确认PokieTicker新闻库数据源

backend/agents/analyst.py

@@ -48,15 +48,19 @@ class AnalystAgent(ReActAgent):
                 f"Must be one of: {list(ANALYST_TYPES.keys())}",
             )
 
-        self.analyst_type_key = analyst_type
-        self.analyst_persona = ANALYST_TYPES[analyst_type]["display_name"]
+        object.__setattr__(self, "analyst_type_key", analyst_type)
+        object.__setattr__(
+            self,
+            "analyst_persona",
+            ANALYST_TYPES[analyst_type]["display_name"],
+        )
 
         if agent_id is None:
             agent_id = analyst_type
-        self.agent_id = agent_id
+        object.__setattr__(self, "agent_id", agent_id)
 
-        self.config = config or {}
-        self.toolkit = toolkit
+        object.__setattr__(self, "config", config or {})
+        object.__setattr__(self, "toolkit", toolkit)
         sys_prompt = self._load_system_prompt()
 
         kwargs = {
@@ -125,4 +129,12 @@ class AnalystAgent(ReActAgent):
             self.config.get("config_name", "default"),
             active_skill_dirs=active_skill_dirs,
         )
-        self.sys_prompt = self._load_system_prompt()
+        self._apply_runtime_sys_prompt(self._load_system_prompt())
+
+    def _apply_runtime_sys_prompt(self, sys_prompt: str) -> None:
+        """Update the prompt used by future turns and the cached system msg."""
+        self._sys_prompt = sys_prompt
+        for msg, _marks in self.memory.content:
+            if getattr(msg, "role", None) == "system":
+                msg.content = sys_prompt
+                break