Part 3 of the home network dashboard build. 11 deferred items closed in one session. Two PRs merged the same day. OpenAI Codex shipped Feature 1 phases 1.1-1.3 from a re-runnable plan doc, then hit its weekly $20 ChatGPT Plus rate limit. Claude Code picked up where Codex left off, fixed CI, closed a PII consistency gap on the new domain endpoint, and merged PR #5. The same Claude session then swept 11 more deferred items from the same plan doc into PR #6. 523 backend tests, 141 Vitest, 15 Playwright at the end. The through-line is the plan doc, not the agent that read it.