ci: configure access to private org dependencies

Add GitHub CLI devcontainer feature, git URL rewrite and Composer
oauth config in CI workflow for private canonicalization repo access.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: jt55401

.devcontainer/devcontainer.json

@@ -2,6 +2,7 @@
   "name": "HTMLTrust CMS Reference",
   "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
   "features": {
+    "ghcr.io/devcontainers/features/github-cli:1": {},
     "ghcr.io/devcontainers/features/node:1": {
       "version": "22"
     },
@@ -17,7 +18,7 @@
       "version": "1.23"
     }
   },
-  "postCreateCommand": "cd wordpress && composer install --no-interaction 2>/dev/null; echo 'Ready'",
+  "postCreateCommand": "cd wordpress && composer install --ignore-platform-req=ext-intl --no-interaction 2>/dev/null; echo 'Ready'",
   "customizations": {
     "vscode": {
       "extensions": [

.github/workflows/ci.yml

@@ -19,6 +19,11 @@ jobs:
           extensions: intl, mbstring, mysqli
           tools: composer
 
+      - name: Configure private dep access
+        run: |
+          git config --global url."https://x-access-token:${{ secrets.HTMLTRUST_PKG_TOKEN }}@github.com/".insteadOf "https://github.com/"
+          composer config --global github-oauth.github.com "${{ secrets.HTMLTRUST_PKG_TOKEN }}"
+
       - name: Install dependencies
         working-directory: wordpress
         run: composer install --no-interaction --prefer-dist

wordpress/composer.json

@@ -12,7 +12,7 @@
   "repositories": [
     {
       "type": "vcs",
-      "url": "https://github.com/HTMLTrust/htmltrust-canonicalization"
+      "url": "https://github.com/HTMLTrust/htmltrust-canonicalization.git"
     }
   ],
   "require": {