- Add /api/play-siren endpoint for Shift+click
- Add /api/kill-siren endpoint for k/K keys
- Add set_chords method to OSCSender for dynamic voice count
- Update soft kill to 20Hz in osc_sender.py
- Refactor CLI to use send_kill method
- Fix kill to send to all voices regardless of count
- Add /api/set-fundamental and /api/play-freq endpoints to server.py
- Add send_single method to osc_sender.py for sending single frequencies
- Add fundamental frequency input and click handler to path_navigator.html
- Distinguish between click (play) and drag (move) on nodes
- Add osc_receiver.scd for SuperCollider to receive /freq messages
- Server calculates graph edges and ratios using src/pitch.py
- Frontend fetches computed graph from API
- Supports loading different output files via dropdown
- All pitch calculations now in Python, JS only for rendering