fix(httpapi): keep backend feature flagged

Author: kitlangton

packages/opencode/src/server/backend.ts

@@ -5,21 +5,13 @@ export type Backend = "effect-httpapi" | "hono"
 
 export type Selection = {
   backend: Backend
-  reason: "env" | "channel" | "stable" | "explicit"
+  reason: "env" | "stable" | "explicit"
 }
 
 export type Attributes = ReturnType<typeof attributes>
 
-const channelDefaultsToHttpApi = () =>
-  InstallationChannel === "local" ||
-  InstallationChannel === "dev" ||
-  InstallationChannel === "beta" ||
-  InstallationVersion.includes("-dev") ||
-  InstallationVersion.includes("-beta")
-
 export function select(): Selection {
   if (Flag.OPENCODE_EXPERIMENTAL_HTTPAPI) return { backend: "effect-httpapi", reason: "env" }
-  if (channelDefaultsToHttpApi()) return { backend: "effect-httpapi", reason: "channel" }
   return { backend: "hono", reason: "stable" }
 }
 

packages/opencode/test/server/httpapi-bridge.test.ts

@@ -146,9 +146,12 @@ afterEach(async () => {
 })
 
 describe("HttpApi server", () => {
-  test("defaults local/dev builds to the Effect HttpApi backend", () => {
+  test("keeps Effect HttpApi behind the feature flag", () => {
     Flag.OPENCODE_EXPERIMENTAL_HTTPAPI = false
-    expect(Server.backend().backend).toBe("effect-httpapi")
+    expect(Server.backend()).toEqual({ backend: "hono", reason: "stable" })
+
+    Flag.OPENCODE_EXPERIMENTAL_HTTPAPI = true
+    expect(Server.backend()).toEqual({ backend: "effect-httpapi", reason: "env" })
   })
 
   test("covers every generated OpenAPI route with Effect HttpApi contracts", async () => {