Update invokeTool to support Language

src/vscode-dts/vscode.proposed.chatParticipantAdditions.d.ts

@@ -410,6 +410,18 @@ declare module 'vscode' {
 		 * Fired when the set of tools on a chat request changes.
 		 */
 		export const onDidChangeChatRequestTools: Event<ChatRequest>;
+
+		/**
+		 * Invoke a tool by its full information object rather than just name.
+		 * This allows disambiguation when multiple tools have the same name
+		 * (e.g., from different MCP servers or model-specific implementations).
+		 *
+		 * @param tool The tool information object, typically obtained from {@link lm.tools}.
+		 * @param options The options to use when invoking the tool.
+		 * @param token A cancellation token.
+		 * @returns The result of the tool invocation.
+		 */
+		export function invokeTool(tool: LanguageModelToolInformation, options: LanguageModelToolInvocationOptions<object>, token?: CancellationToken): Thenable<LanguageModelToolResult>;
 	}
 
 	export class LanguageModelToolExtensionSource {