Status bar: the Orin at a glance over every view, like a phone's

Link on the left (with the menu on the Dash), then hot temperature, CAN, OBD while
connected, GNSS fix and satellites, LTE, WiFi, UPS, and the dark/bright button. The
Dash's own top line is gone into it.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

lib/pages/dash.dart

@@ -6,7 +6,6 @@
 import 'package:flutter/material.dart';
 
 import '../link/boundary.dart';
-import '../shell_scope.dart';
 import '../link/reading.dart';
 import '../theme/palette.dart';
 import '../widgets/accel_graph.dart';
@@ -16,14 +15,13 @@ import '../widgets/telltale.dart';
 import '../widgets/whiskey_mark.dart';
 
 class DashPage extends StatelessWidget {
-  const DashPage({super.key, required this.boundary, required this.themes});
+  const DashPage({super.key, required this.boundary});
   final Boundary boundary;
-  final Themes themes;
 
   @override
   Widget build(BuildContext context) {
     return ListenableBuilder(
-      listenable: Listenable.merge([boundary, themes]),
+      listenable: boundary,
       builder: (context, _) {
         final p = AppTheme.of(context);
         final b = boundary;
@@ -50,7 +48,6 @@ class DashPage extends StatelessWidget {
             child: Column(
               crossAxisAlignment: CrossAxisAlignment.stretch,
               children: [
-                _DashBar(boundary: b, themes: themes),
                 Expanded(
                   child: Padding(
                     padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
@@ -163,44 +160,3 @@ class DashPage extends StatelessWidget {
     );
   }
 }
-
-/// The dash's own thin top line: the menu, link state, and the dark/bright quick switch.
-class _DashBar extends StatelessWidget {
-  const _DashBar({required this.boundary, required this.themes});
-  final Boundary boundary;
-  final Themes themes;
-
-  @override
-  Widget build(BuildContext context) {
-    final p = AppTheme.of(context);
-    final (text, color) = switch (boundary.state) {
-      LinkState.up => ('LINK', p.subdued),
-      LinkState.connecting => ('CONNECTING', p.caution),
-      LinkState.down => ('NO LINK', p.alarm),
-    };
-    return SizedBox(
-      height: 40,
-      child: Row(
-        children: [
-          MenuButton(color: p.subdued),
-          Text(text, style: TextStyle(color: color, letterSpacing: 2)),
-          const Spacer(),
-          // Tap: hold the other variant. Long press: back to auto (Settings has both).
-          GestureDetector(
-            onLongPress: () => themes.mode = VariantMode.auto,
-            child: IconButton(
-              tooltip: themes.isDark ? 'Bright' : 'Dark',
-              onPressed: themes.toggle,
-              icon: Icon(
-                themes.mode == VariantMode.auto
-                    ? Icons.brightness_auto
-                    : (themes.isDark ? Icons.light_mode : Icons.dark_mode),
-                color: p.subdued,
-              ),
-            ),
-          ),
-        ],
-      ),
-    );
-  }
-}