feat: powerline and block character rendering with visual tests#128
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slang25 wants to merge 3 commits intocoder:mainfrom
Open
feat: powerline and block character rendering with visual tests#128slang25 wants to merge 3 commits intocoder:mainfrom
slang25 wants to merge 3 commits intocoder:mainfrom
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- Implement renderBlockChar() for U+2580-U+259F block elements as pixel-perfect rectangles - Implement renderPowerlineGlyph() for U+E0B0-U+E0BF glyphs as vector shapes - Update font metrics to use fontBoundingBox for accurate cell height - Add buildFontString() helper for proper font family quoting - Add cursor style support from buffer and cursorAccent color rendering - Add 15 visual regression tests covering text, colors, cursors, wide chars, and special glyphs - Include headless Puppeteer test runner for CI/CD integration - Add baseline PNG images for all tests passing Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
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- Exit non-zero on startup failures in render test runner (P1) - Wait for browser-side runAllTests() completion before reading canvases (P2) - Use || instead of ?? for font metric fallbacks so 0 triggers fallback (P2) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Fix prettier formatting for render-test.html and correct import order in render-test.ts to satisfy biome lint rules. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
Port of powerline and block character rendering from fork, with a complete visual regression test suite.
All visual tests pass and baseline images are included for regression testing.