[Bug] merge_dicts concatenates identical string metadata fields across streaming chunks (model_name, finish_reason doubled)
![[Bug] merge_dicts concatenates identical string metadata fields across streaming chunks (model_name, finish_reason doubled)](https://www.chat-gpts.plus/wp-content/uploads/2026/07/38366-e35da2db-768x403.jpg)
用户通过 langchain_openrouter.ChatOpenRouter 调用模型 deepseek/deepseek-v4-pro-20260423 ,并使用 .stream("Hello") 方法手动聚合块。当 AI 提供商(OpenRouter)发送两个包含相同 model_name






![[OpenAI] Codex 的重置次数槽位就两个吗?](https://www.chat-gpts.plus/wp-content/uploads/2026/07/ai_cover_1-21-768x403.jpg)

