Generate api/openapi.yaml from handler and domain source code. Covers
all 76 endpoints under /api/v1/ plus /health and /ready (78 total).
Includes full request/response schemas, domain model definitions,
enum types (CertificateStatus, JobType, RevocationReason, etc.),
reusable pagination envelope, error responses, and common parameters.
This spec serves as the contract for the upcoming MCP server (M18a)
and enables Swagger/Redocly interactive documentation immediately.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>