From 8e62b154030b85b8797669bdc2be378c46cee0e3 Mon Sep 17 00:00:00 2001
From: zetaloop <zetaloop@outlook.com>
Date: Mon, 23 Feb 2026 11:04:16 +0800
Subject: [PATCH] refactor(api): add adapter layer for
 order/chat/review/dispute writes

---
 app/(order)/chat/[id]/page.tsx    | 46 ++++++++---------
 app/(order)/dispute/[id]/page.tsx | 25 ++++-----
 app/(order)/order/[id]/page.tsx   |  7 ---
 app/(order)/review/[id]/page.tsx  |  9 ++--
 components/order-actions.tsx      | 60 ++++++++-------------
 lib/api/chat.ts                   | 42 +++++++++++++++
 lib/api/disputes.ts               | 41 +++++++++++++++
 lib/api/orders.ts                 | 86 +++++++++++++++++++++++++++++++
 lib/api/reviews.ts                | 16 ++++++
 store/chat.ts                     | 24 ++++-----
 10 files changed, 258 insertions(+), 98 deletions(-)

diff --git a/app/(order)/chat/[id]/page.tsx b/app/(order)/chat/[id]/page.tsx
index 3837a06..19f0ef5 100644
--- a/app/(order)/chat/[id]/page.tsx
+++ b/app/(order)/chat/[id]/page.tsx
@@ -9,6 +9,7 @@ import { Badge } from "@/components/ui/badge"
 import { Button } from "@/components/ui/button"
 import { Input } from "@/components/ui/input"
 import { ScrollArea } from "@/components/ui/scroll-area"
+import { sendImageMessage, sendTextMessage } from "@/lib/api/chat"
 import { cn } from "@/lib/utils"
 import { useAuthStore } from "@/store/auth"
 import { useChatStore } from "@/store/chat"
@@ -25,8 +26,6 @@ export default function ChatDetailPage({ params }: { params: Promise<{ id: strin
     () => allMessages.filter((item) => item.sessionId === id),
     [allMessages, id],
   )
-  const sendTextMessage = useChatStore((state) => state.sendTextMessage)
-  const sendImageMessage = useChatStore((state) => state.sendImageMessage)
   const [input, setInput] = useState("")
   const imageInputRef = useRef<HTMLInputElement>(null)
   const { user } = useAuthStore()
@@ -39,8 +38,25 @@ export default function ChatDetailPage({ params }: { params: Promise<{ id: strin
     )
   }
 
-  const userId = user?.id ?? session.participants[0].id
-  const other = session.participants.find((p) => p.id !== userId) ?? session.participants[1]
+  if (!user?.id) {
+    return (
+      <div className="container mx-auto py-8 px-4 text-center text-muted-foreground">
+        请先登录后查看会话
+      </div>
+    )
+  }
+
+  const userId = user.id
+  const isParticipant = session.participants.some((participant) => participant.id === userId)
+  if (!isParticipant) {
+    return (
+      <div className="container mx-auto py-8 px-4 text-center text-muted-foreground">
+        仅会话参与方可查看并发送消息
+      </div>
+    )
+  }
+
+  const other = session.participants.find((p) => p.id !== userId) ?? session.participants[0]
 
   return (
     <div className="flex flex-col h-[calc(100vh-3.5rem)]">
@@ -130,16 +146,7 @@ export default function ChatDetailPage({ params }: { params: Promise<{ id: strin
             onChange={(event) => {
               const file = event.target.files?.[0]
               if (!file) return
-              const sender = session.participants.find((participant) => participant.id === userId)
-              sendImageMessage(
-                session.id,
-                {
-                  id: userId,
-                  name: sender?.name ?? user?.nickname ?? "",
-                  avatar: sender?.avatar ?? user?.avatar ?? "",
-                },
-                URL.createObjectURL(file),
-              )
+              sendImageMessage(session.id, URL.createObjectURL(file))
               event.target.value = ""
             }}
           />
@@ -150,16 +157,7 @@ export default function ChatDetailPage({ params }: { params: Promise<{ id: strin
               const text = input.trim()
               if (!text) return
 
