feat: add logging for Feishu streaming card updates and handle update failures more explicitly

app/modules/feishu/feishu.py

@@ -768,6 +768,7 @@ class Feishu:
             .build()
         )
         if response.success():
+            logger.info("飞书流式卡片更新成功：card_id=%s, sequence=%s, content_len=%s", card_id, sequence, len(content))
             return True
         logger.error(
             "飞书流式卡片内容更新失败：card_id=%s, element_id=%s, sequence=%s, code=%s, msg=%s, log_id=%s",
@@ -1249,8 +1250,10 @@ class Feishu:
             card_id = str(stream_meta.get("card_id") or "").strip()
             element_id = str(stream_meta.get("element_id") or self.STREAM_CARD_BODY_ELEMENT_ID).strip()
             sequence = int(stream_meta.get("sequence") or 0) + 1
+            logger.info("准备更新飞书流式卡片：card_id=%s, sequence=%s (before incr: %s)", card_id, sequence, stream_meta.get("sequence"))
             # 无论远端是否响应成功都自增 sequence，防止某次超时导致后续 sequence 一直因为没有递增而被拒绝
             stream_meta["sequence"] = sequence
+            
             if card_id and element_id:
                 if self._update_streaming_card_content(
                         card_id=card_id,
@@ -1259,6 +1262,7 @@ class Feishu:
                         sequence=sequence,
                 ):
                     return True
+                logger.error("飞书流式更新失败被拦截，直接返回 False 以防止降级为普通卡片")
                 return False
 
         card = self._build_card(title=title, text=text, link=None, buttons=buttons)