fixed the return values to strings instead of JSON.parse

.opencode/tools/tea-notification.ts

@@ -9,7 +9,7 @@ export const notificationList = tool({
   async execute(args, context) {
     try {
       const result = await $`tea notification list --output json --limit ${args.limit}`.text()
-      return JSON.parse(result)
+      return result
     } catch (error: any) {
       return {
         error: "Failed to list notifications",