feat: add Ombi requests tab and webhook panel integration

- Add Ombi requests tab UI with movie/TV request display
- Add showAll parameter support for Ombi requests (API and SSE)
- Add Ombi webhook panel with enable/test functionality
- Add Ombi webhook status endpoint with metrics
- Add Ombi webhook test endpoint
- Change GET /api/ombi/requests to use OmbiRetriever instead of cache
- Add Ombi webhook state and API functions to frontend
- Update SSE payload to include Ombi baseUrl and requests

server/app.js

@@ -25,6 +25,7 @@ const statusRoutes = require('./routes/status');
 const historyRoutes = require('./routes/history');
 const authRoutes = require('./routes/auth');
 const webhookRoutes = require('./routes/webhook');
+const ombiRoutes = require('./routes/ombi');
 const verifyCsrf = require('./middleware/verifyCsrf');
 
 function createApp({ skipRateLimits = false } = {}) {
@@ -218,6 +219,7 @@ function createApp({ skipRateLimits = false } = {}) {
   app.use('/api/sonarr', sonarrRoutes);
   app.use('/api/radarr', radarrRoutes);
   app.use('/api/emby', embyRoutes);
+  app.use('/api/ombi', ombiRoutes);
   app.use('/api/dashboard', dashboardRoutes);
   app.use('/api/status', statusRoutes);
   app.use('/api/history', historyRoutes);