a tool for shared writing and social publishing

Merge main into refactor/standard.site master

Resolved conflicts: - actions/publishToPublication.ts: Keep normalization approach and dual-schema support from branch, add backdate feature (publishedAt param) from main - components/Pages/PublicationMetadata.tsx: Use normalizedPublication from branch with !== false pattern from main for showMentions/showComments defaults Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>


+329 -104
13 changed files