-              const sender = session.participants.find((participant) => participant.id === userId)
-              sendTextMessage(
-                session.id,
-                {
-                  id: userId,
-                  name: sender?.name ?? user?.nickname ?? "",
-                  avatar: sender?.avatar ?? user?.avatar ?? "",
-                },
-                text,
-              )
+              sendTextMessage(session.id, text)
               setInput("")
             }}
           >
diff --git a/app/(order)/dispute/[id]/page.tsx b/app/(order)/dispute/[id]/page.tsx
index 455cf9f..a757d77 100644
--- a/app/(order)/dispute/[id]/page.tsx
+++ b/app/(order)/dispute/[id]/page.tsx
@@ -16,6 +16,7 @@ import {
 import { Badge } from "@/components/ui/badge"
 import { Button } from "@/components/ui/button"
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
+import { submitDispute, submitDisputeAppeal, submitDisputeResponse } from "@/lib/api/disputes"
 import { DISPUTE_TO_RESOLVED_MS } from "@/lib/config/demo-timers"
 import { notifyInfo } from "@/lib/toast"
 import { Label } from "@/components/ui/label"
@@ -38,11 +39,7 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
   const searchParams = useSearchParams()
   const order = useOrderStore((state) => state.orders.find((item) => item.id === id))
   const userId = useAuthStore((state) => state.user?.id)
-  const userName = useAuthStore((state) => state.user?.nickname)
   const existingDispute = useDisputeStore((state) => state.getDisputeByOrderId(id))
-  const submitDispute = useDisputeStore((state) => state.submitDispute)
-  const submitResponse = useDisputeStore((state) => state.submitResponse)
-  const submitAppeal = useDisputeStore((state) => state.submitAppeal)
 
   const [reason, setReason] = useState("")
   const [files, setFiles] = useState<string[]>([])
@@ -108,11 +105,9 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
   }
 
   const handleSubmit = () => {
-    if (!userId || !userName || !reason.trim()) return
+    if (!userId || !reason.trim()) return
     const result = submitDispute({
       orderId: id,
-      initiatorId: userId,
-      initiatorName: userName,
       reason,
       evidence: files,
     })
@@ -287,12 +282,11 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
                   <Button
                     onClick={() => {
                       if (!userId) return
-                      const decision = submitResponse(
-                        existingDispute.id,
-                        userId,
-                        responseReason,
-                        responseFiles,
-                      )
+                      const decision = submitDisputeResponse({
+                        disputeId: existingDispute.id,
+                        reason: responseReason,
+                        evidence: responseFiles,
+                      })
                       if (!decision.ok) {
                         notifyInfo(decision.message ?? "提交回应失败")
                       }
@@ -337,7 +331,10 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
                     variant="outline"
                     onClick={() => {
                       if (!userId) return
-                      const decision = submitAppeal(existingDispute.id, userId, appealReason)
+                      const decision = submitDisputeAppeal({
+                        disputeId: existingDispute.id,
+                        reason: appealReason,
+                      })
                       if (!decision.ok) {
                         notifyInfo(decision.message ?? "提交申诉失败")
                       }
diff --git a/app/(order)/order/[id]/page.tsx b/app/(order)/order/[id]/page.tsx
index ba07590..8fb3dd5 100644
--- a/app/(order)/order/[id]/page.tsx
+++ b/app/(order)/order/[id]/page.tsx
@@ -37,7 +37,6 @@ export default function OrderDetailPage({ params }: { params: Promise<{ id: stri
   const { id } = use(params)
   const order = useOrderStore((state) => state.orders.find((item) => item.id === id))
   const sessions = useChatStore((state) => state.sessions)
-  const ensureOrderSession = useChatStore((state) => state.ensureOrderSession)
   const allReviews = useReviewStore((state) => state.reviews)
   // Filtering is deferred to useMemo after reading the raw store array.
   // Zustand v5 compares selector outputs by reference stability.
@@ -46,12 +45,6 @@ export default function OrderDetailPage({ params }: { params: Promise<{ id: stri
   const reviews = useMemo(() => allReviews.filter((item) => item.orderId === id), [allReviews, id])
   const [nowTs, setNowTs] = useState(0)
 
