feat(前台): 各页直达后台对应功能——编辑这一课、新建比赛、编辑这条公告……

题目页「编辑题目」从只给超管放宽到有权改这道题的人（含学生管理员改自己出的题）；
题目、比赛、题单列表加「新建」；自学首页加「自学情况」「管理教程」，课文加「编辑这一课」；
公告加「编辑这条」「发公告」；成就加「管理成就」；智能分析加「AI 报告」，看某个学生时
带着用户名过去直接筛到他。按钮统一走 shared/components/AdminLink.vue。

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

apps/web/src/admin/ai/list.vue

@@ -21,7 +21,13 @@ const theme = useThemeVars()
 
 const reports = ref<AdminAiReportListItem[]>([])
 const total = ref(0)
-const query = reactive({ limit: 10, page: 1, username: "" })
+// 前台「智能分析」看某个学生时的「AI 报告」按钮带着 ?username= 过来，直接筛到他
+const route = useRoute()
+const query = reactive({
+  limit: 10,
+  page: 1,
+  username: typeof route.query.username === "string" ? route.query.username : "",
+})
 
 const selectedId = ref<number | null>(null)
 const detail = ref<AdminAiReport | null>(null)

apps/web/src/oj/achievement/index.vue

@@ -4,6 +4,7 @@ import { getAchievements } from "oj/achievement/api"
 import { getUserBadges } from "oj/api"
 import { useBreakpoints } from "shared/composables/breakpoints"
 import UserName from "shared/components/UserName.vue"
+import AdminLink from "shared/components/AdminLink.vue"
 import { useUserStore } from "shared/store/user"
 import { RARITY_COLOR, RARITY_LABEL } from "utils/constants"
 import type { AchievementList, AchievementRarity, UserBadge } from "utils/types"
@@ -83,6 +84,9 @@ watch(name, load)
             </span>
           </span>
           <router-link v-if="other" to="/achievement" class="mine">看我的 ›</router-link>
+          <div v-if="userStore.isSuperAdmin && isDesktop" class="admin-link">
+            <AdminLink to="/admin/achievement/list" size="small">管理成就</AdminLink>
+          </div>
         </div>
 
         <!-- 没有班级（老师、自己注册的号）就没有「本班」，「快拿到了」三个横排占满整宽 -->
@@ -168,6 +172,16 @@ h2 {
   font-variant-numeric: tabular-nums;
 }
 
+/* 两个都在时「看我的」占着 auto，按钮跟在它后面 */
+.admin-link {
+  margin-left: auto;
+  align-self: center;
+}
+
+.mine + .admin-link {
+  margin-left: 0;
+}
+
 .mine {
   margin-left: auto;
   font-size: var(--oj-fs-sec);

apps/web/src/oj/ai/analysis.vue

@@ -8,6 +8,7 @@ import {
 import { useRouteQuery } from "@vueuse/router"
 import { useThemeVars } from "naive-ui"
 import { useBreakpoints } from "shared/composables/breakpoints"
+import AdminLink from "shared/components/AdminLink.vue"
 import { useUserStore } from "shared/store/user"
 import UserName from "shared/components/UserName.vue"
 import { classLabel } from "oj/submission/utils"
@@ -137,6 +138,13 @@ function goStudent(username: string | null | undefined) {
       >
         看<UserName :username="viewing" />的提交 ›
       </router-link>
+      <AdminLink
+        v-if="userStore.isTeacherOrAbove && isDesktop"
+        :to="{ path: '/admin/ai/reports', query: viewing ? { username: viewing } : {} }"
+        size="small"
+      >
+        AI 报告
+      </AdminLink>
     </div>
 
     <n-spin :show="loading" :delay="150">

apps/web/src/oj/announcement/list.vue

@@ -1,8 +1,10 @@
 <script setup lang="ts">
 import { useThemeVars } from "naive-ui"
 import { getAnnouncement, getAnnouncementList } from "oj/api"
+import AdminLink from "shared/components/AdminLink.vue"
 import NotFound from "shared/components/NotFound.vue"
 import { useBreakpoints } from "shared/composables/breakpoints"
+import { useUserStore } from "shared/store/user"
 import { errorCode } from "utils/api"
 import { parseTime, zonedParts, zonedYear } from "utils/functions"
 import type { Announcement, AnnouncementListItem } from "utils/types"
@@ -19,6 +21,7 @@ const LIMIT = 100
 const theme = useThemeVars()
 const route = useRoute()
 const router = useRouter()
+const userStore = useUserStore()
 const { isDesktop } = useBreakpoints()
 
 const announcements = ref<AnnouncementListItem[]>([])
@@ -105,7 +108,19 @@ const showReader = computed(() => isDesktop.value || queryId.value !== null)
 
