Initial Ladill Queue release — enterprise QMS standalone app.

Phases 1–6: tickets, counters, displays, appointments, workflows, rules, analytics, reports, feedback, admin, device API, and Gitea deploy workflow for queue.ladill.com.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Http/Controllers/Api/DeviceHeartbeatController.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use App\Http\Controllers\Controller;
+use App\Services\Qms\DeviceService;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class DeviceHeartbeatController extends Controller
+{
+    public function __construct(
+        protected DeviceService $devices,
+    ) {}
+
+    public function __invoke(Request $request): JsonResponse
+    {
+        $token = $request->bearerToken() ?? $request->input('device_token');
+        abort_unless($token, 401, 'Device token required.');
+
+        $device = $this->devices->findByToken($token);
+        abort_unless($device, 401, 'Invalid device token.');
+
+        $this->devices->recordHeartbeat($device);
+
+        return response()->json([
+            'status' => 'ok',
+            'device_id' => $device->uuid,
+            'server_time' => now()->toIso8601String(),
+        ]);
+    }
+}