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>

analysis_options.yaml

@@ -0,0 +1,10 @@
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  rules:
+    prefer_const_constructors: true
+    prefer_const_declarations: true
+    prefer_final_fields: true
+    prefer_final_locals: true
+    avoid_print: false
+    use_key_in_widget_constructors: true