chore(copy): rename consumer label to 客户

Unify user-facing role terminology by replacing 消费者 with 客户 while keeping role keys unchanged. This aligns account settings, header role switch, global role labels, and order list role text.

app/(order)/orders/page.tsx

@@ -101,7 +101,7 @@ function OrderListContent({ currentRole, userId }: { currentRole: UserRole; user
         <h1 className="text-2xl font-bold">我的订单</h1>
         <Badge variant="outline" className="text-xs">
           {currentRole === "consumer"
-            ? "消费者视角"
+            ? "客户视角"
             : currentRole === "player"
               ? "打手视角"
               : "店主视角"}
@@ -134,8 +134,8 @@ function OrderListContent({ currentRole, userId }: { currentRole: UserRole; user
                     {currentRole === "consumer"
                       ? `打手: ${order.playerName}`
                       : currentRole === "player"
-                        ? `消费者: ${order.consumerName}`
-                        : `消费者: ${order.consumerName} · 打手: ${order.playerName}`}
+                        ? `客户: ${order.consumerName}`
+                        : `客户: ${order.consumerName} · 打手: ${order.playerName}`}
                   </p>
                 </CardHeader>
                 <CardContent>