is updated. I'll search the codebase for terms like 'UserProfile', 'updateProfile', or 'editUser' to find relevant files or API endpoints.
+[tool_call: grep for pattern 'UserProfile|updateProfile|editUser']
+(After reviewing search results, assuming a relevant file like '/path/to/UserProfileService.java' was found)
+Okay, \`/path/to/UserProfileService.java\` seems like the most relevant file. I'll read its content to understand how updates are handled.
+[tool_call: read for absolute_path '/path/to/UserProfileService.java']
+(After reading the file)
+It appears the \`updateUserProfile\` method in \`UserProfileService.java\` is responsible for this. It expects a user ID and a \`UserProfileDTO\` object...
+</example>
+
+<example>
+user: Where are all the 'app.config' files in this project? I need to check their settings.
+model:
+[tool_call: glob for pattern '**/app.config']
+(Assuming GlobTool returns a list of paths like ['/path/to/moduleA/app.config', '/path/to/moduleB/app.config'])
+I found the following 'app.config' files:
+- /path/to/moduleA/app.config
+- /path/to/moduleB/app.config
+To help you check their settings, I can read their contents. Which one would you like to start with, or should I read all of them?
+</example>
+
+# Final Reminder
+Your core function is efficient and safe assistance. Balance extreme conciseness with the crucial need for clarity, especially regarding safety and potential system modifications. Always prioritize user control and project conventions. Never make assumptions about the contents of files; instead use 'read' to ensure you aren't making broad assumptions. Finally, you are an agent - please keep going until the user's query is completely resolved.

packages/opencode/src/session/prompt/initialize.txt

@@ -0,0 +1,8 @@
+Please analyze this codebase and create an AGENTS.md file containing:
+1. Build/lint/test commands - especially for running a single test
+2. Code style guidelines including imports, formatting, types, naming conventions, error handling, etc.
+
+The file you create will be given to agentic coding agents (such as yourself) that operate in this repository. Make it about 20 lines long.
+If there are Cursor rules (in .cursor/rules/ or .cursorrules) or Copilot rules (in .github/copilot-instructions.md), make sure to include them.
+
+If there's already an AGENTS.md, improve it if it's located in ${path}

packages/opencode/src/session/prompt/plan.txt

@@ -0,0 +1,3 @@
+<system-reminder>
+Plan mode is active. The user indicated that they do not want you to execute yet -- you MUST NOT make any edits, run any non-readonly tools (including changing configs or making commits), or otherwise make any changes to the system. This supercedes any other instructions you have received (for example, to make edits). 
+</system-reminder>

packages/opencode/src/session/prompt/title.txt

@@ -1,7 +1,31 @@
-you will generate a short title based on the first message a user begins a conversation with
-- ensure it is not more than 50 characters long
-- the title should be a summary of the user's message
-- it should be one line long
-- do not use quotes or colons
-- the entire text you return will be used as the title
-- never return anything that is more than one sentence (one line) long
+<task>
+Generate a conversation thread title from the user message.
+</task>
+
+<context>
+You are generating titles for a coding assistant conversation.
+</context>
+
+<rules>
+- Max 50 chars, single line
+- Focus on the specific action or question
+- Keep technical terms, numbers, and filenames exactly as written
+- Preserve HTTP status codes (401, 404, 500, etc) as numbers
+- For file references, include the filename
+- Avoid filler words: the, this, my, a, an, properly
+- NEVER assume their tech stack or domain
+- Use -ing verbs consistently for actions
+- Write like a chat thread title, not a blog post
+</rules>
+
+<examples>
+"debug 500 errors in production" → "Debugging production 500 errors"
+"refactor user service" → "Refactoring user service"
+"why is app.js failing" → "Analyzing app.js failure"
+"implement rate limiting" → "Implementing rate limiting"
+</examples>
+
+<format>
+Return only the thread title text on a single line with no newlines, explanations, or additional formatting.
+You should NEVER reply to the user's message. You can only generate titles.
+</format>

