79 lines
3.9 KiB
Markdown
79 lines
3.9 KiB
Markdown
# Tasks: enterprise-font-decompress
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**Change ID**: enterprise-font-decompress
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**Package**: `@suaveplan/font-decompress`
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**Target path**: `universal/compression/font-decompress`
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**Prerequisite packages on Verdaccio**: `@suaveplan/error`, `@suaveplan/types`, `@suaveplan/mime`, `@suaveplan/font-compress`
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---
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## 0. Pre-flight (non-negotiable)
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- [ ] 0.1 Confirm clean working tree (`git status` reports nothing) and no in-flight worktrees with uncommitted work (`git worktree list` then `git status` in each)
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- [ ] 0.2 If any worktrees exist under `.claude/worktrees/`, account for each one: still-active agent, work-pending-merge, or stale-and-prune. Stale worktrees MUST be removed (`git worktree remove`) before opening a new one — code that has been lost twice on main is the failure mode this guards against.
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- [ ] 0.3 Confirm the package set in `MANIFEST.md` matches `find packages -maxdepth 3 -name package.json` count. Drift here means a prior change archived without regenerating the manifest.
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## 1. Scaffold
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- [ ] Create directory `universal/compression/font-decompress/` with `src/`, `tests/`, `src/__benchmarks__/`, and all feature subdirectories per the layout in `proposal.md`.
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- [ ] Write `package.json` at version `0.1.0` with `"type": "module"`, `"sideEffects": false`, full `exports` map, deps: `@suaveplan/error workspace:^`, `@suaveplan/types workspace:^`, `@suaveplan/mime workspace:^`, `@suaveplan/font-compress workspace:^`, `zod catalog:forms`, `@opentelemetry/api catalog:observability`.
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- [ ] Write `tsconfig.json` extending `@suaveplan/typescript-config/library.json`.
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- [ ] Write `vitest.config.ts` using `createTestConfig()` from `@suaveplan/testing/config`.
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- [ ] Add `lint`, `typecheck`, `test`, `test:coverage`, `build`, `docs:check` scripts.
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---
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## 2. Types + errors
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- [ ] Write `src/types/common.ts` — `GlyphInfo`, `CmapEntry`, `DecompressResult`, `FontDecompressAdapter`, `FontDecompressorOptions`. Re-export `FontFormat`, `FontMetadata` from `@suaveplan/font-compress`.
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- [ ] Write `src/types/common.md`.
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- [ ] Write `src/error-codes.ts` — `FontDecompressErrorCode`, `FONT_DECOMPRESS_ERROR_METADATA`, `registerFontDecompressErrorCodes()`.
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- [ ] Write Zod schemas: `GlyphInfoSchema`, `CmapEntrySchema`, `DecompressResultSchema`, `FontDecompressorOptionsSchema`.
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---
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## 3. NullFontDecompressAdapter
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- [ ] Implement `NullFontDecompressAdapter` — `probe` returns fixture metadata, `decompress` returns input bytes with a fixture result (decompressedSize = originalSize * 1.2), `enumerateGlyphs` returns N fixture glyphs, `getCmapTable` returns N fixture cmap entries.
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- [ ] Write `null-adapter.test.ts` and `null-adapter.md`.
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---
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## 4. Utils
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- [ ] Implement `detectFontFormat` (re-use pattern from font-compress, delegates to `@suaveplan/mime`).
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- [ ] Write `format-detect.test.ts` and `format-detect.md`.
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---
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## 5. FontDecompressor
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- [ ] Implement `FontDecompressor` — `probe`, `decompress`, `enumerateGlyphs`, `getCmapTable` delegate to adapter; wire `AbortSignal`.
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- [ ] Wire OTel: span `font.decompress`, counter `font_decompress_total`, histogram `font_decompress_duration_ms`.
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- [ ] Write `font-decompressor.test.ts` (≤500 lines): each method, abort, unsupported format throws.
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- [ ] Write `font-decompressor.md`.
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---
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## 6. Benchmarks
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- [ ] Write `src/__benchmarks__/font-decompress.bench.ts` — decompress 50 kB WOFF2 (null adapter), enumerate glyphs 200 kB TTF.
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---
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## 7. Tests
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- [ ] Write `tests/integration.test.ts`.
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- [ ] Write `tests/property.test.ts` (fast-check) — decompressed size ≥ original, glyph count > 0.
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---
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## 8. Docs + verify + publish
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- [ ] All co-located `.md` files (≥200 words each).
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- [ ] Write `README.md` at package root.
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- [ ] `bunx turbo lint typecheck test --filter=@suaveplan/font-decompress` — green.
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- [ ] `bunx turbo test:coverage --filter=@suaveplan/font-decompress` — 100%.
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- [ ] `bun scripts/publish.ts --package @suaveplan/font-decompress`.
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- [ ] Archive to `openspec/archive/2026-04-24-enterprise-font-decompress/`.
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