chore: relocate backend into apps/api ahead of monorepo merge

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

apps/api/routes/admin/admin.routes.js

@@ -0,0 +1,79 @@
+/***********************************************************************************************************************************************************************
+ * File Name: admin.routes.js
+ * Type of Program: Router
+ * Description: Protected routes accessible by admin only — full control.
+ *
+ * Route Map:
+ *   Dashboard : GET  /api/admin/dashboard
+ *   Users     : /api/admin/users/*
+ *   Groups    : /api/admin/groups/*
+ *   Assets    : /api/admin/assets/*
+ *
+ * Guards: authenticate → requireAdmin() → adminLimiter
+ *
+ * Author: rgrgogu and Kenneth Obsequio (@lash0000)
+ * Date Created: Oct. 6, 2025
+ * Date Modified: May 5, 2026
+ * Latest: May 19, 2026
+ ***********************************************************************************************************************************************************************/
+const express = require('express');
+const router  = express.Router();
+
+const { authenticate }  = require('../../middleware/auth.middleware');
+const { requireAdmin }  = require('../../middleware/rbac.middleware');
+const { adminLimiter }  = require('../../middleware/rateLimiter.middleware');
+
+const dashboardRoutes     = require('./dashboard.routes');
+const profileRoutes       = require('./profile.routes');
+const usersRoutes         = require('./users.routes');
+const groupsRoutes        = require('./groups.routes');
+const assetsRoutes        = require('./assets.routes');
+const coursesRoutes       = require('./courses.routes');
+const unitsRoutes         = require('./units.routes');
+const lessonsRoutes       = require('./lessons.routes');
+const taskRoutes          = require('./task.routes');
+const tiersRoutes           = require('./tiers.routes');
+const tierPoliciesRoutes    = require('./tier_policies.routes');
+const tierCategoriesRoutes  = require('./tier_categories.routes');
+const categoriesRoutes    = require('./categories.routes');
+const productsRoutes      = require('./products.routes');
+const advertisementRoutes  = require('./advertisements.routes');
+const notificationRoutes   = require('./notifications.routes');
+const notificationBroadcastRoutes = require('./notificationBroadcasts.routes');
+const notificationSettingsRoutes = require('./notificationSettings.routes');
+const mediaRoutes          = require('./media.routes');
+const achievementsRoutes   = require('./achievements.routes');
+const activityCtrl         = require('../../controllers/admin/user_activity.controller');
+
+// ── Guards — applied to ALL admin routes ──────────────────────────────────────
+router.use(authenticate, requireAdmin(), adminLimiter);
+
+// ── Mount ─────────────────────────────────────────────────────────────────────
+router.use('/dashboard', dashboardRoutes);
+router.use('/profile',  profileRoutes);
+router.use('/users',    usersRoutes);
+router.use('/groups', groupsRoutes);
+router.use('/assets', assetsRoutes);
+router.use('/courses', coursesRoutes);
+router.use('/units',   unitsRoutes);    // standalone Unit library (junction revamp)
+router.use('/lessons', lessonsRoutes);  // standalone Lesson library (junction revamp)
+router.use('/task-lists', taskRoutes);
+router.use('/tiers/categories', tierCategoriesRoutes);
+router.use('/tiers',            tiersRoutes);
+router.use('/tier-policies',    tierPoliciesRoutes);
+router.use('/categories', categoriesRoutes);
+router.use('/products',   productsRoutes);
+router.use('/advertisements',  advertisementRoutes);
+router.use('/notifications',   notificationRoutes);
+router.use('/notification-broadcasts', notificationBroadcastRoutes);
+router.use('/notification-settings', notificationSettingsRoutes);
+// Announcements (alias routes for notification broadcasts/settings)
+router.use('/announcements', notificationBroadcastRoutes);
+router.use('/announcement-settings', notificationSettingsRoutes);
+router.use('/media',           mediaRoutes);
+router.use('/achievements',    achievementsRoutes);
+
+// ── Activity feed — global ────────────────────────────────────────────────────
+router.get('/activity', activityCtrl.getActivity);
+
+module.exports = router;