code/ai_finance_agent/backend/migrations/script.py.mako

"""${message}；新迁移需说明数据兼容和回滚限制。"""
from alembic import op
import sqlalchemy as sa
${imports if imports else ""}
revision = ${repr(up_revision)}
down_revision = ${repr(down_revision)}
branch_labels = ${repr(branch_labels)}
depends_on = ${repr(depends_on)}

def upgrade():
    ${upgrades if upgrades else "pass"}

def downgrade():
    ${downgrades if downgrades else "pass"}