Handoff Package

Everything that must ship to the backend team before real API wiring begins. Do not connect real endpoints ad-hoc from Lovable — the design lab has grown too broad.

LedgerOS UI Design Lab · Phase 5 blueprint — no backend is connected. Every endpoint, permission, and event listed here is a design contract, not a live API.

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documents ready to hand off.

Ad-hoc backend wiring from this design lab would create duplicate business logic, inconsistent permissions, unsafe automatic posting, conflicting financial formulas, and diverging definitions of revenue, margin, and available cash. Phase 5 exists specifically to prevent that.

DocumentOwnerFormatStatus

API contract mapLedgerOS designNotion + JSON exportReady

Data model & lineage mapLedgerOS design + ChristinNotion + ERDReady

Permission matrixRose (owner) + Carmen (reviewer)CSVReady

Integration contractsIntegration leadOpenAPI stubs + webhook signing specIn progress

Event & draft-vs-post matrixLedgerOS designNotionReady

Migration planRose + Accounting leadNotion + GanttIn progress

Acceptance test planChristin + QATestrail importIn progress

Security reviewExternal auditorPDF reportIn progress

Cutover runbookRose + ChristinRunbook + Slack war-roomIn progress

Rules for the next phase

No real endpoint is wired from Lovable without an approved API map entry.
No mutation ships without an audit event and a permission string.
No screen swaps from mock to live until its lineage disclosures are populated.
No automation is promoted from draft-only to auto-post without a Decision Log entry.