refactor: standardize event type naming for resync handling

web/hooks/use-agent-conversation-realtime.ts

@@ -88,7 +88,7 @@ export function useAgentConversationRealtime() {
           }
 
           const store = useAgentConversationsStore.getState()
-          if (eventType === "resync.required") {
+          if (eventType === "resyncRequired") {
             void store.resyncRealtimeData(conversationId).catch((error) => {
               toast.error(error instanceof Error ? error.message : "同步会话数据失败")
             })

web/lib/stores/kefu-chat.ts

@@ -163,7 +163,7 @@ export const useKefuChatStore = create<KefuChatStore>((set, get) => {
         return
       }
       const payload = event.data ?? event.payload
-      if (event.type === "resync.required") {
+      if (event.type === "resyncRequired") {
         void get().refreshMessages()
         return
       }