Why: establish the authorized task workspace and its initial baseline.
Evidence: preserved precheck receipt in .task/feature-duty-acceptance-e2e.md; R0=e8d3e61a38e9690763ef46f272b2643604629cc4.
Impact: task metadata only; the feature workspace starts at e8d3e61a38.
Refs: .task/feature-duty-acceptance-e2e.md