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openspec/archive/2026-05-17-slim-currency-providers/tasks.md

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+# Tasks — Slim @suaveplan/currency-providers
+
+## Spec-completeness preflight (AGENTS.md §12a)
+
+- [x] Numbered checklist of every `### Requirement` and `#### Scenario`
+      drafted in `specs/currency-providers/spec.md` (10 requirements
+      kept/added; see `./specs/currency-providers/spec.md`).
+
+## Remove concrete provider modules
+
+- [x] Delete `src/providers/ecb/`
+- [x] Delete `src/providers/fixer/`
+- [x] Delete `src/providers/open-exchange-rates/`
+- [x] Delete `src/providers/binance/`
+- [x] Delete `src/providers/coingecko/`
+- [x] Delete `src/providers/coinmarketcap/`
+- [x] Delete `src/providers/cryptocompare/`
+- [x] Delete `src/providers/kraken/`
+- [x] Delete `src/providers/virtual/`
+- [x] Delete now-empty `src/providers/` directory
+- [x] Drop the 9 `./providers/<name>/<name>` subpath exports from
+      `package.json`
+- [x] Drop `@suaveplan/currency` and `@suaveplan/money` from `dependencies`
+      iff no remaining surface needs them — actually `@suaveplan/currency`
+      stays (registry stores `CurrencyProvider` instances from that pkg)
+      and `@suaveplan/money` drops (only the deleted `VirtualCurrencyProvider`
+      used `registerCurrency`).
+
+## Add slim-core surface
+
+- [x] Add `PROVIDER_NOT_REGISTERED` + `PROVIDER_ALREADY_REGISTERED` codes to
+      `CURRENCY_PROVIDER_CODES` (`src/error-codes/error-codes.ts`)
+- [x] Build `src/registry/registry.ts` — `CurrencyProviderRegistry` class with
+      `register` / `get` / `has` / `list` / `unregister`
+- [x] Build `src/registry/registry.md` (sibling doc, ≥200 words)
+- [x] Build `src/registry/registry.test.ts` — covers every method, both
+      registry error codes, `list()` sort determinism
+- [x] Build `src/factory/factory.ts` — `defineCurrencyProvider` factory
+- [x] Build `src/factory/factory.md`
+- [x] Build `src/factory/factory.test.ts`
+- [x] Build `src/http/http.ts` — `httpRequest` + `composeAbortSignal`
+- [x] Build `src/http/http.md`
+- [x] Build `src/http/http.test.ts` — happy path, HTTP_ERROR on non-2xx,
+      header forwarding, caller-signal abort, timeout-signal abort, both
+      signals abort, `composeAbortSignal` all four combinations
+- [x] Update `src/error-codes/error-codes.test.ts` to assert the two new
+      codes and prove they are reachable from registry call sites
+- [x] Update `src/index.ts` — explicit named barrel with new exports + drop
+      removed provider exports
+- [x] Update `package.json` `exports` map: 5 subpaths total (`.`,
+      `./error-codes/error-codes`, `./types/configs`, `./registry/registry`,
+      `./factory/factory`, `./http/http`)
+- [x] Update `tests/dep-graph.test.ts` to match the new subpath list (or
+      delete the per-subpath assertions and replace with a check that
+      every `<feature>/index.ts` is referenced from a subpath export)
+- [x] Update `vite.config.ts` external list (drop `@suaveplan/money`)
+
+## Documentation
+
+- [x] Update `README.md` Modules + Provider summary sections to describe the
+      slim core (registry / factory / httpRequest / shared types) and link
+      to the future sibling packages
+- [x] Confirm every `.ts` in `src/` has a sibling `.md` (the §13 step-5
+      grep returns zero)
+
+## Pre-archive gates (AGENTS.md §13)
+
+- [ ] Step 0 — spec reconciliation: every `### Requirement` and
+      `**Verified by:**` resolves to a real file + verbatim test name
+- [ ] Step 1 — `bunx turbo lint typecheck test --filter=@suaveplan/currency-providers`
+      and `bun run check` both green
+- [ ] Step 2 — `bunx turbo test:coverage --filter=@suaveplan/currency-providers`
+      reports 100/100/100/100 via istanbul
+- [ ] Step 3 — `bunx turbo build --filter=@suaveplan/currency-providers` green
+- [ ] Step 4 — banned-pattern grep returns zero
+- [ ] Step 4a — barrel-shape grep returns zero
+- [ ] Step 4b — test-runner-import grep returns zero
+- [ ] Step 5 — missing-`.md` grep returns zero
+- [ ] Step 6 — README present
+- [ ] Step 7 — bare-version grep returns zero
+- [ ] Step 8 — subpath-export count = 5 (matches feature module count)
+- [ ] Step 9 — security-scan grep returns zero
+- [ ] Step 10 — dependent sweep
+      (`bunx turbo test --filter=...@suaveplan/currency-providers`)
+
+## Root-doc refresh (AGENTS.md §13b)
+
+- [ ] Re-run `bun scripts/folder-reorg/generate-manifest.ts` to refresh
+      `MANIFEST.md`
+- [ ] Re-run `bun scripts/generate-missing.ts` to refresh `MISSING.yml`
+- [ ] Update `STATUS.md` row for `@suaveplan/currency-providers` to describe
+      the slim shape
+- [ ] Update `SUMMARY.md` row for `@suaveplan/currency-providers` likewise
+- [ ] `bunx markdownlint-cli2 --fix` across touched root + change files
+
+## Archive (AGENTS.md §14)
+
+- [ ] Fold `specs/currency-providers/spec.md` into
+      `openspec/specs/currency-providers/spec.md` (apply REMOVED + ADDED
+      to the canonical spec landed by the 2026-05-17 change)
+- [ ] Move `openspec/changes/slim-currency-providers/` →
+      `openspec/archive/2026-05-17-slim-currency-providers/`