feat: add LiveRestartNotifyDTO for live stream restart notifications

sample/src/main/java/com/dji/sample/manage/model/dto/LiveRestartNotifyDTO.java

+package com.dji.sample.manage.model.dto;
+
+import com.dji.sdk.cloudapi.device.VideoId;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * 直播重启广播通知载荷。
+ * @author copilot
+ */
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class LiveRestartNotifyDTO {
+
+    @JsonProperty("event_id")
+    private String eventId;
+
+    @JsonProperty("workspace_id")
+    private String workspaceId;
+
+    @JsonProperty("video_id")
+    private VideoId videoId;
+
+    /** begin/success/failed */
+    private String status;
+
+    private String reason;
+
+    @JsonProperty("operator_client_id")
+    private String operatorClientId;
+
+    private String url;
+
+    @JsonProperty("session_id")
+    private String sessionId;
+
+    @JsonProperty("error_code")
+    private Integer errorCode;
+
+    @JsonProperty("error_msg")
+    private String errorMsg;
+
+    @JsonProperty("duration_ms")
+    private Long durationMs;
+}