git:20260917.e2e4129 to git:20261011.1dc6a7a

5 added, 0 removed. Audit A to A.

## Language

- Always respond in Simplified Chinese.

## Code Comments

Write as few comments as possible.

Comments should be:

- short (usually under one line)

- describe *why*, not *what*

- avoid explaining obvious code

- never write tutorial-style comments

- never comment every step

+ ## Git Commits

+ - Use a single short one-line message.

+ - Never add Claude attribution (no `Co-Authored-By: Claude` or similar lines).