chore: release v0.16.1

app.go

@@ -89,6 +89,9 @@ const (
 	keyCATIcomPort       = "cat.icom.port"       // Icom USB CI-V serial port (e.g. COM5)
 	keyCATIcomBaud       = "cat.icom.baud"       // Icom CI-V baud (default 115200)
 	keyCATIcomAddr       = "cat.icom.addr"       // Icom CI-V address, decimal (IC-7610 = 152 / 0x98)
+	keyCATTCIHost        = "cat.tci.host"        // TCI host (Expert Electronics SunSDR / ExpertSDR2)
+	keyCATTCIPort        = "cat.tci.port"        // TCI WebSocket port (default 40001)
+	keyCATTCISpots       = "cat.tci.spots"       // push cluster spots to the TCI panorama
 
 	// Audio (Digital Voice Keyer + QSO recorder). Machine-local hardware, so
 	// global (not per-profile) like CAT/rotator. Device fields store the
@@ -265,6 +268,9 @@ type CATSettings struct {
 	IcomPort       string `json:"icom_port"`       // Icom USB CI-V serial port (e.g. COM5)
 	IcomBaud       int    `json:"icom_baud"`       // Icom CI-V baud (default 115200)
 	IcomAddr       int    `json:"icom_addr"`       // Icom CI-V address, decimal (IC-7610 = 152)
+	TCIHost        string `json:"tci_host"`        // TCI host (Expert Electronics SunSDR)
+	TCIPort        int    `json:"tci_port"`        // TCI WebSocket port (default 40001)
+	TCISpots       bool   `json:"tci_spots"`       // push cluster spots to the TCI panorama
 	PollMs         int    `json:"poll_ms"`         // poll interval in ms (default 250)
 	DelayMs        int    `json:"delay_ms"`        // pause between commands (default 0)
 	DigitalDefault string `json:"digital_default"` // when CAT says DATA, surface this mode (FT8/FT4/RTTY/…)
@@ -609,6 +615,7 @@ func (a *App) startup(ctx context.Context) {
 	// to a separate cat.log in the old HamLog folder, which users couldn't find).
 	cat.LogSink = applog.Printf
 	audio.LogSink = applog.Printf  // capture audio-goroutine panics in the app log
+	extsvc.LogSink = applog.Printf // log raw QRZ (and other) service responses for diagnosis
 	applog.Printf("startup: data dir = %s", dataDir)
 	// The local SQLite file ALWAYS holds per-operator configuration — settings,
 	// station profiles, rigs/antennas, cluster nodes, UDP, QSL templates, award
@@ -3851,7 +3858,7 @@ func (a *App) GetCATSettings() (CATSettings, error) {
 	if a.settings == nil {
 		return CATSettings{Backend: "omnirig", OmniRigNum: 1, PollMs: 250}, fmt.Errorf("db not initialized")
 	}
-	m, err := a.settings.GetMany(a.ctx, keyCATEnabled, keyCATBackend, keyCATOmniRigNum, keyCATFlexHost, keyCATFlexPort, keyCATFlexSpots, keyCATIcomPort, keyCATIcomBaud, keyCATIcomAddr, keyCATPollMs, keyCATDelayMs, keyCATDigitalDefault)
+	m, err := a.settings.GetMany(a.ctx, keyCATEnabled, keyCATBackend, keyCATOmniRigNum, keyCATFlexHost, keyCATFlexPort, keyCATFlexSpots, keyCATIcomPort, keyCATIcomBaud, keyCATIcomAddr, keyCATTCIHost, keyCATTCIPort, keyCATTCISpots, keyCATPollMs, keyCATDelayMs, keyCATDigitalDefault)
 	if err != nil {
 		return CATSettings{}, err
 	}
@@ -3865,6 +3872,9 @@ func (a *App) GetCATSettings() (CATSettings, error) {
 		IcomPort:       m[keyCATIcomPort],
 		IcomBaud:       115200,
 		IcomAddr:       0x98, // IC-7610 default
+		TCIHost:        m[keyCATTCIHost],
+		TCIPort:        40001,
+		TCISpots:       m[keyCATTCISpots] == "1",
 		PollMs:         250,
 		DelayMs:        0,
 		DigitalDefault: m[keyCATDigitalDefault],
@@ -3872,6 +3882,9 @@ func (a *App) GetCATSettings() (CATSettings, error) {
 	if n, _ := strconv.Atoi(m[keyCATFlexPort]); n > 0 && n <= 65535 {
 		out.FlexPort = n
 	}
+	if n, _ := strconv.Atoi(m[keyCATTCIPort]); n > 0 && n <= 65535 {
+		out.TCIPort = n
+	}
 	if n, _ := strconv.Atoi(m[keyCATIcomBaud]); n > 0 {
 		out.IcomBaud = n
 	}
@@ -3930,6 +3943,10 @@ func (a *App) SaveCATSettings(s CATSettings) error {
 	if s.FlexSpots {
 		flexSpots = "1"
 	}
+	tciSpots := "0"
+	if s.TCISpots {
+		tciSpots = "1"
+	}
 	if s.DigitalDefault == "" {
 		s.DigitalDefault = "FT8"
 	}
@@ -3943,6 +3960,9 @@ func (a *App) SaveCATSettings(s CATSettings) error {
 		keyCATIcomPort:       strings.TrimSpace(s.IcomPort),
 		keyCATIcomBaud:       strconv.Itoa(s.IcomBaud),
 		keyCATIcomAddr:       strconv.Itoa(s.IcomAddr),
+		keyCATTCIHost:        strings.TrimSpace(s.TCIHost),
+		keyCATTCIPort:        strconv.Itoa(s.TCIPort),
+		keyCATTCISpots:       tciSpots,
 		keyCATPollMs:         strconv.Itoa(s.PollMs),
 		keyCATDelayMs:        strconv.Itoa(s.DelayMs),
 		keyCATDigitalDefault: strings.ToUpper(strings.TrimSpace(s.DigitalDefault)),
@@ -7440,6 +7460,13 @@ func (a *App) FlexSetTXAntenna(ant string) error {
 	return a.cat.FlexDo(func(fc cat.FlexController) error { return fc.SetTXAntenna(ant) })
 }
 
