refac

backend/open_webui/migrations/versions/856c5b02fb54_add_chat_message_meta.py

@@ -0,0 +1,25 @@
+"""add chat message meta
+
+Revision ID: 856c5b02fb54
+Revises: 42e2978c7933
+Create Date: 2026-07-16 01:39:39.291935
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = '856c5b02fb54'
+down_revision: Union[str, None] = '42e2978c7933'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.add_column('chat_message', sa.Column('meta', sa.JSON(), nullable=True))
+
+
+def downgrade() -> None:
+    op.drop_column('chat_message', 'meta')