清理后端编译警告

删除后端未使用的历史 helper、mapper、handler 和 re-export

将仅测试使用的导入、常量和辅助函数收口到 cfg(test)

补齐 Jump Hop 测试构造体字段并对齐 Match3D 当前素材表测试契约

验证后端 workspace cargo check 与 Match3D、Puzzle 相关测试

server-rs/crates/api-server/src/custom_world/mappers.rs

@@ -114,41 +114,6 @@ pub(super) fn build_custom_world_library_list_profile_payload(
     })
 }
 
-pub(super) fn map_custom_world_gallery_card_response(
-    state: &AppState,
-    entry: CustomWorldGalleryEntryRecord,
-) -> CustomWorldGalleryCardResponse {
-    let author = resolve_work_author_by_user_id(
-        state,
-        &entry.owner_user_id,
-        Some(&entry.author_display_name),
-        Some(&entry.author_public_user_code),
-    );
-    CustomWorldGalleryCardResponse {
-        owner_user_id: entry.owner_user_id,
-        profile_id: entry.profile_id,
-        public_work_code: entry.public_work_code,
-        author_public_user_code: author
-            .public_user_code
-            .unwrap_or(entry.author_public_user_code),
-        visibility: entry.visibility,
-        published_at: entry.published_at,
-        updated_at: entry.updated_at,
-        author_display_name: author.display_name,
-        world_name: entry.world_name,
-        subtitle: entry.subtitle,
-        summary_text: entry.summary_text,
-        cover_image_src: entry.cover_image_src,
-        theme_mode: entry.theme_mode,
-        playable_npc_count: entry.playable_npc_count,
-        landmark_count: entry.landmark_count,
-        play_count: entry.play_count,
-        remix_count: entry.remix_count,
-        like_count: entry.like_count,
-        recent_play_count_7d: entry.recent_play_count_7d,
-    }
-}
-
 pub(super) fn map_public_work_custom_world_gallery_card_response(
     state: &AppState,
     entry: spacetime_client::PublicWorkGalleryEntryRecord,