fix: prevent reused account ownership for orphan works

server-rs/crates/api-server/src/bark_battle.rs

@@ -51,6 +51,7 @@ use crate::{
     platform_errors::map_oss_error,
     request_context::RequestContext,
     state::AppState,
+    work_author::resolve_work_author_by_user_id,
     work_play_tracking::{WorkPlayTrackingDraft, record_work_play_start_after_success},
 };
 
@@ -1015,17 +1016,7 @@ fn resolve_bark_battle_author_display_name_for_record(state: &AppState, value: &
 }
 
 fn resolve_bark_battle_author_display_name(state: &AppState, owner_user_id: &str) -> String {
-    let display_name = if owner_user_id.trim().is_empty() {
-        None
-    } else {
-        state
-            .auth_user_service()
-            .get_user_by_id(owner_user_id)
-            .ok()
-            .flatten()
-            .map(|user| user.display_name)
-    };
-    normalize_author_display_name(display_name)
+    resolve_work_author_by_user_id(state, owner_user_id, None, None).display_name
 }
 
 fn normalize_author_display_name(display_name: Option<String>) -> String {