Initial commit: Captain Claude Mobile App

- Flutter app with chat and terminal screens
- WebSocket integration for real-time chat
- xterm integration for screen sessions
- Markdown rendering with code blocks
- JWT authentication

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

lib/config/api_config.dart

@@ -0,0 +1,18 @@
+class ApiConfig {
+  static const String baseUrl = 'https://captain.tzzrarchitect.me';
+  static const String wsUrl = 'wss://captain.tzzrarchitect.me';
+
+  // Endpoints
+  static const String login = '/auth/login';
+  static const String sessions = '/sessions';
+  static const String history = '/history';
+  static const String upload = '/upload';
+
+  // WebSocket endpoints
+  static const String wsChat = '/ws/chat';
+  static String wsTerminal(String sessionName) => '/ws/terminal/$sessionName';
+
+  // Timeouts
+  static const Duration connectionTimeout = Duration(seconds: 30);
+  static const Duration receiveTimeout = Duration(seconds: 60);
+}