Threw ProviderHttpError from generateOpenAIHostedImage so a failing active OpenAI/Codex image call records the failure and continues the provider fallback chain instead of aborting the tool call. Fixes #5218
Threw ProviderHttpError from generateOpenAIHostedImage so a failing active OpenAI/Codex image call records the failure and continues the provider fallback chain instead of aborting the tool call. Fixes #5218