BREAKING CHANGE: Filesystem digest omission entries now require system_code; budget and changed-file omissions use null, and unavailable-file omissions preserve the operating-system error code.
Require process retention accounting, browser network transaction identity, and all web comparison dimensions. Remove obsolete omission repairs and derive completeness from the owning producer facts.
BREAKING CHANGE: Historical captures without current producer accounting or transaction identity, and web diffs missing accessibility or storage dimensions, are rejected.