Reuse previewRotationDeg for video scenes across editor, control,
presentation and overlays via ContainedVideo layout parity.
Co-authored-by: Cursor <cursoragent@cursor.com>
Enable scene editor, overlays, effects, and darkness on video scenes; brighten GM trap markers; document snap, NPC types, materials, and control controls in RU/EN help.
Co-authored-by: Cursor <cursoragent@cursor.com>
Ivan Fontosh