Fix ailog build command arguments in all workflows

- Remove invalid --output option
- ailog build only accepts path argument
- Update gh-pages-fast.yml to use correct path
- Update action.yml to use correct command syntax
- Cloudflare workflow already correct

🤖 Generated with [Claude Code](https://claude.ai/code)

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

.github/workflows/gh-pages-fast.yml

@@ -76,12 +76,13 @@ jobs:
         TZ: "Asia/Tokyo"
       run: |
           # Use pre-built ailog binary instead of cargo build
-          ./bin/ailog build --output ./public
+          cd my-blog
+          ../bin/ailog build
           touch ./public/.nojekyll
           
     - name: Deploy
       uses: peaceiris/actions-gh-pages@v3
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
-        publish_dir: ./public
+        publish_dir: ./my-blog/public
         publish_branch: gh-pages