feat: integrate learning module

src/stores/user-profile.ts

@@ -73,6 +73,10 @@ export function isUserProfileComplete(profile: AgentUserProfile | undefined): bo
   return Boolean(profile?.displayName.trim());
 }
 
+export function getUserProfileDisplayName(profile: AgentUserProfile | undefined): string {
+  return profile?.displayName.trim() ?? '';
+}
+
 function fromServerProfile(
   profile: AgentProfileRead,
   fallbackAvatarUrl: string | null = null,