Why: establish the authorized task workspace and its initial baseline.
Evidence: preserved precheck receipt in .task/fix-rdm-pin-advance-latest.md; R0=1de7c28c2122609dd9b6435881696492bd052a34.
Impact: task metadata only; the feature workspace starts at 1de7c28c21.
Refs: .task/fix-rdm-pin-advance-latest.md