chore: v5.7.0

- Remove APlayer/Meting music player support
- Upgrade Artalk to 2.10.0 and add vote feature
- Cache plugins.yml to avoid re-rendering on every generate
- Add null safety for error_404 and highlight config
- Fix series date timestamp format
- Enhance shuoshuo mockPost compatibility and error handling
- Prevent scrollbar flicker when fancybox is open
- Update plugin versions (docsearch, katex, twikoo)
- Bump version to 5.7.0

scripts/events/cdn.js

@@ -8,11 +8,19 @@
 const { version } = require('../../package.json')
 const path = require('path')
 
+// Cache plugins.yml to avoid re-rendering on every generate
+let cachedPlugins = null
+const loadPlugins = hexo => {
+  if (cachedPlugins) return cachedPlugins
+  cachedPlugins = hexo.render.renderSync({ path: path.join(hexo.theme_dir, '/plugins.yml'), engine: 'yaml' })
+  return cachedPlugins
+}
+
 hexo.extend.filter.register('before_generate', () => {
   const themeConfig = hexo.theme.config
   const { CDN } = themeConfig
 
-  const thirdPartySrc = hexo.render.renderSync({ path: path.join(hexo.theme_dir, '/plugins.yml'), engine: 'yaml' })
+  const thirdPartySrc = loadPlugins(hexo)
   const internalSrc = {
     main: {
       name: 'hexo-theme-butterfly',