feat: add serve command for landing page preview

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

CLAUDE.md

@@ -55,9 +55,13 @@ pnpm run dev           # Dev server for demo deck (http://localhost:3030)
 pnpm run dev:<deck>    # Dev server for a specific deck
 pnpm run build         # Build all decks → dist/
 pnpm run build:<deck>  # Build a single deck
+pnpm run serve         # Build all + serve dist/ on port 3030 (landing page with deck selection)
 pnpm run export        # Export to PDF (requires playwright-chromium)
 ```
 
+- **dev mode** — hot-reload single deck for editing, use `pnpm run dev` or `pnpm run dev:<deck>`
+- **serve mode** — build all decks and serve the landing page at `http://localhost:3030`, choose which deck to present
+
 ## CI/CD Pipeline
 
 - **Trigger:** push to `main` branch

package.json

@@ -10,6 +10,7 @@
     "build": "bash scripts/build.sh",
     "build:demo": "slidev build decks/demo/slides.md --base /demo/ --out dist/demo",
     "build:showcase": "slidev build decks/showcase/slides.md --base /showcase/ --out dist/showcase",
+    "serve": "pnpm run build && pnpm exec serve dist -l 3030",
     "export": "slidev export"
   },
   "keywords": [],
@@ -25,6 +26,7 @@
   "type": "module",
   "devDependencies": {
     "@slidev/cli": "^52.15.2",
-    "@slidev/theme-default": "^0.25.0"
+    "@slidev/theme-default": "^0.25.0",
+    "serve": "^14.2.6"
   }
 }