+func (a *App) FlexSetSplit(on bool) error {
+	if a.cat == nil {
+		return fmt.Errorf("cat not initialized")
+	}
+	return a.cat.FlexDo(func(fc cat.FlexController) error { return fc.SetSplit(on) })
+}
+
 // keyFlexBandAnt stores the per-band RX/TX antenna map (global, machine-local).
 const keyFlexBandAnt = "flex.band_antennas"
 
@@ -7629,7 +7656,7 @@ func (a *App) reloadCAT() {
 	}
 	a.cat.SetPollInterval(time.Duration(s.PollMs) * time.Millisecond)
 	a.cat.SetCommandDelay(time.Duration(s.DelayMs) * time.Millisecond)
-	a.catFlexSpots = s.Enabled && s.Backend == "flex" && s.FlexSpots
+	a.catFlexSpots = s.Enabled && ((s.Backend == "flex" && s.FlexSpots) || (s.Backend == "tci" && s.TCISpots))
 	if !s.Enabled {
 		a.cat.Stop()
 		return
@@ -7656,6 +7683,10 @@ func (a *App) reloadCAT() {
 		// Native Icom CI-V over the radio's USB serial port (local control).
 		// Same civ protocol a future network backend will reuse for remote.
 		a.cat.Start(cat.NewIcomSerial(s.IcomPort, s.IcomBaud, s.IcomAddr, s.DigitalDefault))
+	case "tci":
+		// Expert Electronics TCI (WebSocket) — SunSDR / ExpertSDR2, or any
+		// TCI-compatible server.
+		a.cat.Start(cat.NewTCI(s.TCIHost, s.TCIPort, s.DigitalDefault, s.TCISpots))
 	default:
 		// Unknown backend → stop and emit a dummy state so the UI shows it.
 		a.cat.Stop()

frontend/src/App.tsx

@@ -818,6 +818,7 @@ export default function App() {
   // worked-before grid. Per-profile (stored via SetUIPref → profile-prefixed),
   // so it's loaded async on mount and re-read on profile:changed below.
   type MainPaneKind = 'map1' | 'map2' | 'cluster' | 'worked' | 'flex' | 'recent';
+  const [mapZoomSignal, setMapZoomSignal] = useState(0); // bump → world map auto-zooms now
   const [mainPaneLeft, setMainPaneLeft] = useState<MainPaneKind>('map1');
   const [mainPaneRight, setMainPaneRight] = useState<MainPaneKind>('map2');
   const loadMainPanes = useCallback(async () => {
@@ -1991,6 +1992,11 @@ export default function App() {
     setLookupBusy(true);
     try {
       const r = await LookupCallsign(call);
+      // Discard a STALE result: the operator already moved to another call
+      // (clicked a new spot / typed) while this lookup was in flight. Applying it
+      // would clobber the current call's fields and zoom the map to the wrong
+      // station — the bug where replacing a call didn't re-zoom the map.
+      if (call !== callsignValRef.current.trim().toUpperCase()) return;
       lastLookedUpRef.current = call;
       // cty.dat carries ONLY DXCC-entity data (country / CQ / ITU zones / continent).
       // A QRZ/HamQTH hit is far richer (name, QTH, grid, address, image). When the
@@ -2028,6 +2034,9 @@ export default function App() {
         qsl_via: d.qsl_via || (r.qsl_via ?? ''),
       }));
       if (r.dxcc && r.dxcc > 0) runWorkedBefore(call, r.dxcc);
+      // The DX location is now known (grid set above) — force the world map to
+      // auto-zoom right away, so it doesn't lag behind the resolved QSO.
+      setMapZoomSignal((n) => n + 1);
       // Recording: tie it to the resolved callsign. Start once a real (≥3-char)
       // call resolves — covers the fast CW workflow (type → Enter, no blur). If
       // we're already recording a DIFFERENT call (the operator edited the
@@ -2823,6 +2832,7 @@ export default function App() {
             toLabel={callsign}
             beamAzimuths={showBeamOnMap ? beamHeadings : []}
             boomAzimuth={showBeamOnMap && ubPattern && ubPattern !== 'normal' ? boomHeading : null}
+            zoomSignal={mapZoomSignal}
           />
         );
       case 'map2':
@@ -2853,7 +2863,7 @@ export default function App() {
       case 'flex':
         return (
           <div className="h-full w-full min-h-0 rounded-lg overflow-hidden border border-border">
-            <FlexPanel />
+            <FlexPanel onCWSpeed={(w) => { setWkWpm(w); WinkeyerSetSpeed(w).catch(() => {}); saveWk({ wpm: w }); }} />
           </div>
         );
       case 'recent':
@@ -3908,7 +3918,7 @@ export default function App() {
                 backend is a FlexRadio. */}
             {catState.backend === 'flex' && (
               <TabsContent value="flex" className="flex-1 min-h-0 p-0">
-                <FlexPanel />
+                <FlexPanel onCWSpeed={(w) => { setWkWpm(w); WinkeyerSetSpeed(w).catch(() => {}); saveWk({ wpm: w }); }} />
               </TabsContent>
             )}
 

