refactor: restructure docs/ and site/ directories

.github/workflows/pages.yaml

@@ -0,0 +1,31 @@
+name: Deploy GitHub Pages
+
+on:
+  push:
+    branches: [main]
+    paths: [site/**]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/configure-pages@v5
+      - uses: actions/upload-pages-artifact@v3
+        with:
+          path: site
+      - id: deployment
+        uses: actions/deploy-pages@v4

CLAUDE.md

@@ -37,8 +37,9 @@ make fmt         # Format code
 | `schemas/` | JSON Schema for SkillCard |
 | `api/` | OpenAPI 3.1 spec |
 | `deploy/` | Dockerfile, Kustomize overlays |
-| `docs/` | Published site (GitHub Pages) |
-| `dev/` | Internal plans and specs |
+| `site/` | GitHub Pages content (HTML, CNAME, slides) |
+| `docs/` | Documentation (design, research, slide sources) |
+| `docs/dev/` | Internal plans and specs |
 
 ## Architecture