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/utils/poller.js

@@ -5,7 +5,8 @@ const { initializeClients, getAllDownloads, getDownloadsByClientType } = require
 const arrRetrieverRegistry = require('./arrRetrievers');
 const {
   getSonarrInstances,
-  getRadarrInstances
+  getRadarrInstances,
+  getOmbiInstances
 } = require('./config');
 
 const rawPollInterval = (process.env.POLL_INTERVAL || '').toLowerCase();
@@ -88,13 +89,14 @@ async function pollAllServices() {
 
     const sonarrInstances = getSonarrInstances();
     const radarrInstances = getRadarrInstances();
+    const ombiInstances = getOmbiInstances();
 
     // Check webhook fallback: if no webhook events for WEBHOOK_FALLBACK_TIMEOUT, force full poll
     const globalMetrics = cache.getGlobalWebhookMetrics();
     const now = Date.now();
     const lastWebhookTime = globalMetrics.lastGlobalWebhookTimestamp;
     const fallbackTriggered = lastWebhookTime && (now - lastWebhookTime) > WEBHOOK_FALLBACK_TIMEOUT_MS;
-    
+
     if (fallbackTriggered) {
       console.log(`[Poller] Webhook fallback triggered: no webhook events for ${WEBHOOK_FALLBACK_TIMEOUT_MINUTES} minutes, forcing full poll`);
     }
@@ -102,6 +104,7 @@ async function pollAllServices() {
     // Determine which instances should be polled based on webhook activity
     const shouldPollSonarr = fallbackTriggered || !shouldSkipInstancePolling(sonarrInstances, 'sonarr');
     const shouldPollRadarr = fallbackTriggered || !shouldSkipInstancePolling(radarrInstances, 'radarr');
+    const shouldPollOmbi = fallbackTriggered || !shouldSkipInstancePolling(ombiInstances, 'ombi');
 
     // All fetches in parallel, each individually timed
     const results = await Promise.all([
@@ -133,6 +136,10 @@ async function pollAllServices() {
         const tagsByType = await arrRetrieverRegistry.getTagsByType();
         return tagsByType.radarr || [];
       }) : timed('Radarr Tags', async () => []),
+      shouldPollOmbi ? timed('Ombi Requests', async () => {
+        const ombiRequests = await arrRetrieverRegistry.getOmbiRequests();
+        return ombiRequests;
+      }) : timed('Ombi Requests', async () => ({ movie: [], tv: [] })),
     ]);
 
     const [
@@ -140,7 +147,8 @@ async function pollAllServices() {
       { result: sonarrTagsResults }, { result: sonarrQueues },
       { result: sonarrHistories },
       { result: radarrQueues }, { result: radarrHistories },
-      { result: radarrTagsResults }
+      { result: radarrTagsResults },
+      { result: ombiRequests }
     ] = results;
 
     // Store per-task timings
@@ -282,6 +290,16 @@ async function pollAllServices() {
       if (existingRadarrTags) cache.set('poll:radarr-tags', existingRadarrTags, cacheTTL);
     }
 
+    // Ombi
+    if (shouldPollOmbi) {
+      cache.set('poll:ombi-requests', ombiRequests, cacheTTL);
+      logToFile(`[Poller] Ombi requests cached: ${ombiRequests.movie?.length || 0} movies, ${ombiRequests.tv?.length || 0} TV shows`);
+    } else {
+      // Extend TTL of existing cached data when polling is skipped
+      const existingOmbiRequests = cache.get('poll:ombi-requests');
+      if (existingOmbiRequests) cache.set('poll:ombi-requests', existingOmbiRequests, cacheTTL);
+    }
+
     // qBittorrent (already set above in download clients section)
 
     const elapsed = Date.now() - start;