IMEI device API: telemetry, commands, receipts + migrations and routing

app/Models/Device.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Device extends Model
+{
+    protected $fillable = [
+        'user_id','name','imei','is_active','last_seen_at','last_ip',
+        'firmware_version','hardware_version',
+    ];
+
+    protected $casts = [
+        'is_active' => 'boolean',
+        'last_seen_at' => 'datetime',
+    ];
+}