Clarify a Requirement

Turn the idea into a target user, concrete scenario, job, inputs, outputs and acceptance criteria. Separate facts, assumptions and open questions. Ask at most five questions that could change implementation, with possible answers. Finish with a minimal deliverable and explicit scope boundaries.

Input material:
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Goal and constraints:
{{constraints}}

Base the response on the input. Mark missing information as unknown and ask essential questions when needed. Make the output directly usable for this task.

把输入想法拆成目标用户、具体场景、要完成的任务、输入输出和验收条件。列出已知事实、合理假设与待确认问题。只问会改变实现的问题，最多五个，并给出可选答案。最后提供一个最小可交付版本和明确不包含的范围。

输入材料：
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目标与约束：
{{constraints}}

只依据输入回答。缺少关键信息时明确标记未知，必要时先提问。输出应可直接用于当前任务。