Why: establish the authorized task workspace and its initial baseline.
Evidence: preserved precheck receipt in .task/feature-svc-account-durability-plan.md; R0=2723e452440fc11022c0f6d916cd34cc4cd17335.
Impact: task metadata only; the feature workspace starts at 2723e45244.
Refs: .task/feature-svc-account-durability-plan.md