fix: expose match live stream task error on failure

docker/crawler/match_live_stream.py

@@ -89,6 +89,24 @@ def _fetch_stream_payload(source_url: str, now_ts: int) -> Dict[str, str]:
     return parse_match_live_detail_html(response.text)
 
 
+def _build_run_result(candidate_count: int, success_count: int, failed_count: int) -> Dict[str, Any]:
+    summary_text = (
+        f"赛事直播流抓取完成: 待处理 {candidate_count} 条, "
+        f"成功 {success_count} 条, 失败 {failed_count} 条"
+    )
+    result = {
+        "success": failed_count == 0,
+        "candidate_count": candidate_count,
+        "saved_count": success_count,
+        "count": success_count,
+        "failed_count": failed_count,
+        "summary_text": summary_text,
+    }
+    if failed_count > 0:
+        result["error"] = f"赛事直播流抓取存在失败线路: 失败 {failed_count} 条"
+    return result
+
+
 class TaskFileLock:
     def __init__(self, name: str, lock_dir: Path | None = None):
         safe_name = "".join(ch if ch.isalnum() or ch in ("-", "_") else "_" for ch in str(name or "task"))
@@ -244,17 +262,7 @@ def run(db_config: Dict[str, Any]) -> Dict[str, Any]:
                 failed_count += 1
 
         candidate_count = len(rows)
-        return {
-            "success": failed_count == 0,
-            "candidate_count": candidate_count,
-            "saved_count": success_count,
-            "count": success_count,
-            "failed_count": failed_count,
-            "summary_text": (
-                f"赛事直播流抓取完成: 待处理 {candidate_count} 条, "
-                f"成功 {success_count} 条, 失败 {failed_count} 条"
-            ),
-        }
+        return _build_run_result(candidate_count, success_count, failed_count)
     finally:
         repo.close()
         lock.release()