refactor(order): rewrite store around state machine transitions

app/(order)/order/new/page.tsx

@@ -12,10 +12,10 @@ import { Label } from "@/components/ui/label"
 import { Separator } from "@/components/ui/separator"
 import { Textarea } from "@/components/ui/textarea"
 import { getPlayerById, getServiceById } from "@/lib/api"
+import type { Actor } from "@/lib/policy/actor"
 import { notifySuccess } from "@/lib/toast"
 import { useRequireAuth } from "@/lib/use-require-auth"
 import { useAuthStore } from "@/store/auth"
-import { useChatStore } from "@/store/chat"
 import { useOrderStore } from "@/store/orders"
 import { useWalletStore } from "@/store/wallet"
 
@@ -23,10 +23,8 @@ export default function NewOrderPage() {
   const router = useRouter()
   const searchParams = useSearchParams()
   const { requireAuth } = useRequireAuth()
-  const createOrder = useOrderStore((state) => state.createOrder)
-  const ensureOrderSession = useChatStore((state) => state.ensureOrderSession)
+  const createPaidOrder = useOrderStore((state) => state.createPaidOrder)
   const balance = useWalletStore((state) => state.balance)
-  const deductBalance = useWalletStore((state) => state.deductBalance)
   const serviceId = searchParams.get("serviceId")
 
   const service = serviceId ? getServiceById(serviceId) : undefined
@@ -186,34 +184,38 @@ export default function NewOrderPage() {
           size="lg"
           disabled={balance < totalPrice}
           onClick={() =>
-            requireAuth(async () => {
-              await new Promise((resolve) => setTimeout(resolve, 500))
+            requireAuth(() => {
               const authUser = useAuthStore.getState().user
               if (!authUser) return
 
-              const order = createOrder({
-                consumerId: authUser.id,
-                consumerName: authUser.nickname,
-                playerId: player.id,
-                playerName: player.user.nickname,
-                shopId: player.shopId,
-                shopName: player.shopName,
-                service,
-                totalPrice,
-                note,
-                status: "pending_accept",
-              })
-
-              const paid = deductBalance(order.id, totalPrice)
-              if (!paid) {
-                return
+              const actor: Actor = {
+                userId: authUser.id,
+                role: "consumer",
               }
 
-              ensureOrderSession(order)
+              const result = createPaidOrder(
+                {
+                  consumerId: authUser.id,
+                  consumerName: authUser.nickname,
+                  playerId: player.id,
+                  playerName: player.user.nickname,
+                  shopId: player.shopId,
+                  shopName: player.shopName,
+                  service,
+                  totalPrice,
+                  note,
+                },
+                actor,
+              )
+              if (!result.decision.ok || !result.order) {
+                return
+              }
+              const nextOrder = result.order
+
               setSubmitted(true)
               notifySuccess("下单成功")
               setTimeout(() => {
-                router.push(`/order/${order.id}`)
+                router.push(`/order/${nextOrder.id}`)
               }, 800)
             })
           }