feat: add function to pause screen generation for up to 480min

chore: code quality

database/migrations/2025_07_10_164606_add_pause_until_to_devices_table.php

@@ -0,0 +1,22 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('devices', function (Blueprint $table) {
+            $table->dateTime('pause_until')->nullable()->after('last_refreshed_at');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('devices', function (Blueprint $table) {
+            $table->dropColumn('pause_until');
+        });
+    }
+};