feat: implement actual webhook delivery with Ray debugging

Added actual HTTP POST delivery for webhook notifications and comprehensive Ray debugging for development.

Changes:
- Updated Team model to implement SendsWebhook interface
- Added routeNotificationForWebhook() method to Team
- Enhanced SendWebhookJob with Ray logging for request/response
- Added Ray debugging to WebhookChannel for dispatch tracking
- Added Ray debugging to Webhook Livewire component

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

app/Notifications/Channels/WebhookChannel.php

@@ -15,11 +15,23 @@ class WebhookChannel
         $webhookSettings = $notifiable->webhookNotificationSettings;
 
         if (! $webhookSettings || ! $webhookSettings->isEnabled() || ! $webhookSettings->webhook_url) {
+            if (isDev()) {
+                ray('Webhook notification skipped - not enabled or no URL configured');
+            }
+
             return;
         }
 
         $payload = $notification->toWebhook();
 
+        if (isDev()) {
+            ray('Dispatching webhook notification', [
+                'notification' => get_class($notification),
+                'url' => $webhookSettings->webhook_url,
+                'payload' => $payload,
+            ]);
+        }
+
         SendWebhookJob::dispatch($payload, $webhookSettings->webhook_url);
     }
 }