fix: update clear functionality in ChatTodoListWidget (microsoft#268604)

* fix: update clear functionality in ChatTodoListWidget

* Update src/vs/workbench/contrib/chat/browser/chatWidget.ts

Co-authored-by: Copilot <[email protected]>

---------

Co-authored-by: Copilot <[email protected]>

Author: bhavyaus

src/vs/workbench/contrib/chat/browser/chatContentParts/chatTodoListWidget.ts

@@ -136,14 +136,14 @@ export class ChatTodoListWidget extends Disposable {
 		this.updateTodoDisplay();
 	}
 
-	public clear(sessionId: string | undefined): void {
+	public clear(sessionId: string | undefined, force: boolean = false): void {
 		if (!sessionId || this.domNode.style.display === 'none') {
 			return;
 		}
 
 		const currentTodos = this.chatTodoListService.getTodos(sessionId);
-		const todoListCompleted = !currentTodos.some(todo => todo.status !== 'completed');
-		if (todoListCompleted) {
+		const shouldClear = force || !currentTodos.some(todo => todo.status !== 'completed');
+		if (shouldClear) {
 			this.clearAllTodos();
 		}
 	}

src/vs/workbench/contrib/chat/browser/chatWidget.ts

@@ -852,6 +852,7 @@ export class ChatWidget extends Disposable implements IChatWidget {
 		// Unlock coding agent when clearing
 		this.unlockFromCodingAgent();
 		this._onDidClear.fire();
+		this.chatTodoListWidget.clear(this.viewModel?.sessionId, true);
 	}
 
 	private onDidChangeItems(skipDynamicLayout?: boolean) {
@@ -2059,8 +2060,8 @@ export class ChatWidget extends Disposable implements IChatWidget {
 			if (e.kind === 'setAgent') {
 				this._onDidChangeAgent.fire({ agent: e.agent, slashCommand: e.command });
 			}
-			if (e.kind === 'addRequest') {
-				this.chatTodoListWidget.clear(model.sessionId);
+			if (e.kind === 'addRequest' || e.kind === 'removeRequest') {
+				this.chatTodoListWidget.clear(model.sessionId, e.kind === 'removeRequest' /*force*/);
 			}
 		}));