fix:仅使用包内WebUI静态资源

暂时注释本地dashboard/dist回退逻辑，并同步调整WebUI静态路径解析测试，确保仅从maibot_dashboard包加载前端资源。

src/webui/app.py

@@ -205,11 +205,12 @@ def _setup_static_files(app: FastAPI):
 
 
 def _resolve_static_path() -> Path | None:
-    # 开发环境优先允许复用仓库里的现成 dist
-    base_dir = _get_project_root()
-    static_path = base_dir / "dashboard" / "dist"
-    if static_path.is_dir() and (static_path / "index.html").exists():
-        return static_path
+    # 临时仅允许使用已安装的 maibot-dashboard 包，不使用仓库本地 dashboard/dist。
+    # 如需恢复本地回退逻辑，可取消下方注释。
+    # base_dir = _get_project_root()
+    # static_path = base_dir / "dashboard" / "dist"
+    # if static_path.is_dir() and (static_path / "index.html").exists():
+    #     return static_path
 
     try:
         module = import_module("maibot_dashboard")