frontend/src/components/FlexPanel.tsx

@@ -5,7 +5,7 @@ import {
   FlexSetProcessor, FlexSetProcessorLevel, FlexSetMon, FlexSetMonLevel, FlexSetMic,
   FlexMox, FlexAmpOperate,
   GetPGXLStatus, PGXLSetFanMode,
-  FlexSetAGCMode, FlexSetAGCThreshold, FlexSetAudioLevel, FlexSetMute, FlexSetRXAntenna, FlexSetTXAntenna,
+  FlexSetAGCMode, FlexSetAGCThreshold, FlexSetAudioLevel, FlexSetMute, FlexSetRXAntenna, FlexSetTXAntenna, FlexSetSplit,
   FlexSetNB, FlexSetNBLevel, FlexSetNR, FlexSetNRLevel, FlexSetANF, FlexSetANFLevel,
   FlexSetAPF, FlexSetAPFLevel, FlexSetCWSpeed, FlexSetCWPitch, FlexSetCWBreakInDelay,
   FlexSetCWSidetone, FlexSetSidetoneLevel, FlexSetCWFilter, FlexSetFilter,
@@ -21,6 +21,7 @@ type FlexState = {
   atu_status?: string; atu_memories: boolean;
   rx_avail: boolean; agc_mode?: string; agc_threshold: number; audio_level: number; mute: boolean;
   rx_ant?: string; tx_ant?: string; ant_list?: string[]; tx_ant_list?: string[];
+  split: boolean; rx_freq_hz?: number; tx_freq_hz?: number;
   nb: boolean; nb_level: number; nr: boolean; nr_level: number; anf: boolean; anf_level: number;
   mode?: string;
   cw_speed: number; cw_pitch: number; cw_break_in_delay: number; cw_sidetone: boolean; cw_mon_level: number;
@@ -35,7 +36,7 @@ const ZERO: FlexState = {
   available: false, rf_power: 0, tune_power: 0, tune: false, transmitting: false,
   vox_enable: false, vox_level: 0, vox_delay: 0, proc_enable: false, proc_level: 0,
   mon: false, mon_level: 0, mic_level: 0, atu_memories: false,
-  rx_avail: false, agc_threshold: 0, audio_level: 0, mute: false,
+  rx_avail: false, agc_threshold: 0, audio_level: 0, mute: false, split: false,
   nb: false, nb_level: 0, nr: false, nr_level: 0, anf: false, anf_level: 0,
   cw_speed: 25, cw_pitch: 600, cw_break_in_delay: 30, cw_sidetone: true, cw_mon_level: 0,
   apf: false, apf_level: 0, filter_lo: 0, filter_hi: 0,
@@ -186,7 +187,9 @@ function Card({ icon: Icon, title, accent, children }: { icon: any; title: strin
   );
 }
 
-export function FlexPanel() {
+// onCWSpeed (optional): notified when the operator changes CW speed here, so the
+// host can keep the WinKeyer (which actually sends the macros) in sync.
+export function FlexPanel({ onCWSpeed }: { onCWSpeed?: (wpm: number) => void } = {}) {
   const [st, setSt] = useState<FlexState>(ZERO);
   const hold = useRef<Record<string, number>>({});
   // Peak-hold: keep the highest reading for ~2 s so the jittery VITA-49 meters
@@ -306,6 +309,21 @@ export function FlexPanel() {
                 <Power className="size-4 inline mr-1 -mt-0.5" /> MOX
               </button>
             </div>
+            <div className="flex items-center gap-2">
+              <button type="button" disabled={off}
+                title="Split: RX/TX on separate slices. ON creates a TX slice +1 kHz (CW) / +5 kHz (SSB) up, like SmartSDR."
+                onClick={() => change('split', !st.split, () => FlexSetSplit(!st.split))}
+                className={cn('px-3 py-1.5 rounded-lg text-sm font-extrabold tracking-wide border-2 transition-all disabled:opacity-30',
+                  st.split ? 'bg-sky-600 text-white border-sky-600 shadow-[0_0_12px] shadow-sky-600/50' : 'bg-card text-sky-700 border-sky-400 hover:bg-sky-50')}>
+                SPLIT
+              </button>
+              {st.split && !!st.tx_freq_hz && (
+                <span className="text-[11px] font-mono text-muted-foreground whitespace-nowrap">
+                  TX {(st.tx_freq_hz / 1e6).toFixed(3)}
+                  {!!st.rx_freq_hz && ` (${(st.tx_freq_hz - st.rx_freq_hz) >= 0 ? '+' : ''}${((st.tx_freq_hz - st.rx_freq_hz) / 1000).toFixed(1)} kHz)`}
+                </span>
+              )}
+            </div>
 
             {!isCW ? (
             <div className="border-t border-border/60 pt-3 space-y-3">
@@ -339,7 +357,7 @@ export function FlexPanel() {
             <div className="border-t border-border/60 pt-3 space-y-3">
               <div className="flex items-center gap-2">
                 <span className="w-16 shrink-0 text-[11px] font-bold text-muted-foreground">Speed</span>
-                <Slider value={st.cw_speed} disabled={off} max={60} accent="#0d9488" onChange={(v) => change('cw_speed', v, () => FlexSetCWSpeed(v))} />
+                <Slider value={st.cw_speed} disabled={off} max={60} accent="#0d9488" onChange={(v) => { change('cw_speed', v, () => FlexSetCWSpeed(v)); onCWSpeed?.(v); }} />
                 <span className="w-12 text-right text-xs font-mono tabular-nums text-muted-foreground">{st.cw_speed} wpm</span>
               </div>
               <div className="flex items-center gap-2">

frontend/src/components/MainMap.tsx

@@ -81,10 +81,11 @@ interface WorldProps {
   beamAzimuths?: number[];     // radiating heading(s) (deg) → draw a beam lobe each
   beamWidth?: number;          // beamwidth (deg), default 30
   boomAzimuth?: number | null; // mechanical boom (rotor) heading → grey reference line
+  zoomSignal?: number;         // bump to force an auto-zoom now (e.g. QRZ lookup finished)
 }
 
 // WorldMap — great-circle path + beam lobe(s), the "map1" pane.
-export function WorldMap({ fromGrid, toGrid, fromLabel, toLabel, beamAzimuths, beamWidth, boomAzimuth }: WorldProps) {
+export function WorldMap({ fromGrid, toGrid, fromLabel, toLabel, beamAzimuths, beamWidth, boomAzimuth, zoomSignal }: WorldProps) {
   const worldRef = useRef<HTMLDivElement>(null);
   const worldMap = useRef<L.Map | null>(null);
   const worldOverlay = useRef<L.LayerGroup | null>(null);
@@ -225,7 +226,7 @@ export function WorldMap({ fromGrid, toGrid, fromLabel, toLabel, beamAzimuths, b
     }
     setTimeout(() => { wm.invalidateSize(); }, 0);
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [fromGrid, toGrid, fromLabel, toLabel, (beamAzimuths ?? []).map((a) => Math.round(a)).join(','), beamWidth, boomAzimuth, autoZoom]);
+  }, [fromGrid, toGrid, fromLabel, toLabel, (beamAzimuths ?? []).map((a) => Math.round(a)).join(','), beamWidth, boomAzimuth, autoZoom, zoomSignal]);
 
   const path = pathBetween(fromGrid, toGrid);
 

