Harden content loading and publishing; add accessibility fixes and CI #64Mergediamnbutlermerged 4 commits intomainfromrefs/pull/64/headConversation4 commitsCommits on October 6, 2026Validate content and publishing inputs with offline CI coverageIAiamnbutlercommittedlast monthf4a07f1Add fail-closed publishing preflight checksIAiamnbutlercommittedlast month3031327Fix markdown TOC using rendered heading IDsIAiamnbutlercommittedlast month43a2149Improve site accessibility states and reduced-motion supportIAiamnbutlercommittedlast month6903f1c