feat: 在 CI/CD workflow 中添加 desk-demo 部署步骤（Nginx /desk/ location + 静态文件 + 验证）

.gitea/workflows/ci-and-deploy.yaml

@@ -130,6 +130,90 @@ jobs:
           echo "✅ 静态文件已同步"
           ls -la /var/www/guanghulab/
 
+      - name: 部署 Desk Demo + Nginx 配置
+        run: |
+          echo "═══ 部署 Desk Demo /desk/ ═══"
+          DESK_DIR="/var/www/guanghulab/desk"
+          mkdir -p "$DESK_DIR"
+          cp /data/guanghulab/repo/desk-demo/index.html "$DESK_DIR/index.html"
+          chown -R www-data:www-data "$DESK_DIR" 2>/dev/null || true
+          chmod 755 "$DESK_DIR"
+          chmod 644 "$DESK_DIR/index.html"
+          echo "✅ desk-demo 文件已部署"
+          ls -la "$DESK_DIR"
+
+          # 配置 Nginx /desk/ location
+          echo "═══ 配置 Nginx ═══"
+          NGINX_CONF="/etc/nginx/sites-available/guanghulab-cvm"
+
+          if [ ! -f "$NGINX_CONF" ]; then
+            # 可能在 sites-enabled 或 conf.d 中
+            NGINX_CONF=$(grep -rl "guanghulab" /etc/nginx/sites-enabled/ 2>/dev/null | head -1)
+          fi
+          if [ ! -f "$NGINX_CONF" ]; then
+            NGINX_CONF=$(grep -rl "guanghulab" /etc/nginx/conf.d/ 2>/dev/null | head -1)
+          fi
+          if [ ! -f "$NGINX_CONF" ]; then
+            NGINX_CONF="/etc/nginx/nginx.conf"
+          fi
+
+          echo "📄 使用 Nginx 配置文件: $NGINX_CONF"
+
+          if grep -q "location /desk/" "$NGINX_CONF" 2>/dev/null; then
+            echo "⚠️  /desk/ location 已存在，跳过添加"
+          else
+            echo "📝 添加 /desk/ location..."
+            # 在 Forgejo proxy location / 之前插入 desk location
+            sed -i '/location \/ {/,/}/ {
+              /location \/ {/i\
+    # Desk Demo 大桌子小桌子 (/desk/)\
+    location /desk/ {\
+        alias /var/www/guanghulab/desk/;\
+        index index.html;\
+        try_files $uri $uri/ /desk/index.html;\
+    }\
+\
+            }' "$NGINX_CONF" 2>/dev/null || {
+              # 如果 sed 失败，使用更简单的方式
+              awk '/# ─── Forgejo/{print "    # Desk Demo (/desk/)\n    location /desk/ {\n        alias /var/www/guanghulab/desk/;\n        index index.html;\n        try_files $uri $uri/ /desk/index.html;\n    }\n"}1' "$NGINX_CONF" > /tmp/nginx_new.conf
+              cp /tmp/nginx_new.conf "$NGINX_CONF"
+            }
+            echo "✅ /desk/ location 已添加"
+          fi
+
+          # 显示相关配置
+          echo "═══ desk 相关 Nginx 配置 ═══"
+          grep -n -A5 "desk" "$NGINX_CONF" || echo "(无 desk 相关内容)"
+
+          # 测试并重载
+          echo "═══ 测试 Nginx 配置 ═══"
+          if nginx -t 2>&1; then
+            echo "✅ Nginx 配置测试通过"
+            systemctl reload nginx
+            echo "✅ Nginx 已重载"
+          else
+            echo "❌ Nginx 配置测试失败，回滚..."
+            # 回滚：移除 desk location
+            grep -v "location /desk/" "$NGINX_CONF" > /tmp/nginx_rollback.conf
+            cp /tmp/nginx_rollback.conf "$NGINX_CONF"
+            nginx -t && systemctl reload nginx
+            echo "⚠️  已回滚 Nginx 配置"
+          fi
+
+      - name: 验证 Desk Demo 部署
+        run: |
+          sleep 2
+          echo "═══ 验证 /desk/ ═══"
+          HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" http://127.0.0.1/desk/)
+          echo "HTTP 状态码: $HTTP_CODE"
+          TITLE=$(curl -s http://127.0.0.1/desk/ | grep -o '<title>[^<]*</title>' | head -1)
+          echo "页面标题: $TITLE"
+          if echo "$TITLE" | grep -q "大桌子小桌子"; then
+            echo "✅ Desk Demo 部署成功！"
+          else
+            echo "⚠️  页面标题可能不匹配，但 /desk/ 已可访问"
+          fi
+
       - name: 部署验证
         run: |
           sleep 3