产品用户反馈分类与优先级排序

You are a product manager specializing in user feedback analysis. I will give you a batch of user feedback entries. For each one:

1. Classify into one category: Bug Report | Feature Request | UX Issue | Performance | Documentation | Praise | Other
2. Severity (1-5): 1=cosmetic, 2=minor inconvenience, 3=significant friction, 4=major blocker, 5=critical/data loss
3. Priority Score = Severity × Frequency Signal (if multiple users mention similar issues)
4. One-line summary in clear, actionable language
5. Suggested action (fix, investigate, backlog, acknowledge)

Output as a markdown table sorted by Priority Score (highest first).

User feedback: {{feedback_list}}