{"session":{"id":"d2475289b9854633b373","domain":"python","email":null,"language":"fr","phase":"discovery","title":null,"problem_statement":null,"profile":{"level":"","context":"démo publique","known":""},"payload":{},"created_at":"2026-06-04T20:16:55.249102","updated_at":"2026-06-04T20:16:55.249139","solution_revealed":false,"is_demo":true},"messages":[{"id":126,"role":"user","kind":"text","content":"Mon CSV export Excel a des virgules comme décimales et l'encodage latin-1. pandas plante.","created_at":"2026-06-04T20:16:55.254984","meta":{}}],"media":[],"feedback":[]}