refactor: subject comments

[everpcpc]

把 #831 里面跟 blog 无关的内容拆过来了

[codecov]

Codecov Report

Attention: Patch coverage is 80.67568% with 143 lines in your changes missing coverage. Please review.

Project coverage is 68.93%. Comparing base (3c8aa3c) to head (a571c4f).
Report is 22 commits behind head on master.

Files with missing lines	Patch %	Lines
routes/private/routes/subject.ts	76.72%	71 Missing ⚠️
lib/topic/display.ts	20.68%	22 Missing and 1 partial ⚠️
lib/types/convert.ts	58.33%	20 Missing ⚠️
lib/types/fetcher.ts	76.47%	12 Missing ⚠️
lib/topic/index.ts	71.42%	8 Missing ⚠️
routes/private/routes/post.ts	70.58%	5 Missing ⚠️
lib/types/res.ts	98.36%	1 Missing and 1 partial ⚠️
routes/private/routes/topic.ts	94.28%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #845      +/-   ##
==========================================
- Coverage   69.14%   68.93%   -0.22%     
==========================================
  Files          98      107       +9     
  Lines       15242    16123     +881     
  Branches      799      858      +59     
==========================================
+ Hits        10539    11114     +575     
- Misses       4694     5001     +307     
+ Partials        9        8       -1     

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[trim21]

pnpm run test -u 不就行嘛

[everpcpc]

倒也是……