DIVE-3597: kill every remaining bee/Buzz visual (refresh indicator, theme label, iOS icons, dead asset)

mobile/lib/features/activity/activity_page.dart

@@ -14,7 +14,7 @@ import '../../shared/theme/theme.dart';
 import '../../shared/utils/string_utils.dart';
 import '../../shared/widgets/avatar_image.dart';
 import '../../shared/widgets/anchored_popover_menu.dart';
-import '../../shared/widgets/bee_refresh_indicator.dart';
+import '../../shared/widgets/brand_refresh_indicator.dart';
 import '../../shared/widgets/buzz_loading_indicator.dart';
 import '../../shared/widgets/frosted_app_bar.dart';
 import '../../shared/widgets/frosted_scaffold.dart';
@@ -318,7 +318,7 @@ class ActivityPage extends HookConsumerWidget {
           : -1;
 
       bodyRidesOverTopSection = true;
-      body = BeeRefreshIndicator(
+      body = BrandRefreshIndicator(
         edgeOffset: topSectionHeight,
         onRefresh: refresh,
         child: CustomScrollView(

mobile/lib/features/activity/activity_page/lists.dart

@@ -38,7 +38,7 @@ class _RemindersList extends ConsumerWidget {
     }
 
     final now = DateTime.now().millisecondsSinceEpoch ~/ 1000;
-    return BeeRefreshIndicator(
+    return BrandRefreshIndicator(
       onRefresh: onRefresh,
       child: ListView.builder(
         controller: scrollController,

mobile/lib/features/channels/channels_page.dart

@@ -17,7 +17,7 @@ import '../../shared/relay/relay.dart';
 import '../../shared/theme/theme.dart';
 import '../../shared/widgets/avatar_image.dart';
 import '../../shared/widgets/anchored_popover_menu.dart';
-import '../../shared/widgets/bee_refresh_indicator.dart';
+import '../../shared/widgets/brand_refresh_indicator.dart';
 import '../../shared/widgets/buzz_loading_indicator.dart';
 import '../../shared/widgets/buzz_titled_sheet_layout.dart';
 import '../../shared/widgets/frosted_app_bar.dart';

mobile/lib/features/channels/channels_page/body.dart

@@ -40,7 +40,7 @@ class _ChannelsBody extends StatelessWidget {
           )
         : loadedChannels == null
         ? const SizedBox.shrink()
-        : BeeRefreshIndicator(
+        : BrandRefreshIndicator(
             edgeOffset: barHeight,
             onRefresh: onRefresh,
             child: CustomScrollView(

mobile/lib/features/forum/forum_posts_view.dart

@@ -8,7 +8,7 @@ import 'package:lucide_icons_flutter/lucide_icons.dart';
 import '../../shared/theme/theme.dart';
 import '../../shared/widgets/buzz_loading_indicator.dart';
 import '../../shared/widgets/frosted_app_bar.dart';
-import '../../shared/widgets/bee_refresh_indicator.dart';
+import '../../shared/widgets/brand_refresh_indicator.dart';
 import '../channels/channel.dart';
 import '../channels/compose_bar.dart';
 import 'forum_models.dart';
@@ -93,7 +93,7 @@ class ForumPostsView extends HookConsumerWidget {
                     isArchived: channel.isArchived,
                   );
                 }
-                return BeeRefreshIndicator(
+                return BrandRefreshIndicator(
                   onRefresh: () async {
                     ref.invalidate(forumPostsProvider(channel.id));
                     await ref.read(forumPostsProvider(channel.id).future);

mobile/lib/features/pulse/pulse_page.dart

@@ -6,7 +6,7 @@ import 'package:lucide_icons_flutter/lucide_icons.dart';
 import '../../shared/relay/relay.dart';
 import '../../shared/theme/theme.dart';
 import '../../shared/widgets/filter_chip_bar.dart';
-import '../../shared/widgets/bee_refresh_indicator.dart';
+import '../../shared/widgets/brand_refresh_indicator.dart';
 import '../../shared/widgets/frosted_app_bar.dart';
 import '../../shared/widgets/frosted_scaffold.dart';
 import 'agent_activity_card.dart';
@@ -100,7 +100,7 @@ class PulsePage extends HookConsumerWidget {
             ],
           ),
           Expanded(
-            child: BeeRefreshIndicator(
+            child: BrandRefreshIndicator(
               onRefresh: () async => _refresh(ref, active.value, currentPubkey),
               child: _PulseBody(
                 tab: active.value,

mobile/lib/shared/theme/theme_catalog.dart

@@ -24,13 +24,33 @@ class ThemeColors {
 
   bool get isDark => bg.computeLuminance() < 0.5;
 
-  /// Human-readable display name: 'catppuccin-mocha' → 'Catppuccin Mocha'.
-  String get displayName => name
-      .split('-')
-      .map((w) => w.isNotEmpty ? '${w[0].toUpperCase()}${w.substring(1)}' : w)
-      .join(' ');
+  /// Human-readable display name: 'catppuccin-mocha' → 'Catppuccin Mocha',
+  /// unless [themeDisplayNameOverrides] renames it.
+  String get displayName =>
+      themeDisplayNameOverrides[name] ??
+      name
+          .split('-')
+          .map(
+            (w) => w.isNotEmpty ? '${w[0].toUpperCase()}${w.substring(1)}' : w,
+          )
+          .join(' ');
 }
 
+/// Labels for themes whose display name does not follow from their key.
+///
+/// The first-party pair is persisted AND published to the community relay,
+/// where Buzz Desktop reads it back (`community_theme_preference.dart`; the
+/// desktop catalog in `desktop/src/shared/theme/theme-loader.ts` holds the same
+/// 'buzz' key and rejects a preference naming a theme it does not know). The
+/// wire key therefore cannot be renamed from the mobile client alone. The
+/// label is overridden here instead — the one place both
+/// [ThemeColors.displayName] and `pairedThemeLabel` read, so the picker never
+/// shows two names for one palette.
+const themeDisplayNameOverrides = <String, String>{
+  'buzz': '5dive',
+  'buzz-dark': '5dive Dark',
+};
+
 /// Known light theme names — used to show sun/moon icons before loading.
 const lightThemeNames = <String>{
   'buzz',

mobile/lib/shared/theme/theme_pairs.dart

@@ -102,6 +102,9 @@ const _modeTokens = <String>{
 /// mode-specific tokens so `github-light` reads as "Github" and stands for both
 /// halves. Mirrors desktop's `pairedThemeLabel`.
 String pairedThemeLabel(String lightName) {
+  final override = themeDisplayNameOverrides[lightName];
+  if (override != null) return override;
+
   final stripped = lightName
       .split('-')
       .where((token) => !_modeTokens.contains(token))

mobile/lib/shared/theme/theme_provider.dart

@@ -16,7 +16,7 @@ const _schemeKey = 'buzz_color_scheme';
 /// Buzz ships as the default: the first-party pair, so a fresh install gets the
 /// branded top-section gradient without picking a theme first.
 const defaultSchemeName = buzzThemeName;
-const defaultSchemeDisplayName = 'Buzz';
+const defaultSchemeDisplayName = '5dive';
 
 /// Pre-loaded SharedPreferences instance, overridden in main().
 final savedPrefsProvider = Provider<SharedPreferences>(