Claude often misreads or fails file operations when absolute paths point outside the active worktree context. The playbook now makes repo-relative paths the first non-negotiable rule for reads, edits, searches, and command arguments, while preserving absolute paths for cross-repo or tool-required cases.

Constraint: Claude.md is the assistant source of truth for this repo

Rejected: Add a later workflow note only | file-read guidance needs to be first and non-negotiable

Confidence: high

Scope-risk: narrow

Tested: git diff --check; pnpm test

Not-tested: pnpm lint and pnpm build are blocked by pre-existing formatter/type declaration issues outside CLAUDE.md