Telemtry(extensions) - Add logging for extension events (#8339)

Co-authored-by: Shi Shu <shii@google.com>

packages/core/src/telemetry/index.ts

@@ -36,6 +36,9 @@ export {
   logKittySequenceOverflow,
   logChatCompression,
   logToolOutputTruncated,
+  logExtensionEnable,
+  logExtensionInstallEvent,
+  logExtensionUninstall,
 } from './loggers.js';
 export type { SlashCommandEvent, ChatCompressionEvent } from './types.js';
 export {