Changelog

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.