refactor: 使用假端口实现调度器单例控制

- 恢复 agentmain.py 到原始状态
- launch.pyw 使用端口 65432 检测单例
- 避免重复启动调度器实例

agentmain.py

@@ -110,33 +110,8 @@ class GeneraticAgent:
                 if self.handler is not None: self.handler.code_stop_signal.append(1)
 
     
-def acquire_singleton_lock():
-    """确保只有一个调度器实例运行"""
-    lock_file = './temp/scheduler.lock'
-    os.makedirs('./temp', exist_ok=True)
-    
-    if os.name == 'nt':  # Windows
-        import msvcrt
-        try:
-            lock_fd = open(lock_file, 'w')
-            msvcrt.locking(lock_fd.fileno(), msvcrt.LK_NBLCK, 1)
-            return lock_fd
-        except:
-            print('[Scheduler] Another instance is already running')
-            sys.exit(0)
-    else:  # Unix/Linux
-        import fcntl
-        try:
-            lock_fd = open(lock_file, 'w')
-            fcntl.flock(lock_fd.fileno(), fcntl.LOCK_EX | fcntl.LOCK_NB)
-            return lock_fd
-        except:
-            print('[Scheduler] Another instance is already running')
-            sys.exit(0)
-
 if __name__ == '__main__':
     from datetime import datetime
-    lock_fd = acquire_singleton_lock()  # 获取单例锁
     agent = GeneraticAgent()
     threading.Thread(target=agent.run, daemon=True).start()
     def drain(dq, tag):

launch.pyw

@@ -92,9 +92,19 @@ if __name__ == '__main__':
     else: print('[Launch] Telegram Bot disabled (--no-tg)')
     
     if not args.no_scheduler:
+        # 使用假端口检测单例
+        import socket
+        scheduler_port = 65432
+        try:
+            sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+            sock.bind(('127.0.0.1', scheduler_port))
+            sock.listen(1)
+            # 绑定成功，启动调度器
             scheduler_proc = subprocess.Popen([sys.executable, "agentmain.py"], creationflags=subprocess.CREATE_NO_WINDOW if os.name=='nt' else 0)
-        atexit.register(scheduler_proc.kill)
+            atexit.register(lambda: (scheduler_proc.kill(), sock.close()))
             print('[Launch] Task Scheduler started')
+        except OSError:
+            print('[Launch] Task Scheduler already running (port occupied)')
     else: print('[Launch] Task Scheduler disabled (--no-scheduler)')
 
     monitor_thread = threading.Thread(target=idle_monitor, daemon=True)