User interface

800×480 LVGL 8 deck. Implementation: ui_deck.cpp / ui_deck.h.

Layout

Zone	Height	Content
Header	~56 px	Title, Last CMD, transport badge (STOP / PLAYING / REV), USB / bridge status, PING
Content	~360 px	Active tab
Tab bar	~64 px	CUT · PLAY · TOOLS · COL · PAGE

All actions are always enabled (no SAFE/ARMED lock).

Updated from deck buttons only (not synced from Resolve’s playhead):

Control	Badge / PLAY button
PLAY	toggles STOP ↔ PLAYING; PLAY button turns green → PAUSE
L	PLAYING
J	REV (amber)
K	STOP

CUT — hero CUT; UNDO / REDO / RIPPLE DEL; DEL / SPLIT / SAVE

PLAY — J / K / L; PLAY; FIT / SNAP

TOOLS — SELECT / TRIM / BLADE; IN / OUT / MARK+; INSERT / OVERWRITE / REPLACE; marker prev/next

COL — jump to Color page; serial / parallel / layer node; bypass node / bypass all; reset node

PAGE — Media, Cut, Edit, Fusion, Color, Fairlight, Deliver

Pressed button state (lighten)
CMD → amber “sent” → green ACK (~800 ms) → ready status
ERR in red
Debounce 200 ms
STAT:BRIDGE_ONLINE / STAT:BRIDGE_OFF from the Mac host update USB/bridge status