Why: establish the authorized task workspace and its initial baseline.
Evidence: preserved precheck receipt in .task/fix-svc-static-deploy-test-port-flake.md; R0=a9566a68505ac97dead15ed3b5672954f15cea1c.
Impact: task metadata only; the feature workspace starts at a9566a6850.
Refs: .task/fix-svc-static-deploy-test-port-flake.md