Build an empty feed response with a dataQualityWarnings array indicating
that the upstream EP API returned 404 — likely no updates in the requested
timeframe.
Returns the same JSON-LD envelope shape (data + @context) as the
normal success path so callers do not need to branch on response shape.
Build an empty feed response with a
dataQualityWarningsarray indicating that the upstream EP API returned 404 — likely no updates in the requested timeframe.Returns the same JSON-LD envelope shape (
data+@context) as the normal success path so callers do not need to branch on response shape.