diff --git a/src/daemon/spawner.py b/src/daemon/spawner.py
index 606243b..9b29373 100644
--- a/src/daemon/spawner.py
+++ b/src/daemon/spawner.py
@@ -502,7 +502,12 @@ curl -X POST http://{self.api_host}:{self.api_port}/api/projects/{project_id}/ta
             if session_state.get("lock_pid_alive") and not session_state.get("lock_expired"):
                 blockers.append(("session_locked", session_state.get("lock_pid")))
             if session_state.get("status") == "running":
-                blockers.append(("session_running", None))
+                if session_state.get("lock_pid_alive"):
+                    # 真 running：外部进程占用
+                    blockers.append(("session_running", None))
+                else:
+                    # 假 running：lock PID 死了但 status 还在 running → Phase 2.5 处理
+                    pass
             if session_state.get("recent_compact"):
                 blockers.append(("session_compacting", None))