feat: 后端 export_state 暴露世界名称, 前端顶栏渲染

addons/yt_world/models/yt_world.py

@@ -47,6 +47,7 @@ class YtWorld(models.Model):
             })
         return {
             'world_id': self.id,
+            'name': self.name,
             'seed': self.seed,
             'world_version': self.world_version,
             'settings': self.settings or {},

world.html

@@ -3387,6 +3387,10 @@ window.addEventListener('keydown', e => {
       try {
         const ws = await API.world();
         applyWorldState(ws);
+        if (ws.name) {
+          const wn = document.getElementById('worldName');
+          if (wn) wn.textContent = ws.name;
+        }
       } catch (e) {
         console.warn('加载世界存档失败，使用确定性底图', e);
       }