Add webhook notification functionality with configuration options

src/pages/api/env.ts

@@ -10,6 +10,7 @@ const handler = async (req: NextApiRequest, res: NextApiResponse) => {
     try {
       const EVE_SSO_CALLBACK_URL = process.env.EVE_SSO_CALLBACK_URL;
       const EVE_SSO_CLIENT_ID = process.env.EVE_SSO_CLIENT_ID;
+      const WEBHOOK_ENABLED = !!process.env.WEBHOOK_URL;
 
       if (!EVE_SSO_CALLBACK_URL || !EVE_SSO_CLIENT_ID) {
         logger.error({ 
@@ -27,11 +28,16 @@ const handler = async (req: NextApiRequest, res: NextApiResponse) => {
         event: 'env_request_success',
         vars: {
           hasCallbackUrl: true,
-          hasClientId: true
+          hasClientId: true,
+          webhookEnabled: WEBHOOK_ENABLED
         }
       });
 
-      return res.json({ EVE_SSO_CLIENT_ID, EVE_SSO_CALLBACK_URL });
+      return res.json({ 
+        EVE_SSO_CLIENT_ID, 
+        EVE_SSO_CALLBACK_URL, 
+        WEBHOOK_ENABLED
+      });
     } catch (e) {
       logger.error({ 
         event: 'env_request_failed',