Invert the ordering — confirm payment before committing state. 196 rollbacks/day → ~12. Steps 1–2b shipped, Steps 2c–4 remaining.

When recurring payment fails and the customer isn't present. Shore Up fixes the leaking joints. One Code Path replaces blind handlers with a single recompute engine. 691 → ~40 disagreeing accounts.

Single checkout surface replacing per-product pages. MVP shipped with card and PayPal vaulting. V2 in flight — 2-click checkout, multi-product cart, GPay/APay.

Cross-cutting improvements every initiative depends on. Provider abstraction, canary deployments, observability, and operational tooling. 13K → 500 account drift.

196 → ~12
rollbacks / day
691 → ~40
disagreeing accounts
19% → ~78%
invoice coverage
5+ → 3
dunning code paths

KPI trajectories, quarterly timeline, and what's next — all five metrics on one page, updated as milestones land.