Add conversation branching system that allows creating and exploring alternate conversation paths from any message point. Each branch maintains its own complete message history.
Backend (Rust):
- Branch data structures with backward-compatible storage migration
- Tauri commands for create, switch, delete, rename, and list operations
- Automatic cleanup of child branches when parent is deleted
Frontend:
- Branch button on all messages for creating new branches
- Branch indicator badge in header showing active branch
- Branch manager modal with full branch list and controls
- Visual improvements to message action toolbar (more opaque, positioned above messages)
Branches are character-specific and persist across sessions.
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Co-Authored-By: Claude <noreply@anthropic.com>
matt
50d3177e9e