frontend/src/components/RecentQSOsGrid.tsx

@@ -254,7 +254,14 @@ export function RecentQSOsGrid({ rows, selectAllSignal, onRowDoubleClicked, onRo
   // Compute initial column defs: all columns defined, but those not marked
   // defaultVisible start hidden. The user's saved state (loaded onGridReady)
   // overrides this so a previously toggled column wins.
+  // While AG Grid rebuilds columns (award columns load async), it fires column
+  // events that would otherwise trigger a save of the DEFAULT visibility before
+  // we re-apply the user's saved state — clobbering it. This flag suppresses the
+  // auto-save during that window. Set in the memo (runs at render, before the
+  // column events) and cleared by the re-apply effect below.
+  const restoringRef = useRef(true);
   const columnDefs = useMemo<ColDef<QSOForm>[]>(() => {
+    restoringRef.current = true;
     const base = COL_CATALOG.map((c) => {
       const { group: _g, label: _l, defaultVisible, ...rest } = c;
       return { ...rest, hide: !defaultVisible };
@@ -290,6 +297,7 @@ export function RecentQSOsGrid({ rows, selectAllSignal, onRowDoubleClicked, onRo
     });
   }
   const saveColumnState = useCallback(() => {
+    if (restoringRef.current) return; // ignore the events fired by a column rebuild
     const state = gridRef.current?.api?.getColumnState();
     if (state) saveState(COL_STATE_KEY, state);
   }, []);
@@ -301,9 +309,11 @@ export function RecentQSOsGrid({ rows, selectAllSignal, onRowDoubleClicked, onRo
   // every rebuild so the user's choices win. No-op before the grid is ready.
   useEffect(() => {
     const api = gridRef.current?.api;
-    if (!api) return;
     const local = loadLocal(COL_STATE_KEY);
-    if (local) api.applyColumnState({ state: local as ColumnState[], applyOrder: true });
+    if (api && local) api.applyColumnState({ state: local as ColumnState[], applyOrder: true });
+    // Re-enable saving once AG Grid has settled the column events from the rebuild.
+    const t = window.setTimeout(() => { restoringRef.current = false; }, 0);
+    return () => window.clearTimeout(t);
   }, [awardCols]);
 
   function handleRowDoubleClicked(e: RowDoubleClickedEvent<QSOForm>) {

frontend/src/components/SettingsModal.tsx

@@ -133,8 +133,10 @@ const emptyProfile = (): Profile => ({
   is_active: false,
   sort_order: 0,
   db: { backend: '', host: '', port: 3306, user: '', password: '', database: '' },
-  created_at: '' as any,
+  // Server-managed timestamps — send null (NOT "") so Go's time.Time unmarshal
-  updated_at: '' as any,
+  // leaves the zero value instead of failing to parse an empty RFC3339 string.
+  created_at: null as any,
+  updated_at: null as any,
 });
 
 interface Props {
@@ -715,7 +717,7 @@ export function SettingsModal({ onClose, onSaved, initialSection, onMainPaneChan
   const [modeDraft, setModeDraft] = useState('');
   const [catCfg, setCatCfg] = useState<CATSettings>({
     enabled: false, backend: 'omnirig', omnirig_rig: 1, flex_host: '', flex_port: 4992, flex_spots: false,
-    icom_port: '', icom_baud: 115200, icom_addr: 0x98, poll_ms: 250, delay_ms: 0,
+    icom_port: '', icom_baud: 115200, icom_addr: 0x98, tci_host: '', tci_port: 40001, tci_spots: false, poll_ms: 250, delay_ms: 0,
     digital_default: 'FT8',
   });
   const [rotator, setRotator] = useState<RotatorSettings>({
@@ -1892,6 +1894,7 @@ export function SettingsModal({ onClose, onSaved, initialSection, onMainPaneChan
                   <SelectItem value="omnirig">OmniRig (any rig, Windows COM)</SelectItem>
                   <SelectItem value="flex">FlexRadio / SmartSDR (native)</SelectItem>
                   <SelectItem value="icom">Icom CI-V (USB serial)</SelectItem>
+                  <SelectItem value="tci">TCI (Expert Electronics / SunSDR)</SelectItem>
                 </SelectContent>
               </Select>
             </div>
@@ -1961,6 +1964,27 @@ export function SettingsModal({ onClose, onSaved, initialSection, onMainPaneChan
               </div>
             </>
             )}
+            {catCfg.backend === 'tci' && (
+            <>
+              <div className="space-y-1">
+                <Label>TCI host</Label>
+                <Input placeholder="127.0.0.1" value={catCfg.tci_host ?? ''}
+                  onChange={(e) => setCatCfg((s) => ({ ...s, tci_host: e.target.value }))} />
+              </div>
+              <div className="space-y-1">
+                <Label>Port</Label>
+                <Input type="number" value={catCfg.tci_port || 40001}
+                  onChange={(e) => setCatCfg((s) => ({ ...s, tci_port: parseInt(e.target.value) || 40001 }))} />
+              </div>
+              <p className="col-span-2 text-xs text-muted-foreground">
+                Enable the TCI server in ExpertSDR2/EESDR (Options → TCI). Default port 40001. Use 127.0.0.1 when OpsLog runs on the same PC.
+              </p>
+              <label className="col-span-2 flex items-center gap-2 text-sm cursor-pointer">
+                <Checkbox checked={!!catCfg.tci_spots} onCheckedChange={(c) => setCatCfg((s) => ({ ...s, tci_spots: !!c }))} />
+                Show cluster spots on the panorama <span className="text-xs text-muted-foreground">(spots from OpsLog's DX cluster appear on the SDR panadapter)</span>
+              </label>
+            </>
+            )}
             {(catCfg.backend === 'omnirig' || catCfg.backend === 'icom') && (
             <>
             <div className="space-y-1">

frontend/src/components/WorkedBeforeGrid.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useRef, useState } from 'react';
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import {
   AllCommunityModule, ModuleRegistry, themeQuartz,
   type ColDef, type ColumnState, type GridReadyEvent, type RowDoubleClickedEvent,
@@ -96,7 +96,12 @@ export function WorkedBeforeGrid({ wb, busy, currentCall, onRowDoubleClicked, on
   const count = wb?.count ?? 0;
   const entries = wb?.entries ?? [];
 
