feat(api): smarter sanity checking

[favonia]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.33%. Comparing base (d1850b1) to head (f24963b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #796      +/-   ##
==========================================
- Coverage   90.44%   90.33%   -0.12%     
==========================================
  Files          52       52              
  Lines        2209     2256      +47     
==========================================
+ Hits         1998     2038      +40     
- Misses        200      207       +7     
  Partials       11       11              

Flag	Coverage Δ
unittests	90.33% <100.00%> (-0.12%)	⬇️

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