Add adaptive split-view layout for iPad/mobile workspace (#3514)

Co-authored-by: codex <codex@users.noreply.github.com>
Co-authored-by: Julius Marminge <julius@mac.lan>
Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
32d17d3db5Julius Marminge committed on 7/3/2026, 5:42:14 AM· committed by GitHubparent6d35a87
64 files changedLine totals unavailable