Status: IN
Forward-only design is simultaneously the most broadly applied pattern (independently enforcing no-regression at data, domain, and execution layers) and the single most critical constraint (the load-bearing principle whose removal would compromise correctness across all processing paradigms) — its universality and criticality are the same property viewed from coverage and dependency perspectives.
Universality of layer coverage and criticality of constraint are two views of the same forward-only property
Depends on (SL): forward-only-spans-data-domain-and-execution-layers, forward-only-is-the-architectures-load-bearing-constraint