feat:抢单大厅数据排列优化

apps/frontend/src/hooks/useRealtimeEvents.ts

@@ -21,6 +21,13 @@ type UseRealtimeEventsOptions = {
   token: string
   onEvent: (event: RealtimeEvent) => void
   onConnected?: () => void
+  /**
+   * 服务端告知「补发窗口溢出，历史事件已不连续」。
+   *
+   * 此时不能再依赖逐条快照补丁（会把列表写回旧值），调用方应整体失效对应查询，
+   * 让列表接口重新给出权威数据。
+   */
+  onResync?: (info: { headEventId: number; reason: string }) => void
   /** 鉴权失效（401/403）时触发：连接停止重连，调用方应清理会话并跳转登录页。 */
   onAuthExpired?: () => void
 }
@@ -33,13 +40,16 @@ export function useRealtimeEvents({
   token,
   onEvent,
   onConnected,
+  onResync,
   onAuthExpired,
 }: UseRealtimeEventsOptions) {
   const onEventRef = useRef(onEvent)
   const onConnectedRef = useRef(onConnected)
+  const onResyncRef = useRef(onResync)
   const onAuthExpiredRef = useRef(onAuthExpired)
   onEventRef.current = onEvent
   onConnectedRef.current = onConnected
+  onResyncRef.current = onResync
   onAuthExpiredRef.current = onAuthExpired
 
   useEffect(() => {
@@ -79,6 +89,15 @@ export function useRealtimeEvents({
           }
           onConnectedRef.current?.()
           await readSseStream(response.body, (eventName, data) => {
+            // 补发窗口溢出：历史事件不连续，不能逐条复位快照，交给调用方整体重拉。
+            if (eventName === 'resync') {
+              const notice = normalizeResyncNotice(data)
+              if (notice) {
+                lastEventId = Math.max(lastEventId, notice.headEventId)
+                onResyncRef.current?.(notice)
+              }
+              return
+            }
             if (eventName !== 'realtime') return
             const event = normalizeRealtimeEvent(data)
             if (event) {
@@ -197,3 +216,16 @@ function normalizeRealtimeEvent(value: string): RealtimeEvent | null {
     return null
   }
 }
+
+/** 服务端 resync 通知：补发窗口溢出，客户端应把游标推进到 headEventId 并整体重拉。 */
+function normalizeResyncNotice(value: string): { headEventId: number; reason: string } | null {
+  try {
+    const parsed = JSON.parse(value) as { headEventId?: unknown; reason?: unknown }
+    return {
+      headEventId: Math.max(0, Number(parsed.headEventId) || 0),
+      reason: String(parsed.reason || ''),
+    }
+  } catch {
+    return null
+  }
+}