fix(dashboard): scale Cozette sixel text

[BYK]

Summary

• replace the compact dashboard bitmap font with a generated Cozette glyph subset
• scale glyph pixels proportionally to measured terminal cells without crossing cell bounds
• ship Cozette's MIT notice with the npm package

Verification

• pnpm --filter sentry exec vitest run test/lib/formatters/pixel-canvas.test.ts test/lib/formatters/sixel-dashboard.test.ts test/lib/formatters/dashboard-sixel-integration.test.ts
• pnpm --filter sentry run typecheck
• pnpm --filter sentry run lint
• pnpm --filter sentry run test:unit
• npm pack --dry-run
• git diff --check

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Project	Deployment	Actions	Updated (UTC)
cli	Ready	Preview	Aug 22, 2026 4:29pm