feat: Added persistence on cluster filters and last tab selected

frontend/src/App.tsx

@@ -608,7 +608,16 @@ export default function App() {
   const [filterOpen, setFilterOpen] = useState(false);
   const [activeFilter, setActiveFilter] = useState<QueryFilter>({ conditions: [], match: 'AND' });
   const [matchCount, setMatchCount] = useState<number | null>(null);
-  const [activeTab, setActiveTab] = useState('recent');
+  // The selected tab is remembered across restarts. Only the always-present tabs
+  // are restored: the conditional ones (flex/icom/contest/net/stats/qsl) depend on
+  // a feature or CAT backend that isn't known this early, and restoring one that
+  // isn't there would show a blank pane.
+  const ALWAYS_TABS = ['main', 'recent', 'cluster', 'worked', 'awards', 'bandmap'];
+  const [activeTab, setActiveTab] = useState(() => {
+    const saved = localStorage.getItem('opslog.activeTab') || '';
+    return ALWAYS_TABS.includes(saved) ? saved : 'recent';
+  });
+  useEffect(() => { writeUiPref('opslog.activeTab', activeTab); }, [activeTab]);
   // QSL Manager is a closable tab opened on demand from Tools → QSL Manager.
   const [qslTabOpen, setQslTabOpen] = useState(false);
   const [qslDesignerOpen, setQslDesignerOpen] = useState(false);
@@ -909,8 +918,15 @@ export default function App() {
   // Ring buffer — only keep the last N spots; cluster firehose can be heavy.
   const [spots, setSpots] = useState<ClusterSpot[]>([]);
   const SPOTS_CAP = 1000;
-  const [clusterFilterSource, setClusterFilterSource] = useState<number | ''>('');
-  const [clusterGroup, setClusterGroup] = useState(true);
+  // Cluster filter selections persist across restarts (writeUiPref → localStorage
+  // + DB, so they also travel with a copied data/ folder). Loaders read the cache
+  // synchronously at first render; a single effect below writes them back.
+  const lsBool = (k: string, d: boolean) => { const v = localStorage.getItem(k); return v === null ? d : v === '1'; };
+  const lsSet = <T,>(k: string): Set<T> => { try { const a = JSON.parse(localStorage.getItem(k) || '[]'); return new Set(Array.isArray(a) ? a : []); } catch { return new Set<T>(); } };
+  const [clusterFilterSource, setClusterFilterSource] = useState<number | ''>(() => {
+    const v = localStorage.getItem('opslog.clusterFilterSource'); const n = v ? parseInt(v, 10) : NaN; return Number.isFinite(n) ? n : '';
+  });
+  const [clusterGroup, setClusterGroup] = useState(() => lsBool('opslog.clusterGroup', true));
   const [clusterCmd, setClusterCmd] = useState('');
   // Cluster console: the raw traffic. Spots are parsed out of the stream into the
   // grid; everything else (SH/DX output, WHO, MOTD, errors) used to be discarded,
@@ -938,22 +954,37 @@ export default function App() {
     if (atBottom) el.scrollTop = el.scrollHeight;
   }, [clusterLines]);
   // Multi-band filter: empty set = all bands. The user toggles chips.
-  const [clusterBands, setClusterBands] = useState<Set<string>>(new Set());
+  const [clusterBands, setClusterBands] = useState<Set<string>>(() => lsSet<string>('opslog.clusterBands'));
   // Lock-to-entry: when on, the band filter follows the entry's current
   // band and the mode filter follows the entry's current mode.
-  const [clusterLockBand, setClusterLockBand] = useState(false);
-  const [clusterLockMode, setClusterLockMode] = useState(false);
+  const [clusterLockBand, setClusterLockBand] = useState(() => lsBool('opslog.clusterLockBand', false));
