refactor: 提取script_dir为模块级变量，清理procmem_sop涉敏感代码

agentmain.py

@@ -41,7 +41,6 @@ def get_system_prompt():
 
 class GeneraticAgent:
     def __init__(self):
-        script_dir = os.path.dirname(os.path.abspath(__file__))
         os.makedirs(os.path.join(script_dir, 'temp'), exist_ok=True)
         self.lock = threading.Lock()
         self.task_dir = None
@@ -137,7 +136,6 @@ class GeneraticAgent:
             self.history.append(f"[USER]: {rquery}")
             
             sys_prompt = get_system_prompt() + getattr(self.llmclient.backend, 'extra_sys_prompt', '')
-            script_dir = os.path.dirname(os.path.abspath(__file__))
             handler = GenericAgentHandler(self, self.history, os.path.join(script_dir, 'temp'))
             if self.handler and 'key_info' in self.handler.working: 
                 ki = re.sub(r'\n\[SYSTEM\] 此为.*?工作记忆[。\n]*', '', self.handler.working['key_info'])  # 去旧