feat(api): add queue notifications module

apps/api/src/queue-notifications/queue-notifications.controller.ts

@@ -0,0 +1,34 @@
+import { Controller, Get, Param, Post, Res, UseGuards } from "@nestjs/common";
+import type { Response } from "express";
+import { ApiKeyGuard } from "../common/guards/api-key.guard";
+import {
+  QueueNotificationsService,
+  type QueueNotification,
+  type QueueTask,
+} from "./queue-notifications.service";
+
+@Controller("queue")
+@UseGuards(ApiKeyGuard)
+export class QueueNotificationsController {
+  constructor(private readonly queueNotificationsService: QueueNotificationsService) {}
+
+  @Get("notifications")
+  async getNotifications(): Promise<QueueNotification[]> {
+    return this.queueNotificationsService.listNotifications();
+  }
+
+  @Get("notifications/stream")
+  async streamNotifications(@Res() res: Response): Promise<void> {
+    await this.queueNotificationsService.streamNotifications(res);
+  }
+
+  @Post("notifications/:id/ack")
+  async ackNotification(@Param("id") id: string): Promise<{ success: true; id: string }> {
+    return this.queueNotificationsService.ackNotification(id);
+  }
+
+  @Get("tasks")
+  async getTasks(): Promise<QueueTask[]> {
+    return this.queueNotificationsService.listTasks();
+  }
+}