-  useEffect(() => {
-    if (!order) return
-    if (order.status === "pending_payment" || order.status === "cancelled") return
-    ensureOrderSession(order)
-  }, [order, ensureOrderSession])
-
   useEffect(() => {
     if (!order) return
     if (order.status !== "pending_accept" && order.status !== "pending_close") return
diff --git a/app/(order)/review/[id]/page.tsx b/app/(order)/review/[id]/page.tsx
index f2f53f0..e7a112a 100644
--- a/app/(order)/review/[id]/page.tsx
+++ b/app/(order)/review/[id]/page.tsx
@@ -7,6 +7,7 @@ import { Button } from "@/components/ui/button"
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
 import { Label } from "@/components/ui/label"
 import { Textarea } from "@/components/ui/textarea"
+import { submitReview } from "@/lib/api/reviews"
 import { notifyInfo, notifySuccess } from "@/lib/toast"
 import { useAuthStore } from "@/store/auth"
 import { useOrderStore } from "@/store/orders"
@@ -16,7 +17,6 @@ export default function ReviewPage({ params }: { params: Promise<{ id: string }>
   const { id } = use(params)
   const order = useOrderStore((state) => state.orders.find((item) => item.id === id))
   const userId = useAuthStore((state) => state.user?.id)
-  const submitReview = useReviewStore((state) => state.submitReview)
   const allReviews = useReviewStore((state) => state.reviews)
   // The selector returns the raw store array and useMemo derives the subset.
   // This keeps useSyncExternalStore snapshots stable across render checks.
@@ -138,10 +138,13 @@ export default function ReviewPage({ params }: { params: Promise<{ id: string }>
             className="w-full"
             disabled={rating === 0 || !userId}
             onClick={() => {
-              if (!userId) return
+              if (!userId) {
+                notifyInfo("请先登录")
+                return
+              }
+
               const decision = submitReview({
                 orderId: id,
-                fromUserId: userId,
                 rating,
                 content,
               })
diff --git a/components/order-actions.tsx b/components/order-actions.tsx
index 63e9488..e3506ba 100644
--- a/components/order-actions.tsx
+++ b/components/order-actions.tsx
@@ -12,6 +12,14 @@ import {
 import Link from "next/link"
 import { useCallback, useEffect } from "react"
 import { Button } from "@/components/ui/button"
+import {
+  acceptOrder,
+  acceptOrderAsActor,
+  cancelPreAccept,
+  confirmClose,
+  payOrder,
+  requestClose,
+} from "@/lib/api/orders"
 import type { Actor } from "@/lib/policy/actor"
 import { notifyInfo, notifySuccess } from "@/lib/toast"
 import type { OrderStatus } from "@/lib/types"
@@ -37,21 +45,9 @@ export default function OrderActions({
   chatSessionId,
   serviceId,
 }: OrderActionsProps) {
-  const currentRole = useAuthStore((state) => state.currentRole)
   const currentUserId = useAuthStore((state) => state.user?.id)
-  const payOrder = useOrderStore((state) => state.payOrder)
-  const acceptOrder = useOrderStore((state) => state.acceptOrder)
-  const requestClose = useOrderStore((state) => state.requestClose)
-  const confirmClose = useOrderStore((state) => state.confirmClose)
-  const cancelPreAccept = useOrderStore((state) => state.cancelPreAccept)
   const order = useOrderStore((state) => state.orders.find((item) => item.id === orderId))
   const sessions = useChatStore((state) => state.sessions)
-  const ensureOrderSession = useChatStore((state) => state.ensureOrderSession)
-  const actorShopId = useShopStore((state) => {
-    if (!currentUserId || currentRole !== "owner") return undefined
-    const owned = state.shops.find((shop) => shop.owner.id === currentUserId)
-    return owned?.id
-  })
   const dispatchMode = useShopStore((state) => {
     if (!order?.shopId) return "manual"
     const shop = state.shops.find((item) => item.id === order.shopId)
@@ -62,13 +58,6 @@ export default function OrderActions({
     sessions.find((session) => session.type === "order" && session.orderId === orderId)?.id
 
