Fix workflow system prompt bugs.

src/aios_kernel/agent_message.py

@@ -2,6 +2,7 @@ from enum import Enum
 import uuid
 import time 
 import re
+import shlex
 
 class AgentMsgType(Enum):
     TYPE_MSG = 0
@@ -123,19 +124,8 @@ class AgentMsg:
     
     @classmethod
     def parse_function_call(cls,func_string:str):
-        match = re.search(r'\s*(\w+)\s*\(\s*(.*)\s*\)\s*', func_string)
-        if not match:
-            return None
-
-        func_name = match.group(1)
-        if func_name is None:
-            return None
-        if len(func_name) < 2:
-            return None
-        
-        params_string = match.group(2).strip()    
-        params = re.split(r'\s*,\s*(?=(?:[^"]*"[^"]*")*[^"]*$)', params_string)
-        params = [param.strip('"') for param in params]
-
+        str_list = shlex.split(func_string)
+        func_name = str_list[0]
+        params = str_list[1:]
         return func_name, params