feat: 增强日志功能并添加rich依赖

- 添加rich库依赖以改进日志显示
- 在各模块添加详细调试日志，包括消息处理、命令执行和工具调用过程
- 使用RichHandler美化日志输出并抑制第三方库的噪音日志
- 在关键路径添加日志记录，便于问题排查

orchestrator/agent.py

@@ -83,22 +83,36 @@ class OrchestrationAgent:
 
     async def run(self, user_id: str, text: str) -> str:
         """Process a user message and return the agent's reply."""
+        active_conv = self._active_conv[user_id]
+        logger.debug(
+            "[mailboy] run | user=%s active_conv=%s msg=%r",
+            user_id, active_conv, text[:120],
+        )
+
         messages: List[BaseMessage] = (
             [SystemMessage(content=self._build_system_prompt(user_id))]
             + self._history[user_id]
             + [HumanMessage(content=text)]
         )
+        logger.debug("[mailboy] history_len=%d", len(self._history[user_id]))
 
         reply = ""
         try:
-            for _ in range(MAX_ITERATIONS):
+            for iteration in range(MAX_ITERATIONS):
+                logger.debug("[mailboy] LLM call iteration=%d", iteration)
                 ai_msg: AIMessage = await self._llm_with_tools.ainvoke(messages)
                 messages.append(ai_msg)
 
                 if not ai_msg.tool_calls:
                     reply = ai_msg.content or ""
+                    logger.debug("[mailboy] final reply (no tool calls): %r", reply[:200])
                     break
 
+                logger.debug(
+                    "[mailboy] tool_calls=%s",
+                    [(tc["name"], tc["args"]) for tc in ai_msg.tool_calls],
+                )
+
                 for tc in ai_msg.tool_calls:
                     tool_name = tc["name"]
                     tool_args = tc["args"]
@@ -107,11 +121,15 @@ class OrchestrationAgent:
                     tool_obj = _TOOL_MAP.get(tool_name)
                     if tool_obj is None:
                         result = f"Unknown tool: {tool_name}"
+                        logger.warning("[mailboy] unknown tool: %s", tool_name)
                     else:
+                        logger.debug("[mailboy] calling tool %s args=%s", tool_name, tool_args)
                         try:
                             result = await tool_obj.arun(tool_args)
                         except Exception as exc:
                             result = f"Tool error: {exc}"
+                            logger.error("[mailboy] tool %s error: %s", tool_name, exc)
+                    logger.debug("[mailboy] tool %s result: %r", tool_name, str(result)[:300])
 
                     # If a session was just created, record it as the active session
                     if tool_name == "create_conversation":
@@ -120,7 +138,7 @@ class OrchestrationAgent:
                             if "conv_id" in data:
                                 self._active_conv[user_id] = data["conv_id"]
                                 logger.info(
-                                    "Active session for %s set to %s",
+                                    "[mailboy] active session for %s set to %s",
                                     user_id, data["conv_id"],
                                 )
                         except Exception:
@@ -131,11 +149,14 @@ class OrchestrationAgent:
                     )
             else:
                 reply = "[Max iterations reached]"
+                logger.warning("[mailboy] max iterations reached for user=%s", user_id)
 
         except Exception as exc:
-            logger.exception("Agent error for user %s", user_id)
+            logger.exception("[mailboy] agent error for user=%s", user_id)
             reply = f"[Error] {exc}"
 
+        logger.info("[mailboy] user=%s reply=%r", user_id, reply[:200])
+
         # Update history
         self._history[user_id].append(HumanMessage(content=text))
         self._history[user_id].append(AIMessage(content=reply))