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docs(#456): add testing standards, ADRs 452/456/457, and CONTEXT.md entries (#458)

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- docs/adr/452-eslint-lint-harness.md (Accepted): adopt ESLint flat config
  with typescript-eslint, eslint-plugin-n, eslint-plugin-no-only-tests, and
  local AST-rule plugin; retire homegrown scripts/lint-*.cjs regex checkers;
  three test-rigor rules ship at warn, promoted to error after #453 cleanup
- docs/adr/456-test-rigor-architecture.md (Accepted): deterministic-over-racing
  via injectable clock seam + node:test mock.timers; antagonistic tier with
  fast-check + Stryker at 80% threshold; typed-surface mandate; delete-bad-tests
  policy with no-permanent-quarantine
- docs/adr/457-generated-cjs-single-source.md (Proposed): future direction to
  collapse ~59 hand-written bin/lib/*.cjs to TS-generated single source;
  eliminates tsconfig.lint.json stopgap; marked Proposed / not yet executed
- TESTING-STANDARDS.md: orients to existing docs; codifies six test-rigor
  contracts; adds new policies (no-timing-assertion, clock-seam, property-based,
  mutation-score, delete-bad-tests); pairs each with exact ESLint rule names;
  markdownlint-clean (MD040 fences, MD056 table columns)
- CONTEXT.md: adds six RULESET.TESTS.* predicates (no-timing-assertion,
  clock-seam, property-based-testing, mutation-score, delete-bad-tests,
  eslint-harness) and five glossary terms (clock seam, deterministic scheduler,
  property-based test, mutation testing/score, ESLint harness)
- docs/adr/README.md: adds index rows for ADRs 452, 456, 457

Co-authored-by: CI Rebase Check <ci@gsd-redux>
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Tom Boucher
2026-05-29 10:33:36 -04:00
committed by GitHub
parent 5ca646f015
commit ed1c20061b
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@@ -49,6 +49,9 @@ See **[CONTRIBUTING.md — "Proposing an ADR or PRD"](../../CONTRIBUTING.md#prop
| [3524-cjs-sdk-hard-seam.md](3524-cjs-sdk-hard-seam.md) | CJS↔SDK hard seam — single canonical owner per responsibility (#3524) | Superseded by ADR-0174 |
| [3660-runtime-artifact-layout-module.md](3660-runtime-artifact-layout-module.md) | Runtime Artifact Layout Module owns per-runtime artifact placement | Proposed |
| [0174-retire-gsd-sdk-package-boundary.md](0174-retire-gsd-sdk-package-boundary.md) | Retire @opengsd/gsd-sdk package boundary — single-runtime collapse | Accepted |
| [452-eslint-lint-harness.md](452-eslint-lint-harness.md) | Adopt standard ESLint flat-config lint harness; retire homegrown regex scanners | Accepted |
| [456-test-rigor-architecture.md](456-test-rigor-architecture.md) | Test-rigor architecture — deterministic scheduling, antagonistic tier, typed-surface mandate, delete-bad-tests policy | Accepted |
| [457-generated-cjs-single-source.md](457-generated-cjs-single-source.md) | Collapse hand-written CJS to generated single-source | Proposed |
## Seam map