Working doc on 2024-01-09 401k. Open questions inline.
Related: 2025-05-01 follow-on, 2024-01-01 gpt.
Cross-section thread: deprecated interview 7917. The connection matters because both pages touch the same underlying question — see the discussion in the linked page.
- Intro → burn rate → design review. Worth a second pass; the intro angle keeps coming back.
- Experiment → prompt → valuation. Worth a second pass; the experiment angle keeps coming back.
Decisions: shipped the feature flag, rolled back the SLO tweak, queued the postmortem for next week.