feat: add live session debounce prefixes and time windows for improved stream stability

sample/src/main/java/com/dji/sample/component/redis/RedisConst.java

@@ -75,6 +75,18 @@ public final class RedisConst {
     /** 直播观看者心跳 TTL（秒），心跳间隔建议为 10s，TTL 设为 30s */
     public static final Integer LIVE_SESSION_TTL_SECOND = 30;
 
+    /** 直播重启防抖前缀，完整 key = live_restart_debounce:{videoIdStr} */
+    public static final String LIVE_RESTART_DEBOUNCE_PREFIX = "live_restart_debounce" + DELIMITER;
+
+    /** 直播重启防抖窗口（秒） */
+    public static final Integer LIVE_RESTART_DEBOUNCE_SECOND = 10;
+
+    /** 直播刷新防抖前缀，完整 key = live_refresh_debounce:{videoIdStr} */
+    public static final String LIVE_REFRESH_DEBOUNCE_PREFIX = "live_refresh_debounce" + DELIMITER;
+
+    /** 直播刷新防抖窗口（秒） */
+    public static final Integer LIVE_REFRESH_DEBOUNCE_SECOND = 5;
+
     public static final String DEVICE_DETAIL_PREFIX = "device_detail" + DELIMITER;
     /**
      *  飞行总架次 total_flight_sorties