8c8022780f
32 rules Done + ~142 Implemented across §4.1.13/14. 4 Partial (multi-seg status-switching, check-in counter, airport-as-link on segment dep/arr). 7 TBD(P5) deferred (airport-as-link OB+Schedule collapsed/expanded, online check-in button). C8 registered and resolved (week-tabs active range +210→+330 days). Coverage: 317 Done, ~191 Implemented, 6 Partial, ~138 TBD.