refactor(httpapi): fork server startup by flag (#24799)

packages/opencode/src/server/routes/instance/httpapi/server.ts

@@ -1,4 +1,4 @@
-import { Effect, Layer, Schema } from "effect"
+import { Context, Effect, Layer, Schema } from "effect"
 import { HttpApiBuilder } from "effect/unstable/httpapi"
 import { HttpRouter, HttpServer, HttpServerRequest } from "effect/unstable/http"
 import { Bus } from "@/bus"
@@ -41,6 +41,8 @@ const Headers = Schema.Struct({
   "x-opencode-directory": Schema.optional(Schema.String),
 })
 
+export const context = Context.empty() as Context.Context<unknown>
+
 function decode(input: string) {
   try {
     return decodeURIComponent(input)