Captures the current OBS scene/window state after wiring Music Daemon,
Project Loading, and Game scenes through the UI. Untitled.json now
includes the new scenes and their browser sources.
Landing index.html: reverted to the simpler pre-doomguard version
(static signal bars, plain footer rig, no telemetry rotation, no
watermark animation), keeping the SIGNAL grid centering and the small
#rig opacity transition.
OBS rewrites these files on shutdown — expect future commits to show
similar dock-geometry diff noise.
