f49e84b8bb
Implements terminal-based curses UI for interactive bench testing of SaltyBot motors via Termux. Features: - Interactive keyboard-based joystick (W/A/S/D or arrow keys) - Conservative velocity defaults: 0.1 m/s linear, 0.3 rad/s angular - Real-time velocity feedback with bar graphs - Spacebar e-stop (instantly zeros velocity) - 500ms timeout safety (sends zero velocity if idle) - Dual backend: ROS2 (/cmd_vel) or WebSocket - Graceful fallback if ROS2 unavailable Safety Features: - Conservative defaults (0.1/0.3 m/s) - E-stop button (spacebar) - 500ms timeout (sends zero if idle) - Input clamping and exponential decay - Status/warning displays Files: - motor_test_joystick.py: Main application - MOTOR_TEST_JOYSTICK.md: User documentation - INSTALL_MOTOR_TEST.md: Installation guide Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>