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

client/src/api.js

@@ -181,6 +181,22 @@ export async function fetchWebhookStatus() {
     } catch (err) {
       // Radarr not configured
     }
+
+    // Fetch Ombi webhook status
+    let ombiEnabled = false;
+    let ombiTriggers = { requestAvailable: false, requestApproved: false, requestDeclined: false, requestPending: false, requestProcessing: false };
+    let ombiStats = null;
+    try {
+      const ombiRes = await fetch('/api/ombi/webhook/status');
+      if (ombiRes.ok) {
+        const ombiData = await ombiRes.json();
+        ombiEnabled = ombiData.enabled || false;
+        ombiTriggers = ombiData.triggers || { requestAvailable: false, requestApproved: false, requestDeclined: false, requestPending: false, requestProcessing: false };
+        ombiStats = ombiData.stats || null;
+      }
+    } catch (err) {
+      // Ombi not configured
+    }
     
     state.webhookMetrics = await metricsPromise;
     
@@ -191,6 +207,7 @@ export async function fetchWebhookStatus() {
     
     state.sonarrWebhook = { enabled: sonarrEnabled, triggers: sonarrTriggers, stats: sonarrStats };
     state.radarrWebhook = { enabled: radarrEnabled, triggers: radarrTriggers, stats: radarrStats };
+    state.ombiWebhook = { enabled: ombiEnabled, triggers: ombiTriggers, stats: ombiStats };
     
     return { success: true };
   } catch (err) {
@@ -279,6 +296,36 @@ export async function testRadarrWebhook() {
   }
 }
 
+export async function enableOmbiWebhook() {
+  try {
+    const res = await fetch('/api/ombi/webhook/enable', {
+      method: 'POST',
+      headers: { 'X-CSRF-Token': state.csrfToken || '' }
+    });
+    if (!res.ok) throw new Error('Failed to enable');
+    await fetchWebhookStatus();
+    return { success: true };
+  } catch (err) {
+    console.error('Failed to enable Ombi webhook:', err);
+    return { success: false, error: err.message };
+  }
+}
+
+export async function testOmbiWebhook() {
+  try {
+    const res = await fetch('/api/ombi/webhook/test', {
+      method: 'POST',
+      headers: { 'X-CSRF-Token': state.csrfToken || '' }
+    });
+    if (!res.ok) throw new Error('Test failed');
+    await fetchWebhookStatus();
+    return { success: true };
+  } catch (err) {
+    console.error('Failed to test Ombi webhook:', err);
+    return { success: false, error: err.message };
+  }
+}
+
 export async function refreshStatusPanel() {
   try {
     const res = await fetch('/api/status');