feat: remove Learning module

src/lib/host-api.ts

@@ -28,7 +28,7 @@ export async function ensureHostApiToken(): Promise<string> {
   return token;
 }
 
-export type DesktopActivityModule = 'programming' | 'painting' | 'learning' | 'robot' | 'other';
+export type DesktopActivityModule = 'programming' | 'painting' | 'robot' | 'other';
 
 export function reportDesktopActivity(input: {
   visible: boolean;