add: add role's custom config

config/config2.example.yaml

@@ -14,7 +14,6 @@ llm:
   # See for more: https://azure.microsoft.com/en-us/pricing/details/cognitive-services/openai-service/
 
 # Role's custom configuration
-# Priority: Role's configuration > Global configuration
 roles:
   - role: "ProductManager" # role's className or role's role_id
     llm:

metagpt/config2.py

@@ -77,7 +77,7 @@ class Config(CLIParams, YamlModel):
     azure_tts_subscription_key: str = ""
     azure_tts_region: str = ""
 
-    # Role's custom configuration, Priority: Role's configuration > Global configuration
+    # Role's custom configuration
     roles: Optional[List[RoleCustomConfig]] = None
 
     @classmethod

metagpt/roles/role.py

@@ -167,12 +167,6 @@ class Role(SerializationMixin, ContextMixin, BaseModel):
         if self.is_human:
             self.llm = HumanProvider(None)
 
-        if self.context.config.roles:
-            _context, _in = self.get_custom_role_config()
-            if _in:
-                self.context = _context
-                self.llm = LLM(llm_config=self.context.config.llm)
-
         self._check_actions()
         self.llm.system_prompt = self._get_prefix()
         self.llm.cost_manager = self.context.cost_manager
@@ -246,29 +240,6 @@ class Role(SerializationMixin, ContextMixin, BaseModel):
     def _setting(self):
         return f"{self.name}({self.profile})"
 
-    def get_custom_role_config(self):
-        """
-        check and get current role's custom config
-        1.Check if the custom configurations exist
-        2.Check if the current role exist in custom configurations
-        3.Update corresponding configurations item by item based on custom configurations
-        :return:
-            _context:replaced the corresponding configuration context with custom config
-            _in:current role has custom config
-        """
-        _context = self.context
-        _in = False
-        if self and self.context.config.roles:
-            for role_config in self.context.config.roles:
-                if (not bool(self.role_id) and self.role_id == role_config.role) or type(
-                        self).__name__ == role_config.role:
-                    _in = True
-                    for key, _ in role_config.model_fields.items():
-                        if key not in ["role", "extra_fields"]:
-                            setattr(_context.config, key, getattr(role_config, key))
-                    break
-        return _context, _in
-
     def _check_actions(self):
         """Check actions and set llm and prefix for each action."""
         self.set_actions(self.actions)