+  // Suppress auto-save while AG Grid rebuilds columns (award columns load async),
+  // so the default visibility doesn't clobber the user's saved state. See the
+  // matching note in RecentQSOsGrid.
+  const restoringRef = useRef(true);
   const columnDefs = useMemo<ColDef<WorkedEntry>[]>(() => {
+    restoringRef.current = true;
     const base = COL_CATALOG.map((c) => {
       const { group: _g, label: _l, defaultVisible, ...rest } = c;
       return { ...rest, hide: !defaultVisible };
@@ -127,10 +132,21 @@ export function WorkedBeforeGrid({ wb, busy, currentCall, onRowDoubleClicked, on
     });
   }
   const saveColumnState = useCallback(() => {
+    if (restoringRef.current) return; // ignore events fired by a column rebuild
     const state = gridRef.current?.api?.getColumnState();
     if (state) saveState(COL_STATE_KEY, state);
   }, []);
 
+  // Re-apply the saved column state after the award columns load (they rebuild
+  // the column set), so the user's visibility choices win over the defaults.
+  useEffect(() => {
+    const api = gridRef.current?.api;
+    const local = loadLocal(COL_STATE_KEY);
+    if (api && local) api.applyColumnState({ state: local as ColumnState[], applyOrder: true });
+    const t = window.setTimeout(() => { restoringRef.current = false; }, 0);
+    return () => window.clearTimeout(t);
+  }, [awardCols]);
+
   function isColVisible(colId: string): boolean {
     const col = gridRef.current?.api?.getColumn(colId);
     return col ? col.isVisible() : !!COL_CATALOG.find((c) => c.colId === colId)?.defaultVisible;

frontend/src/version.ts

@@ -1,6 +1,6 @@
 // Single source of truth for the app version shown in the UI (header + About).
 // Bump this on a release (the release script updates it alongside telemetry.go).
-export const APP_VERSION = '0.15';
+export const APP_VERSION = '0.16.1';
 
 // Author / credits, shown in Help -> About.
 export const APP_AUTHOR = 'F4BPO';

frontend/wailsjs/go/main/App.d.ts

@@ -196,6 +196,8 @@ export function FlexSetRXAntenna(arg1:string):Promise<void>;
 
 export function FlexSetSidetoneLevel(arg1:number):Promise<void>;
 
+export function FlexSetSplit(arg1:boolean):Promise<void>;
+
 export function FlexSetTXAntenna(arg1:string):Promise<void>;
 
 export function FlexSetTunePower(arg1:number):Promise<void>;

frontend/wailsjs/go/main/App.js

@@ -358,6 +358,10 @@ export function FlexSetSidetoneLevel(arg1) {
   return window['go']['main']['App']['FlexSetSidetoneLevel'](arg1);
 }
 
+export function FlexSetSplit(arg1) {
+  return window['go']['main']['App']['FlexSetSplit'](arg1);
+}
+
 export function FlexSetTXAntenna(arg1) {
   return window['go']['main']['App']['FlexSetTXAntenna'](arg1);
 }

frontend/wailsjs/go/models.ts

@@ -512,6 +512,9 @@ export namespace cat {
 	    atu_status?: string;
 	    atu_memories: boolean;
 	    rx_avail: boolean;
+	    split: boolean;
+	    rx_freq_hz?: number;
+	    tx_freq_hz?: number;
 	    agc_mode?: string;
 	    agc_threshold: number;
 	    audio_level: number;
@@ -565,6 +568,9 @@ export namespace cat {
 	        this.atu_status = source["atu_status"];
 	        this.atu_memories = source["atu_memories"];
 	        this.rx_avail = source["rx_avail"];
+	        this.split = source["split"];
+	        this.rx_freq_hz = source["rx_freq_hz"];
+	        this.tx_freq_hz = source["tx_freq_hz"];
 	        this.agc_mode = source["agc_mode"];
 	        this.agc_threshold = source["agc_threshold"];
 	        this.audio_level = source["audio_level"];
@@ -1170,6 +1176,9 @@ export namespace main {
 	    icom_port: string;
 	    icom_baud: number;
 	    icom_addr: number;
+	    tci_host: string;
+	    tci_port: number;
+	    tci_spots: boolean;
 	    poll_ms: number;
 	    delay_ms: number;
 	    digital_default: string;
@@ -1189,6 +1198,9 @@ export namespace main {
 	        this.icom_port = source["icom_port"];
 	        this.icom_baud = source["icom_baud"];
 	        this.icom_addr = source["icom_addr"];
+	        this.tci_host = source["tci_host"];
+	        this.tci_port = source["tci_port"];
+	        this.tci_spots = source["tci_spots"];
 	        this.poll_ms = source["poll_ms"];
 	        this.delay_ms = source["delay_ms"];
 	        this.digital_default = source["digital_default"];

go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/braheezy/shine-mp3 v0.1.0
 	github.com/go-ole/go-ole v1.3.0
 	github.com/go-sql-driver/mysql v1.10.0
+	github.com/gorilla/websocket v1.5.3
 	github.com/moutend/go-wca v0.3.0
 	github.com/wailsapp/wails/v2 v2.11.0
 	github.com/wneessen/go-mail v0.7.3
@@ -22,7 +23,6 @@ require (
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/jchv/go-winloader v0.0.0-20210711035445-715c2860da7e // indirect
 	github.com/labstack/echo/v4 v4.13.3 // indirect
 	github.com/labstack/gommon v0.4.2 // indirect

internal/cat/cat.go

@@ -248,6 +248,9 @@ type FlexTXState struct {
 	ATUMemories  bool   `json:"atu_memories"`
 	// Active RX slice DSP controls.
 	RXAvail      bool     `json:"rx_avail"`             // an RX slice exists
+	Split        bool     `json:"split"`                // RX/TX on separate slices
+	RXFreqHz     int64    `json:"rx_freq_hz,omitempty"` // RX slice freq when split
+	TXFreqHz     int64    `json:"tx_freq_hz,omitempty"` // TX slice freq when split
 	AGCMode      string   `json:"agc_mode,omitempty"`
 	AGCThreshold int      `json:"agc_threshold"`
 	AudioLevel   int      `json:"audio_level"`
@@ -320,6 +323,7 @@ type FlexController interface {
 	SetMute(bool) error
 	SetRXAntenna(string) error
 	SetTXAntenna(string) error
+	SetSplit(bool) error
 	SetNB(bool) error
 	SetNBLevel(int) error
 	SetNR(bool) error

internal/cat/flex.go

@@ -54,6 +54,7 @@ type Flex struct {
 	spotsEnabled bool           // push cluster spots + manage the panadapter overlay
 	spotIdx      map[int]bool   // panadapter spot indices currently known to the radio
 	pendingSpot  map[int]string // seq → callsign, awaiting the spot index in the R response
+	pendingSplit map[int]bool   // seq → awaiting the new TX slice's index (split create)
 	spotCall     map[int]string // spot index → callsign (to fill the call on a panadapter click)
 	sentCmds     map[int]string // seq → command text, so an R<seq> error names the command
 
