fix(priority): keep readable priority sync details

backend/app/services/website_sync.py

@@ -247,10 +247,11 @@ def _priority_result(
     account_name: str | None = None,
     old_priority: Any = None,
     source_rate: float | None = None,
+    target_group_name: str | None = None,
 ) -> dict:
     """构建统一的优先级同步结果 dict，支持丰富的展示和后向兼容性。"""
     tg_id = row.imported_target_group_id or row.group_id
-    tg_name = row.imported_target_group_name or tg_id
+    tg_name = target_group_name or row.imported_target_group_name or tg_id
     return {
         # 兼容旧字段
         "account_id": row.imported_account_id,
@@ -547,8 +548,9 @@ def sync_account_priorities_for_upstream(
                 auth_config=json.loads(website.auth_config_json or "{}"),
                 timeout=float(website.timeout_seconds),
             ) as client:
-                # 尽量拉取目标网站账号列表以获取账号名称和旧 priority，失败不阻断
+                # 尽量拉取目标网站账号列表以获取账号名称和旧 priority，并拉取分组以获取分组名称，失败不阻断
                 account_info_map: dict[str, dict[str, Any]] = {}
+                target_group_names: dict[str, str] = {}
                 try:
                     remote_accounts = client.list_accounts() or []
                     for acc in remote_accounts:
@@ -561,18 +563,33 @@ def sync_account_priorities_for_upstream(
                 except Exception as e:
                     logger.warning("failed to fetch remote accounts for website %s: %s", wid, e)
 
+                try:
+                    grps = client.get_groups(endpoint=website.groups_endpoint) or []
+                    for g in grps:
+                        g_id = g.get("id")
+                        if g_id is not None:
+                            target_group_names[str(g_id)] = g.get("name") or str(g_id)
+                except Exception as e:
+                    logger.warning("failed to fetch groups for website %s at sync: %s", wid, e)
+
                 for comp_rows in competitive_buckets.values():
                     for row in comp_rows:
                         account_id = row.imported_account_id
                         new_priority = priority_assignment.get(account_id)
                         if new_priority is None:
                             continue
-                        
+
                         acc_info = account_info_map.get(str(account_id)) or {}
                         acc_name = acc_info.get("name") or str(account_id)
                         old_prio = acc_info.get("priority")
                         src_rate = raw_rate_map.get(f"{row.upstream_id}:{row.group_id}")
 
+                        tg_id_str = str(row.imported_target_group_id or row.group_id)
+                        tg_name = target_group_names.get(tg_id_str)
+                        if tg_name and row.imported_target_group_name != tg_name:
+                            row.imported_target_group_name = tg_name
+                            db.commit()
+
                         try:
                             client.update_account(account_id, {"priority": new_priority})
                             logger.info(
@@ -590,6 +607,7 @@ def sync_account_priorities_for_upstream(
                                     account_name=acc_name,
                                     old_priority=old_prio,
                                     source_rate=src_rate,
+                                    target_group_name=tg_name or row.imported_target_group_name,
                                 )
                             )
                         except Exception as exc:
@@ -606,6 +624,7 @@ def sync_account_priorities_for_upstream(
                                     account_name=acc_name,
                                     old_priority=old_prio,
                                     source_rate=src_rate,
+                                    target_group_name=tg_name or row.imported_target_group_name,
                                 )
                             )
         except Exception as exc: