feat: add per-credential response-header-timeout and treat 524 as transient error#2060

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shellus wants to merge 3 commits intorouter-for-me:mainfrom

shellus:feat/response-header-timeout

Commits on Mar 11, 2026

feat: add per-credential response-header-timeout and treat 524 as transient error
shellus
committed
feat: add per-credential transient-error-cooldown config field
shellus
committed

Commits on Mar 12, 2026

fix: cover 524 in model-scoped branch and use DefaultTransport.Clone()
shellus
committed