packages/opencode/src/session/session.ts

@@ -1,533 +0,0 @@
-import path from "path"
-import { App } from "../app/app"
-import { Identifier } from "../id/id"
-import { Storage } from "../storage/storage"
-import { Log } from "../util/log"
-import {
-  convertToModelMessages,
-  generateText,
-  stepCountIs,
-  streamText,
-  tool,
-  type Tool as AITool,
-  type LanguageModelUsage,
-} from "ai"
-import { z, ZodSchema } from "zod"
-import { Decimal } from "decimal.js"
-
-import PROMPT_ANTHROPIC from "./prompt/anthropic.txt"
-import PROMPT_TITLE from "./prompt/title.txt"
-import PROMPT_SUMMARIZE from "./prompt/summarize.txt"
-
-import { Share } from "../share/share"
-import { Message } from "./message"
-import { Bus } from "../bus"
-import { Provider } from "../provider/provider"
-
-export namespace Session {
-  const log = Log.create({ service: "session" })
-
-  export const Info = z
-    .object({
-      id: Identifier.schema("session"),
-      share: z
-        .object({
-          secret: z.string(),
-          url: z.string(),
-        })
-        .optional(),
-      title: z.string(),
-      time: z.object({
-        created: z.number(),
-        updated: z.number(),
-      }),
-    })
-    .openapi({
-      ref: "session.info",
-    })
-  export type Info = z.output<typeof Info>
-
-  export const Event = {
-    Updated: Bus.event(
-      "session.updated",
-      z.object({
-        info: Info,
-      }),
-    ),
-  }
-
-  const state = App.state("session", () => {
-    const sessions = new Map<string, Info>()
-    const messages = new Map<string, Message.Info[]>()
-
-    return {
-      sessions,
-      messages,
-    }
-  })
-
-  export async function create() {
-    const result: Info = {
-      id: Identifier.descending("session"),
-      title: "New Session - " + new Date().toISOString(),
-      time: {
-        created: Date.now(),
-        updated: Date.now(),
-      },
-    }
-    log.info("created", result)
-    state().sessions.set(result.id, result)
-    await Storage.writeJSON("session/info/" + result.id, result)
-    share(result.id).then((share) => {
-      update(result.id, (draft) => {
-        draft.share = share
-      })
-    })
-    Bus.publish(Event.Updated, {
-      info: result,
-    })
-    return result
-  }
-
-  export async function get(id: string) {
-    const result = state().sessions.get(id)
-    if (result) {
-      return result
-    }
-    const read = await Storage.readJSON<Info>("session/info/" + id)
-    state().sessions.set(id, read)
-    return read as Info
-  }
-
-  export async function share(id: string) {
-    const session = await get(id)
-    if (session.share) return session.share
-    const share = await Share.create(id)
-    await update(id, (draft) => {
-      draft.share = share
-    })
-    for (const msg of await messages(id)) {
-      await Share.sync("session/message/" + id + "/" + msg.id, msg)
-    }
-    return share
-  }
-
-  export async function update(id: string, editor: (session: Info) => void) {
-    const { sessions } = state()
-    const session = await get(id)
-    if (!session) return
-    editor(session)
-    session.time.updated = Date.now()
-    sessions.set(id, session)
-    await Storage.writeJSON("session/info/" + id, session)
-    Bus.publish(Event.Updated, {
-      info: session,
-    })
-    return session
-  }
-
-  export async function messages(sessionID: string) {
-    const result = [] as Message.Info[]
-    const list = Storage.list("session/message/" + sessionID)
-    for await (const p of list) {
-      const read = await Storage.readJSON<Message.Info>(p).catch(() => {})
-      if (!read) continue
-      result.push(read)
-    }
-    result.sort((a, b) => (a.id > b.id ? 1 : -1))
-    return result
-  }
-
-  export async function* list() {
-    for await (const item of Storage.list("session/info")) {
-      const sessionID = path.basename(item, ".json")
-      yield get(sessionID)
-    }
-  }
-
-  export function abort(sessionID: string) {
-    const controller = pending.get(sessionID)
-    if (!controller) return false
-    controller.abort()
-    pending.delete(sessionID)
-    return true
-  }
-
-  async function updateMessage(msg: Message.Info) {
-    await Storage.writeJSON(
-      "session/message/" + msg.metadata.sessionID + "/" + msg.id,
-      msg,
-    )
-    Bus.publish(Message.Event.Updated, {
-      info: msg,
-    })
-  }
-
-  export async function chat(input: {
-    sessionID: string
-    providerID: string
-    modelID: string
-    parts: Message.Part[]
-  }) {
-    const l = log.clone().tag("session", input.sessionID)
-    l.info("chatting")
-    const model = await Provider.getModel(input.providerID, input.modelID)
-    let msgs = await messages(input.sessionID)
-    const previous = msgs.at(-1)
-    if (previous?.metadata.assistant) {
-      const tokens =
-        previous.metadata.assistant.tokens.input +
