- Add avatar_hash (MD5 of email) to MessagePayload for server-side hash computation
- Create avatar.js with Gravatar URL generation and client-side MD5 implementation
- Show sender names and unique avatars on all messages including own messages
- Use monsterid fallback for users without Gravatar, robot icons reserved for AI
- LEFT JOIN users table in message history queries for avatar hash lookup
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Jason Tudisco
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