docs: MkDocs Material site + refresh AI_STATUS to v4.2.0

.github/workflows/docs.yml

@@ -0,0 +1,47 @@
+name: docs
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'docs/**'
+      - 'mkdocs.yml'
+      - 'AI_STATUS.md'
+      - 'CONTRIBUTING.md'
+      - '.github/workflows/docs.yml'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+          cache: pip
+
+      - name: Install docs dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r docs/requirements.txt
+
+      - name: Build site (strict — fail on dead links / missing nav entries)
+        run: mkdocs build --strict
+
+      - name: Deploy to GitHub Pages
+        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./site
+          publish_branch: gh-pages

.gitignore

@@ -21,6 +21,9 @@ installer_output/
 *.egg-info/
 .eggs/
 
+# MkDocs build output
+site/
+
 # Virtual environments
 .venv/
 venv_clean/