fix: scope route lookup to namespace and skip sleep on last retry

- Pass namespace to get_route so it doesn't resolve against the wrong project
- Break out of retry loop on last attempt instead of sleeping needlessly

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: mpk-droid

agents/langgraph/react_agent/tests/integration/test_deployment.py

@@ -50,7 +50,7 @@ def deployed_agent(cluster_auth, agent_dir):
         run_make("deploy", cwd=agent_dir, timeout=300)
         deployed = True
 
-        route_url = get_route(AGENT_NAME)
+        route_url = get_route(AGENT_NAME, namespace=namespace)
         logger.info("Agent deployed at %s", route_url)
 
         yield route_url

tests/integration/utils.py

@@ -111,6 +111,8 @@ def health_check(
                 httpx.TimeoutException,
             ) as exc:
                 last_exc = exc
+                if attempt == retries - 1:
+                    break
                 wait = min(backoff * (2 ** attempt), 15.0)
                 logger.info(
                     "Health check attempt %d/%d failed, retrying in %.1fs: %s",