Implement TextualRenderer in console/renderers/textual_renderer.py using
the Rich library for a modern dark-themed TUI with blue/cyan accents.
All 18 BaseRenderer methods are implemented: lifecycle (init_screen,
cleanup), primitives (clear, refresh, get_key, get_size), widgets
(draw_header, draw_footer, draw_menu, draw_table, draw_detail,
draw_form, draw_filter_list, draw_comparison, draw_text, draw_box),
and dialogs (show_message, show_input). Keyboard input uses raw
terminal mode via tty/termios with full escape sequence decoding
for arrow keys, F-keys, Page Up/Down, Home/End.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
consultoria-as
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