AI DailyAI Daily – 2025-09-17(Evening)3D world modelAIAI AgentAI chipDeep learningFei-Fei Li World Labs world modelFigure AI humanoid robot fundingGoogle Agent Payments Protocol (AP2)GPT-5LangChain Summarization MiddlewareMultimodal AIReinforcement learningTencent Hunyuan PromptEnhancer framework