feat(wallet): add runtime balance flow and role-gated order posting

app/(main)/post/new/page.tsx

@@ -4,7 +4,7 @@ import { standardSchemaResolver } from "@hookform/resolvers/standard-schema"
 import { ArrowLeft, ImagePlus, X } from "lucide-react"
 import Link from "next/link"
 import { useRouter } from "next/navigation"
-import { useState } from "react"
+import { useEffect, useState } from "react"
 import { useForm } from "react-hook-form"
 import { z } from "zod"
 import { Badge } from "@/components/ui/badge"
@@ -20,8 +20,10 @@ import {
   SelectValue,
 } from "@/components/ui/select"
 import { Textarea } from "@/components/ui/textarea"
-import { mockOrders, mockPosts } from "@/lib/mock"
+import { mockPosts } from "@/lib/mock"
 import { useRequireAuth } from "@/lib/use-require-auth"
+import { useAuthStore } from "@/store/auth"
+import { useOrderStore } from "@/store/orders"
 
 const postSchema = z.object({
   title: z.string().min(2, "标题至少2个字符").max(50, "标题最多50个字符"),
@@ -33,6 +35,9 @@ const tagOptions = ["英雄联盟", "王者荣耀", "CS2", "原神", "上分", "
 export default function NewPostPage() {
   const router = useRouter()
   const { isAuthenticated, requireAuth } = useRequireAuth()
+  const currentRole = useAuthStore((state) => state.currentRole)
+  const userId = useAuthStore((state) => state.user?.id)
+  const orders = useOrderStore((state) => state.orders)
   const [postType, setPostType] = useState("normal")
   const [selectedTags, setSelectedTags] = useState<string[]>([])
   const [imageCount, setImageCount] = useState(0)
@@ -53,6 +58,16 @@ export default function NewPostPage() {
     )
   }
 
+  useEffect(() => {
+    if (currentRole !== "consumer" && postType === "show_order") {
+      setPostType("normal")
+    }
+  }, [currentRole, postType])
+
+  const availableOrders = orders.filter(
+    (order) => order.status === "completed" && order.consumerId === userId,
+  )
+
   const onSubmit = async () => {
     if (!isAuthenticated) {
       requireAuth(() => undefined)
@@ -87,7 +102,7 @@ export default function NewPostPage() {
                 </SelectTrigger>
                 <SelectContent>
                   <SelectItem value="normal">普通帖</SelectItem>
-                  <SelectItem value="show_order">秀单帖</SelectItem>
+                  {currentRole === "consumer" && <SelectItem value="show_order">秀单帖</SelectItem>}
                   <SelectItem value="quote">引用帖</SelectItem>
                 </SelectContent>
               </Select>
@@ -101,13 +116,11 @@ export default function NewPostPage() {
                     <SelectValue placeholder="选择要展示的订单" />
                   </SelectTrigger>
                   <SelectContent>
-                    {mockOrders
-                      .filter((order) => order.status === "completed")
-                      .map((order) => (
-                        <SelectItem key={order.id} value={order.id}>
-                          {order.service.title} · {order.playerName}
-                        </SelectItem>
-                      ))}
+                    {availableOrders.map((order) => (
+                      <SelectItem key={order.id} value={order.id}>
+                        {order.service.title} · {order.playerName}
+                      </SelectItem>
+                    ))}
                   </SelectContent>
                 </Select>
               </div>