   const status = order?.status ?? initialStatus
-  const actor: Actor | undefined = currentUserId
-    ? {
-        userId: currentUserId,
-        role: currentRole,
-        shopId: actorShopId,
-      }
-    : undefined
 
   const handleDecision = useCallback(
     (okMessage: string, result: { decision: { ok: boolean; message?: string } }) => {
@@ -82,11 +71,6 @@ export default function OrderActions({
     [],
   )
 
-  useEffect(() => {
-    if (chatSessionId || !order || resolvedChatSessionId) return
-    ensureOrderSession(order)
-  }, [chatSessionId, order, ensureOrderSession, resolvedChatSessionId])
-
   useEffect(() => {
     if (!order) return
     if (order.status !== "pending_accept") return
@@ -99,12 +83,12 @@ export default function OrderActions({
         role: "player",
         shopId: order.shopId,
       }
-      const result = acceptOrder(orderId, systemActor)
+      const result = acceptOrderAsActor(orderId, systemActor)
       handleDecision("系统已自动派单", result)
     }, 3000)
 
     return () => clearTimeout(timer)
-  }, [acceptOrder, dispatchMode, handleDecision, order, orderId])
+  }, [dispatchMode, handleDecision, order, orderId])
 
   return (
     <div className="flex gap-2 flex-wrap">
@@ -113,12 +97,12 @@ export default function OrderActions({
           <Button
             variant="outline"
             onClick={() => {
-              if (!actor) {
+              if (!currentUserId) {
                 notifyInfo("请先登录")
                 return
               }
 
-              const result = cancelPreAccept(orderId, actor)
+              const result = cancelPreAccept(orderId)
               handleDecision("订单已取消", result)
             }}
           >
@@ -127,12 +111,12 @@ export default function OrderActions({
           </Button>
           <Button
             onClick={() => {
-              if (!actor) {
+              if (!currentUserId) {
                 notifyInfo("请先登录")
                 return
               }
 
-              const result = payOrder(orderId, actor)
+              const result = payOrder(orderId)
               handleDecision("订单支付成功", result)
             }}
           >
@@ -147,12 +131,12 @@ export default function OrderActions({
           <Button
             variant="outline"
             onClick={() => {
-              if (!actor) {
+              if (!currentUserId) {
                 notifyInfo("请先登录")
                 return
               }
 
-              const result = cancelPreAccept(orderId, actor)
+              const result = cancelPreAccept(orderId)
               handleDecision("订单已取消", result)
             }}
           >
@@ -167,12 +151,12 @@ export default function OrderActions({
           ) : (
             <Button
               onClick={() => {
-                if (!actor) {
+                if (!currentUserId) {
                   notifyInfo("请先登录")
                   return
                 }
 
-                const result = acceptOrder(orderId, actor)
+                const result = acceptOrder(orderId)
                 handleDecision("已接单", result)
               }}
             >
@@ -196,12 +180,12 @@ export default function OrderActions({
         <>
           <Button
             onClick={() => {
-              if (!actor) {
+              if (!currentUserId) {
                 notifyInfo("请先登录")
                 return
               }
 
-              const result = requestClose(orderId, actor)
+              const result = requestClose(orderId)
               handleDecision("已发起结单", result)
             }}
           >
@@ -220,12 +204,12 @@ export default function OrderActions({
         <>
           <Button
             onClick={() => {
-              if (!actor) {
+              if (!currentUserId) {
                 notifyInfo("请先登录")
                 return
               }
 
