- Drizzle schema: mesh.permission table with 11 boolean flags - Default permissions by role (owner > admin > member) - Broker: GET/POST /cli/mesh/:slug/permissions - Broker: DELETE /cli/mesh/:slug (owner only, soft delete) - Broker: permission check module (getPermissions, checkPermission, setPermissions) - CLI: mesh share with interactive mesh picker - CLI: mesh delete with server-side delete + confirmation Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>