初始化 XXXig 打包部署脚本与 CI 流水线

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

debian/prerm

@@ -0,0 +1,19 @@
+#!/bin/sh
+set -e
+
+# 仅在卸载(remove)时停用服务；升级(upgrade)时保持运行与开机自启状态
+if [ "$1" = "remove" ] && [ -d /run/systemd/system ]; then
+    for service in xxxig-server.service xxxig-daemon.service; do
+        if systemctl is-active --quiet "$service"; then
+            echo "Stopping $service..."
+            systemctl stop "$service"
+        fi
+
+        if systemctl is-enabled --quiet "$service"; then
+            echo "Disabling $service..."
+            systemctl disable "$service"
+        fi
+    done
+fi
+
+exit 0