Commits on Feb 8, 2026

1. Fix down arrow key not working after font size change

   The cached _estimateLineHeight in TextLayoutManager was never invalidated
   when the font changed. The vertical cursor movement calculation uses this
   estimate to compute the target y-coordinate, and after enough font size
   increases the stale (too small) value prevented moveDown: from crossing
   into the next line. Up arrow was unaffected because subtracting from the
   line top always lands in the previous line.
   
   Fix: re-assign renderDelegate after font/lineHeight changes to trigger
   its didSet which clears the cached estimate. Also handle arrow keys
   explicitly in the event monitor and add Ctrl+N/P (moveDown/moveUp)
   to handleCommand for robustness.
   
   Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

   

   and claude committed

   Feb 8, 2026
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2. Add extended tree-sitter capture name mappings

   Map additional tree-sitter capture names (text.title, text.literal,
   text.uri, string.escape, constant.builtin, label, attribute,
   punctuation.delimiter/bracket/special, type.builtin, keyword.operator)
   to existing CaptureName cases for broader language support.
   
   Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

   

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3. Add gutter decoration API for custom per-line markers

   Introduce a GutterDecorationProviding protocol and GutterDecoration model
   that allow consumers to render custom per-line decorations (circles,
   squares, SF Symbols) in the gutter. Includes click handling via
   GutterDecorationInteractionDelegate and pointing-hand cursor rects.
   
   Wired through SourceEditor and TextViewController for SwiftUI integration.
   
   Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

   

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4. Address PR #364 review comments from Copilot

   - Extract renderDelegate cache invalidation into refreshEstimatedLineHeightCache() helper
   - Normalize modifier flags to [shift, control, option, command] so Ctrl-N/P work with Caps Lock/Fn
   - Fix handleArrowKey doc comment to accurately describe supported modifier combinations
   - Centralize key code constants (tab, downArrow, upArrow) as static properties
   
   Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

   

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