# Tasks: enterprise-image-quantisation

**Change ID**: enterprise-image-quantisation
**Package**: `@suaveplan/image-quantisation`
**Target path**: `packages/media/image/image-quantisation`

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## 1. Scaffold

- [x] Create directory `packages/media/image/image-quantisation/` with `src/`, `src/__benchmarks__/`, and feature subdirectories.
- [x] Write `package.json` at version `0.1.0` with `"type": "module"`, `"sideEffects": false`, full `exports` map.
- [x] Write `tsconfig.lib.json` extending `tsconfig.base.json`.
- [x] Write `vitest.config.ts` with istanbul thresholds at 100/100/100/100.
- [x] Write `vite.config.ts` with multi-entry lib build.
- [x] Add `image-q` to root `package.json` catalog.

## 2. Types + errors

- [x] Write `src/types/common.ts` — all domain types.
- [x] Write `src/types/common.md`.
- [x] Write `src/errors/image-quantisation-error.ts` — `QuantisationError`, `QUANTISATION_CODES`.
- [x] Write `src/errors/image-quantisation-error.md` and `.test.ts`.

## 3. Schemas

- [x] Write `src/schemas/options.schema.ts` — Zod schemas for all public options.
- [x] Write `src/schemas/options.schema.md`.

## 4. Analysis modules

- [x] Write `src/analysis/colour/colour.ts` + `.test.ts` + `.md`.
- [x] Write `src/analysis/edges/edges.ts` + `.test.ts` + `.md`.
- [x] Write `src/analysis/pools/pools.ts` + `.test.ts` + `.md`.
- [x] Write `src/analysis/classify/classify.ts` + `.test.ts` + `.md`.

## 5. Quantisation

- [x] Write `src/quantise/quantise.ts` — wraps `image-q` with Zod + OTel.
- [x] Write `src/quantise/quantise.test.ts` + `.md`.

## 6. Spatial cleanup

- [x] Write `src/spatial/cleanup/cleanup.ts` + `.test.ts` + `.md`.

## 7. Pipeline

- [x] Write `src/pipeline/pipeline.ts` — adaptive workflow with Zod + OTel.
- [x] Write `src/pipeline/pipeline.test.ts` + `.md`.

## 8. Benchmarks

- [x] Write `src/__benchmarks__/quantisation.bench.ts`.

## 9. Property tests

- [x] Write `src/property.test.ts` with fast-check invariants.

## 10. Root barrel + README

- [x] Write `src/index.ts` with explicit named re-exports.
- [x] Write `README.md`.

## 11. Gates

- [x] `bunx turbo lint --filter=@suaveplan/image-quantisation` — green.
- [x] `bunx turbo typecheck --filter=@suaveplan/image-quantisation` — green.
- [x] `bunx turbo test --filter=@suaveplan/image-quantisation` — green.
- [x] `bunx turbo test:coverage --filter=@suaveplan/image-quantisation` — 100/100/100/100.
- [x] `bunx turbo build --filter=@suaveplan/image-quantisation` — green.
- [x] `bun run docs:check` — 100%.
- [x] `bun scripts/openspec-conformance.ts packages/media/image/image-quantisation` — 0 errors.

## 12. Spec + archive

- [x] Write `openspec/changes/enterprise-image-quantisation/specs/image-quantisation/spec.md`.
- [x] Update `openspec/changes/enterprise-image-quantisation/proposal.md` with parity checklist.
- [x] Update `openspec/changes/enterprise-image-quantisation/tasks.md`.
- [x] Fold spec delta into `openspec/specs/image-quantisation/spec.md`.
- [x] Move `openspec/changes/enterprise-image-quantisation/` → `openspec/archive/2026-05-21-enterprise-image-quantisation/`.

## 13. Manifest updates

- [x] Run `bun scripts/folder-reorg/generate-manifest.ts`.
- [x] Update `STATUS.md` — flip `@suaveplan/image-quantisation` from `–` to `✅`.
- [x] Update `SUMMARY.md` with package description.