-              const result = confirmClose(orderId, actor)
+              const result = confirmClose(orderId)
               handleDecision("已确认结单", result)
             }}
           >
diff --git a/lib/api/chat.ts b/lib/api/chat.ts
index b66831a..9e5f190 100644
--- a/lib/api/chat.ts
+++ b/lib/api/chat.ts
@@ -1,4 +1,6 @@
+import { allow, deny } from "@/lib/policy/assert"
 import { useChatStore } from "@/store/chat"
+import { useAuthStore } from "@/store/auth"
 
 export function listChatSessions() {
   return useChatStore.getState().sessions
@@ -11,3 +13,43 @@ export function getChatSessionById(sessionId: string) {
 export function listChatMessages(sessionId: string) {
   return useChatStore.getState().messages.filter((message) => message.sessionId === sessionId)
 }
+
+export function sendTextMessage(sessionId: string, content: string) {
+  const userId = useAuthStore.getState().user?.id
+  if (!userId) return deny("AUTH_REQUIRED", "请先登录")
+
+  const chatState = useChatStore.getState()
+  const session = chatState.sessions.find((item) => item.id === sessionId)
+  if (!session) return deny("NOT_FOUND", "会话不存在")
+  if (session.readonly) return deny("INVALID_STATUS", "当前会话只读")
+  if (!session.participants.some((participant) => participant.id === userId)) {
+    return deny("NOT_PARTICIPANT", "仅会话参与方可发送消息")
+  }
+
+  if (!content.trim()) {
+    return deny("VALIDATION_FAILED", "消息不能为空")
+  }
+
+  chatState.sendTextMessage(sessionId, userId, content)
+  return allow()
+}
+
+export function sendImageMessage(sessionId: string, imageUrl: string) {
+  const userId = useAuthStore.getState().user?.id
+  if (!userId) return deny("AUTH_REQUIRED", "请先登录")
+
+  const chatState = useChatStore.getState()
+  const session = chatState.sessions.find((item) => item.id === sessionId)
+  if (!session) return deny("NOT_FOUND", "会话不存在")
+  if (session.readonly) return deny("INVALID_STATUS", "当前会话只读")
+  if (!session.participants.some((participant) => participant.id === userId)) {
+    return deny("NOT_PARTICIPANT", "仅会话参与方可发送消息")
+  }
+
+  if (!imageUrl.trim()) {
+    return deny("VALIDATION_FAILED", "图片地址无效")
+  }
+
+  chatState.sendImageMessage(sessionId, userId, imageUrl)
+  return allow()
+}
diff --git a/lib/api/disputes.ts b/lib/api/disputes.ts
index 830e90c..5e534c1 100644
--- a/lib/api/disputes.ts
+++ b/lib/api/disputes.ts
@@ -1,3 +1,5 @@
+import { deny } from "@/lib/policy/assert"
+import { useAuthStore } from "@/store/auth"
 import { useDisputeStore } from "@/store/disputes"
 
