Remove the Rich-based textual renderer and all --mode modern references. The console now runs exclusively in VT220 curses mode (green on black). No external dependencies required. Removed: console/renderers/textual_renderer.py, --mode flag, DEFAULT_MODE Updated: main.py, config.py, README.md, console/README.md Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>