Chores, refactor, tiny fix.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 45.83333% with 52 lines in your changes missing coverage. Please review.

Project coverage is 63.39%. Comparing base (026b38a) to head (c0e36c4). Report is 4 commits behind head on main.

Files	Patch %	Lines
src/server/index.ts	46.98%	44 Missing :warning:
src/render/sharp.ts	12.50%	7 Missing :warning:
src/render/pool.ts	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #87 +/- ## ========================================== - Coverage 64.18% 63.39% -0.80% ========================================== Files 20 19 -1 Lines 1276 1262 -14 Branches 88 87 -1 ========================================== - Hits 819 800 -19 - Misses 455 460 +5 Partials 2 2 ```

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