Improve handling of temporary files

[robomics]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 85.18519% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 84.83%. Comparing base (540a3e7) to head (6d73e26).

Files	Patch %	Lines
src/hictk/balance/balance.cpp	77.77%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #152      +/-   ##
==========================================
+ Coverage   84.79%   84.83%   +0.03%     
==========================================
  Files         117      117              
  Lines       10052    10047       -5     
==========================================
- Hits         8524     8523       -1     
+ Misses       1528     1524       -4     

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