Refactor: Implement avatar cleanup plan

src/types/database.ts

@@ -97,6 +97,7 @@ export interface Profile {
   display_name?: string;
   bio?: string;
   avatar_url?: string;
+  avatar_image_id?: string;
   location?: Location;
   date_of_birth?: string;
   privacy_level: 'public' | 'friends' | 'private';