Chat client's response formatting should be Markdown
- easier to handle at client-side rendering
- Markdown inside HTML, makes it difficult to be presented correctly
- HTML needed to be sanitized
### Acknowledgements
This work is supported by the EU-funded HORIZON-CL4-2024-DATA COP-PILOT project with Grant Agreement number 101189819 and HORIZON-JU-SNS-2022 FIDAL project with Grant Agreement number 101096146.
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