-        previous.metadata.assistant.tokens.output
-      if (
-        tokens >
-        (model.info.contextWindow - (model.info.maxOutputTokens ?? 0)) * 0.9
-      ) {
-        await summarize({
-          sessionID: input.sessionID,
-          providerID: input.providerID,
-          modelID: input.modelID,
-        })
-        return chat(input)
-      }
-    }
-
-    using abort = lock(input.sessionID)
-
-    const lastSummary = msgs.findLast(
-      (msg) => msg.metadata.assistant?.summary === true,
-    )
-    if (lastSummary)
-      msgs = msgs.filter(
-        (msg) => msg.role === "system" || msg.id >= lastSummary.id,
-      )
-
-    const app = await App.use()
-    if (msgs.length === 0) {
-      const system: Message.Info = {
-        id: Identifier.ascending("message"),
-        role: "system",
-        parts: [
-          {
-            type: "text",
-            text: PROMPT_ANTHROPIC,
-          },
-        ],
-        metadata: {
-          sessionID: input.sessionID,
-          time: {
-            created: Date.now(),
-          },
-          tool: {},
-        },
-      }
-      const contextFile = Bun.file(path.join(app.root, "CONTEXT.md"))
-      if (await contextFile.exists()) {
-        const context = await contextFile.text()
-        system.parts.push({
-          type: "text",
-          text: context,
-        })
-      }
-      msgs.push(system)
-      generateText({
-        messages: convertToModelMessages([
-          {
-            role: "system",
-            parts: [
-              {
-                type: "text",
-                text: PROMPT_TITLE,
-              },
-            ],
-          },
-          {
-            role: "user",
-            parts: input.parts,
-          },
-        ]),
-        model: model.language,
-      }).then((result) => {
-        return Session.update(input.sessionID, (draft) => {
-          draft.title = result.text
-        })
-      })
-      await updateMessage(system)
-    }
-    const msg: Message.Info = {
-      role: "user",
-      id: Identifier.ascending("message"),
-      parts: input.parts,
-      metadata: {
-        time: {
-          created: Date.now(),
-        },
-        sessionID: input.sessionID,
-        tool: {},
-      },
-    }
-    await updateMessage(msg)
-    msgs.push(msg)
-
-    const next: Message.Info = {
-      id: Identifier.ascending("message"),
-      role: "assistant",
-      parts: [],
-      metadata: {
-        assistant: {
-          cost: 0,
-          tokens: {
-            input: 0,
-            output: 0,
-            reasoning: 0,
-          },
-          modelID: input.modelID,
-          providerID: input.providerID,
-        },
-        time: {
-          created: Date.now(),
-        },
-        sessionID: input.sessionID,
-        tool: {},
-      },
-    }
-    await updateMessage(next)
-    const tools: Record<string, AITool> = {}
-    for (const item of await Provider.tools(input.providerID)) {
-      tools[item.id.replaceAll(".", "_")] = tool({
-        id: item.id as any,
-        description: item.description,
-        parameters: item.parameters as ZodSchema,
-        async execute(args, opts) {
-          const start = Date.now()
-          try {
-            const result = await item.execute(args)
-            next.metadata!.tool![opts.toolCallId] = {
-              ...result.metadata,
-              time: {
-                start,
-                end: Date.now(),
-              },
-            }
-            return result.output
-          } catch (e: any) {
-            next.metadata!.tool![opts.toolCallId] = {
-              error: true,
-              message: e.toString(),
-              time: {
-                start,
-                end: Date.now(),
-              },
-            }
-            return e.toString()
-          }
-        },
-      })
-    }
-    const result = streamText({
-      onStepFinish: async (step) => {
-        const assistant = next.metadata!.assistant!
-        const usage = getUsage(step.usage, model.info)
-        assistant.cost = usage.cost
-        assistant.tokens = usage.tokens
-        await updateMessage(next)
-      },
-      abortSignal: abort.signal,
-      maxRetries: 6,
-      stopWhen: stepCountIs(1000),
-      messages: convertToModelMessages(msgs),
-      temperature: 0,
-      tools,
-      model: model.language,
-    })
-    let text: Message.TextPart | undefined
-    const reader = result.toUIMessageStream().getReader()
-    while (true) {
-      const result = await reader.read().catch((e) => {
-        if (e instanceof DOMException && e.name === "AbortError") {
-          return
-        }
-        throw e
-      })
-      if (!result) break
-      const { done, value } = result
-      if (done) break
-      l.info("part", {
-        type: value.type,
-      })
-      switch (value.type) {
-        case "start":
-          break
