feat: sync latest ARR implementation

database/013_daily_upload_filename.down.sql

@@ -0,0 +1,37 @@
+-- Manual rollback for migration 013.
+-- Refuses to discard user-facing filename provenance once new uploads exist.
+
+BEGIN;
+
+DO $$
+BEGIN
+    IF current_database() <> 'booking_test' THEN
+        RAISE EXCEPTION
+            'ARR daily upload filename rollback is allowed only in booking_test';
+    END IF;
+    IF NOT EXISTS (
+        SELECT 1
+        FROM information_schema.columns
+        WHERE table_schema = 'ingestion'
+          AND table_name = 'processing_runs'
+          AND column_name = 'uploaded_filename'
+    ) THEN
+        RAISE EXCEPTION
+            'ARR daily upload filename migration is not applied';
+    END IF;
+    IF EXISTS (
+        SELECT 1
+        FROM ingestion.processing_runs
+        WHERE uploaded_filename IS NOT NULL
+    ) THEN
+        RAISE EXCEPTION
+            'refusing rollback: uploaded filename provenance exists';
+    END IF;
+END;
+$$;
+
+ALTER TABLE ingestion.processing_runs
+    DROP CONSTRAINT processing_runs_uploaded_filename_check,
+    DROP COLUMN uploaded_filename;
+
+COMMIT;