Convert `switch { case r.URL.Path == ... }` to `switch r.URL.Path { ... }` in Vault and DigiCert connector tests to pass golangci-lint CI. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Vault PKI: synchronous issuance via /v1/{mount}/sign/{role}, token auth, revocation, CA cert retrieval, 14 tests. DigiCert CertCentral: async order model (submit → poll → download), X-DC-DEVKEY auth, OV/EV support, PEM bundle parsing, 16 tests. Both conditionally registered based on env vars. Includes OpenAPI enum updates, seed data, connector docs, architecture docs, README badges, and testing guide sign-off (Parts 38 + 39, 12 automated smoke test assertions all passing). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>