A deterministic check that a protected operation is reachable from an entry point without a check dominating
the path, per framework, built on the existing obligations checker, caller index and entry mapper; scored as a
rule arm on the access-control training pool. Follows the maintainer's finding that the hunter's features
describe shape and cannot decide unsafety.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
