Open challenge thread: what claims or routes in this repo feel too broad or fragile? / 开放质疑贴：哪些说法或 routes 过宽或脆弱？

[XucroYuri]

Use this thread for broad objections that are not scoped enough for an issue yet.

Helpful replies usually include:

• the exact claim, route, or rubric you distrust;
• one concrete failure context or counterexample;
• what part of the old rule still survives, if any;
• what kind of change might be needed.

If a sub-thread becomes concrete enough to change a file, route, rubric, or policy, split it into an issue.

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如果你已经感觉某条规则不稳，但还没缩成一个 issue，就先放在这里。

最好直接说：

• 你不信哪条说法；
• 它在什么条件下会坏；
• 原规则还有没有保留价值；
• 仓库下一步可能该改哪层。