{"fixture_id":"FX_AgentChat.History.NotFound","verifies":"AgentChat.Api.GetHistory","edge":"invalid_conversation_id","input":{"method":"GET","path":"/api/assistant/history","query":{"conversation_id":"nonexistent","page":1,"page_size":30},"headers":{"Authorization":"Bearer eyJ..."}},"expected":{"status":404,"body":{"error":{"code":"NOT_FOUND","detail":"Conversation not found"}}}}
