fix(gateway): detect stopped processes and release stale locks on --replace

gateway/run.py

@@ -5173,6 +5173,16 @@ async def start_gateway(config: Optional[GatewayConfig] = None, replace: bool =
                 except (ProcessLookupError, PermissionError):
                     pass
             remove_pid_file()
+            # Also release all scoped locks left by the old process.
+            # Stopped (Ctrl+Z) processes don't release locks on exit,
+            # leaving stale lock files that block the new gateway from starting.
+            try:
+                from gateway.status import release_all_scoped_locks
+                _released = release_all_scoped_locks()
+                if _released:
+                    logger.info("Released %d stale scoped lock(s) from old gateway.", _released)
+            except Exception:
+                pass
         else:
             hermes_home = os.getenv("HERMES_HOME", "~/.hermes")
             logger.error(