@@ -148,7 +149,7 @@ func NewFlex(host string, port int, spotsEnabled bool) *Flex {
 	return &Flex{
 		host: strings.TrimSpace(host), port: port,
 		slices: map[int]*flexSlice{}, spotsEnabled: spotsEnabled,
-		spotIdx: map[int]bool{}, pendingSpot: map[int]string{}, spotCall: map[int]string{},
+		spotIdx: map[int]bool{}, pendingSpot: map[int]string{}, spotCall: map[int]string{}, pendingSplit: map[int]bool{},
 		meterMeta: map[int]meterInfo{}, meterVal: map[int]float64{}, meterSub: map[int]bool{},
 		sentCmds: map[int]string{}, txSetAt: map[string]time.Time{},
 	}
@@ -314,7 +315,18 @@ func (f *Flex) reader(conn net.Conn) {
 					f.spotIdx[idx] = true
 				}
 			}
+			// A successful "slice create" for split returns the new slice's index;
+			// make that slice the transmitter so RX/TX are on separate slices.
+			splitSeq := f.pendingSplit[seq]
+			if splitSeq {
+				delete(f.pendingSplit, seq)
+			}
 			f.mu.Unlock()
+			if splitSeq && ok && len(parts) >= 3 {
+				if idx, e := strconv.Atoi(strings.TrimSpace(parts[2])); e == nil {
+					f.send(fmt.Sprintf("slice s %d tx=1", idx))
+				}
+			}
 		}
 	}
 	// Connection ended.
@@ -1050,6 +1062,11 @@ func (f *Flex) FlexState() FlexTXState {
 		CWSidetone:     f.tx.cwSidetone,
 		CWMonLevel:     f.tx.cwMonLevel,
 	}
+	if rx, tx := f.pickSlicesLocked(); rx != nil && tx != nil && rx != tx && rx.freqHz != tx.freqHz {
+		st.Split = true
+		st.RXFreqHz = rx.freqHz
+		st.TXFreqHz = tx.freqHz
+	}
 	if _, rx := f.rxSliceLocked(); rx != nil {
 		st.RXAvail = true
 		st.Mode = strings.ToUpper(rx.mode)
@@ -1170,6 +1187,65 @@ func (f *Flex) SetAudioLevel(l int) error   { return f.sendSlice("audio_level",
 func (f *Flex) SetMute(on bool) error       { return f.sendSlice("audio_mute", boolFlex(on)) }
 func (f *Flex) SetRXAntenna(a string) error { return f.sendSlice("rxant", a) }
 func (f *Flex) SetTXAntenna(a string) error { return f.sendSlice("txant", a) }
+
+// SetSplit toggles 2-slice split like SmartSDR's SPLIT button. ON creates a TX
+// slice at RX freq + offset (+1 kHz on CW, +5 kHz otherwise) and makes it the
+// transmitter; OFF removes the extra TX slice and returns to simplex (RX slice
+// transmits again).
+func (f *Flex) SetSplit(on bool) error {
+	f.mu.Lock()
+	if f.conn == nil {
+		f.mu.Unlock()
+		return fmt.Errorf("flex: not connected")
+	}
+	rx, tx := f.pickSlicesLocked()
+	rxIdx, txIdx := -1, -1
+	for i, s := range f.slices {
+		if s == rx {
+			rxIdx = i
+		}
+		if s == tx {
+			txIdx = i
+		}
+	}
+	alreadySplit := rx != nil && tx != nil && rx != tx
+	var rxFreq int64
+	var rxMode, rxAnt string
+	if rx != nil {
+		rxFreq, rxMode, rxAnt = rx.freqHz, rx.mode, rx.rxAnt
+	}
+	f.mu.Unlock()
+
+	if on {
+		if alreadySplit || rx == nil {
+			return nil // already split (or no slice)
+		}
+		offset := int64(5000)
+		if strings.HasPrefix(strings.ToUpper(rxMode), "CW") {
+			offset = 1000
+		}
+		cmd := fmt.Sprintf("slice create freq=%.6f mode=%s", float64(rxFreq+offset)/1e6, rxMode)
+		if rxAnt != "" {
+			cmd += " ant=" + rxAnt
+		}
+		if seq := f.send(cmd); seq > 0 {
+			f.mu.Lock()
+			f.pendingSplit[seq] = true // mark the new slice TX once its index returns
+			f.mu.Unlock()
+		}
+		return nil
+	}
+	if !alreadySplit {
+		return nil
+	}
+	if txIdx >= 0 {
+		f.send(fmt.Sprintf("slice remove %d", txIdx))
+	}
+	if rxIdx >= 0 {
+		f.send(fmt.Sprintf("slice s %d tx=1", rxIdx))
+	}
+	return nil
+}
 func (f *Flex) SetNB(on bool) error     { return f.sendSlice("nb", boolFlex(on)) }
 func (f *Flex) SetNBLevel(l int) error  { return f.sendSlice("nb_level", clampLevel(l)) }
 func (f *Flex) SetNR(on bool) error     { return f.sendSlice("nr", boolFlex(on)) }