+  const [clusterLockMode, setClusterLockMode] = useState(() => lsBool('opslog.clusterLockMode', false));
   // Status filter chips. Empty set = show every status (including
   // already-worked). Otherwise only matching spots pass.
   type SpotStatusKey = 'new' | 'new-band' | 'new-mode' | 'new-slot' | 'worked';
-  const [clusterStatusFilter, setClusterStatusFilter] = useState<Set<SpotStatusKey>>(new Set());
+  const [clusterStatusFilter, setClusterStatusFilter] = useState<Set<SpotStatusKey>>(() => lsSet<SpotStatusKey>('opslog.clusterStatusFilter'));
   // Mode filter chips. Empty set = show every mode. Categories map the
   // inferred per-spot mode onto SSB (phone) / CW / DATA (digital).
   type SpotModeCat = 'SSB' | 'CW' | 'DATA';
-  const [clusterModeFilter, setClusterModeFilter] = useState<Set<SpotModeCat>>(new Set());
-  const [clusterSearch, setClusterSearch] = useState('');
+  const [clusterModeFilter, setClusterModeFilter] = useState<Set<SpotModeCat>>(() => lsSet<SpotModeCat>('opslog.clusterModeFilter'));
+  const [clusterSearch, setClusterSearch] = useState(() => localStorage.getItem('opslog.clusterSearch') || '');
   // Hide spots already worked (exact call worked, or this band+mode slot done).
-  const [clusterHideWorked, setClusterHideWorked] = useState(false);
+  const [clusterHideWorked, setClusterHideWorked] = useState(() => lsBool('opslog.clusterHideWorked', false));
+
+  // Persist every cluster filter selection whenever it changes, so it is still
+  // set after a close/reopen.
+  useEffect(() => {
+    writeUiPref('opslog.clusterFilterSource', clusterFilterSource === '' ? '' : String(clusterFilterSource));
+    writeUiPref('opslog.clusterGroup', clusterGroup ? '1' : '0');
+    writeUiPref('opslog.clusterBands', JSON.stringify([...clusterBands]));
+    writeUiPref('opslog.clusterLockBand', clusterLockBand ? '1' : '0');
+    writeUiPref('opslog.clusterLockMode', clusterLockMode ? '1' : '0');
+    writeUiPref('opslog.clusterStatusFilter', JSON.stringify([...clusterStatusFilter]));
+    writeUiPref('opslog.clusterModeFilter', JSON.stringify([...clusterModeFilter]));
+    writeUiPref('opslog.clusterSearch', clusterSearch);
+    writeUiPref('opslog.clusterHideWorked', clusterHideWorked ? '1' : '0');
+  }, [clusterFilterSource, clusterGroup, clusterBands, clusterLockBand, clusterLockMode,
+      clusterStatusFilter, clusterModeFilter, clusterSearch, clusterHideWorked]);
   // Bands shown side-by-side in the Band Map tab (portable).
   const [bandMapBands, setBandMapBands] = useState<string[]>(() => {
     try { const v = JSON.parse(localStorage.getItem('opslog.bandMapBands') || '[]'); return Array.isArray(v) ? v : []; }

frontend/src/lib/uiPref.ts

@@ -26,6 +26,11 @@ const PORTABLE_KEYS = [
   'opslog.lookupOnBlur',  // run the callsign lookup on blur instead of while typing
   'opslog.clusterShowFilters', // cluster filter sidebar shown (tab + Main pane)
   'opslog.mapBasemap',    // world map basemap (light / street / satellite)
+  // Cluster filter selections — restored on reopen.
+  'opslog.clusterFilterSource', 'opslog.clusterGroup', 'opslog.clusterBands',
+  'opslog.clusterLockBand', 'opslog.clusterLockMode', 'opslog.clusterStatusFilter',
+  'opslog.clusterModeFilter', 'opslog.clusterSearch', 'opslog.clusterHideWorked',
+  'opslog.activeTab',     // last selected tab
 ];
 
 // syncPortablePrefs reconciles the DB with the local cache at startup: