feat(api-server): cache puzzle gallery card view

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

@@ -59,6 +59,7 @@ mod profile_identity;
 mod prompt;
 mod puzzle;
 mod puzzle_agent_turn;
+mod puzzle_gallery_cache;
 mod refresh_session;
 mod registration_reward;
 mod request_context;
@@ -149,6 +150,7 @@ async fn run_server(config: AppConfig) -> Result<(), io::Error> {
     let state = restore_app_state_for_startup(config)
         .await
         .map_err(|error| std::io::Error::other(format!("初始化应用状态失败：{error}")))?;
+    state.puzzle_gallery_cache().spawn_cleanup_task();
     let router = build_router(state);
 
     info!(