Add direct "export to Docs" button

[natoromano]

Feature Request : Add a button under the assistant response giving the option for the user to export the response directly to a new document in Docs

Solution :

• Upon click of "Export to Docs", create a .md file containing the last assistant response. Give it the title of the first header in the markdown response
• Use Docs ressource server api : https://github.com/suitenumerique/docs/blob/main/docs/resource_server.md to create a document
• Upon successful response, open a new tab with url https://docs.numerique.gouv.fr/

Alternative solution : Add a toast that says "Document created" and a link for the user to click, or says "document creation failed"

[robin-lecomte]

I propose adding a "more" button to the action bar below each Assistant response. This button would serve as a home for advanced features over time. Exporting to Docs feels like the right first candidate. The main goal here is to avoid cognitive overload from too many buttons (Hick's Law), especially since the recently added carbon impact button.

For wording, I propose "Edit in Docs" to highlight the core need behind the action: iterating on a text generated by the Assistant. If AI assistance is needed during editing, the Docs assistant takes over from there.

FIGMA