Merge remote-tracking branch 'origin/main' into feat/pay-v2-integration

# Conflicts:
#	docs/index.html
#	server/cmd/server/main.go

client/lib/l10n/strings_en.dart

@@ -53,9 +53,31 @@ class StringsEn extends AppText {
   @override
   String get quotaFree => 'Free · 10 min/day';
   @override
+  String get planFreeTag => 'Free';
+  @override
   String get watchAd => 'Watch ad to start';
   @override
   String get adUnlocked => 'Unlocked for today';
+  @override
+  String get quotaLeftLabel => 'Left';
+  @override
+  String get quotaUsedUp => 'Daily free time used up';
+  @override
+  String get watchAdMore => 'Watch ad for more time';
+  @override
+  String get quotaExhaustedNotice => 'Daily free time used up. Watch an ad to add time or upgrade.';
+  @override
+  String get adPlaying => 'Ad playing…';
+  @override
+  String adRewarded(int minutes) => '+$minutes min added';
+  @override
+  String get adFailed => 'Failed to add time, please retry';
+  @override
+  String get quotaDesktopTitle => 'Daily free time used up';
+  @override
+  String get quotaDesktopBody => 'Watch ads in the mobile app to add time, or upgrade for unlimited access.';
+  @override
+  String get gotIt => 'Got it';
 
   @override
   String get chooseNode => 'Choose server';
@@ -74,6 +96,8 @@ class StringsEn extends AppText {
   @override
   String get nodeUnhealthyError => 'Current node is unreachable — reconnect or switch node';
   @override
+  String get nodeReconnecting => 'Network unstable, reconnecting…';
+  @override
   String get smartSub => 'Picks the best node for your network';
   @override
   String get recommended => 'Recommended';
@@ -211,6 +235,20 @@ class StringsEn extends AppText {
   String get killSwitchSub => 'Block traffic if the link drops';
   @override
   String get checkUpdate => 'Check for updates';
+  @override
+  String get webUserCenter => 'User Center (Web)';
+  @override
+  String updateAvailableTitle(String version) => 'New version v$version available';
+  @override
+  String get updateNotesFallback => 'This update includes fixes and stability improvements.';
+  @override
+  String get updateLater => 'Later';
+  @override
+  String get updateDownload => 'Download update';
+  @override
+  String get updateUpToDate => 'You are up to date';
+  @override
+  String get updateCheckFailed => 'Update check failed, try again later';
 
   @override
   String get choosePlan => 'Choose plan';