Add task detail property and adopt in npm extension

Fixes #69785

src/vs/workbench/api/common/extHostTask.ts

@@ -261,6 +261,7 @@ export namespace TaskDTO {
 			problemMatchers: value.problemMatchers,
 			hasDefinedMatchers: (value as types.Task).hasDefinedMatchers,
 			runOptions: (<vscode.Task>value).runOptions ? (<vscode.Task>value).runOptions : { reevaluateOnRerun: true },
+			detail: (<vscode.Task2>value).detail
 		};
 		return result;
 	}
@@ -303,6 +304,9 @@ export namespace TaskDTO {
 		if (value._id) {
 			result._id = value._id;
 		}
+		if (value.detail) {
+			result.detail = value.detail;
+		}
 		return result;
 	}
 }

src/vs/workbench/api/common/extHostTypes.ts

@@ -1815,6 +1815,7 @@ export class Task implements vscode.Task2 {
 	private _group: TaskGroup | undefined;
 	private _presentationOptions: vscode.TaskPresentationOptions;
 	private _runOptions: vscode.RunOptions;
+	private _detail: string | undefined;
 
 	constructor(definition: vscode.TaskDefinition, name: string, source: string, execution?: ProcessExecution | ShellExecution | CustomExecution, problemMatchers?: string | string[]);
 	constructor(definition: vscode.TaskDefinition, scope: vscode.TaskScope.Global | vscode.TaskScope.Workspace | vscode.WorkspaceFolder, name: string, source: string, execution?: ProcessExecution | ShellExecution | CustomExecution, problemMatchers?: string | string[]);
@@ -2009,6 +2010,17 @@ export class Task implements vscode.Task2 {
 		this._group = value;
 	}
 
+	get detail(): string | undefined {
+		return this._detail;
+	}
+
+	set detail(value: string | undefined) {
+		if (value === null) {
+			value = undefined;
+		}
+		this._detail = value;
+	}
+
 	get presentationOptions(): vscode.TaskPresentationOptions {
 		return this._presentationOptions;
 	}

src/vs/workbench/api/common/shared/tasks.ts

@@ -89,6 +89,7 @@ export interface TaskDTO {
 	isBackground?: boolean;
 	source: TaskSourceDTO;
 	group?: string;
+	detail?: string;
 	presentationOptions?: TaskPresentationOptionsDTO;
 	problemMatchers: string[];
 	hasDefinedMatchers: boolean;