77e2fdca14
Backend: - GET/PUT /api/positions - server-side node position persistence (~/.config/pwweb/) - GET/PUT /api/patchbay - save/load connection snapshots - POST /api/patchbay/apply - apply saved connections Frontend (custom SVG canvas): - Right-click wire to disconnect (context menu) - Port type filter toolbar (audio/midi/video/other toggles) - Save/Load patchbay buttons - Node positions persisted to localStorage + server - Node border color by mode (green=output, red=input) - Type indicator in node header [audio] [midi] - Selected wire highlight (white, thicker) - Select wire + Delete to disconnect - Drag output port to input port to connect - Pan (drag bg) and zoom (scroll wheel) - Filtered ports shown as dim dots when hidden