feat(notifications): add notification system and wire order/dispute events

store/disputes.ts

@@ -6,6 +6,8 @@ import type { Actor } from "@/lib/policy/actor"
 import type { PolicyDecision } from "@/lib/policy/decision"
 import { mockDisputes } from "@/lib/mock"
 import type { Dispute } from "@/lib/types"
+import { useAuthStore } from "@/store/auth"
+import { useNotificationStore } from "@/store/notifications"
 import { useOrderStore } from "@/store/orders"
 
 type DisputeTimelineType = "created" | "response" | "reviewing" | "resolved" | "appealed"
@@ -120,6 +122,19 @@ function asRecord(dispute: Dispute): DisputeRecord {
   }
 }
 
+function notifyDispute(orderId: string, title: string, content: string) {
+  if (!useAuthStore.getState().notificationPrefs.order) {
+    return
+  }
+
+  useNotificationStore.getState().addNotification({
+    type: "order",
+    title,
+    content,
+    link: `/dispute/${orderId}`,
+  })
+}
+
 export const useDisputeStore = create<DisputeState>((set, get) => {
   const scheduleProgress = (disputeId: string) => {
     clearProgressTimers(disputeId)
@@ -148,11 +163,14 @@ export const useDisputeStore = create<DisputeState>((set, get) => {
     }, DISPUTE_TO_REVIEWING_MS)
 
     const toResolved = setTimeout(() => {
+      let resolvedOrderId: string | null = null
       set((state) => ({
         disputes: state.disputes.map((dispute) => {
           if (dispute.id !== disputeId) return dispute
           if (dispute.status !== "reviewing" && dispute.status !== "appealed") return dispute
 
+          resolvedOrderId = dispute.orderId
+
           return {
             ...dispute,
             status: "resolved",
@@ -169,6 +187,11 @@ export const useDisputeStore = create<DisputeState>((set, get) => {
           }
         }),
       }))
+
+      if (resolvedOrderId) {
+        notifyDispute(resolvedOrderId, "争议已处理", "平台已给出争议处理结果")
+      }
+
       clearProgressTimers(disputeId)
     }, DISPUTE_TO_RESOLVED_MS)
 
@@ -275,6 +298,8 @@ export const useDisputeStore = create<DisputeState>((set, get) => {
         }),
       }))
 
+      notifyDispute(dispute.orderId, "争议收到回应", "对方已提交争议回应材料")
+
       return allow()
     },
     submitAppeal: (disputeId, actorId, reason) => {
@@ -322,6 +347,8 @@ export const useDisputeStore = create<DisputeState>((set, get) => {
         }),
       }))
 
+      notifyDispute(dispute.orderId, "争议已申诉", "申诉已提交，平台将继续复核")
+
       scheduleProgress(disputeId)
       return allow()
     },