Warehouse zone occupancy heatmap

Visualize live per-zone occupancy on the warehouse detail page.

apps/edr-freight-api/src/migrations/2120000000000-AddLastMileProofOfDelivery.ts

@@ -0,0 +1,34 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+/**
+ * Proof of delivery for EDR last-mile: recipient name, a captured signature
+ * (stored as a file), delivery photos (file ids), notes, and the capture time.
+ * Recorded when the driver completes the delivery.
+ */
+export class AddLastMileProofOfDelivery2120000000000
+  implements MigrationInterface
+{
+  name = "AddLastMileProofOfDelivery2120000000000";
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      ALTER TABLE freight.last_mile
+        ADD COLUMN IF NOT EXISTS pod_recipient_name varchar(160),
+        ADD COLUMN IF NOT EXISTS pod_signature_file_id uuid,
+        ADD COLUMN IF NOT EXISTS pod_photo_file_ids text[] NOT NULL DEFAULT '{}',
+        ADD COLUMN IF NOT EXISTS pod_notes text,
+        ADD COLUMN IF NOT EXISTS pod_captured_at timestamptz
+    `);
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      ALTER TABLE freight.last_mile
+        DROP COLUMN IF EXISTS pod_recipient_name,
+        DROP COLUMN IF EXISTS pod_signature_file_id,
+        DROP COLUMN IF EXISTS pod_photo_file_ids,
+        DROP COLUMN IF EXISTS pod_notes,
+        DROP COLUMN IF EXISTS pod_captured_at
+    `);
+  }
+}