feat: realtime notifications, fix broadcasting, add notifications page

- Fix: broadcasting.php config (was missing, broadcast failed)
- Fix: Echo class global scope (window.EchoClass)
- Fix: Nginx WebSocket proxy for Reverb
- Fix: Firewall port 8087 opened
- Fix: Duplicate event listener cleanup
- Fix: Mark as read functionality
- Add: CreateViolationNotification listener
- Add: Notifications index page with pagination
- Add: Timezone Asia/Jakarta support
- Add: Real-time badge across all pages
- Remove: toOthers() so recorder also gets notification
- Update: .env.example with new variables

config/app.php

@@ -65,7 +65,7 @@ return [
     |
     */
 
-    'timezone' => 'UTC',
+    'timezone' => env('APP_TIMEZONE', 'UTC'),
 
     /*
     |--------------------------------------------------------------------------

config/broadcasting.php

@@ -0,0 +1,56 @@
+<?php
+
+return [
+
+    'default' => env('BROADCAST_CONNECTION', 'reverb'),
+
+    'connections' => [
+
+        'reverb' => [
+            'driver' => 'reverb',
+            'key' => env('REVERB_APP_KEY'),
+            'secret' => env('REVERB_APP_SECRET'),
+            'app_id' => env('REVERB_APP_ID'),
+            'options' => [
+                'host' => env('REVERB_HOST', 'localhost'),
+                'port' => env('REVERB_PORT', 8087),
+                'scheme' => env('REVERB_SCHEME', 'http'),
+                'useTLS' => env('REVERB_SCHEME', 'https') === 'https',
+            ],
+            'client_options' => [
+                // Guzzle client options
+            ],
+        ],
+
+        'pusher' => [
+            'driver' => 'pusher',
+            'key' => env('PUSHER_APP_KEY'),
+            'secret' => env('PUSHER_APP_SECRET'),
+            'app_id' => env('PUSHER_APP_ID'),
+            'options' => [
+                'cluster' => env('PUSHER_APP_CLUSTER'),
+                'host' => env('PUSHER_HOST') ?: 'api-'.env('PUSHER_APP_CLUSTER', 'mt1').'.pusher.com',
+                'port' => env('PUSHER_PORT', 443),
+                'scheme' => env('PUSHER_SCHEME', 'https'),
+                'encrypted' => true,
+                'useTLS' => env('PUSHER_SCHEME', 'https') === 'https',
+            ],
+            'client_options' => [],
+        ],
+
+        'ably' => [
+            'driver' => 'ably',
+            'key' => env('ABLY_KEY'),
+        ],
+
+        'log' => [
+            'driver' => 'log',
+        ],
+
+        'null' => [
+            'driver' => 'null',
+        ],
+
+    ],
+
+];