stat

const (
	// ResponseMarshalErrorKey counts requests where the prediction succeeded
	// but gojay.Marshal of the Response struct failed. The HTTP response was
	// NOT committed: ServeHTTP recovers by emitting an explicit 500.
	ResponseMarshalErrorKey = "responseMarshalError"

	// ResponseCommittedErrorKey counts requests where status + headers were
	// already flushed to the client (200 OK) when the body Write failed.
	// This is the server-side counterpart to the bidder-observed
	// "200 OK + empty/truncated body → invalid_json" failure mode.
	// A non-zero rate here indicates either:
	//   - clients are closing the connection mid-response (most common
	//     under load when client deadline < server response time), or
	//   - HTTP/1.1 keepalive desync producing broken pipes on reuse.
	// Distinct from ErrorKey so it can be alerted independently.
	ResponseCommittedErrorKey = "responseCommittedError"
)

const (
	ReadErrorKey      = "readError"
	UnmarshalErrorKey = "unmarshalError"
)

const (
	Evaluate   = "eval"
	Invalid    = "invalid"
	Overloaded = "overloaded"
)

const Pending = "pending"