マージン修正の Device Hub 確認結果を追記
ReservedRegion のマージンの二重加算を解消
Document partially folded portrait full-screen video placement
Record continuous portrait player layout when partially folded
Record final Duo geometry and playback checks
Document Duo toolbar clipping and verification
iPhone Duo: #80 の縦バー対応の記録と App Store のスクリーンショット要件を追記
docs: record filtered album route review and regression checks
Document PR 21 command routing and keyboard layout regressions
Document PR 21 Details selection review and regression checks
Document additional PR 21 review fixes and regression checks
Document PR 21 browsing review fixes and regression checks
Document Duo volume row and square output controls
展開したDuoの再生画面と実回転の検証を記録
Document iPhone Duo implementation and validation
Document iPhone Duo specifications and implementation plan