refactor(api): add adapter layer for order/chat/review/dispute writes

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",