feat(score): support pin score

migrations/versions/319e5f841dcf_score_support_pin_score.py

@@ -0,0 +1,34 @@
+"""score: support pin score
+
+Revision ID: 319e5f841dcf
+Revises: 19cdc9ce4dcb
+Create Date: 2025-08-10 14:07:51.749025
+
+"""
+
+from __future__ import annotations
+
+from collections.abc import Sequence
+
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision: str = "319e5f841dcf"
+down_revision: str | Sequence[str] | None = "19cdc9ce4dcb"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("scores", sa.Column("pinned_order", sa.Integer(), nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("scores", "pinned_order")
+    # ### end Alembic commands ###