33 lines
3.1 KiB
Markdown
33 lines
3.1 KiB
Markdown
# Audit re-confirmation — 2026-05-02
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This audit re-walks the gap that prompted the `bitpacker-stub-completion` change for the `@suaveplan/bitpacker-compressed` package and confirms the parent change still covers the required scope. **No new change folder was created.**
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## What was re-audited
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- `packages/bitpacker/bitpacker-compressed/src/` (genesis): 61 LOC stub with the self-described `"placeholder for a more sophisticated compression algorithm"` comment, exporting only `compressRle` / `decompressRle`. Confirmed verbatim against the genesis tree on 2026-05-02.
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- `packages/universal/bitpacker/src/compressed/` (legacy): full `CompressedBitPacker<T> extends BitPacker<T>` (327 LOC, `bitpacker.ts`) plus `CompressionRegistry` with `NoCompressionAdapter`, `GzipCompressionAdapter`, `DeflateCompressionAdapter` (336 LOC, `compression.ts`). Confirmed against the legacy tree on 2026-05-02.
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The audit instruction was: if the parent change `bitpacker-stub-completion` already covers `bitpacker-compressed` work in detail, skip creating a redundant `bitpacker-compressed-codecs` change and instead drop a re-confirmation note here.
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## Findings
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The parent change covers the gap in full. Specifically:
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- **`proposal.md` lines 39-46** spell out every requirement on the package — `CompressedBitPacker<T>`, `CompressionAdapter` interface, `CompressionRegistry` class, the three built-in adapters (`NoCompressionAdapter`, `GzipCompressionAdapter`, `DeflateCompressionAdapter`), and the `compressData` / `decompressData` async helpers — plus the explicit retention of `compressRle` / `decompressRle` for the bytes-only fast path.
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- **`proposal.md` Source-mapping table** cites the exact upstream files and line ranges (`compressed/bitpacker.ts` L1-L327; `compressed/compression.ts` L1-L336; `compressed/compression.ts` L75-L120).
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- **`specs/bitpacker-compressed/spec.md`** authors four ADDED requirements — `CompressedBitPacker subclass`, `CompressionAdapter contract and built-in adapters`, `CompressionRegistry replacement and unknown-algorithm error`, `Compression failure surfaces coded error` — every one carrying a `**Verified by:**` line.
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- **`tasks.md`** (parent change) drives implementation, tests, docs, and pre-archive verification for the package.
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The parent change is in `openspec/changes/` (active, not archived). Its scope is sufficient.
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## Recommendation
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Do not author a separate `bitpacker-compressed-codecs` change. The implementer working `bitpacker-stub-completion` should pick up the `@suaveplan/bitpacker-compressed` portion as written.
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If `bitpacker-stub-completion` is ever archived without shipping the `bitpacker-compressed` portion (e.g. the change is split into per-package branches), open `bitpacker-compressed-codecs` then with the requirements above lifted directly from this parent change's spec delta. The four ADDED requirements in `specs/bitpacker-compressed/spec.md` are ready to be carried forward verbatim.
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## Pointer
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Parent change: `openspec/changes/bitpacker-stub-completion/`
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Spec delta for this package: `openspec/changes/bitpacker-stub-completion/specs/bitpacker-compressed/spec.md`
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