{"fixture_id":"FX_AgentChat.Model.SendMessage.Valid","verifies":"AgentChat.Model","invariant":"StreamingStateGatesInput","input":{"action":"sendMessage","args":["Покажи дашборды"],"state_before":{"streamingState":"idle","connectionState":"connected","currentConversationId":"conv-001"}},"expected":{"state_after":{"streamingState":"streaming","isInputLocked":true,"error":null,"partialText":"","activeToolCalls":[]}}}
