feat(opencode): add typed application layer graph (#31531)

packages/opencode/src/session/compaction.ts

@@ -1,3 +1,4 @@
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { SessionV1 } from "@opencode-ai/core/v1/session"
 import { ConfigV1 } from "@opencode-ai/core/v1/config/config"
 import { Session } from "./session"
@@ -605,4 +606,15 @@ export const defaultLayer = Layer.suspend(() =>
   ),
 )
 
+export const node = LayerNode.make(layer, [
+  Config.node,
+  Session.node,
+  Agent.node,
+  Plugin.node,
+  SessionProcessor.node,
+  Provider.node,
+  EventV2Bridge.node,
+  RuntimeFlags.node,
+])
+
 export * as SessionCompaction from "./compaction"

packages/opencode/src/session/instruction.ts

@@ -1,3 +1,5 @@
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
+import { httpClient } from "@opencode-ai/core/effect/layer-node-platform"
 import path from "path"
 import { SessionV1 } from "@opencode-ai/core/v1/session"
 import { Effect, Layer, Context } from "effect"
@@ -234,4 +236,6 @@ export function loaded(messages: SessionV1.WithParts[]) {
   return extract(messages)
 }
 
+export const node = LayerNode.make(layer, [Config.node, FSUtil.node, Global.node, RuntimeFlags.node, httpClient])
+
 export * as Instruction from "./instruction"

packages/opencode/src/session/llm.ts

@@ -1,3 +1,5 @@
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
+import { llmClient } from "@opencode-ai/core/effect/layer-node-platform"
 import { PermissionV1 } from "@opencode-ai/core/v1/permission"
 import { Provider } from "@/provider/provider"
 import { SessionV1 } from "@opencode-ai/core/v1/session"
@@ -399,4 +401,15 @@ export const defaultLayer = Layer.suspend(() =>
 
 export const hasToolCalls = LLMRequestPrep.hasToolCalls
 
+export const node = LayerNode.make(layer, [
+  Auth.node,
+  Config.node,
+  Provider.node,
+  Plugin.node,
+  Permission.node,
+  EventV2Bridge.node,
+  llmClient,
+  RuntimeFlags.node,
+])
+
 export * as LLM from "./llm"

packages/opencode/src/session/processor.ts

@@ -1,3 +1,4 @@
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { PermissionV1 } from "@opencode-ai/core/v1/permission"
 import { Image } from "@/image/image"
 import { SessionV1 } from "@opencode-ai/core/v1/session"
@@ -1064,4 +1065,20 @@ export const defaultLayer = Layer.suspend(() =>
   ),
 )
 
+export const node = LayerNode.make(layer, [
+  Session.node,
+  Config.node,
+  Snapshot.node,
+  Agent.node,
+  LLM.node,
+  Permission.node,
+  Plugin.node,
+  SessionSummary.node,
+  SessionStatus.node,
+  Image.node,
+  EventV2Bridge.node,
+  RuntimeFlags.node,
+  Database.node,
+])
+
 export * as SessionProcessor from "./processor"

packages/opencode/src/session/prompt.ts

@@ -1,3 +1,4 @@
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { PermissionV1 } from "@opencode-ai/core/v1/permission"
 import path from "path"
 import { SessionV1 } from "@opencode-ai/core/v1/session"
@@ -1671,4 +1672,33 @@ const argsRegex = /(?:\[Image\s+\d+\]|"[^"]*"|'[^']*'|[^\s"']+)/gi
 const placeholderRegex = /\$(\d+)/g
 const quoteTrimRegex = /^["']|["']$/g
 
+export const node = LayerNode.make(layer, [
+  SessionStatus.node,
+  Session.node,
+  Agent.node,
+  Provider.node,
+  SessionProcessor.node,
+  SessionCompaction.node,
+  Plugin.node,
+  Command.node,
+  Config.node,
+  Permission.node,
+  FSUtil.node,
+  MCP.node,
+  LSP.node,
+  ToolRegistry.node,
+  Truncate.node,
+  Image.node,
+  CrossSpawnSpawner.node,
+  Instruction.node,
+  SessionRunState.node,
+  SessionRevert.node,
+  SessionSummary.node,
+  SystemPrompt.node,
+  LLM.node,
+  EventV2Bridge.node,
+  RuntimeFlags.node,
+  Database.node,
+])
+
 export * as SessionPrompt from "./prompt"

packages/opencode/src/session/revert.ts

@@ -1,3 +1,4 @@
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { Effect, Layer, Context, Schema } from "effect"
 import { SessionV1 } from "@opencode-ai/core/v1/session"
 import { EventV2Bridge } from "@/event-v2-bridge"
@@ -147,4 +148,13 @@ export const defaultLayer = Layer.suspend(() =>
   ),
 )
 
