{"session":{"id":"622994eccb4d4c2f9e38","domain":"excel","email":null,"language":"fr","phase":"discovery","title":null,"problem_statement":null,"profile":{"level":"","context":"démo publique","known":""},"payload":{},"created_at":"2026-06-04T19:57:06.514817","updated_at":"2026-06-04T19:57:06.514837","solution_revealed":false,"is_demo":true},"messages":[{"id":117,"role":"user","kind":"text","content":"Démo : j'ai une liste de ventes par commercial sur l'année. Je veux calculer le total par commercial et repérer qui dépasse la moyenne. J'ai essayé SOMME.SI mais je n'y arrive pas.","created_at":"2026-06-04T19:57:06.523071","meta":{}}],"media":[],"feedback":[]}