feat: 现代化翻页组件 + 完整项目更新

- 新增 Pagination 通用组件：首页/上一页/页码/下一页/末页导航
- PickModal 和 SwapModal 集成分页功能，每页20项
- 搜索/筛选切换自动回到第1页
- 现代化CSS样式：hover浮起动效、主色高亮、移动端适配
- 新增 dashboard、admin 管理模板
- 菜系(cuisine)模型和迁移
- 构建脚本 build.py 支持 PyInstaller 打包
- 前端资源重新构建

backend/config/urls.py

@@ -1,23 +1,61 @@
-"""
-URL configuration for config project.
+import os
 
-The `urlpatterns` list routes URLs to views. For more information please see:
-    https://docs.djangoproject.com/en/6.0/topics/http/urls/
-Examples:
-Function views
-    1. Add an import:  from my_app import views
-    2. Add a URL to urlpatterns:  path('', views.home, name='home')
-Class-based views
-    1. Add an import:  from other_app.views import Home
-    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
-Including another URLconf
-    1. Import the include() function: from django.urls import include, path
-    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
-"""
 from django.contrib import admin
-from django.urls import include, path
+from django.http import HttpResponseNotFound
+from django.urls import include, path, re_path
+from django.views.generic import RedirectView, TemplateView
+from django.views.static import serve as static_serve
+
+from django.conf import settings
+
+from meals.views_spa import spa_serve
+from meals.views_dashboard import dashboard_api
+from meals.views_spa import _get_frontend_dir
+
+
+def _serve_fe_assets(request, path=''):
+    """Serve built React assets (JS/CSS) from the frontend directory."""
+    fdir = _get_frontend_dir()
+    rel = os.path.join('assets', path)
+    target = os.path.normpath(os.path.join(fdir, rel))
+    if target.startswith(os.path.normpath(fdir)) and os.path.isfile(target):
+        return static_serve(request, rel, document_root=fdir)
+    return HttpResponseNotFound('Not found')
 
 urlpatterns = [
+    path('', TemplateView.as_view(template_name='index.html'), name='index'),
+    path('app/', spa_serve, name='spa_serve'),
+    path('app/<path:path>', spa_serve, name='spa_serve_path'),
+    re_path(r'^assets/(?P<path>.+)$', _serve_fe_assets, name='fe_assets'),
     path('admin/', admin.site.urls),
     path('api/', include('meals.urls')),
+    path('api/dashboard/', dashboard_api, name='dashboard_api'),
+    path('dashboard/', RedirectView.as_view(url='/admin/', permanent=False), name='dashboard_redirect'),
 ]
+
+# When DEBUG is off (e.g. desktop.py / EXE mode), serve static files directly
+# so the Django admin and Jazzmin theme load correctly.
+if not settings.DEBUG:
+    from django.contrib.staticfiles import finders as _sf_finders
+
+    def _serve_static(request, path=''):
+        """Search all static file roots for the requested path."""
+        for root in _static_roots:
+            target = os.path.normpath(os.path.join(root, path))
+            if target.startswith(root) and os.path.isfile(target):
+                return static_serve(request, path, document_root=root)
+        from django.http import Http404
+        raise Http404
+
+    _static_roots = []
+    for _d in settings.STATICFILES_DIRS:
+        if os.path.isdir(_d):
+            _static_roots.append(os.path.normpath(_d))
+    for _finder in _sf_finders.get_finders():
+        for _path, _storage in _finder.list([]):
+            _loc = getattr(_storage, 'location', None)
+            if _loc and os.path.isdir(_loc):
+                _static_roots.append(os.path.normpath(_loc))
+    urlpatterns += [
+        re_path(r'^static/(?P<path>.+)$', _serve_static),
+    ]