The Policy Kernel — compiles a declarative, signable action Policy into the Action Kernel's PolicyGate. Three-valued gate (allow/deny/hold), trust-ladder floor, and the approval-request lifecycle. Part of Lodestar, the trust layer for AI agents.
Application-shell framework for Tangle agent products: a bounded tool loop, the structured agent→app tool side channel, integration-hub client, per-workspace billing, and crypto — composed over the Tangle agent substrate through typed seams.