chore: remove deprecated requestRooCreditBalance handler

Drops the no-op webview handler and the unused message types. No callers remain in the extension.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: James Mtendamema

packages/types/src/vscode-extension-host.ts

@@ -67,7 +67,6 @@ export interface ExtensionMessage {
 		| "condenseTaskContextStarted"
 		| "condenseTaskContextResponse"
 		| "singleRouterModelFetchResponse"
-		| "rooCreditBalance"
 		| "indexingStatusUpdate"
 		| "indexCleared"
 		| "codebaseIndexConfig"
@@ -442,7 +441,6 @@ export interface WebviewMessage {
 		| "requestOllamaModels"
 		| "requestLmStudioModels"
 		| "requestRooModels"
-		| "requestRooCreditBalance"
 		| "requestVsCodeLmModels"
 		| "openImage"
 		| "saveImage"

src/core/webview/webviewMessageHandler.ts

@@ -1137,15 +1137,6 @@ export const webviewMessageHandler = async (
 			})
 			break
 		}
-		case "requestRooCreditBalance": {
-			const requestId = message.requestId
-			provider.postMessageToWebview({
-				type: "rooCreditBalance",
-				requestId,
-				values: { error: "Roo credit balance is no longer available." },
-			})
-			break
-		}
 		case "requestOpenAiModels":
 			if (message?.values?.baseUrl && message?.values?.apiKey) {
 				const openAiModels = await getOpenAiModels(