 export function listDisputes() {
@@ -7,3 +9,42 @@ export function listDisputes() {
 export function getDisputeByOrderId(orderId: string) {
   return useDisputeStore.getState().disputes.find((dispute) => dispute.orderId === orderId)
 }
+
+export function submitDispute(input: { orderId: string; reason: string; evidence: string[] }) {
+  const user = useAuthStore.getState().user
+  if (!user?.id || !user.nickname) {
+    return { decision: deny("AUTH_REQUIRED", "请先登录") }
+  }
+
+  return useDisputeStore.getState().submitDispute({
+    orderId: input.orderId,
+    initiatorId: user.id,
+    initiatorName: user.nickname,
+    reason: input.reason,
+    evidence: input.evidence,
+  })
+}
+
+export function submitDisputeResponse(input: {
+  disputeId: string
+  reason: string
+  evidence: string[]
+}) {
+  const userId = useAuthStore.getState().user?.id
+  if (!userId) {
+    return deny("AUTH_REQUIRED", "请先登录")
+  }
+
+  return useDisputeStore
+    .getState()
+    .submitResponse(input.disputeId, userId, input.reason, input.evidence)
+}
+
+export function submitDisputeAppeal(input: { disputeId: string; reason: string }) {
+  const userId = useAuthStore.getState().user?.id
+  if (!userId) {
+    return deny("AUTH_REQUIRED", "请先登录")
+  }
+
+  return useDisputeStore.getState().submitAppeal(input.disputeId, userId, input.reason)
+}
diff --git a/lib/api/orders.ts b/lib/api/orders.ts
index ba84edf..acd2fee 100644
--- a/lib/api/orders.ts
+++ b/lib/api/orders.ts
@@ -1,4 +1,11 @@
+import { resolveOwnerShop } from "@/lib/domain/resolve-current-shop"
+import { allow, deny } from "@/lib/policy/assert"
+import type { Actor } from "@/lib/policy/actor"
+import type { PolicyDecision } from "@/lib/policy/decision"
+import type { PlayerService } from "@/lib/types"
+import { useAuthStore } from "@/store/auth"
 import { useOrderStore } from "@/store/orders"
+import { useShopStore } from "@/store/shops"
 
 export function listOrders() {
   return useOrderStore.getState().orders
@@ -11,3 +18,82 @@ export function getOrderById(orderId: string) {
 export function listOrdersByConsumer(consumerId: string) {
   return useOrderStore.getState().orders.filter((order) => order.consumerId === consumerId)
 }
+
+interface CreatePaidOrderInput {
+  consumerId: string
+  consumerName: string
+  playerId: string
+  playerName: string
+  shopId?: string
+  shopName?: string
+  service: PlayerService
+  totalPrice: number
+  note?: string
+}
+
+function resolveActorContext(): { actor?: Actor; decision: PolicyDecision } {
+  const auth = useAuthStore.getState()
+  if (!auth.user?.id) {
+    return { decision: deny("AUTH_REQUIRED", "请先登录") }
+  }
+
+  const shopId =
+    auth.currentRole === "owner"
+      ? resolveOwnerShop(auth.user.id, useShopStore.getState().shops)?.id
+      : undefined
+
+  return {
+    actor: {
+      userId: auth.user.id,
+      role: auth.currentRole,
+      shopId,
+    },
+    decision: allow(),
+  }
+}
+
+export function createPaidOrder(input: CreatePaidOrderInput) {
+  const { actor, decision } = resolveActorContext()
+  if (!actor) return { decision }
+  return useOrderStore.getState().createPaidOrder(input, actor)
+}
+
+export function payOrder(orderId: string) {
+  const { actor, decision } = resolveActorContext()
+  if (!actor) return { decision }
+  return useOrderStore.getState().payOrder(orderId, actor)
+}
+
+export function acceptOrder(orderId: string) {
+  const { actor, decision } = resolveActorContext()
+  if (!actor) return { decision }
+  return useOrderStore.getState().acceptOrder(orderId, actor)
+}
+
+export function acceptOrderAsActor(orderId: string, actor: Actor) {
+  return useOrderStore.getState().acceptOrder(orderId, actor)
+}
+
+export function requestClose(orderId: string) {
+  const { actor, decision } = resolveActorContext()
+  if (!actor) return { decision }
+  return useOrderStore.getState().requestClose(orderId, actor)
+}
+
+export function confirmClose(orderId: string) {
+  const { actor, decision } = resolveActorContext()
+  if (!actor) return { decision }
+  return useOrderStore.getState().confirmClose(orderId, actor)
+}
+
+export function cancelPreAccept(orderId: string) {
+  const { actor, decision } = resolveActorContext()
+  if (!actor) return { decision }
+  return useOrderStore.getState().cancelPreAccept(orderId, actor)
+}
+
+export function markDisputed(orderId: string) {
+  const { actor, decision } = resolveActorContext()
+  if (!actor) return { decision }
+  return useOrderStore.getState().markDisputed(orderId, actor)
+}
diff --git a/lib/api/reviews.ts b/lib/api/reviews.ts
index 1716ffe..1a7a18e 100644
--- a/lib/api/reviews.ts
+++ b/lib/api/reviews.ts
@@ -1,3 +1,5 @@
+import { deny } from "@/lib/policy/assert"
+import { useAuthStore } from "@/store/auth"
 import { useReviewStore } from "@/store/reviews"
 
