D09: Import record event history for revision tracking

- Add ImportRecordEvent model to track per-record import changes
- Log created/updated events for each official record import
- Add alembic migration 0014 for import_record_event table
- Enables audit trail for which import run modified which records

apps/api/alembic/versions/48094a7d1b92_add_import_record_event_table.py

@@ -0,0 +1,27 @@
+"""add_import_record_event_table
+
+Revision ID: 48094a7d1b92
+Revises: 0013
+"""
+from typing import Sequence, Union
+from alembic import op
+import sqlalchemy as sa
+
+
+revision: str = '48094a7d1b92'
+down_revision: Union[str, None] = '0013'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+def upgrade() -> None:
+    op.create_table(
+        "import_record_event",
+        sa.Column("id", sa.Uuid(), server_default=sa.func.gen_random_uuid(), primary_key=True),
+        sa.Column("catch_report_id", sa.Uuid(), sa.ForeignKey("catch_report.id"), nullable=False, index=True),
+        sa.Column("import_run_id", sa.Uuid(), sa.ForeignKey("official_record_import.id"), nullable=False, index=True),
+        sa.Column("event_type", sa.String(20), nullable=False),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
+    )
+
+def downgrade() -> None:
+    op.drop_table("import_record_event")