feat: Help - What's new button to reopen the changelog anytime

Adds GetChangelog (all entries up to the running version, no seen-marker change)
and a Help menu 'What's new' item that reopens the changelog dialog on demand.

changelog.go

@@ -31,6 +31,20 @@ func loadChangelog() []ChangelogEntry {
 	return out
 }
 
+// GetChangelog returns every changelog entry up to the running version (newest
+// first), without touching the "seen" marker — for a "What's new" button that
+// reopens the notes on demand.
+func (a *App) GetChangelog() []ChangelogEntry {
+	out := []ChangelogEntry{}
+	for _, e := range loadChangelog() {
+		if strings.TrimSpace(e.Version) == "" || versionLess(appVersion, e.Version) {
+			continue
+		}
+		out = append(out, e)
+	}
+	return out
+}
+
 // GetWhatsNew returns the changelog entries the operator hasn't seen yet — the
 // notes for every version newer than the last one they ran, up to the current
 // build — and records the current version as seen so it pops exactly once per

frontend/src/App.tsx

@@ -13,7 +13,7 @@ import {
   GetQSO, UpdateQSO, DeleteQSO, DeleteQSOs, DeleteAllQSO,
   UpdateQSOsFromCty, UpdateQSOsFromQRZ, UpdateQSOsFromClublog, UploadQSOsManual, SendQSORecordingEmail,
   LookupCallsign, GetStationSettings, GetListsSettings,
-  GetStartupStatus, CheckForUpdate, DownloadAndApplyUpdate, GetLiveStations, GetWhatsNew,
+  GetStartupStatus, CheckForUpdate, DownloadAndApplyUpdate, GetLiveStations, GetWhatsNew, GetChangelog,
   WorkedBefore,
   SetCompactMode,
   GetCATState, SetCATFrequency, SetCATMode, SwitchCATRig, FlexApplyBandAntenna,
@@ -2801,6 +2801,7 @@ export default function App() {
       { type: 'item', label: refsDownloading ? 'Downloading reference lists…' : 'Download reference lists (IOTA/POTA/WWFF/SOTA)', action: 'tools.downloadRefs', disabled: refsDownloading },
     ]},
     { name: 'help', label: t('menu.help'), items: [
+      { type: 'item', label: t('whatsnew.title'), action: 'help.whatsnew' },
       { type: 'item', label: t('help.about'), action: 'help.about' },
     ]},
   ], [total, selectedId, selectedIds, ctyRefreshing, refsDownloading, exporting, wkEnabled, dvkEnabled, netEnabled, contestTabEnabled, t]);
@@ -2831,6 +2832,7 @@ export default function App() {
       case 'tools.refreshCty':  refreshCtyDat(); break;
       case 'tools.downloadRefs': downloadRefs(); break;
       case 'help.about':        setShowAbout(true); break;
+      case 'help.whatsnew':     GetChangelog().then((e: any) => { if (Array.isArray(e) && e.length) setWhatsNew(e); else showToast(t('whatsnew.none')); }).catch(() => {}); break;
     }
   }
 

frontend/src/lib/i18n.tsx

@@ -54,7 +54,7 @@ const en: Dict = {
   'btn.logQso': 'Log QSO', 'btn.clear': 'Clear', 'btn.spot': 'Spot', 'btn.saving': '…',
   // Language chooser
   'lang.choose': 'Choose your language', 'lang.chooseHint': 'You can change this later in Settings → General.',
-  'lang.english': 'English', 'lang.french': 'Français', 'whatsnew.title': "What's new", 'whatsnew.close': 'Got it',
+  'lang.english': 'English', 'lang.french': 'Français', 'whatsnew.title': "What's new", 'whatsnew.close': 'Got it', 'whatsnew.none': 'No changelog available for this version yet.',
   'settings.language': 'Language', 'settings.languageHint': 'Interface language.',
   'stats.tab': 'Statistics', 'stats.title': 'Logbook statistics', 'stats.loading': 'Crunching the log…',
   'stats.noData': 'No data', 'stats.charts': 'Charts', 'stats.table': 'Table', 'stats.refresh': 'Refresh',
@@ -368,7 +368,7 @@ const fr: Dict = {
   'field.startUtc': 'Début UTC', 'field.endUtc': 'Fin UTC', 'field.snt': 'Env', 'field.rcv': 'Reç',
   'btn.logQso': 'Enregistrer', 'btn.clear': 'Effacer', 'btn.spot': 'Spot', 'btn.saving': '…',
   'lang.choose': 'Choisissez votre langue', 'lang.chooseHint': 'Modifiable plus tard dans Réglages → Général.',
-  'lang.english': 'English', 'lang.french': 'Français', 'whatsnew.title': 'Nouveautés', 'whatsnew.close': 'Compris',
+  'lang.english': 'English', 'lang.french': 'Français', 'whatsnew.title': 'Nouveautés', 'whatsnew.close': 'Compris', 'whatsnew.none': 'Aucune nouveauté pour cette version pour le moment.',
   'settings.language': 'Langue', 'settings.languageHint': "Langue de l'interface.",
   'stats.tab': 'Statistiques', 'stats.title': 'Statistiques du journal', 'stats.loading': 'Analyse du journal…',
   'stats.noData': 'Aucune donnée', 'stats.charts': 'Graphiques', 'stats.table': 'Tableau', 'stats.refresh': 'Rafraîchir',

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

@@ -325,6 +325,8 @@ export function GetCATState():Promise<cat.RigState>;
 
 export function GetCatalogCodes():Promise<Array<string>>;
 
+export function GetChangelog():Promise<Array<main.ChangelogEntry>>;
+
 export function GetChatHistory(arg1:number):Promise<Array<main.ChatMessage>>;
 
 export function GetClublogCtyInfo():Promise<main.ClublogCtyInfo>;

frontend/wailsjs/go/main/App.js

@@ -606,6 +606,10 @@ export function GetCatalogCodes() {
   return window['go']['main']['App']['GetCatalogCodes']();
 }
 
+export function GetChangelog() {
+  return window['go']['main']['App']['GetChangelog']();
+}
+
 export function GetChatHistory(arg1) {
   return window['go']['main']['App']['GetChatHistory'](arg1);
 }