 export function listReviews() {
@@ -11,3 +13,17 @@ export function listReviewsByOrder(orderId: string) {
 export function listReviewsByTargetUser(userId: string) {
   return useReviewStore.getState().reviews.filter((review) => review.toUserId === userId)
 }
+
+export function submitReview(input: { orderId: string; rating: number; content?: string }) {
+  const userId = useAuthStore.getState().user?.id
+  if (!userId) {
+    return deny("AUTH_REQUIRED", "请先登录")
+  }
+
+  return useReviewStore.getState().submitReview({
+    orderId: input.orderId,
+    fromUserId: userId,
+    rating: input.rating,
+    content: input.content,
+  })
+}
diff --git a/store/chat.ts b/store/chat.ts
index 22e3f14..e4f1aed 100644
--- a/store/chat.ts
+++ b/store/chat.ts
@@ -3,18 +3,12 @@ import { generateId } from "@/lib/id"
 import { mockChatMessages, mockChatSessions, mockUsers } from "@/lib/mock"
 import type { ChatMessage, ChatSession, Order } from "@/lib/types"
 
-interface Sender {
-  id: string
-  name: string
-  avatar: string
-}
-
 interface ChatState {
   sessions: ChatSession[]
   messages: ChatMessage[]
   ensureOrderSession: (order: Order) => ChatSession
-  sendTextMessage: (sessionId: string, sender: Sender, content: string) => void
-  sendImageMessage: (sessionId: string, sender: Sender, imageUrl: string) => void
+  sendTextMessage: (sessionId: string, actorId: string, content: string) => void
+  sendImageMessage: (sessionId: string, actorId: string, imageUrl: string) => void
 }
 
 function resolveAvatar(userId: string) {
@@ -72,17 +66,20 @@ export const useChatStore = create<ChatState>((set, get) => ({
 
     return session
   },
-  sendTextMessage: (sessionId, sender, content) => {
+  sendTextMessage: (sessionId, actorId, content) => {
     const text = content.trim()
     if (!text) return
     const session = get().sessions.find((item) => item.id === sessionId)
     if (!session || session.readonly) return
 
+    const sender = session.participants.find((participant) => participant.id === actorId)
+    if (!sender) return
+
     const now = new Date().toISOString()
     const message: ChatMessage = {
       id: generateId("msg"),
       sessionId,
-      senderId: sender.id,
+      senderId: actorId,
       senderName: sender.name,
       senderAvatar: sender.avatar,
       type: "text",
@@ -103,17 +100,20 @@ export const useChatStore = create<ChatState>((set, get) => ({
       ),
     }))
   },
-  sendImageMessage: (sessionId, sender, imageUrl) => {
+  sendImageMessage: (sessionId, actorId, imageUrl) => {
     const content = imageUrl.trim()
     if (!content) return
     const session = get().sessions.find((item) => item.id === sessionId)
     if (!session || session.readonly) return
 
+    const sender = session.participants.find((participant) => participant.id === actorId)
+    if (!sender) return
+
     const now = new Date().toISOString()
     const message: ChatMessage = {
       id: generateId("msg"),
       sessionId,
-      senderId: sender.id,
+      senderId: actorId,
       senderName: sender.name,
       senderAvatar: sender.avatar,
       type: "image",