feat: Add Ombi request filtering and search

- Add request filters UI (type, status, sort, search)
- Implement dual-layer filtering (server + client)
- Add ombiFilters utility for consistent filtering logic
- Persist filter preferences in localStorage
- Add SSE support for real-time Ombi request updates
- Add webhook endpoints for Ombi integration
- Update OpenAPI spec for new endpoints
- Add unit tests for filter logic and UI
- Add integration tests for Ombi routes

client/src/utils/storage.js

@@ -46,6 +46,41 @@ import { state } from '../state.js';
   }
 })();
 
+// Load request filter preferences from localStorage
+(function loadRequestFilters() {
+  try {
+    const savedTypes = localStorage.getItem('sofarr-request-types');
+    if (savedTypes) state.selectedRequestTypes = JSON.parse(savedTypes);
+  } catch (e) {
+    console.error('[Storage] Failed to load request types:', e);
+    state.selectedRequestTypes = ['movie', 'tv'];
+  }
+
+  try {
+    const savedStatuses = localStorage.getItem('sofarr-request-statuses');
+    if (savedStatuses) state.selectedRequestStatuses = JSON.parse(savedStatuses);
+  } catch (e) {
+    console.error('[Storage] Failed to load request statuses:', e);
+    state.selectedRequestStatuses = [];
+  }
+
+  try {
+    const savedSort = localStorage.getItem('sofarr-request-sort');
+    if (savedSort) state.requestSortMode = savedSort;
+  } catch (e) {
+    console.error('[Storage] Failed to load request sort:', e);
+    state.requestSortMode = 'requestedDate_desc';
+  }
+
+  try {
+    const savedSearch = localStorage.getItem('sofarr-request-search');
+    if (savedSearch !== null) state.requestSearchQuery = savedSearch;
+  } catch (e) {
+    console.error('[Storage] Failed to load request search:', e);
+    state.requestSearchQuery = '';
+  }
+})();
+
 // Export helper functions for localStorage operations
 export function saveHistoryDays(days) {
   localStorage.setItem('sofarr-history-days', days);
@@ -74,3 +109,19 @@ export function getActiveTab() {
 export function saveActiveTab(tab) {
   localStorage.setItem('sofarr-active-tab', tab);
 }
+
+export function saveRequestTypes(types) {
+  localStorage.setItem('sofarr-request-types', JSON.stringify(types));
+}
+
+export function saveRequestStatuses(statuses) {
+  localStorage.setItem('sofarr-request-statuses', JSON.stringify(statuses));
+}
+
+export function saveRequestSort(sort) {
+  localStorage.setItem('sofarr-request-sort', sort);
+}
+
+export function saveRequestSearch(query) {
+  localStorage.setItem('sofarr-request-search', query);
+}