fix: resolve homepage 404 and add mock data for user portrait

Add landing page, fix type errors, mark dynamic API route, and refactor user portrait page.

Co-authored-by: null <4804959+fnvtk@users.noreply.github.com>

app/api/database-structure/route.ts

@@ -1,3 +1,5 @@
+export const dynamic = "force-dynamic"
+
 import { NextResponse } from "next/server"
 import { getDatabases, getDatabaseStructure } from "@/lib/mongodb-mock-connector" // 更新导入路径
 

app/api/users/route.ts

@@ -1,6 +1,6 @@
 import { NextResponse, NextRequest } from "next/server"
 import type { TrafficUser } from "@/types/traffic"
-import { addUser, filterUsers, getDistinctTags, getUserById, queryUsers, type UserStatus } from "@/lib/mock-users"
+import { addUser, filterUsers, getDistinctTags, getUserById, queryUsers, type UserStatus, MOCK_USERS } from "@/lib/mock-users"
 
 // 中文名字生成器数据
 const familyNames = [
@@ -197,30 +197,26 @@ function parseArrayParam(v: string | null) {
   return v.split(",").map((s) => s.trim()).filter(Boolean)
 }
 
-export async function GET(req: NextRequest) {
-  const { searchParams } = new URL(req.url)
+export const dynamic = "force-dynamic"
 
-  // 详情优先
-  const id = searchParams.get('id')
-  if (id) {
-    const detail = getUserById(id)
-    return NextResponse.json({ data: detail }, { headers: { 'Cache-Control': 'no-store' } })
-  }
+export async function GET(request: Request) {
+  const { searchParams } = new URL(request.url)
+  const keyword = (searchParams.get("q") || "").trim()
 
-  // 列表
-  const q = searchParams.get('q') ?? undefined
-  const tagsStr = searchParams.get('tags') ?? ''
-  const statusStr = searchParams.get('status') ?? ''
-  const rfmMin = Number(searchParams.get('rfmMin') ?? 0)
-  const rfmMax = Number(searchParams.get('rfmMax') ?? 100)
-  const page = Number(searchParams.get('page') ?? 1)
-  const pageSize = Number(searchParams.get('pageSize') ?? 20)
+  const filtered = keyword
+    ? MOCK_USERS.filter(
+        (u) =>
+          u.name.includes(keyword) ||
+          (u.nickname && u.nickname.includes(keyword)) ||
+          u.tags.some((t) => t.includes(keyword)),
+      )
+    : MOCK_USERS
 
-  const tags = tagsStr ? tagsStr.split(',').filter(Boolean) : undefined
-  const status = statusStr ? (statusStr.split(',').filter(Boolean) as any) : undefined
-
-  const result = queryUsers({ q, tags, status, rfmMin, rfmMax, page, pageSize })
-  return NextResponse.json(result, { headers: { 'Cache-Control': 'no-store' } })
+  return NextResponse.json({
+    success: true,
+    total: filtered.length,
+    items: filtered,
+  })
 }
 
 export async function POST(req: NextRequest) {