- The session subtree now ALWAYS lives under <body>; inline panel mode is
emulated with a fixed-position rect synced from the layout placeholder
(ResizeObserver + resize), so toggling panel/overlay/fullscreen no longer
re-parents — and therefore no longer reloads — the app iframe.
- Display modes are strictly per-app: saved per-app pick → app default
(IndeeHub: fullscreen) → panel. The global fallback is gone, so one app's
mode can never change how another opens.
- The iframe takes focus when the app loads, so keyboard / the gamepad
bridge work inside it immediately (TV).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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