## Summary Replaces 14 bespoke linting/formatting devDependencies and 136 lines of custom ESLint + Prettier config with `@couimet/eslint-config@1.1.0` (published shared config). Project-specific overrides (Jest globals, Mocha globals, ignore patterns) are layered on top. The shared config brings import sorting via `simple-import-sort`, unused import detection, barrel-import enforcement, expiring TODO comments, and `require-await`. ## Changes - **Shared ESLint config**: `eslint.config.mjs` now imports from `@couimet/eslint-config/eslint` and adds project-specific ignores (`out/`, `coverage2/`, `.vscode-test/`, `.claude-work/`, `*.vsix`, `scripts/`, `test-fixtures/`), Jest globals for test files, Mocha TDD globals for integration tests, and `no-explicit-any: off` for test files - **Shared Prettier config**: deleted `prettier.config.cjs`, created `prettier.config.mjs` extending `@couimet/eslint-config/prettier` with `printWidth: 100` (160 deferred to follow-up #699) - **Dependencies**: stripped to 5 direct devDependencies (`@couimet/eslint-config`, `eslint`, `prettier`, `globals`, `typescript`). All plugins (`@typescript-eslint/*`, `eslint-plugin-*`, `@couimet/eslint-plugin-barrel-imports`, `eslint-plugin-barrel-boundary`) are pulled in via pnpm peer deps with `auto-install-peers=true` in `.npmrc` - **Prettier ignore**: `docs/BYOD.md` and `docs/LINK-FORMATS.md` excluded — prettier v3.9.6 corrupts tilde content and table alignment - **Lint compliance**: 8 TODOs given expiry dates; ~100 unnecessary `async` keywords removed; duplicate barrel imports merged; missing parameter types added; barrel files (`detection`, `selection`, `types`) updated with missing re-exports - **Rules deferred**: `barrel-boundary/enforce-barrel-files` disabled globally (ts-jest v29 incompatibility with `.js` barrel imports under `node16` module resolution — follow-up #700); `printWidth: 160` overridden to 100 (follow-up #699) ## Key Discoveries - `eslint-plugin-n` was loaded in the old config but had zero rules enabled — dead weight, no functional loss removing it - Prettier v3.9.6 regresses on tilde handling in markdown link text; `.prettierignore` workaround protects the two affected docs files ## Test Plan - [ ] All existing unit tests pass (24/26 suites, 546 tests; 2 pre-existing failures: constants.test.ts, classifyOverlap.test.ts) - [ ] All existing vscode-extension tests pass (118/118 suites) - [ ] `pnpm lint` reports zero errors ## Related - Closes #677 - Follow-up: #699 (printWidth 100 → 160) - Follow-up: #700 (scripts/ ESM conversion) - Upstream: couimet/ts-npm-packages#129 (prefer-node-protocol, shipped as v1.1.0) Generated by /finish-issue v2026.07.22@9fcae14 • [my-claude-skills](https://github.com/couimet/my-claude-skills)

Integrate @couimet/eslint-config to project #677

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Integrate `@couimet/eslint-config` to project #677