重构会话页面的消息渲染，支持块级虚拟化，提升长会话性能，减少卡断

package.json

@@ -18,7 +18,7 @@
     "@streamdown/code": "^1.0.2",
     "@streamdown/math": "^1.0.2",
     "@streamdown/mermaid": "^1.0.2",
-    "@tanstack/react-virtual": "^3.13.18",
+    "@tanstack/react-virtual": "^3.13.23",
     "@tauri-apps/api": "^2",
     "@tauri-apps/plugin-dialog": "^2.6.0",
     "@tauri-apps/plugin-opener": "^2",