Solo AI Room
Design Review Room
Practice presenting and defending a design/RFC against tough questions.
Preview of your STT entitlement
Grounded in Repo Mastery
repo_payments_svc- Settlement architecture
- Ledger invariants
- Stale mastery: Event sourcing (re-certify)
- Weak area: Idempotency edge cases
- Knowledge gap: Exactly-once semantics under partition
Grounded in a Repo Mastery evidence bundle (per-dimension mastery + gaps), as of 2026-07-06T04:00:00Z. Mastery is demonstrated to RM; the room does not re-verify it.
Your scenario
You are presenting an RFC for a new service to a design review panel. One tradeoff in the design is contentious.
Cares about: scalability, operational cost, simplicity, failure modes
Priya, Staff Engineer
Design review panelist · Stage 1 of 3 · scripted (mock), not a real model
What are we solving, and what are the constraints and non-goals?
Follow-ups are AI-generated and react to your notes.
Capture as you go
Decisions, risks, questions, and actions become your shared summary
Stages
0/3 done · 33 min
Self-check
How clear were you? (private)