Initial commit: COPILOT D6 Flutter keyboard controller

Flutter web app replacing legacy WPF CCTV surveillance keyboard controller.
Includes wall overview, section view with monitor grid, camera input,
PTZ control, alarm/lock/sequence BLoCs, and legacy-matching UI styling.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

copilot_keyboard/lib/app.dart

@@ -0,0 +1,50 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+import 'injection_container.dart';
+import 'presentation/blocs/wall/wall_bloc.dart';
+import 'presentation/blocs/wall/wall_event.dart';
+import 'presentation/screens/main_screen.dart';
+
+class CopilotKeyboardApp extends StatelessWidget {
+  const CopilotKeyboardApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return BlocProvider<WallBloc>(
+      create: (_) => sl<WallBloc>()..add(const LoadWallConfig()),
+      child: MaterialApp(
+        title: 'COPILOT Keyboard',
+        theme: _buildDarkTheme(),
+        darkTheme: _buildDarkTheme(),
+        themeMode: ThemeMode.dark,
+        debugShowCheckedModeBanner: false,
+        home: const MainScreen(),
+      ),
+    );
+  }
+
+  ThemeData _buildDarkTheme() {
+    return ThemeData(
+      useMaterial3: true,
+      colorScheme: ColorScheme.fromSeed(
+        seedColor: const Color(0xFF00D4FF),
+        brightness: Brightness.dark,
+      ),
+      scaffoldBackgroundColor: const Color(0xFF0A0E14),
+      cardTheme: CardTheme(
+        elevation: 0,
+        color: const Color(0xFF151A22),
+        shape: RoundedRectangleBorder(
+          borderRadius: BorderRadius.circular(4),
+        ),
+      ),
+      elevatedButtonTheme: ElevatedButtonThemeData(
+        style: ElevatedButton.styleFrom(
+          minimumSize: const Size(36, 36),
+          padding: const EdgeInsets.symmetric(horizontal: 12),
+        ),
+      ),
+    );
+  }
+}