Why: establish the authorized task workspace and its initial baseline.
Evidence: preserved precheck receipt in .task/fix-svc-test-port-governance.md; R0=33d6ef69212595c680a744549986c19bb6acd6c3.
Impact: task metadata only; the feature workspace starts at 33d6ef6921.
Refs: .task/fix-svc-test-port-governance.md