Summary

Track safe, debug-gated diagnostics for non-success Prebid Server auction responses.

Scope

• Classify upstream HTTP failures and expose the status safely.
• Extract a bounded, sanitized JSON or plain-text error message only in Prebid debug mode.
• Correlate bounded server-side log previews with auction IDs.
• Document the diagnostics and their security limits.

Implementation

Implemented by PR #893.