add ImageSizeDetails to expansions

[bzimmer]

• improved debug and error logging

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.22%. Comparing base (858e9e3) to head (fbf5f35).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #104      +/-   ##
==========================================
+ Coverage   89.85%   90.22%   +0.36%     
==========================================
  Files          14       14              
  Lines        1272     1279       +7     
==========================================
+ Hits         1143     1154      +11     
+ Misses         78       76       -2     
+ Partials       51       49       -2     

Files with missing lines	Coverage Δ
ls.go	94.49% <100.00%> (+4.29%)	⬆️

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[Copilot]

Pull request overview

This pull request adds ImageSizeDetails to the expansions used when retrieving images and albums, and enhances observability by adding structured debug and error logging throughout the ls command. The dependency on github.com/bzimmer/smugmug is updated from v0.8.2 to v0.8.3 to support these changes.

Key changes:

• Added ImageSizeDetails expansion to image and album retrieval operations to fetch additional size metadata
• Implemented structured logging using zerolog for all three resource types (image, album, node) with appropriate context fields
• Added comprehensive test coverage for internal server error scenarios

Reviewed changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

File	Description
ls.go	Added ImageSizeDetails to expansions for image and album operations; added debug logging before API calls and error logging after failures for all three resource types
ls_test.go	Added test cases and mock handlers to verify error handling for internal server errors across album, image, and node operations
go.mod	Updated github.com/bzimmer/smugmug dependency from v0.8.2 to v0.8.3
go.sum	Updated checksums for the new smugmug package version

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