internal/cat/tci.go

@@ -0,0 +1,321 @@
+//go:build windows
+
+package cat
+
+import (
+	"fmt"
+	"net"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/gorilla/websocket"
+)
+
+// TCI is a native backend for Expert Electronics' TCI protocol (SunSDR2/MB1/
+// ColibriNANO via ExpertSDR2/EESDR, and TCI-compatible apps). TCI is a text
+// protocol over a WebSocket: the server streams state ("vfo:0,0,14100000;",
+// "modulation:0,cw;", "trx:0,true;") and accepts the same commands to control
+// the rig. We keep the pushed state cached so ReadState is instant, like Flex.
+//
+// Pure Go (gorilla/websocket, no CGO). Default port 40001.
+type TCI struct {
+	host string
+	port int
+
+	digitalDefault string // surfaced when the rig reports a digital mode (FT8/…)
+	spotsEnabled   bool   // mirror cluster spots onto the TCI panorama
+
+	mu    sync.Mutex // guards conn + writes + state
+	conn  *websocket.Conn
+	ready bool
+
+	// Cached state pushed by the radio.
+	device string
+	freqA  int64 // VFO A (RX) frequency, Hz  (vfo:0,0)
+	freqB  int64 // VFO B (TX in split), Hz    (vfo:0,1)
+	mode   string
+	split  bool
+	tx     bool
+
+	lastSig string // last logged state signature (log only on change)
+}
+
+const tciDefaultPort = 40001
+
+// NewTCI builds a TCI backend for the given host/port. digitalDefault is the
+// mode surfaced when the radio reports a generic digital modulation; spots turns
+// on mirroring OpsLog's cluster spots onto the TCI panorama.
+func NewTCI(host string, port int, digitalDefault string, spots bool) *TCI {
+	if port <= 0 || port > 65535 {
+		port = tciDefaultPort
+	}
+	return &TCI{host: strings.TrimSpace(host), port: port, digitalDefault: strings.TrimSpace(digitalDefault), spotsEnabled: spots}
+}
+
+func (t *TCI) Name() string { return "tci" }
+
+// Connect opens the WebSocket and starts the reader goroutine. The reader keeps
+// our cached state current from the radio's push messages.
+func (t *TCI) Connect() error {
+	t.mu.Lock()
+	already := t.conn != nil
+	host, port := t.host, t.port
+	t.mu.Unlock()
+	if already {
+		return nil
+	}
+	if host == "" {
+		return fmt.Errorf("tci: no host configured")
+	}
+	url := fmt.Sprintf("ws://%s", net.JoinHostPort(host, strconv.Itoa(port)))
+	dialer := websocket.Dialer{HandshakeTimeout: 5 * time.Second}
+	conn, _, err := dialer.Dial(url, nil)
+	if err != nil {
+		return fmt.Errorf("tci: connect %s: %w", url, err)
+	}
+	t.mu.Lock()
+	t.conn = conn
+	t.ready = false
+	t.mu.Unlock()
+	debugLog.Printf("TCI: connected to %s", url)
+	go t.reader(conn)
+	if t.spotsEnabled {
+		_ = t.send("spot_clear;") // drop any leftover spots from a previous session
+	}
+	return nil
+}
+
+// SendSpot mirrors a cluster spot onto the TCI panorama (implements Spotter).
+// The radio replaces a spot that has the same callsign, so re-spotting updates
+// it in place. No-op when spot mirroring is disabled.
+func (t *TCI) SendSpot(s SpotInfo) error {
+	if !t.spotsEnabled {
+		return nil
+	}
+	call := strings.TrimSpace(s.Callsign)
+	if call == "" || s.FreqHz <= 0 {
+		return nil
+	}
+	color := strings.TrimSpace(s.Color)
+	if color == "" {
+		color = "#FFFFA500" // opaque orange default
+	}
+	color = "0x" + strings.TrimPrefix(color, "#")
+	mode := strings.ToLower(strings.TrimSpace(s.Mode))
+	// Commas/semicolons would break TCI's comma-separated argument parsing.
+	text := strings.NewReplacer(",", " ", ";", " ").Replace(s.Comment)
+	return t.send(fmt.Sprintf("spot:%s,%s,%d,%s,%s;", call, mode, s.FreqHz, color, text))
+}
+
+// Disconnect closes the WebSocket; the reader goroutine then exits.
+func (t *TCI) Disconnect() {
+	t.mu.Lock()
+	c := t.conn
+	t.conn = nil
+	t.ready = false
+	t.mu.Unlock()
+	if c != nil {
+		_ = c.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
+		_ = c.Close()
+	}
+}
+
+// ReadState returns the cached state pushed by the radio.
+func (t *TCI) ReadState() (RigState, error) {
+	t.mu.Lock()
+	defer t.mu.Unlock()
+	if t.conn == nil {
+		return RigState{}, fmt.Errorf("tci: not connected")
+	}
+	st := RigState{Connected: t.ready, Rig: t.device}
+	if !t.ready {
+		return st, nil
+	}
+	// ADIF convention: FreqHz is the TX freq. In split, TX is VFO B.
+	if t.split && t.freqB > 0 {
+		st.FreqHz = t.freqB
+		st.RxFreqHz = t.freqA
+		st.Split = true
+	} else {
+		st.FreqHz = t.freqA
+	}
+	st.Mode = tciModeToADIF(t.mode, t.digitalDefault)
+	if st.FreqHz > 0 {
+		st.Band = BandFromHz(st.FreqHz)
+	}
+	sig := fmt.Sprintf("%d/%d/%v/%s", st.FreqHz, st.RxFreqHz, st.Split, st.Mode)
+	if sig != t.lastSig {
+		t.lastSig = sig
+		debugLog.Printf("TCI: state tx=%d rx=%d split=%v mode=%s", st.FreqHz, st.RxFreqHz, st.Split, st.Mode)
+	}
+	return st, nil
+}
+
+// SetFrequency tunes VFO A (the main/RX VFO).
+func (t *TCI) SetFrequency(hz int64) error {
+	return t.send(fmt.Sprintf("vfo:0,0,%d;", hz))
+}
+
+// SetMode maps an ADIF mode to a TCI modulation and sets it. USB vs LSB is
+// chosen from the current VFO-A frequency (< 10 MHz → LSB).
+func (t *TCI) SetMode(mode string) error {
+	t.mu.Lock()
+	freq := t.freqA
+	t.mu.Unlock()
+	m := adifToTCIMode(mode, freq)
+	if m == "" {
+		return nil
+	}
+	return t.send(fmt.Sprintf("modulation:0,%s;", m))
+}
+
+// SetPTT keys or unkeys the transmitter (VFO 0).
+func (t *TCI) SetPTT(on bool) error {
+	return t.send(fmt.Sprintf("trx:0,%t;", on))
+}
+
+// send writes a command to the WebSocket (one writer at a time).
+func (t *TCI) send(cmd string) error {
+	t.mu.Lock()
+	c := t.conn
+	t.mu.Unlock()
+	if c == nil {
+		return fmt.Errorf("tci: not connected")
+	}
+	_ = c.SetWriteDeadline(time.Now().Add(3 * time.Second))
+	if err := c.WriteMessage(websocket.TextMessage, []byte(cmd)); err != nil {
+		debugLog.Printf("TCI: send %q failed: %v", cmd, err)
+		return err
+	}
+	debugLog.Printf("TCI: → %s", cmd)
+	return nil
+}
+
+// reader drains push messages and keeps the cached state current until the
+// connection closes.
+func (t *TCI) reader(conn *websocket.Conn) {
+	for {
+		_, data, err := conn.ReadMessage()
+		if err != nil {
+			break
+		}
+		// A frame may carry several ";"-terminated commands.
+		for _, cmd := range strings.Split(string(data), ";") {
+			t.handle(strings.TrimSpace(cmd))
+		}
+	}
+	t.mu.Lock()
+	if t.conn == conn {
+		t.conn = nil
+		t.ready = false
+	}
+	t.mu.Unlock()
+	debugLog.Printf("TCI: reader ended")
+}
+
+// handle parses one "command:args" message and updates the cache.
+func (t *TCI) handle(msg string) {
+	if msg == "" {
+		return
+	}
+	name, args := msg, ""
+	if i := strings.IndexByte(msg, ':'); i >= 0 {
+		name, args = msg[:i], msg[i+1:]
+	}
+	f := strings.Split(args, ",")
+	get := func(i int) string {
+		if i < len(f) {
+			return strings.TrimSpace(f[i])
+		}
+		return ""
+	}
+	t.mu.Lock()
+	defer t.mu.Unlock()
+	switch strings.ToLower(name) {
+	case "device":
+		t.device = strings.TrimSpace(args)
+	case "ready", "start":
+		t.ready = true
+	case "stop":
+		t.ready = false
+	case "vfo":
+		// vfo:<rx>,<channel>,<freq>
+		if get(0) == "0" {
+			hz, _ := strconv.ParseInt(get(2), 10, 64)
+			if hz > 0 {
+				t.ready = true // receiving live state → treat as ready even without an explicit "ready;"
+				switch get(1) {
+				case "0":
+					t.freqA = hz
+				case "1":
+					t.freqB = hz
+				}
+			}
+		}
+	case "modulation":
+		if get(0) == "0" {
+			t.mode = strings.ToLower(get(1))
+		}
+	case "split_enable":
+		if get(0) == "0" {
+			t.split = get(1) == "true"
+		}
+	case "trx":
+		if get(0) == "0" {
+			t.tx = get(1) == "true"
+		}
+	}
+}
+
+// tciModeToADIF converts a TCI modulation to an ADIF mode. Generic digital
+// modulations surface the operator's chosen digital default (FT8/FT4/RTTY…).
+func tciModeToADIF(m, digitalDefault string) string {
+	switch strings.ToLower(strings.TrimSpace(m)) {
+	case "usb", "lsb", "dsb":
+		return "SSB"
+	case "cw":
+		return "CW"
+	case "am", "sam":
+		return "AM"
+	case "nfm", "wfm", "fm":
+		return "FM"
+	case "digu", "digl":
+		if digitalDefault != "" {
+			return strings.ToUpper(digitalDefault)
+		}
+		return "DATA"
+	case "drm":
+		return "DIGITALVOICE"
+	case "":
+		return ""
+	default:
+		return strings.ToUpper(m)
+	}
+}
+
+// adifToTCIMode maps an ADIF mode to a TCI modulation. USB/LSB is chosen from
+// the frequency (< 10 MHz → LSB) as usual. Digital modes → digu.
+func adifToTCIMode(mode string, freqHz int64) string {
+	switch strings.ToUpper(strings.TrimSpace(mode)) {
+	case "SSB", "USB", "LSB":
+		if freqHz > 0 && freqHz < 10_000_000 {
+			return "lsb"
+		}
+		return "usb"
+	case "CW", "CWR", "CW-R":
+		return "cw"
+	case "AM":
+		return "am"
+	case "FM", "NFM":
+		return "nfm"
+	case "RTTY":
+		return "digl"
+	case "":
+		return ""
+	default:
+		// FT8/FT4/PSK/DATA/JT… → upper-sideband digital.
+		return "digu"
+	}
+}

