[add] migration script

api/migrations/versions/8372101eda28_202601071400.py

@@ -0,0 +1,30 @@
+"""202601071400
+
+Revision ID: 8372101eda28
+Revises: 6064f41faac6
+Create Date: 2026-01-07 14:00:14.700994
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '8372101eda28'
+down_revision: Union[str, None] = '6064f41faac6'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('data_config', 'llm')
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('data_config', sa.Column('llm', sa.VARCHAR(), autoincrement=False, nullable=True, comment='LLM模型配置ID'))
+    # ### end Alembic commands ###