Update CI

.github/workflows/deploy-github-pages.yml

@@ -3,6 +3,9 @@ name: Deploy GitHub Pages preview
 on:
   workflow_dispatch:
 
+# Note: GitHub Pages must be enabled on the repository with "GitHub Actions" as the source
+# (Settings → Pages → Build and deployment → Source → GitHub Actions)
+# Fork contributors must enable this on their fork before running this workflow.
 permissions:
   contents: read
   pages: write

.gitignore

@@ -8,6 +8,7 @@
 
 # npm
 node_modules
+package-lock.json
 
 # gatsby files
 .env
@@ -33,3 +34,4 @@ github_conf
 
 # local dev
 tmp
+linter-report.txt

.markdownlint.yml

@@ -37,6 +37,9 @@ MD033:
     - Edition
     - SuperHero
     - CodeBlock
+    - Fragment
+    - Cards
+    - HorizontalLine
 
 # MD034/no-bare-urls - Bare URL used
 MD034: false
@@ -70,9 +73,9 @@ MD054:
   autolink: false
   url_inline: false
 
-# MD055/table-pipe-style - Table pipe style (consistent style)
+# MD055/table-pipe-style - Require leading and trailing pipes (matches AM023)
 MD055:
-  style: consistent
+  style: leading_and_trailing
 
 # MD060/table-column-style - Table column style (disabled for flexible formatting)
 MD060: false