完善服务端材质渲染（未测试），删除profile表中不必要的isActive字段及相关接口

pkg/database/cache.go

@@ -306,6 +306,11 @@ func (b *CacheKeyBuilder) TextureList(userID int64, page int) string {
 	return fmt.Sprintf("%stexture:user:%d:page:%d", b.prefix, userID, page)
 }
 
+// TextureRender 构建材质渲染缓存键
+func (b *CacheKeyBuilder) TextureRender(textureID int64, renderType string, size int) string {
+	return fmt.Sprintf("%stexture:render:%d:%s:%d", b.prefix, textureID, renderType, size)
+}
+
 // Token 构建令牌缓存键
 func (b *CacheKeyBuilder) Token(accessToken string) string {
 	return fmt.Sprintf("%stoken:%s", b.prefix, accessToken)