Initial plan for yarn to npm migration

Co-authored-by: rzhao271 <7199958+rzhao271@users.noreply.github.com>

Author: Copilot

src/@types/vscode.proposed.chatParticipantAdditions.d.ts

@@ -1059,6 +1059,8 @@ declare module 'vscode' {
 	}
 
 	export interface ChatRequestModeInstructions {
+		/** set when the mode a custom agent (not built-in), to be used as identifier */
+		readonly uri?: Uri;
 		readonly name: string;
 		readonly content: string;
 		readonly toolReferences?: readonly ChatLanguageModelToolReference[];

src/@types/vscode.proposed.chatParticipantPrivate.d.ts

@@ -3,7 +3,7 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-// version: 14
+// version: 15
 
 declare module 'vscode' {
 
@@ -116,6 +116,13 @@ declare module 'vscode' {
 		 */
 		readonly parentRequestId?: string;
 
+		/**
+		 * The permission level for tool auto-approval in this request.
+		 * - `'autoApprove'`: Auto-approve all tool calls and retry on errors.
+		 * - `'autopilot'`: Everything autoApprove does plus continues until the task is done.
+		 */
+		readonly permissionLevel?: string;
+
 		/**
 		 * Whether any hooks are enabled for this request.
 		 */