chore(home): mirror from kalinamall (9883e6a) with papatramp URLs

backend/alembic/versions/008_notification_cooldown.py

@@ -0,0 +1,31 @@
+"""notification_cooldown for SAC notify dedup (F-NOT-03)
+
+Revision ID: 008
+Revises: 007
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "008"
+down_revision: Union[str, None] = "007"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "notification_cooldown",
+        sa.Column("cooldown_key", sa.String(length=512), nullable=False),
+        sa.Column("kind", sa.String(length=16), nullable=False),
+        sa.Column("last_notified_at", sa.DateTime(timezone=True), nullable=False),
+        sa.PrimaryKeyConstraint("cooldown_key"),
+    )
+    op.create_index("ix_notification_cooldown_kind", "notification_cooldown", ["kind"])
+
+
+def downgrade() -> None:
+    op.drop_index("ix_notification_cooldown_kind", table_name="notification_cooldown")
+    op.drop_table("notification_cooldown")