Skill UI

Capture and retrieve durable artifact records with provenance and retention. Supports profiles like stdout, report, and receipt using immutable evidence. Use `yy ledger` CLI for secure evidence management without publishing or deploying.

A governance skill designed to secure AI agent tool calls using advanced authorization policies. It implements Cedar policies to control which tools agents can access and under what conditions. Key features include running in 'Shadow mode' for safe observation, 'Enforce mode' for strict blocking, and generating cryptographically signed Ed25519 receipts to provide an immutable, tamper-evident audit trail for every policy decision.