feat: add directive transformer runtime

playground/permissions/__can__.ts

@@ -0,0 +1,12 @@
+export function __can__(path: string[]) {
+  const key = path.join('.')
+  const allowed = new Set([
+    'employee.view',
+    'employee.edit',
+    'contract.create',
+  ])
+
+  // return allowed.has(key)
+  console.log('Checking permission:', key)
+  return false
+}