Optionaloptions: BaseErrorOptionsOptionalcauseOptionalstackStaticnameStatic OptionalprepareStaticstackFallback message.
StaticcaptureOptionalconstructorOpt: FunctionStaticextendStaticisStaticisStaticwrapOptionaloptions: Omit<BaseErrorOptions, "cause"> & { ifTypeDiffers?: boolean }
Tagged error for manifest fetch / parse failures. Construction sites set
context.manifestUrlandcontext.reason(one of'fetch-failed' | 'http-error' | 'parse-failed' | 'invalid') so handlers can route on the specific failure mode.