Why: establish the authorized task workspace and its initial baseline.
Evidence: preserved precheck receipt in .task/feature-document-visualization-cockpit-i4.md; R0=aa3c7eae40264ee47d5505a162074cfd77b1a099.
Impact: task metadata only; the feature workspace starts at aa3c7eae40.
Refs: .task/feature-document-visualization-cockpit-i4.md