refine the operation detail part

packages/typespec-vscode/src/telemetry/telemetry-client.ts

@@ -6,8 +6,7 @@ import { isWhitespaceStringOrUndefined } from "../utils.js";
 import {
   emptyActivityId,
   generateActivityId,
-  OperationDetailProperties,
-  OperationDetailTelemetryEvent,
+  OperationDetailPropertyName,
   OperationTelemetryEvent,
   TelemetryEventName,
 } from "./telemetry-event.js";
@@ -117,11 +116,10 @@ class TelemetryClient {
 
   public logOperationDetailTelemetry(
     activityId: string,
-    detail: Partial<Record<keyof OperationDetailProperties, string>>,
+    detail: Partial<Record<keyof typeof OperationDetailPropertyName, string>>,
   ) {
-    const data: OperationDetailTelemetryEvent = {
+    const data = {
       activityId: activityId,
-      eventName: TelemetryEventName.OperationDetail,
       ...detail,
     };
 

packages/typespec-vscode/src/telemetry/telemetry-event.ts

@@ -10,12 +10,6 @@ export enum TelemetryEventName {
   ServerPathSettingChanged = "server-path-changed",
   OperationDetail = "operation-detail",
 }
-export class OperationDetailProperties {
-  error = "error";
-  emitterPackage = "emitterPackage";
-  compilerLocation = "compilerLocation";
-  compilerVersion = "compilerVersion";
-}
 
 export interface TelemetryEventBase {
   activityId: string;
@@ -29,10 +23,11 @@ export interface OperationTelemetryEvent extends TelemetryEventBase {
   lastStep?: string;
 }
 
-export interface OperationDetailTelemetryEvent
-  extends TelemetryEventBase,
-    Partial<Record<keyof OperationDetailProperties, string>> {
-  eventName: TelemetryEventName.OperationDetail;
+export enum OperationDetailPropertyName {
+  error,
+  emitterPackage,
+  compilerLocation,
+  compilerVersion,
 }
 
 export function generateActivityId() {