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>
Console README with usage instructions, keybindings reference, architecture
overview, and test commands. Updated root README with console section, updated
architecture diagram, and installation instructions. Includes approved design
doc and implementation plan.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>