npm audit fix: update lodash from 4.17.23 to 4.18.1

Agent-Logs-Url: https://github.com/microsoft/vscode-pull-request-github/sessions/ecf3d0d5-3976-49c9-9dec-71dd7c029aa0

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

Author: Copilot

package-lock.json

@@ -127,6 +127,14 @@ declare module 'vscode' {
 		 * Whether any hooks are enabled for this request.
 		 */
 		readonly hasHooksEnabled: boolean;
+
+		/**
+		 * When true, this request was initiated by the system (e.g. a terminal
+		 * command completion notification) rather than by the user typing a
+		 * message. Extensions can use this to render the prompt differently
+		 * and skip billing.
+		 */
+		readonly isSystemInitiated?: boolean;
 	}
 
 	export enum ChatRequestEditedFileEventKind {

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

@@ -682,27 +682,11 @@ declare module 'vscode' {
 		 */
 		readonly when?: string;
 
-		/**
-		 * When true, displays a searchable QuickPick with a "See more..." option.
-		 * Recommended for option groups with additional async items (e.g., repositories).
-		 */
-		readonly searchable?: boolean;
-
 		/**
 		 * An icon for the option group shown in UI.
 		 */
 		readonly icon?: ThemeIcon;
 
-		/**
-		 * Handler for dynamic search when `searchable` is true.
-		 * Called when the user types in the searchable QuickPick or clicks "See more..." to load additional items.
-		 *
-		 * @param query The search query entered by the user. Empty string for initial load.
-		 * @param token A cancellation token.
-		 * @returns Additional items to display in the searchable QuickPick.
-		 */
-		readonly onSearch?: (query: string, token: CancellationToken) => Thenable<ChatSessionProviderOptionItem[]>;
-
 		/**
 		 * Optional commands.
 		 *