+export const node = LayerNode.make(layer, [
+  Session.node,
+  Snapshot.node,
+  Storage.node,
+  EventV2Bridge.node,
+  SessionSummary.node,
+  SessionRunState.node,
+])
+
 export * as SessionRevert from "./revert"

packages/opencode/src/session/run-state.ts

@@ -1,3 +1,4 @@
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { InstanceState } from "@/effect/instance-state"
 import { SessionV1 } from "@opencode-ai/core/v1/session"
 import { Runner } from "@/effect/runner"
@@ -150,4 +151,6 @@ function busyError(sessionID: SessionID) {
   return new Session.BusyError({ sessionID })
 }
 
+export const node = LayerNode.make(layer, [BackgroundJob.node, SessionStatus.node])
+
 export * as SessionRunState from "./run-state"

packages/opencode/src/session/session.ts

@@ -1,3 +1,4 @@
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { PermissionV1 } from "@opencode-ai/core/v1/permission"
 import { Slug } from "@opencode-ai/core/util/slug"
 import { SessionV1 } from "@opencode-ai/core/v1/session"
@@ -1113,4 +1114,6 @@ export function* listGlobal(input?: {
   }
 }
 
+export const node = LayerNode.make(layer, [BackgroundJob.node, RuntimeFlags.node, Database.node, EventV2Bridge.node])
+
 export * as Session from "./session"

packages/opencode/src/session/status.ts

@@ -1,3 +1,4 @@
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { InstanceState } from "@/effect/instance-state"
 import { SessionID } from "./schema"
 import { NonNegativeInt } from "@opencode-ai/core/schema"
@@ -91,4 +92,6 @@ export const layer = Layer.effect(
 
 export const defaultLayer = layer.pipe(Layer.provide(EventV2Bridge.defaultLayer))
 
+export const node = LayerNode.make(layer, [EventV2Bridge.node])
+
 export * as SessionStatus from "./status"

packages/opencode/src/session/summary.ts

@@ -1,3 +1,4 @@
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { Effect, Layer, Context, Schema } from "effect"
 import { SessionV1 } from "@opencode-ai/core/v1/session"
 import { EventV2Bridge } from "@/event-v2-bridge"
@@ -159,4 +160,6 @@ export const DiffInput = Schema.Struct({
 })
 export type DiffInput = Schema.Schema.Type<typeof DiffInput>
 
+export const node = LayerNode.make(layer, [Session.node, Snapshot.node, EventV2Bridge.node, Config.node])
+
 export * as SessionSummary from "./summary"

packages/opencode/src/session/system.ts

@@ -1,3 +1,4 @@
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { Context, Effect, Layer } from "effect"
 
 import { InstanceState } from "@/effect/instance-state"
@@ -81,4 +82,6 @@ export const layer = Layer.effect(
 
 export const defaultLayer = layer.pipe(Layer.provide(Skill.defaultLayer))
 
+export const node = LayerNode.make(layer, [Skill.node])
+
 export * as SystemPrompt from "./system"

packages/opencode/src/session/todo.ts

@@ -1,3 +1,4 @@
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { SessionID } from "./schema"
 import { Effect, Layer, Context, Schema } from "effect"
 import { Database } from "@opencode-ai/core/database/database"
@@ -84,4 +85,6 @@ export const layer = Layer.effect(
 
 export const defaultLayer = layer.pipe(Layer.provide(EventV2Bridge.defaultLayer), Layer.provide(Database.defaultLayer))
 
+export const node = LayerNode.make(layer, [EventV2Bridge.node, Database.node])
+
 export * as Todo from "./todo"