refactor: remove hardcoded display values and unused lib/id.ts

Delete hardcoded marketing stats in auth layout and ¥12,800
placeholder in owner dashboard. Remove lib/id.ts which is no
longer referenced by any module.

app/(auth)/layout.tsx

@@ -1,12 +1,6 @@
 import { ArrowLeft, Gamepad2 } from "lucide-react"
 import Link from "next/link"
 
-const stats = [
-  { value: "12,000+", label: "认证打手" },
-  { value: "98.6%", label: "好评率" },
-  { value: "50,000+", label: "完成订单" },
-]
-
 export default function AuthLayout({ children }: { children: React.ReactNode }) {
   return (
     <div className="flex min-h-screen bg-background">
@@ -28,15 +22,6 @@ export default function AuthLayout({ children }: { children: React.ReactNode })
           <p className="mt-4 text-base leading-relaxed text-muted-foreground">
             聚玩连接玩家与专业打手，提供安全、透明、高效的游戏陪玩服务。无论你是寻找搭档还是展示技能，这里都是你的舞台。
           </p>
-
-          <div className="mt-10 grid grid-cols-3 gap-6">
-            {stats.map((stat) => (
-              <div key={stat.label}>
-                <div className="text-2xl font-bold">{stat.value}</div>
-                <div className="mt-1 text-xs text-muted-foreground">{stat.label}</div>
-              </div>
-            ))}
-          </div>
         </div>
 
         <div className="text-xs text-muted-foreground">&copy; 2025 聚玩. All rights reserved.</div>

app/(dashboard)/dashboard/page.tsx

@@ -92,7 +92,9 @@ export default function DashboardPage() {
   const rating = isOwner ? (shop?.rating ?? 0) : (player?.rating ?? 0)
   const playerCount = shop?.playerCount ?? 0
   const completionRate = player?.completionRate ?? 0
-  const serviceCount = player ? services.filter((s) => s.playerId === player.id).length : 0
+  const serviceCount = player
+    ? services.filter((service) => String(service.playerId) === String(player.id)).length
+    : 0
 
   return (
     <div className="container mx-auto max-w-6xl px-4 py-8 space-y-8">
@@ -147,7 +149,7 @@ export default function DashboardPage() {
             )}
           </CardHeader>
           <CardContent>
-            <div className="text-2xl font-bold">{isOwner ? "¥12,800" : serviceCount}</div>
+            <div className="text-2xl font-bold">{isOwner ? "——" : serviceCount}</div>
           </CardContent>
         </Card>
       </div>

app/(main)/shop/[id]/page.tsx

@@ -25,8 +25,8 @@ export default async function ShopPage({ params }: PageProps) {
   }
 
   const [shopPlayers, allServices] = await Promise.all([listPlayersByShop(shop.id), listServices()])
-  const playerIds = shopPlayers.map((p) => p.id)
-  const shopServices = allServices.filter((s) => playerIds.includes(s.playerId))
+  const playerIds = new Set(shopPlayers.map((player) => String(player.id)))
+  const shopServices = allServices.filter((service) => playerIds.has(String(service.playerId)))
   const shopReviews = await listReviews()
   const sortedSections = getShopSections(shop).filter((s) => s.enabled)