Artifact: Risk Register Over Time

Aurora Checkout Redesign -- risk register across three sprints -- exercises co-10, co-12.

Risk	Sprint 1	Sprint 2	Sprint 3
Apple Pay API breaking change (score 12)	Open, mitigation in progress.	Still open.	Retired -- launch week passed safely; the pinned SDK version held.
Load test cannot sustain 3x traffic (score 15)	Open, mitigation scheduled.	Downgraded to score 9 (impact 5 -> 3) after an early load-test dry run showed better-than-expected headroom.	Retired -- final load test passed at 3.4x peak traffic.
Bayu on scheduled leave (score 15)	Open, walkthrough scheduled.	Retired -- the walkthrough and runbook mitigation landed before leave started.	(Already retired.)
Holiday code-freeze shortens schedule (score 12)	Open.	Still open.	Retired -- the freeze date passed without incident; launch shipped ahead of the freeze window.
Finance requests a 6th provider (score 9)	Open, routed through change management.	Still open (formal decision pending finalization).	Retired -- the formal defer-to-Q1 decision closed the open question.
Feature-flag rollback bug during 3.3 (new)	-- not yet identified --	New: discovered during rollout-plan implementation. Score 8 (likelihood 2, impact 4). Owner: Priya.	Downgraded to score 3 after a partial fix landed; tracked into the Q1 follow-up work alongside Google Pay.