Evaluates route permission for a given URI and action/method
Returns the calculated field access mode ('hidden' | 'readonly' | 'readwrite')
Returns true if the field is editable ('readwrite')
Returns true if the field is visible (not 'hidden')
Strips 'hidden' fields from outgoing read payloads
Strips 'hidden' and 'readonly' fields from incoming write payloads
Current authenticated user context (null if unauthenticated)
Scoped helper context exposed to controllers and request handlers.