feat: Making add_from_records more robust

[pesap]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 99.38650% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 95.77%. Comparing base (c4123e1) to head (289be14).

Files with missing lines	Patch %	Lines
src/plexosdb/db.py	95.23%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #85      +/-   ##
==========================================
+ Coverage   95.39%   95.77%   +0.38%     
==========================================
  Files           8        8              
  Lines        1498     1610     +112     
==========================================
+ Hits         1429     1542     +113     
+ Misses         69       68       -1     

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