refactor: remove demo timers and client-side timeout simulation

Remove lib/config/demo-timers.ts and all usages across stores
and pages. Order timeout scheduling, dispute auto-progression,
and hardcoded countdown displays are removed — timeouts are
now handled server-side by the backend.

app/(order)/dispute/[id]/page.tsx

@@ -7,14 +7,13 @@ import { Label } from "@/components/ui/label"
 import { Separator } from "@/components/ui/separator"
 import { StatusBadge, type StatusBadgeProps } from "@/components/ui/status-badge"
 import { Textarea } from "@/components/ui/textarea"
-import { getOrderById } from "@/lib/api"
+import { getOrderById, getPlayerById, uploadFile } from "@/lib/api"
 import {
   getDisputeByOrderId,
   submitDispute,
   submitDisputeAppeal,
   submitDisputeResponse,
 } from "@/lib/api/disputes"
-import { DISPUTE_TO_RESOLVED_MS } from "@/lib/config/demo-timers"
 import { notifyInfo } from "@/lib/toast"
 import { useAuthStore } from "@/store/auth"
 import { AlertTriangle, ArrowLeft, Clock, FileText, Upload, X } from "lucide-react"
@@ -81,12 +80,14 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
   const [existingDispute, setExistingDispute] = useState<Awaited<
     ReturnType<typeof getDisputeByOrderId>
   > | null>(null)
+  const [playerUserId, setPlayerUserId] = useState<string | null>(null)
 
   const [reason, setReason] = useState("")
   const [files, setFiles] = useState<string[]>([])
   const [responseReason, setResponseReason] = useState("")
   const [responseFiles, setResponseFiles] = useState<string[]>([])
   const [appealReason, setAppealReason] = useState("")
+  const [uploading, setUploading] = useState(false)
 
   const fileInputRef = useRef<HTMLInputElement>(null)
   const responseFileInputRef = useRef<HTMLInputElement>(null)
@@ -100,6 +101,7 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
       setLoading(true)
       setOrder(null)
       setExistingDispute(null)
+      setPlayerUserId(null)
     }
 
     const load = async () => {
@@ -113,6 +115,13 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
       if (cancelled) return
       setOrder(nextOrder ?? null)
       setExistingDispute(nextDispute ?? null)
+
+      if (nextOrder) {
+        const player = await getPlayerById(String(nextOrder.playerId))
+        if (cancelled) return
+        setPlayerUserId(player?.user.id ?? null)
+      }
+
       setLoading(false)
     }
 
@@ -133,34 +142,36 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
 
   useEffect(
     () => () => {
-      filesRef.current.forEach((url) => {
-        URL.revokeObjectURL(url)
-      })
-      responseFilesRef.current.forEach((url) => {
-        URL.revokeObjectURL(url)
-      })
+      filesRef.current = []
+      responseFilesRef.current = []
     },
     [],
   )
 
-  const handleFileSelect = (
+  const handleFileSelect = async (
     event: ChangeEvent<HTMLInputElement>,
     setter: Dispatch<SetStateAction<string[]>>,
+    currentFiles: string[],
   ) => {
     const selectedFiles = event.target.files
     if (!selectedFiles?.length) return
 
-    setter((prev) => {
-      const remaining = 5 - prev.length
-      if (remaining <= 0) return prev
-
-      const nextUrls = Array.from(selectedFiles)
-        .slice(0, remaining)
-        .map((file) => URL.createObjectURL(file))
-      return [...prev, ...nextUrls]
-    })
-
-    event.target.value = ""
+    setUploading(true)
+    try {
+      const remaining = 5 - currentFiles.length
+      if (remaining <= 0) return
+      const nextUrls = await Promise.all(
+        Array.from(selectedFiles)
+          .slice(0, remaining)
+          .map((file) => uploadFile(file, "dispute")),
+      )
+      setter((prev) => [...prev, ...nextUrls])
+    } catch {
+      notifyInfo("证据上传失败")
+    } finally {
+      setUploading(false)
+      event.target.value = ""
+    }
   }
 
   const removeFile = (
@@ -168,13 +179,14 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
     filesState: string[],
     setter: Dispatch<SetStateAction<string[]>>,
   ) => {
-    const removed = filesState[index]
-    if (removed) {
-      URL.revokeObjectURL(removed)
-    }
     setter((prev) => prev.filter((_, currentIndex) => currentIndex !== index))
   }
 
+  const reloadDispute = async () => {
+    const nextDispute = await getDisputeByOrderId(id)
+    setExistingDispute(nextDispute ?? null)
+  }
+
   const handleSubmit = () => {
     if (!userId || !reason.trim()) return
 
