Shell guard verified working in sandbox:
- Green on clean repo: 'OK — every CERTCTL_* env var (194) has at least
one non-config-package consumer.'
- Red on injected orphan: '::error::Orphan env vars — defined in
config.go but no consumer found outside internal/config/' with three
remediation paths listed.
Go test internal/config/coverage_test.go written but NOT verified —
sandbox Go 1.25.9 < go.mod's 1.25.10 requirement; toolchain
auto-download fails (disk full). Operator must run `make verify` from
workstation before merge.
Allowlist scaffold at scripts/ci-guards/complete-path-config-coverage-exceptions.yaml.
Every entry requires name + justification + expires fields; expired
entries fail the guard.
Catches the lying-field bug class — env var defined in config.go that no
business-logic code reads. The 2026-04-29 SCEP MustStaple Phase 5.6 gap
(domain field shipped, service layer never read profile.MustStaple) is
the canonical case this guard would have caught at commit time.
Audit-Closes: post-v2.1.0-anti-rot/item-1
shankar0123