Post-merge audit flagged cp_provisioner.go as the only new file from
the canary/C1 work without test coverage. Fills the gap:
- NewCPProvisioner_RequiresOrgID — self-hosted without MOLECULE_ORG_ID
refuses to construct (avoids silent phone-home to prod CP).
- NewCPProvisioner_FallsBackToProvisionSharedSecret — the operator
ergonomics of using one env-var name on both sides of the wire.
- AuthHeader noop + happy path — bearer only set when secret is set.
- Start_HappyPath — end-to-end POST to stubbed CP, bearer forwarded,
instance_id parsed out of response.
- Start_Non201ReturnsStructuredError — when CP returns structured
{"error":"…"}, that message surfaces to the caller.
- Start_NoStructuredErrorFallsBackToSize — regression gate for the
anti-log-leak change from PR #980: raw upstream body must NOT
appear in the error, only the byte count.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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