internal/extsvc/qrz.go

@@ -16,6 +16,10 @@ import (
 // subscription used elsewhere for callsign data — they're different keys.
 const qrzAPIURL = "https://logbook.qrz.com/api"
 
+// LogSink receives diagnostics such as raw QRZ responses. Set to applog.Printf
+// at startup; defaults to a no-op so the package is usable without wiring.
+var LogSink = func(string, ...any) {}
+
 // UploadQRZ pushes one ADIF record to the QRZ.com logbook identified by
 // apiKey. It returns OK when the QSO is inserted or already present
 // (QRZ reports a duplicate as a FAIL with a "duplicate" reason, which we
@@ -67,6 +71,7 @@ func UploadQRZ(ctx context.Context, client *http.Client, apiKey, adifRecord stri
 	if resp.StatusCode != http.StatusOK {
 		return UploadResult{}, fmt.Errorf("qrz: http %d: %s", resp.StatusCode, strings.TrimSpace(string(body)))
 	}
+	LogSink("qrz: INSERT raw response: %s", strings.TrimSpace(string(body)))
 
 	return parseQRZResponse(string(body))
 }
@@ -171,6 +176,7 @@ func TestQRZ(ctx context.Context, client *http.Client, apiKey string) (string, e
 	}
 	defer resp.Body.Close()
 	body, _ := io.ReadAll(io.LimitReader(resp.Body, 64*1024))
+	LogSink("qrz: STATUS raw response: %s", strings.TrimSpace(string(body)))
 	vals, err := url.ParseQuery(strings.TrimSpace(string(body)))
 	if err != nil {
 		return "", fmt.Errorf("qrz: bad response: %w", err)

telemetry.go

@@ -21,7 +21,7 @@ import (
 
 const (
 	// appVersion is stamped on every heartbeat (and could feed the About box).
-	appVersion = "0.15"
+	appVersion = "0.16.1"
 
 	// posthogHost is the PostHog ingestion endpoint. EU cloud by default; change
 	// to https://us.i.posthog.com for a US project.