fix(priority): keep readable priority sync details

backend/app/routers/websites.py

@@ -579,6 +579,16 @@ def import_upstream_keys_as_accounts(
             pass
 
     with _client(website) as c:
+        target_group_names: dict[str, str] = {}
+        try:
+            grps = c.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 import: %s", wid, e)
+
         for row in rows:
             # 跳过远端已不存在或导入失败的 Key（对账后标记为 orphaned / import_failed）
             if row.status in ("orphaned", "failed", "import_failed"):
@@ -608,9 +618,12 @@ def import_upstream_keys_as_accounts(
                 if exists is True:
                     # 顺手回填 imported_target_group_id（老数据升级后可通过重导自动补齐）
                     new_tgid = body.target_group_map.get(row.group_id) or None
-                    if new_tgid and row.imported_target_group_id != new_tgid:
-                        row.imported_target_group_id = new_tgid
-                        db.commit()
+                    if new_tgid:
+                        tg_name = target_group_names.get(str(new_tgid))
+                        if row.imported_target_group_id != new_tgid or row.imported_target_group_name != tg_name:
+                            row.imported_target_group_id = new_tgid
+                            row.imported_target_group_name = tg_name
+                            db.commit()
                     items.append(ImportAccountItem(
                         upstream_key_id=row.id,
                         source_group_id=row.group_id,
@@ -683,7 +696,7 @@ def import_upstream_keys_as_accounts(
                 row.imported_account_id = account_id or None
                 row.imported_at = datetime.now(timezone.utc)
                 row.imported_target_group_id = target_group_id or None
-                row.imported_target_group_name = None  # target_group_map 只存 ID，name 展示用可留 NULL
+                row.imported_target_group_name = target_group_names.get(str(target_group_id)) if target_group_id else None
                 row.status = "imported"
                 row.error = None
                 db.commit()