feat: add wordcount helpers, waline lightbox, and extensive bug fixes

- wordcount/min2read/totalcount built-in helpers (replaces hexo-wordcount)
- cloudTags random sort support
- waline lightbox via MutationObserver
- subtitle: seq guard prevents stale API response race
- newest-comments: escapeHtml XSS fix, unified fetchAndRender with cache fallback
- katex: try/catch asset load, encrypt re-render
- chartjs: destroy charts on pjax, fix theme property check
- mathjax: DOMContentLoaded instead of load
- mermaid: clean stale error elements
- medium-zoom: single instance, detach on pjax
- getScrollPercent: WeakMap cache with resize invalidation
- overflowPaddingR: avoid stale DOM refs
- readmode: dedupe button, pjax cleanup
- hexo-blog-decrypt: null-guard translateFn and encryptFn
- tw_cn: expand skipped translate tags
- localStorage: try/catch setItem
- cdn.js: fix [lib|dist]* character class regex bug
- findArchivesTitle: support custom archive_dir
- shuoshuoFN: guard moment.tz when timezone empty
- umami: no-store cache, error handling, path param
- artalk: vote config option
- bump version 5.7.1.260810

layout/includes/third-party/newest-comments/remark42.pug

@@ -1,31 +1,24 @@
-- const { host, siteId } = theme.remark42
-!= partial("includes/third-party/newest-comments/common.pug", {}, { cache: true })
-
-script.
-  window.addEventListener('load', () => {
-    const keyName = 'remark42-newest-comments'
-    const { changeContent, generateHtml, run } = window.newestComments
-
-    const getComment = ele => {
-      fetch('!{host}/api/v1/last/!{newestCommentsLimit}?site=!{siteId}')
-        .then(response => response.json())
-        .then(data => {
-          const remark42 = data.map(e => {
-            return {
-              'avatar': e.user.picture,
-              'content': changeContent(e.text),
-              'nick': e.user.name,
-              'url': e.locator.url,
-              'date': e.time,
-            }
-          })
-          btf.saveToLocal.set(keyName, JSON.stringify(remark42), !{theme.aside.card_newest_comments.storage}/(60*24))
-          generateHtml(remark42, ele)
-        }).catch(e => {
-          console.error(e)
-          ele.textContent= "!{_p('aside.card_newest_comments.error')}"
-        })
-    }
-
-    run(keyName, getComment)
-  })
+- const { host, siteId } = theme.remark42
+!= partial("includes/third-party/newest-comments/common.pug", {}, { cache: true })
+
+script.
+  window.newestComments.ready(() => {
+    const keyName = 'remark42-newest-comments'
+    const { changeContent, run } = window.newestComments
+
+    const getComment = () => {
+      return fetch('!{host}/api/v1/last/!{newestCommentsLimit}?site=!{siteId}')
+        .then(response => response.json())
+        .then(data => data.map(e => {
+          return {
+            'avatar': e.user.picture,
+            'content': changeContent(e.text),
+            'nick': e.user.name,
+            'url': e.locator.url,
+            'date': e.time,
+          }
+        }))
+    }
+
+    run(keyName, getComment)
+  })