Warehouse zone occupancy heatmap

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

apps/edr-freight-api/src/modules/warehouses/warehouse-inventory.controller.ts

@@ -52,6 +52,12 @@ export class WarehouseInventoryController {
     return this.inventoryService.arrivalQueue();
   }
 
+  @Get('zone-occupancy')
+  @ApiOperation({ summary: 'Live occupancy per zone (rated capacity vs held) — heatmap data' })
+  zoneOccupancy(@Query('yardId') yardId?: string) {
+    return this.inventoryService.zoneOccupancy(yardId);
+  }
+
   @Post('auto-unload-arrived')
   @ApiOperation({ summary: 'Bulk auto-unload all arrived bookings into the warehouse' })
   autoUnloadArrived() {