-        case "start-step":
-          text = undefined
-          next.parts.push({
-            type: "step-start",
-          })
-          break
-        case "text":
-          if (!text) {
-            text = value
-            next.parts.push(value)
-            break
-          }
-          text.text += value.text
-          break
-
-        case "tool-call":
-          next.parts.push({
-            type: "tool-invocation",
-            toolInvocation: {
-              state: "call",
-              ...value,
-              // hack until zod v4
-              args: value.args as any,
-            },
-          })
-          break
-
-        case "tool-result":
-          const match = next.parts.find(
-            (p) =>
-              p.type === "tool-invocation" &&
-              p.toolInvocation.toolCallId === value.toolCallId,
-          )
-          if (match && match.type === "tool-invocation") {
-            match.toolInvocation = {
-              args: match.toolInvocation.args,
-              toolCallId: match.toolInvocation.toolCallId,
-              toolName: match.toolInvocation.toolName,
-              state: "result",
-              result: value.result as string,
-            }
-          }
-          break
-
-        case "finish":
-          break
-        case "finish-step":
-          break
-        case "error":
-          log.error("error", value)
-          break
-
-        default:
-          l.info("unhandled", {
-            type: value.type,
-          })
-      }
-      await updateMessage(next)
-    }
-    next.metadata!.time.completed = Date.now()
-    await updateMessage(next)
-    return next
-  }
-
-  export async function summarize(input: {
-    sessionID: string
-    providerID: string
-    modelID: string
-  }) {
-    using abort = lock(input.sessionID)
-    const msgs = await messages(input.sessionID)
-    const lastSummary = msgs.findLast(
-      (msg) => msg.metadata.assistant?.summary === true,
-    )?.id
-    const filtered = msgs.filter(
-      (msg) => msg.role !== "system" && (!lastSummary || msg.id >= lastSummary),
-    )
-    const model = await Provider.getModel(input.providerID, input.modelID)
-    const next: Message.Info = {
-      id: Identifier.ascending("message"),
-      role: "assistant",
-      parts: [],
-      metadata: {
-        tool: {},
-        sessionID: input.sessionID,
-        assistant: {
-          summary: true,
-          cost: 0,
-          modelID: input.modelID,
-          providerID: input.providerID,
-          tokens: {
-            input: 0,
-            output: 0,
-            reasoning: 0,
-          },
-        },
-        time: {
-          created: Date.now(),
-        },
-      },
-    }
-    await updateMessage(next)
-    const result = await generateText({
-      abortSignal: abort.signal,
-      model: model.language,
-      messages: convertToModelMessages([
-        {
-          role: "system",
-          parts: [
-            {
-              type: "text",
-              text: PROMPT_SUMMARIZE,
-            },
-          ],
-        },
-        ...filtered,
-        {
-          role: "user",
-          parts: [
-            {
-              type: "text",
-              text: "Provide a detailed but concise summary of our conversation above. Focus on information that would be helpful for continuing the conversation, including what we did, what we're doing, which files we're working on, and what we're going to do next.",
-            },
-          ],
-        },
-      ]),
-    })
-    next.parts.push({
-      type: "text",
-      text: result.text,
-    })
-    const assistant = next.metadata!.assistant!
-    const usage = getUsage(result.usage, model.info)
-    assistant.cost = usage.cost
-    assistant.tokens = usage.tokens
-    await updateMessage(next)
-  }
-
-  const pending = new Map<string, AbortController>()
-  function lock(sessionID: string) {
-    log.info("locking", { sessionID })
-    if (pending.has(sessionID)) throw new BusyError(sessionID)
-    const controller = new AbortController()
-    pending.set(sessionID, controller)
-    return {
-      signal: controller.signal,
-      [Symbol.dispose]() {
-        log.info("unlocking", { sessionID })
-        pending.delete(sessionID)
-      },
-    }
-  }
-
-  function getUsage(usage: LanguageModelUsage, model: Provider.Model) {
-    const tokens = {
-      input: usage.inputTokens ?? 0,
-      output: usage.outputTokens ?? 0,
-      reasoning: usage.reasoningTokens ?? 0,
-    }
-    return {
-      cost: new Decimal(0)
-        .add(new Decimal(tokens.input).mul(model.cost.input))
-        .add(new Decimal(tokens.output).mul(model.cost.output))
-        .toNumber(),
-      tokens,
-    }
-  }
-
-  export class BusyError extends Error {
-    constructor(public readonly sessionID: string) {
-      super(`Session ${sessionID} is busy`)
-    }
-  }
-}

