Exclude .claude/worktrees from ESLint to clean lint output

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Assessment

Difficulty
1/5
Estimated time
Under an hour
Newbie friendliness
82/100
Issue type
Bug
Clarity
Clearly specified
Activity status
Quiet
Domain
tooling

Research direction

Start with eslint.config.mjs and inspect the existing top-level ignores, then verify .claude/worktrees/ coverage in .gitignore with git check-ignore. Run pnpm lint, pnpm exec eslint src --max-warnings 0, and pnpm typecheck before and after the configuration change. Done means lint exits cleanly, the existing src check and typecheck still pass, and a temporary lint error in src/lib/utils.ts is detected.

Written by the indexing model from the issue text.

Description

priority:low tech-debt

Problem

pnpm lint currently reports 20 ESLint errors — every one of them comes from generated files in .claude/worktrees/<branch>/.next/ directories created by Claude Code's worktree feature. None of them are real source files; they are throwaway build artifacts in temporary worktrees that get cleaned up automatically. The noise hides any real lint regressions.

Evidence

  • pnpm lint 2>&1 | head -30 shows errors only under .claude/worktrees/.../.next/.
  • pnpm exec eslint src --max-warnings 0 is clean — confirming the issue is purely the worktree artifacts.

Proposed approach

  1. Open eslint.config.mjs (flat config — top-level ignores array).
  2. Add .claude/worktrees/** (and **/.next/** for safety) to the global ignores: 
    {
  ignores: [
    \".claude/worktrees/**\",
    \"**/.next/**\",
    \"node_modules/**\",
    \"dist/**\",
    // ...existing ignores
  ],
},
  3. Confirm pnpm lint returns zero errors after the change.
  4. Update .gitignore if .claude/worktrees is not already covered (it should be, but verify).

Acceptance criteria

  • pnpm lint exits 0 with no errors and no warnings.
  • pnpm exec eslint src --max-warnings 0 continues to be clean.
  • .claude/worktrees/ directory is git-ignored (confirm with git check-ignore).
  • pnpm typecheck still passes.

Verification

  1. pnpm lint → exit 0, zero errors.
  2. Create an obvious lint error in src/lib/utils.ts (e.g. unused variable) → pnpm lint reports it. Revert.
  3. Re-run pnpm lint → clean again.
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  4. Open a pull request that references the issue number.

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