chore(阶段3): 删除阶段 1 的临时验证物

GET /api/dev/problems、dev-problems.vue、对应路由项，以及只服务于它的
problemSummarySchema。阶段 1 用来验证「能从真实库读出一道题」，已完成使命。

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

apps/api/src/routes/problem.ts

@@ -3,7 +3,6 @@ import {
 	problemDetailSchema,
 	problemListItemSchema,
 	problemListSchema,
-	problemSummarySchema,
 	tagSchema,
 	yearlyAcSchema,
 } from "@oj2/contract"
@@ -228,25 +227,6 @@ problemRoutes.get("/problems/:displayId/yearly-ac", async (c) => {
 	return success(c, rows.map((row) => yearlyAcSchema.parse({ ...row, acRate: row.total > 0 ? Math.round(row.accepted / row.total * 10_000) / 100 : 0 })))
 })
 
-problemRoutes.get("/dev/problems", async (c) => {
-	const rows = await db
-		.select({
-			id: schema.problem.id,
-			_id: schema.problem.displayId,
-			title: schema.problem.title,
-			difficulty: schema.problem.difficulty,
-			submissionNumber: schema.problem.submissionNumber,
-			acceptedNumber: schema.problem.acceptedNumber,
-		})
-		.from(schema.problem)
-		.where(and(eq(schema.problem.visible, true), isNull(schema.problem.contestId)))
-		.orderBy(desc(schema.problem.id))
-		.limit(20)
-
-	const data = rows.map((row) => problemSummarySchema.parse(row))
-	return success(c, data)
-})
-
 problemRoutes.get("/problems/:displayId", optionalAuth, async (c) => {
 	const [row] = await db
 		.select({

apps/web/src/oj/dev-problems.vue

@@ -1,31 +0,0 @@
-<script setup lang="ts">
-import type { ProblemSummary } from "@oj2/contract"
-import { onMounted, ref } from "vue"
-
-const problems = ref<ProblemSummary[]>([])
-const error = ref("")
-
-onMounted(async () => {
-  try {
-    const response = await fetch("/api2/problems")
-    const body = await response.json()
-    problems.value = body.data
-  } catch (cause) {
-    error.value = String(cause)
-  }
-})
-</script>
-
-<template>
-  <div style="padding: 24px">
-    <h2>阶段 1 链路验证（临时页，阶段 3 删除）</h2>
-    <p v-if="error" style="color: red">{{ error }}</p>
-    <p>共 {{ problems.length }} 道题</p>
-    <ul>
-      <li v-for="problem in problems" :key="problem.id">
-        {{ problem._id }} — {{ problem.title }}（{{ problem.difficulty }}，通过
-        {{ problem.acceptedNumber }}/{{ problem.submissionNumber }}）
-      </li>
-    </ul>
-  </div>
-</template>

apps/web/src/routes.ts

@@ -5,7 +5,6 @@ export const ojs: RouteRecordRaw = {
   component: () => import("shared/layout/default.vue"),
   children: [
     { path: "", component: () => import("oj/problem/list.vue") },
-    { path: "dev-problems", component: () => import("oj/dev-problems.vue") },
     {
       path: "problem/:problemID",
       component: () => import("oj/problem/detail.vue"),

packages/contract/src/problem.ts

@@ -2,18 +2,6 @@ import { z } from "zod"
 
 import { paginatedSchema, sampleUserSchema } from "./common"
 
-/** 题目列表项。字段取自 problem 表，只含列表页需要的列。 */
-export const problemSummarySchema = z.object({
-  id: z.number().int(),
-  _id: z.string(), // 展示用编号，与自增 id 不同
-  title: z.string(),
-  difficulty: z.string(),
-  submissionNumber: z.number().int(),
-  acceptedNumber: z.number().int(),
-})
-
-export type ProblemSummary = z.infer<typeof problemSummarySchema>
-
 export const problemDetailSchema = z.object({
   id: z.number().int(),
   _id: z.string(),