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/spacetime-module/src/public_work.rs

@@ -553,18 +553,6 @@ fn map_match3d_gallery_entry(row: Match3DGalleryViewRow) -> PublicWorkGalleryEnt
     }
 }
 
-fn map_match3d_detail_entry(row: Match3DGalleryViewRow) -> PublicWorkDetailEntry {
-    let detail_payload_json = json_string(json!({
-        "sourceType": "match3d",
-        "themeText": row.theme_text,
-        "referenceImageSrc": row.reference_image_src,
-        "clearCount": row.clear_count,
-        "difficulty": row.difficulty,
-        "generatedItemAssetsReady": row.generated_item_assets_json.as_ref().is_some_and(|value| !value.trim().is_empty()),
-    }));
-    gallery_to_detail(map_match3d_gallery_entry(row), detail_payload_json)
-}
-
 fn map_square_hole_gallery_entry(row: SquareHoleGalleryViewRow) -> PublicWorkGalleryEntry {
     let sort_time_micros = row.published_at_micros.unwrap_or(row.updated_at_micros);