Start with the ticket elimination plan for the pitch, the schedule, and the burndown. Then read each workstream spec for implementation detail.

The overarching narrative. ~360 engineering-attributable tickets/month traced to two root causes. Two architectural changes eliminate them. Start here for the pitch, the schedule, and the burndown.

tech spec

Credit notes replace metadata. Brain expansion replaces racing handlers. Invoice amount = truth. Includes credit note pipeline, brain architecture, and retroactive migration question.

Q1 foundation

Q1 foundation — Act 1 (Stripe params) and Continuation Workflow. Confirm payment before committing state.

tech spec

Confirm before commit on all 5 payment paths. The flip kills rollback. PM gate dies. UC expands. Includes Act 1, continuation workflow, PM gate removal, and UC Q2 cohort.

integration analysis

Local currency and local PMs via Adaptive Pricing. Three integration paths (weeks to quarters), a fatal question about subscriptions, and six open questions that determine the effort.