feat(client): track digital sync retry history

qimingclaw/crates/agent-electron-client/embedded/sgrobot-digital/src/pages/digital/CommandDeck.tsx

@@ -64,6 +64,15 @@ interface ManagementSyncStatus {
   recentFailures?: ManagementSyncFailure[];
 }
 
+interface ManagementSyncAttempt {
+  attemptNo: number;
+  status: string;
+  error: string | null;
+  endpoint?: string | null;
+  startedAt: string;
+  finishedAt: string;
+}
+
 interface ManagementSyncFailure {
   id: string;
   entityType: string;
@@ -74,6 +83,7 @@ interface ManagementSyncFailure {
   nextRetryAt?: string | null;
   dueForRetry?: boolean;
   managementRecordUrl?: string | null;
+  attemptHistory?: ManagementSyncAttempt[];
   error: string | null;
   createdAt: string;
   updatedAt: string;
@@ -495,6 +505,18 @@ function syncFailureRetryTime(failure: ManagementSyncFailure): string {
   return formatBeijingDateTime(failure.nextRetryAt) || '待计算';
 }
 
+function syncAttemptStatusLabel(status: string): string {
+  if (status === 'synced') return '已同步';
+  if (status === 'failed') return '失败';
+  return status || '未知';
+}
+
+function syncAttemptTone(status: string): 'success' | 'danger' | 'info' {
+  if (status === 'synced') return 'success';
+  if (status === 'failed') return 'danger';
+  return 'info';
+}
+
 async function readManagementSyncStatus(): Promise<ManagementSyncStatus | null> {
   const bridge = window.QimingClawBridge?.digital;
   if (!bridge?.getSyncStatus) return null;
@@ -1837,6 +1859,31 @@ export default function CommandDeck({ onNavigate }: { onNavigate: (target: Digit
               <span>失败原因</span>
               <p>{selectedSyncFailure.error || '暂无错误详情。'}</p>
             </div>
+            {(selectedSyncFailure.attemptHistory?.length ?? 0) > 0 && (
+              <div className="de-sync-attempt-history">
+                <span>重试历史</span>
+                <div className="de-sync-attempt-list">
+                  {selectedSyncFailure.attemptHistory?.map((attempt) => (
+                    <div
+                      key={`${attempt.attemptNo}-${attempt.finishedAt}`}
+                      className={`de-sync-attempt-row de-sync-attempt-row--${syncAttemptTone(
+                        attempt.status,
+                      )}`}
+                    >
+                      <div>
+                        <strong>第 {attempt.attemptNo} 次</strong>
+                        <em>{syncAttemptStatusLabel(attempt.status)}</em>
+                        <span>
+                          {formatBeijingDateTime(attempt.finishedAt) ||
+                            attempt.finishedAt}
+                        </span>
+                      </div>
+                      {attempt.error && <small>{attempt.error}</small>}
+                    </div>
+                  ))}
+                </div>
+              </div>
+            )}
             <div className="de-event-modal-actions">
               <button
                 type="button"