Répertoire de référence de apps

Fichiers
	kbd_chords_dict.c
	Implémentation du dictionnaire d'accords + utilitaires de scale/transpose (inspiration Orchid).
	kbd_chords_dict.h
	Dictionnaire d'accords et utilitaires de transposition pour l'app Keyboard (inspiré Orchid).
	kbd_input_mapper.c
	Implémentation du mapper SEQ1..16 → app Keyboard (Omnichord ON/OFF).
	kbd_input_mapper.h
	Mapper SEQ1..16 → app Keyboard (Omnichord ON/OFF).
	seq_engine_runner.c
	Bridge between the sequencer engine and runtime I/O backends.
	seq_engine_runner.h
	Application-level bridge wiring the sequencer engine to MIDI/cart I/O.
	seq_led_bridge.c
	Sequencer LED bridge relying on seq_model pattern snapshots.
	seq_led_bridge.h
	Sequencer LED bridge (pages, quick-step, param-only) backed by seq_model.
	seq_recorder.c
	Live recording bridge connecting ui_keyboard_bridge to seq_live_capture.
	seq_recorder.h
	Live recording bridge between the UI keyboard and seq_live_capture.
	ui_arp_menu.c
	ui_arp_menu.h
	ui_backend_midi_ids.h
	Espace d'identifiants (local 13 bits) pour les évènements MIDI routés via ui_backend.
	ui_keyboard_app.c
	App Keyboard — moteur Omnichord-style (Orchid) + clavier scalaire, octave shift & label.
	ui_keyboard_app.h
	App Keyboard (Custom Keys + Omnichord) — logique de notes/accords, options page 2, octave shift.
	ui_keyboard_bridge.c
	Bridge UI ↔ Keyboard App ↔ Backend, latence minimale (émission directe).
	ui_keyboard_bridge.h
	Pont vitrine UI ↔ app Keyboard ↔ backend (lecture via shadow UI, latence minimale).