fix(feishu): unconditionally inc streaming sequence to prevent locking; send fallback as normal msg

app/modules/feishu/feishu.py

@@ -1240,13 +1240,14 @@ 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
+            # 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 and self._update_streaming_card_content(
                 card_id=card_id,
                 element_id=element_id,
                 content=self._escape_card_text(text).strip() or " ",
                 sequence=sequence,
             ):
-                stream_meta["sequence"] = sequence
                 return True
 
         card = self._build_card(title=title, text=text, link=None, buttons=buttons)