feat(server): add loaded locations debug endpoint

packages/server/src/handlers.ts

@@ -13,6 +13,7 @@ import { EventHandler } from "./handlers/event"
 import { AgentHandler } from "./handlers/agent"
 import { PluginHandler } from "./handlers/plugin"
 import { HealthHandler } from "./handlers/health"
+import { DebugHandler } from "./handlers/debug"
 import { PtyHandler } from "./handlers/pty"
 import { ShellHandler } from "./handlers/shell"
 import { QuestionHandler } from "./handlers/question"
@@ -27,6 +28,7 @@ import { VcsHandler } from "./handlers/vcs"
 
 export const handlers = Layer.mergeAll(
   HealthHandler,
+  DebugHandler,
   LocationHandler,
   AgentHandler,
   PluginHandler,

packages/server/src/handlers/debug.ts

@@ -0,0 +1,14 @@
+import { LocationServiceMap } from "@opencode-ai/core/location-service-map"
+import { Effect, Option, RcMap } from "effect"
+import { HttpApiBuilder } from "effect/unstable/httpapi"
+import { Api } from "../api"
+
+export const DebugHandler = HttpApiBuilder.group(Api, "server.debug", (handlers) =>
+  handlers.handle(
+    "debug.location",
+    Effect.fn(function* () {
+      const locations = Option.getOrThrow(yield* Effect.serviceOption(LocationServiceMap.Service))
+      return Array.from(yield* RcMap.keys(locations.rcMap))
+    }),
+  ),
+)

packages/server/src/routes.ts

@@ -83,7 +83,7 @@ function makeRoutes<AuthError, AuthServices>(
     : AppNodeBuilder.build(applicationServices, replacements)
 
   return HttpApiBuilder.layer(Api, { openapiPath: "/openapi.json" }).pipe(
-    Layer.provide(handlers),
+    Layer.provide(handlers.pipe(Layer.provide(serviceLayer))),
     Layer.provide(formLocationLayer),
     Layer.provide(sessionLocationLayer),
     Layer.provide(layer),