Company skills become first-class resources with an install/reset/audit/export/assign CLI

What this changes for operators

• Skills move from implicit configuration to governed resources: an operator can now audit which skills are installed and assigned, and export the catalog for review or provenance tracking.
• The CLI verbs (install, reset, audit, export, assign) give platform operators a programmatic path to manage agent capabilities across a company instead of clicking through a board.
• Assignment is a distinct authority action — an operator decides which agents get which skills — so capability grants become reviewable operating state rather than ambient defaults.