ConstReadonlyCOMPONENT: "component"Component where error occurred
ReadonlyCURRENT_STATE: "connection.state.current"Current connection state
ReadonlyERROR_TYPE: "error.type"Error type
ReadonlyPREVIOUS_STATE: "connection.state.previous"Previous connection state
ReadonlySUCCESS: "success"Request success status
ReadonlyTOOL_NAME: "tool.name"Tool name being invoked
ReadonlyTRANSPORT: "transport"Transport type (http, sse, stdio)
Semantic attribute names for server metrics.