refactor(protocol): extract server contracts (#33708)

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

@@ -25,7 +25,9 @@ import { SessionApi } from "./groups/session"
 import { SyncApi } from "./groups/sync"
 import { TuiApi } from "./groups/tui"
 import { WorkspaceApi } from "./groups/workspace"
-import { makeApi } from "@opencode-ai/server/api"
+import { makeApi } from "@opencode-ai/protocol/api"
+import { LocationMiddleware } from "@opencode-ai/server/location"
+import { SessionLocationMiddleware } from "@opencode-ai/server/middleware/session-location"
 import { GlobalApi } from "./groups/global"
 import { Authorization } from "./middleware/authorization"
 import { SchemaErrorMiddleware } from "./middleware/schema-error"
@@ -43,7 +45,11 @@ const EventSchema = Schema.Union([
   InstanceDisposed,
 ]).annotate({ identifier: "Event" })
 
-export const ServerApi = makeApi(EventManifest.Latest.values().toArray())
+export const ServerApi = makeApi({
+  definitions: EventManifest.Latest.values().toArray(),
+  locationMiddleware: LocationMiddleware,
+  sessionLocationMiddleware: SessionLocationMiddleware,
+})
 
 export const RootHttpApi = HttpApi.make("opencode-root")
   .addHttpApi(ControlApi)