diff --git a/src/daemon/spawner.py b/src/daemon/spawner.py
index e4a7c63..5763b3b 100644
--- a/src/daemon/spawner.py
+++ b/src/daemon/spawner.py
@@ -389,6 +389,10 @@ curl -X POST http://{self.api_host}:{self.api_port}/api/projects/{project_id}/ta
                 raise AgentBusyError(agent_id)
             await self.counter.acquire(agent_id, _sid_key)
 
+        # 3.5 on_checks_passed: 所有检查通过后的回调（session + counter）
+        if on_checks_passed:
+            on_checks_passed()
+
         if self.dry_run:
             logger.info("[DRY RUN] Would spawn agent %s (session=%s)", agent_id, _sid_key)
             self._register_session(_sid_key, agent_id, task_id, pid=None)