feat: focus panel on rgb leds and speed boot

install.sh

@@ -7,6 +7,7 @@ CONFIG_DIR="/etc/led-manager"
 CONFIG_FILE="$CONFIG_DIR/config.json"
 PORT="${PORT:-8088}"
 HOST="${HOST:-0.0.0.0}"
+COLORS="${COLORS:-red,green,blue}"
 RAW_BASE="${RAW_BASE:-https://gitea.chickliu.fun/Hermes/led-manager-panel/raw/branch/main}"
 
 need_root() {
@@ -52,12 +53,15 @@ install_systemd_service() {
 
   echo "安装 systemd 服务：$APP_NAME"
   download "$RAW_BASE/led-manager.service" "/etc/systemd/system/$APP_NAME.service"
-  # Patch host/port/config in service if env overrides were provided.
-  sed -i "s#--host [^ ]* --port [0-9]* --config [^ ]*#--host $HOST --port $PORT --config $CONFIG_FILE#" "/etc/systemd/system/$APP_NAME.service" || true
+  # Patch host/port/config/colors in service if env overrides were provided.
+  sed -i "s#--host [^ ]* --port [0-9]* --config [^ ]*#--host $HOST --port $PORT --config $CONFIG_FILE --colors $COLORS#" "/etc/systemd/system/$APP_NAME.service" || true
+  if ! grep -q -- '--colors' "/etc/systemd/system/$APP_NAME.service"; then
+    sed -i "s#\(ExecStart=.*\)#\1 --colors $COLORS#" "/etc/systemd/system/$APP_NAME.service" || true
+  fi
   systemctl daemon-reload
   systemctl enable "$APP_NAME"
   systemctl restart "$APP_NAME"
-  systemctl status "$APP_NAME" --no-pager || true
+  systemctl is-active "$APP_NAME" >/dev/null 2>&1 && echo "服务已启动：$APP_NAME" || systemctl status "$APP_NAME" --no-pager || true
 }
 
 need_root
@@ -89,4 +93,6 @@ echo "服务：systemctl status $APP_NAME"
 echo "配置：$CONFIG_FILE"
 echo "访问地址： http://${ipaddr:-设备IP}:$PORT/"
 echo "面板里点『保存持久化』后，重启系统会由 systemd 启动本项目并自动读取配置恢复 LED。"
+echo "当前只显示/控制颜色：$COLORS"
 echo "如需修改端口：PORT=8090 sh install.sh"
+echo "如需显示全部 LED：COLORS= sh install.sh"