优化 Debian 包管理，简化发行版配置

- CI：简化 Debian 包发布流程，统一使用 stable 发行版
- 移除 bookworm 和 trixie 多发行版支持，简化维护
- postinst：优化安装完成提示，提供清晰的配置和启动步骤
- postrm/prerm：改进卸载和升级前的清理逻辑
- README：更新安装说明，使用 stable 仓库
- install.deb.sh：同步更新仓库配置

debian/postinst

@@ -56,27 +56,43 @@ fi
 echo ""
 echo "✅ XXXigCC installed successfully!"
 echo ""
-echo "📋 Service Information:"
+echo "📋 Configuration and startup:"
 echo ""
-echo "  xxxigcc-server  - Control server with web UI (uses config_cc.json)"
-echo "  xxxigcc-daemon  - Mining client daemon (uses config.json, auto-calls xxxigMiner)"
+echo "1. Review and configure settings (optional):"
+echo "   For mining client:"
+echo "     sudo nano /etc/xxxigcc/config.json"
+echo "   For control server:"
+echo "     sudo nano /etc/xxxigcc/config_cc.json"
 echo ""
-echo "To start the server (central control):"
-echo "  sudo systemctl enable xxxigcc-server.service"
-echo "  sudo systemctl start xxxigcc-server.service"
+echo "   Adjust pool settings, wallet address, CC server, and other options as needed."
 echo ""
-echo "To start the daemon (mining client):"
-echo "  sudo systemctl enable xxxigcc-daemon.service"
-echo "  sudo systemctl start xxxigcc-daemon.service"
+echo "2. Start services:"
 echo ""
-echo "Configuration files:"
-echo "  /etc/xxxigcc/config.json     - Daemon/Miner configuration"
-echo "  /etc/xxxigcc/config_cc.json  - Server configuration"
+echo "   For mining client (daemon):"
+echo "     sudo systemctl enable xxxigcc-daemon.service"
+echo "     sudo systemctl start xxxigcc-daemon.service"
 echo ""
-echo "Binaries location:"
-echo "  /opt/xxxigcc/xxxigServer  - Control server"
-echo "  /opt/xxxigcc/xxxigDaemon  - Client daemon (auto-calls xxxigMiner)"
-echo "  /opt/xxxigcc/xxxigMiner   - Miner executable"
+echo "   For control server (optional, Web UI on port 3344):"
+echo "     sudo systemctl enable xxxigcc-server.service"
+echo "     sudo systemctl start xxxigcc-server.service"
+echo ""
+echo "3. Check status:"
+echo "   sudo systemctl status xxxigcc-daemon"
+echo "   sudo journalctl -u xxxigcc-daemon -f"
+echo ""
+echo "📁 Important paths:"
+echo "   Config files:   /etc/xxxigcc/config.json (daemon)"
+echo "                   /etc/xxxigcc/config_cc.json (server)"
+echo "   Log directory:  /var/log/xxxigcc"
+echo "   Binaries:       /opt/xxxigcc/xxxigServer (control server)"
+echo "                   /opt/xxxigcc/xxxigDaemon (mining daemon)"
+echo "                   /opt/xxxigcc/xxxigMiner (miner executable)"
+echo ""
+echo "💡 Tip: Your config files will NOT be overwritten during package upgrades."
+echo ""
+echo "For help:"
+echo "   /opt/xxxigcc/xxxigDaemon --help"
+echo "   /opt/xxxigcc/xxxigServer --help"
 echo ""
 
 exit 0