- Add swarm reply metadata fields (swarmReplyToId, swarmReplyToContent, swarmReplyToAuthor) to posts table for tracking replies to federated posts
- Extend swarmReplyTo schema to include optional content and author information for context preservation
- Build synthetic replyTo objects from swarm reply metadata to unify local and federated reply handling
- Include media in replyTo relations across all post queries for complete reply context
- Add thread container styling with visual line connector between parent and child posts
- Implement thread parent display mode with reduced opacity and hidden actions for context
- Add showThread and isThreadParent props to PostCard for flexible thread rendering
- Enable inline parent post visualization when viewing post details to show conversation context