fix(ui): CBDT bitmap emoji + JetBrains Mono as the primary typeface#11
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… as primary face Field result on WSLg: the COLRv1 emoji build painted invisible glyphs on the GPU raster path (copy-paste worked, nothing drew) — it had only been verified under software rendering. Replace it with the CBDT/CBLC bitmap build from googlefonts/noto-emoji (OFL, woff2-compressed, 9.1MB): embedded bitmaps have no vector-paint pipeline to break, and the probe now renders the glyph pixel-identically with and without GPU. The font-dir README documents all three flavors and the verification bar. Also switch the app's primary typeface to bundled JetBrains Mono (400-700) in both stacks — the modern terminal aesthetic — with the emoji/symbol fallback chain preserved. Gate green: lint, typecheck, 121 tests, build.
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Round 3 on emoji, with the field data: COLRv1 drew invisible glyphs on WSLg's GPU raster path (copy-paste worked, nothing painted) — my probe had only exercised software rendering. The categorical fix is the CBDT/CBLC bitmap build (googlefonts/noto-emoji, OFL, 9.1MB woff2): embedded PNGs, no vector-paint pipeline to break — the flavor Android/ChromeOS ship. Pixel-verified in Electron both with and without GPU: identical 8k saturated pixels. Font README now documents all three flavors (SVG-in-OT: never; COLRv1: software-only in practice; CBDT: everywhere) and the verification bar.
Also: JetBrains Mono (bundled, OFL, weights 400–700) becomes the primary typeface in both stacks — the modern terminal aesthetic requested — with the emoji/symbol fallbacks preserved.
Gate green: lint · typecheck · 121 tests · build.