refactor: 移除 agent 批量重试逻辑中的多余 try 块并优化缩进

app/agent/__init__.py

@@ -70,7 +70,7 @@ class _ThinkTagStripper:
                         on_output(self.buffer[:start_idx])
                         emitted = True
                     self.in_think_tag = True
-                    self.buffer = self.buffer[start_idx + 7 :]
+                    self.buffer = self.buffer[start_idx + 7:]
                 else:
                     # 检查是否以 <think> 的不完整前缀结尾
                     partial_match = False
@@ -90,7 +90,7 @@ class _ThinkTagStripper:
                 end_idx = self.buffer.find("</think>")
                 if end_idx != -1:
                     self.in_think_tag = False
-                    self.buffer = self.buffer[end_idx + 8 :]
+                    self.buffer = self.buffer[end_idx + 8:]
                 else:
                     # 检查是否以 </think> 的不完整前缀结尾
                     partial_match = False
@@ -875,7 +875,6 @@ class AgentManager:
         if not history_ids:
             return
 
-        try:
         session_id = f"__agent_retry_transfer_batch_{uuid.uuid4().hex[:8]}__"
         user_id = "system"
 
@@ -935,6 +934,8 @@ class AgentManager:
                 f"Respond in Chinese (中文)."
             )
 
+        try:
+
             await self.process_message(
                 session_id=session_id,
                 user_id=user_id,