feat: add realtime

apps/api/src/devices/devices.controller.ts

@@ -9,7 +9,7 @@ import {
   HttpStatus,
   Req,
 } from '@nestjs/common';
-import { Throttle } from '@nestjs/throttler';
+import { SkipThrottle, Throttle } from '@nestjs/throttler';
 import { ApiTags, ApiOperation, ApiBearerAuth, ApiResponse } from '@nestjs/swagger';
 import { DevicesService } from './devices.service';
 import { AuthService } from '../auth/auth.service';
@@ -37,7 +37,10 @@ export class DevicesController {
     return this.authService.registerDevice(dto.venueId, dto.name, dto.registrationCode);
   }
 
+  // Authenticated by the device token; the till must never be rate-limited out by other
+  // traffic from the venue's shared IP
   @Post(':deviceId/sync')
+  @SkipThrottle()
   @UseGuards(DeviceAuthGuard)
   @ApiOperation({ summary: 'Sync device state with server' })
   @ApiResponse({ status: 200, description: 'Sync successful, returns pending commands' })
@@ -46,6 +49,7 @@ export class DevicesController {
   }
 
   @Post(':deviceId/commands/:commandId/ack')
+  @SkipThrottle()
   @UseGuards(DeviceAuthGuard)
   @ApiOperation({ summary: 'Acknowledge a command result' })
   @ApiResponse({ status: 200, description: 'Command acknowledged' })