Simplify error types and how to handle them.

[zoj613]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 52.94118% with 24 lines in your changes missing coverage. Please review.

Project coverage is 94.82%. Comparing base (fd68743) to head (d3eee09).

Files	Patch %	Lines
lib/storage/storage_intf.ml	0.00%	17 Missing ⚠️
lib/storage/storage.ml	66.66%	5 Missing ⚠️
lib/metadata.ml	75.00%	1 Missing ⚠️
lib/node.ml	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #27      +/-   ##
==========================================
+ Coverage   94.78%   94.82%   +0.03%     
==========================================
  Files          13       13              
  Lines        1094     1082      -12     
==========================================
- Hits         1037     1026      -11     
+ Misses         57       56       -1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.