Merge fix/post-sessions-response-shape: POST /sessions returns full shape

extensions/remote-control/server/routes/sessions.ts

@@ -1,7 +1,7 @@
 /**
  * S-09 — multi-session CRUD routes.
  *
- * POST   /sessions              → { id, name }
+ * POST   /sessions              → { id, name, state, lastOutputAt }
  * GET    /sessions              → [{ id, name, description, state, lastOutputAt }]
  * PATCH  /sessions/:id          → updates @description
  * DELETE /sessions/:id          → kills tmux session, optionally clears buffer
@@ -110,7 +110,9 @@ async function handleCreate(
 
   try {
     const id = await spawnSession({ name });
-    sendJson(res, 201, { id, name });
+    // Include state + lastOutputAt to match the GET /sessions response shape
+    // so iOS clients can decode the response with the same type.
+    sendJson(res, 201, { id, name, state: "idle", lastOutputAt: "" });
   } catch (err) {
     sendJson(res, 500, { error: "internal_error", message: String(err) });
   }