update at 2026-03-15 14:54:51

dash/src/local/env.sh

@@ -13,6 +13,11 @@ export TIMEZONE=${TIMEZONE:-"Asia/Shanghai"}
 # 等图片尺寸与刷新逻辑确认无误后，再改回 4 之类的值以节省功耗。
 export FULL_DISPLAY_REFRESH_RATE=${FULL_DISPLAY_REFRESH_RATE:-0}
 
+# 调试开关：设为 true 后，主循环仍会按计划拉图和刷新屏幕，
+# 但不会把 Kindle 写入 /sys/power/state 进入系统挂起。
+# 适合通过 KUAL 或普通 start.sh 连续观察效果，调试结束后再改回 false。
+export DISABLE_SYSTEM_SUSPEND=${DISABLE_SYSTEM_SUSPEND:-false}
+
 # When the time until the next wakeup is greater or equal to this number,
 # the dashboard will not be refreshed anymore, but instead show a
 # 'kindle is sleeping' screen. This can be useful if your schedule only runs