v0.1.0

Billtyme's internal API foundation introduces multi-company accounts, authenticated customer and invoice commands, and generated OpenAPI documentation.

Billtyme now has its first internal, agent-oriented API foundation.

Included

Nine Hono/OpenAPI operations for companies, customers, and draft invoices
WorkOS organization-to-account identity and exact permission boundaries
Multiple legal sender companies inside one account
PostgreSQL 18 UUIDv7 IDs and composite tenant foreign keys
Retry-safe writes using idempotency keys
Exact draft calculations and persisted issuer and customer snapshots
Drizzle-defined constraints for document lifecycle, totals, numbering, and tenant ownership
A deterministic OpenAPI 3.1 artifact
A Blume landing page, guides, search, exports, and generated API reference

Not included yet

Public estimates, invoice numbering, PDF preview, approval, issuance, sending, the operational MCP server, and Ask AI remain future work.