This is the semi-automated manual tier of a WCAG assessment: the checks that need interaction (keyboard, focus, state changes, reflow) or human review (focus visibility, error recovery, reading order), which a static rule engine can't decide. Work against the running page; use source only to map a finding to . Locate and assess — don't fix (that's ). The automated tier is ; runs both under WCAG-EM. The shared rules — severity, the no-proxy boundary, high-risk patterns, conformance, grounding — are in . Read it when a call needs judgment. The rules that always apply are below. Grading Tag each…