## Plan: Replace ts-ignore with ts-expect-error and add details - [x] Replace `@ts-ignore` with `@ts-expect-error` in packages/jest/src/jest-fast-check-worker.ts and add explanation comment - [x] Replace `@ts-ignore` with `@ts-expect-error` in packages/poisoning/test/main.spec.ts (4 occurrences) and add explanation comments - [x] Replace `@ts-ignore` with `@ts-expect-error` in packages/poisoning/test/internals/TrackDiffsOnGlobal.spec.ts and add explanation comment - [x] Replace `@ts-ignore` with `@ts-expect-error` in packages/worker/test/e2e/*.spec.ts files (12 occurrences) and add explanation comments - [x] Replace `@ts-ignore` with `@ts-expect-error` in website/docs/tutorials/detect-race-conditions/Playgrounds.tsx and add explanation comment - [x] Run lint check to ensure no issues with changes - [x] Remove unused eslint-disable directives automatically cleaned up by linter - [x] Keep `@ts-ignore` for jest-fast-check-worker.ts (conditional error in ESM only) with detailed explanation - [x] Build all packages successfully - [x] Run tests for poisoning and worker packages - all pass - [x] Complete code review - no issues found - [x] Complete security scan - no vulnerabilities found - [x] Resolve merge conflicts with main branch (concurrentAssert.spec.ts) ## Merge Conflict Resolution Merged latest changes from main branch which added logging functionality to `concurrentAssert.spec.ts`. Resolved conflict by: - Keeping the `@ts-expect-error` approach from this PR - Including the new `concurrentLogFile` import from main - Preserving all new logging functionality All tests pass after merge. <!-- START COPILOT CODING AGENT SUFFIX --> <!-- START COPILOT ORIGINAL PROMPT --> <details> <summary>Original prompt</summary> > replace ts-ignore by ts-expect-error and add more details on why we ignore if missing </details> <!-- START COPILOT CODING AGENT TIPS --> --- 💬 We'd love your input! Share your thoughts on Copilot coding agent in our [2 minute survey](https://gh.io/copilot-coding-agent-survey). --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: dubzzz <5300235+dubzzz@users.noreply.github.com> Co-authored-by: Nicolas DUBIEN <github@dubien.org>