Converts Discord chat exports (JSON) to a simplified, human-readable
text format with the following features:
- Handles both list and dict JSON export formats
- Sorts messages chronologically
- Groups consecutive messages from the same user
- Includes attachments, embeds, and stickers as annotations
- Adds date headers when the day changes
- Shows file size reduction stats after conversion
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>