Fix BibId error logging and provide API Response payload with proper HTTP status codes.#220

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kaladay wants to merge 3 commits intomainfrom

improve_error_handling

Commits on Nov 20, 2025

Fix BibId error logging and provide API Response payload with proper HTTP status codes.
kaladay
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Add HoldingsRequestError to handle more problems and perform other minor fixes.
kaladay
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Commits on Nov 21, 2025

Improve handling of remote server error responses.
kaladay
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