The test-porting plan in plans/TEST_PORTING.md tracks the upstream pnpm
tests scheduled for porting and the conventions expected of the ports,
but neither AGENTS.md nor CONTRIBUTING.md pointed at it. Add references
from both so contributors find the plan when working on ported tests.
https://claude.ai/code/session_01TESBtd59bbwcaNu6jsCaiU
Co-authored-by: Claude <noreply@anthropic.com>