feat: configurable invite expiry time (#1573)

api/config.py

     'UPLOAD_FILE_BATCH_LIMIT': 5,
     'UPLOAD_IMAGE_FILE_SIZE_LIMIT': 10,
     'OUTPUT_MODERATION_BUFFER_SIZE': 300,
-    'MULTIMODAL_SEND_IMAGE_FORMAT': 'base64'
+    'MULTIMODAL_SEND_IMAGE_FORMAT': 'base64',
+    'INVITE_EXPIRY_HOURS': 72
 }
 
 
         self.MAIL_TYPE = get_env('MAIL_TYPE')
         self.MAIL_DEFAULT_SEND_FROM = get_env('MAIL_DEFAULT_SEND_FROM')
         self.RESEND_API_KEY = get_env('RESEND_API_KEY')
+        
+        # ------------------------
+        # Workpace Configurations.
+        # ------------------------
+        self.INVITE_EXPIRY_HOURS = int(get_env('INVITE_EXPIRY_HOURS'))
 
         # ------------------------
         # Sentry Configurations.

api/services/account_service.py

             'email': account.email,
             'workspace_id': tenant.id,
         }
+        expiryHours = current_app.config['INVITE_EXPIRY_HOURS']
         redis_client.setex(
             cls._get_invitation_token_key(token),
-            3600,
+            expiryHours * 60 * 60,
             json.dumps(invitation_data)
         )
         return token