feat(finance): watchlist sparklines (last week, Datatype font)#111
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Ports the b1dz.com font-ligature sparkline: the Datatype variable font renders
'{l:v1,v2,...}' (0-100) as an inline chart glyph — no chart lib, just a font.
- src/app/fonts/Datatype.woff2 + datatype-font.ts (next/font/local)
- Sparkline component (green up / red down via last-vs-first)
- GET /api/finance/sparklines?symbols=... batch endpoint: last-week (5D) closes
per symbol, downsampled to 24 points, per-profile provider + Yahoo fallback, cached
- Hub watchlist cards render a sparkline per symbol (one batched fetch)
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
vu1nz Security Review0 finding(s) in PR #? No security issues found. |
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Tiny inline price sparklines on watchlist cards using the b1dz Datatype font-ligature approach. New batch /api/finance/sparklines endpoint (5D closes, downsampled, cached).