refactor: disable custom titles in GitHub-style alerts plugin and update related rendering logic

.vscode/settings.json

@@ -8,7 +8,7 @@
     "vue"
   ],
   "editor.codeActionsOnSave": {
-    "source.fixAll.eslint": "explicit"
+    "source.fixAll.eslint": true
   },
   "i18n-ally.localesPaths": [
     "server/locales"

client/components/editor/editor-markdown.vue

@@ -267,7 +267,7 @@ const md = new MarkdownIt({
   })
   .use(mdDecorate)
   .use(underline)
-  .use(githubAlerts, { customTitle: true })
+  .use(githubAlerts, { customTitle: false })
   .use(mdEmoji)
   .use(mdTaskLists, { label: false, labelAfter: false })
   .use(mdExpandTabs)

client/libs/markdown-it-github-alerts/index.js

@@ -43,8 +43,7 @@ function githubAlertsPlugin(md, options = {}) {
 
               // Handle custom title or remove alert tag
               if (customTitle && options.customTitle !== false) {
-                // Replace with bold custom title
-                firstChild.content = `**${customTitle}**`
+                firstChild.content = `<b>${customTitle}</b>`
               } else if (customTitle && options.customTitle === false) {
                 // Custom titles disabled but title provided - remove the entire alert line
                 firstChild.content = ''