価値提案（誰に/何のために/なぜ勝てる）をレビューし、曖昧さ・矛盾・証拠不足を洗い出して、メッセージとMVPを磨くために使う。
development/proposition-reviewer
Use when you have lint errors, formatting issues, or before committing code to ensure it passes CI.
This skill should be used when the user asks to "update documentation for my changes", "check docs for this PR", "what d...
Write docstrings for PyTorch functions and methods following PyTorch conventions. Use when writing or updating docstring...