Keep Loading gallery until Environment and gl.compileAsync finish (with timeouts), GPU-upload painting textures before dismiss, and drop Canvas shadow maps.
Co-authored-by: Cursor <cursoragent@cursor.com>
Movement galleries split large catalogs into chronological wings (~55 works), use era-themed 3D interiors with side-wall windows, wing navigator on the back exit, and front archways between wings. Also adds painting annotations, timeline event guides, portrait hover highlights, and documentation/API updates.
Co-authored-by: Cursor <cursoragent@cursor.com>