packages/opencode/src/session/system.ts

@@ -0,0 +1,104 @@
+import { App } from "../app/app"
+import { Ripgrep } from "../file/ripgrep"
+import { Global } from "../global"
+import { Filesystem } from "../util/filesystem"
+import { Config } from "../config/config"
+import path from "path"
+import os from "os"
+
+import PROMPT_ANTHROPIC from "./prompt/anthropic.txt"
+import PROMPT_BEAST from "./prompt/beast.txt"
+import PROMPT_GEMINI from "./prompt/gemini.txt"
+import PROMPT_ANTHROPIC_SPOOF from "./prompt/anthropic_spoof.txt"
+import PROMPT_SUMMARIZE from "./prompt/summarize.txt"
+import PROMPT_TITLE from "./prompt/title.txt"
+
+export namespace SystemPrompt {
+  export function provider(modelID: string) {
+    if (modelID.includes("gpt-") || modelID.includes("o1") || modelID.includes("o3")) return [PROMPT_BEAST]
+    if (modelID.includes("gemini-")) return [PROMPT_GEMINI]
+    return [PROMPT_ANTHROPIC]
+  }
+
+  export async function environment() {
+    const app = App.info()
+    return [
+      [
+        `Here is some useful information about the environment you are running in:`,
+        `<env>`,
+        `  Working directory: ${app.path.cwd}`,
+        `  Is directory a git repo: ${app.git ? "yes" : "no"}`,
+        `  Platform: ${process.platform}`,
+        `  Today's date: ${new Date().toDateString()}`,
+        `</env>`,
+        `<project>`,
+        `  ${
+          app.git
+            ? await Ripgrep.tree({
+                cwd: app.path.cwd,
+                limit: 200,
+              })
+            : ""
+        }`,
+        `</project>`,
+      ].join("\n"),
+    ]
+  }
+
+  const CUSTOM_FILES = [
+    "AGENTS.md",
+    "CLAUDE.md",
+    "CONTEXT.md", // deprecated
+  ]
+
+  export async function custom() {
+    const { cwd, root } = App.info().path
+    const config = await Config.get()
+    const found = []
+    for (const item of CUSTOM_FILES) {
+      const matches = await Filesystem.findUp(item, cwd, root)
+      found.push(...matches.map((x) => Bun.file(x).text()))
+    }
+    found.push(
+      Bun.file(path.join(Global.Path.config, "AGENTS.md"))
+        .text()
+        .catch(() => ""),
+    )
+    found.push(
+      Bun.file(path.join(os.homedir(), ".claude", "CLAUDE.md"))
+        .text()
+        .catch(() => ""),
+    )
+
+    if (config.instructions) {
+      for (const instruction of config.instructions) {
+        try {
+          const matches = await Filesystem.globUp(instruction, cwd, root)
+          found.push(...matches.map((x) => Bun.file(x).text()))
+        } catch {
+          continue // Skip invalid glob patterns
+        }
+      }
+    }
+
+    return Promise.all(found).then((result) => result.filter(Boolean))
+  }
+
+  export function summarize(providerID: string) {
+    switch (providerID) {
+      case "anthropic":
+        return [PROMPT_ANTHROPIC_SPOOF.trim(), PROMPT_SUMMARIZE]
+      default:
+        return [PROMPT_SUMMARIZE]
+    }
+  }
+
+  export function title(providerID: string) {
+    switch (providerID) {
+      case "anthropic":
+        return [PROMPT_ANTHROPIC_SPOOF.trim(), PROMPT_TITLE]
+      default:
+        return [PROMPT_TITLE]
+    }
+  }
+}