feat(staff): action buttons → filtered customer/group list

Adds groups.user_id filter; viewCustomers/viewGroups push owner_account_id query; CustomerList/GroupList read it.

Co-Authored-By: Claude <noreply@anthropic.com>

yunke-server/app/api/routers/groups.py

@@ -1,8 +1,9 @@
 """GET /api/groups, /api/groups/{room_id}/members — chat-group browse endpoints.
 
 * ``GET /api/groups`` -> ``Page[GroupOut]`` filtered by ``channel`` /
-  ``owner_account_id``, ordered by ``last_chat_time desc`` (nulls last) so
-  recently-active groups surface first.
+  ``owner_account_id`` / ``user_id`` (the latter mapping to the
+  ``owner_user_id`` column), ordered by ``last_chat_time desc`` (nulls last)
+  so recently-active groups surface first.
 * ``GET /api/groups/{room_id}/members`` -> ``list[GroupMemberOut]`` — the
   members of a single group (small set, no pagination needed).
 """
@@ -33,13 +34,22 @@ async def list_groups(
     page_size: PageSizeParam = 20,
     channel: Annotated[str | None, Query()] = None,
     owner_account_id: Annotated[str | None, Query()] = None,
+    user_id: Annotated[str | None, Query()] = None,
 ) -> Page[GroupOut]:
-    """List chat groups with optional ``channel`` / ``owner_account_id`` filters."""
+    """List chat groups with optional ``channel`` / ``owner_account_id`` /
+    ``user_id`` filters.
+
+    ``user_id`` maps to the ``ChatGroup.owner_user_id`` column (the staff
+    ``userId`` who owns the chatroom account), mirroring the ``user_id``
+    filter on ``GET /api/customers``.
+    """
     conditions = []
     if channel is not None:
         conditions.append(ChatGroup.channel == channel)
     if owner_account_id is not None:
         conditions.append(ChatGroup.owner_account_id == owner_account_id)
+    if user_id is not None:
+        conditions.append(ChatGroup.owner_user_id == user_id)
 
     total_stmt = sa.select(sa.func.count()).select_from(ChatGroup)
     if conditions: