feat(公开内容): 添加公开内容功能，支持文档和软件下载，无需登录即可访问

core/admin.py

@@ -13,6 +13,8 @@ from .models import (
     FamilyTask,
     TodayPlan,
     SystemConfig,
+    PublicContentType,
+    PublicContent,
 )
 
 
@@ -96,3 +98,17 @@ class TodayPlanAdmin(admin.ModelAdmin):
 @admin.register(SystemConfig)
 class SystemConfigAdmin(admin.ModelAdmin):
     list_display = ('smtp_server', 'smtp_port', 'smtp_username', 'recipient_email', 'send_time', 'created_at')
+
+
+@admin.register(PublicContentType)
+class PublicContentTypeAdmin(admin.ModelAdmin):
+    list_display = ('name', 'created_at', 'updated_at')
+    search_fields = ('name',)
+
+
+@admin.register(PublicContent)
+class PublicContentAdmin(admin.ModelAdmin):
+    list_display = ('title', 'type', 'is_published', 'sort_order', 'created_at')
+    list_filter = ('type', 'is_published')
+    search_fields = ('title', 'content')
+    ordering = ('sort_order', '-created_at')