@@ -212,7 +224,7 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
   }
 
   const isParticipant = Boolean(
-    userId && (order.consumerId === userId || order.playerId === userId),
+    userId && (String(order.consumerId) === userId || playerUserId === userId),
   )
   if (!isParticipant) {
     return (
@@ -337,12 +349,15 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
                     accept="image/*"
                     multiple
                     className="hidden"
-                    onChange={(event) => handleFileSelect(event, setResponseFiles)}
+                    onChange={(event) => {
+                      void handleFileSelect(event, setResponseFiles, responseFiles)
+                    }}
                   />
                   <Button
                     variant="outline"
                     className="border-border/60"
                     onClick={() => responseFileInputRef.current?.click()}
+                    disabled={uploading}
                   >
                     <Upload className="mr-1 h-4 w-4" />
                     上传回应证据
@@ -385,7 +400,11 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
                       ).then((decision) => {
                         if (!decision.ok) {
                           notifyInfo(decision.error.msg)
+                          return
                         }
+                        setResponseReason("")
+                        setResponseFiles([])
+                        return reloadDispute()
                       })
                     }}
                     disabled={!responseReason.trim()}
@@ -437,7 +456,10 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
                       ).then((decision) => {
                         if (!decision.ok) {
                           notifyInfo(decision.error.msg)
+                          return
                         }
+                        setAppealReason("")
+                        return reloadDispute()
                       })
                     }}
                     disabled={!appealReason.trim()}
@@ -477,7 +499,7 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
       <div className="container mx-auto max-w-2xl px-4 py-8">
         <EmptyState
           title="争议已提交，请等待平台处理"
-          description={`平台将在约 ${Math.floor(DISPUTE_TO_RESOLVED_MS / 1000)} 秒内给出模拟处理结果。`}
+          description="争议已提交，请等待平台处理"
           icon={AlertTriangle}
           action={
             <Button variant="outline" className="border-border/60" asChild>
@@ -527,13 +549,15 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
               accept="image/*"
               multiple
               className="hidden"
-              onChange={(event) => handleFileSelect(event, setFiles)}
+              onChange={(event) => {
+                void handleFileSelect(event, setFiles, files)
+              }}
             />
             <button
               type="button"
               className="w-full rounded-md border-2 border-dashed border-border/60 bg-muted/20 p-6 text-center text-sm text-muted-foreground transition-colors hover:border-primary/60 hover:bg-muted/30 hover:text-foreground disabled:opacity-50"
               onClick={() => fileInputRef.current?.click()}
-              disabled={files.length >= 5}
+              disabled={files.length >= 5 || uploading}
             >
               <div className="flex flex-col items-center gap-2">
                 <Upload className="h-5 w-5" />
@@ -566,13 +590,15 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
                 ))}
               </div>
             )}
-            <div className="text-xs text-muted-foreground">最多5张</div>
+            <div className="text-xs text-muted-foreground">
+              {uploading ? "证据上传中..." : "最多5张"}
+            </div>
           </div>
 
           <div className="space-y-1 rounded-lg border border-border/60 bg-muted/20 p-3 text-xs text-muted-foreground">
             <p>· 提交争议后，订单资金将继续托管</p>
             <p>· 聊天记录将作为证据保留</p>
-            <p>· 平台将在约 {Math.floor(DISPUTE_TO_RESOLVED_MS / 1000)} 秒内完成模拟审核</p>
+            <p>· 平台审核完成后将给出仲裁结果</p>
             <p>· 对仲裁结果不满可申诉一次</p>
           </div>
 

app/(order)/order/[id]/page.tsx

@@ -6,7 +6,6 @@ import { EmptyState } from "@/components/ui/empty-state"
 import { Separator } from "@/components/ui/separator"
 import { StatusBadge } from "@/components/ui/status-badge"
 import { getOrderById, listChatSessions, listReviewsByOrder } from "@/lib/api"
-import { ORDER_ACCEPT_TIMEOUT_MS, ORDER_CLOSE_TIMEOUT_MS } from "@/lib/config/demo-timers"
 import { statusLabels } from "@/lib/constants"
 import type { OrderStatus } from "@/lib/types"
 import { ArrowLeft, CheckCircle, Clock, Star } from "lucide-react"
@@ -53,7 +52,6 @@ export default function OrderDetailPage({ params }: { params: Promise<{ id: stri
     undefined,
   )
   const [loading, setLoading] = useState(true)
-  const [nowTs, setNowTs] = useState(0)
 
   useEffect(() => {
     let cancelled = false
@@ -115,17 +113,6 @@ export default function OrderDetailPage({ params }: { params: Promise<{ id: stri
     }
   }, [id])
 
-  useEffect(() => {
-    if (!order) return
-    if (order.status !== "pending_accept" && order.status !== "pending_close") return
-
-    const timer = setInterval(() => {
-      setNowTs(Date.now())
-    }, 1000)
-
-    return () => clearInterval(timer)
-  }, [order])
-
   if (loading) {
     return (
       <div className="container mx-auto max-w-2xl px-4 py-8">
@@ -150,21 +137,6 @@ export default function OrderDetailPage({ params }: { params: Promise<{ id: stri
         ? cancelledStatusSteps
         : normalStatusSteps
   const currentStepIndex = statusSteps.indexOf(order.status)
-  const timeoutHint = (() => {
-    if (order.status !== "pending_accept" && order.status !== "pending_close") return null
-
-    const base =
-      order.status === "pending_accept"
-        ? new Date(order.createdAt).getTime()
-        : new Date(order.createdAt).getTime()
-    const timeoutMs =
-      order.status === "pending_accept" ? ORDER_ACCEPT_TIMEOUT_MS : ORDER_CLOSE_TIMEOUT_MS
-    const remainSeconds = Math.max(0, Math.ceil((timeoutMs - (nowTs - base)) / 1000))
-
-    return order.status === "pending_accept"
-      ? `若 ${Math.floor(ORDER_ACCEPT_TIMEOUT_MS / 1000)} 秒内无人接单，订单将自动取消（剩余 ${remainSeconds} 秒）`
-      : `若 ${Math.floor(ORDER_CLOSE_TIMEOUT_MS / 1000)} 秒内未确认，订单将自动进入待评价（剩余 ${remainSeconds} 秒）`
-  })()
 
   return (
     <div className="container mx-auto py-8 px-4 max-w-2xl">
@@ -212,12 +184,6 @@ export default function OrderDetailPage({ params }: { params: Promise<{ id: stri
         </CardContent>
       </Card>
 
-      {timeoutHint && (
-        <Card className="mb-6 border-border/80 shadow-sm">
-          <CardContent className="py-3 text-sm text-muted-foreground">{timeoutHint}</CardContent>
-        </Card>
-      )}
-
       <Card className="mb-6 border-border/80 shadow-sm">
         <CardHeader>
           <CardTitle className="text-base">服务信息</CardTitle>