- Add reply enrichment: when user replies to a message, the original
message content (text, image, voice, file, location) is included
as context for the AI agent
- Add location message support: convert Telegram location attachments
to text content that AI agents can understand
- Add ExtraContent field to core.Message for platform-enriched context
- Add LocationAttachment type to core.Message
- Refactor dispatchMessage to support platform-specific enrichment