 <template>
   <div class="page oj-page">
-    <h2>公告</h2>
+    <div class="head">
+      <h2>公告</h2>
+      <template v-if="userStore.isSuperAdmin">
+        <span class="grow"></span>
+        <AdminLink
+          v-if="showReader && detail"
+          :to="{ name: 'admin announcement edit', params: { announcementID: detail.id } }"
+        >
+          编辑这条
+        </AdminLink>
+        <AdminLink to="/admin/announcement/create">发公告</AdminLink>
+      </template>
+    </div>
 
     <n-empty v-if="loaded && !announcements.length" description="还没有公告" class="blank" />
 
@@ -177,6 +192,16 @@ h2 {
   font-size: var(--oj-fs-title);
 }
 
+.head {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.grow {
+  flex-grow: 1;
+}
+
 .blank {
   margin-top: 60px;
 }

apps/web/src/oj/contest/list.vue

@@ -9,6 +9,8 @@ import ContestTitle from "shared/components/ContestTitle.vue"
 import Pagination from "shared/components/Pagination.vue"
 import { useAuthModalStore } from "shared/store/authModal"
 import { usePagination } from "shared/composables/pagination"
+import AdminLink from "shared/components/AdminLink.vue"
+import { useBreakpoints } from "shared/composables/breakpoints"
 import { useUserStore } from "shared/store/user"
 import { ContestStatus } from "utils/constants"
 import ContestBadge from "./components/ContestBadge.vue"
@@ -19,6 +21,7 @@ import ContestBadge from "./components/ContestBadge.vue"
  */
 const router = useRouter()
 const userStore = useUserStore()
+const { isDesktop } = useBreakpoints()
 const authStore = useAuthModalStore()
 const theme = useThemeVars()
 const tone = useTone()
@@ -145,6 +148,10 @@ const warning = computed(() => tone("warning"))
         {{ item.label }}
       </button>
       <n-input v-model:value="query.keyword" clearable placeholder="比赛名" style="width: 200px" />
+      <!-- 手机上一行放不下，也没人在手机上出题，只给电脑 -->
+      <AdminLink v-if="isDesktop && userStore.isTeacherOrAbove" to="/admin/contest/create"
+        >新建比赛</AdminLink
+      >
     </div>
 
     <div

apps/web/src/oj/learn/home.vue

@@ -4,6 +4,7 @@ import type { TutorialProgress, TutorialSummary } from "@oj2/contract"
 import { getLearnProgress, getTutorials } from "../api"
 import { useBreakpoints } from "shared/composables/breakpoints"
 import { useAuthModalStore } from "shared/store/authModal"
+import AdminLink from "shared/components/AdminLink.vue"
 import { useUserStore } from "shared/store/user"
 import {
   COURSES,
@@ -251,6 +252,16 @@ onMounted(load)
         >
           登录后记下学到哪
         </button>
+        <div v-if="isDesktop && userStore.isTeacherOrAbove" class="admin-links">
+          <AdminLink to="/admin/learn" size="small">自学情况</AdminLink>
+          <AdminLink
+            v-if="userStore.isSuperAdmin"
+            :to="{ path: '/admin/tutorial/list', query: { type: tab } }"
+            size="small"
+          >
+            管理教程
+          </AdminLink>
+        </div>
       </div>
 
       <div v-if="current && isDesktop" class="map">
@@ -483,6 +494,11 @@ onMounted(load)
   font-weight: 400;
   opacity: 0.6;
 }
+.admin-links {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
 .login {
   border: 0;
   background: transparent;

apps/web/src/oj/learn/index.vue

@@ -8,6 +8,7 @@ import { parseLesson } from "./composables/useLessonParse"
 import { useLearnTrace } from "./composables/useLearnTrace"
 import { useBackClose } from "shared/composables/backClose"
 import { useBreakpoints } from "shared/composables/breakpoints"
+import AdminLink from "shared/components/AdminLink.vue"
 import { useUserStore } from "shared/store/user"
 import {
   COURSES,
@@ -293,6 +294,15 @@ function jumpExercise(id: number) {
               <span v-if="tutorial.project">{{ tutorial.project }}</span>
               <span v-if="tutorial.project">·</span>
               <span class="num">第 {{ step }} / {{ titles.length }} 课</span>
+              <template v-if="userStore.isSuperAdmin">
+                <span class="grow" />
+                <AdminLink
+                  :to="{ name: 'admin tutorial edit', params: { tutorialID: tutorial.id } }"
+                  size="tiny"
+                >
+                  编辑这一课
+                </AdminLink>
+              </template>
             </div>
             <h1 class="h1">{{ parts.kp }}</h1>
             <div v-if="parts.scene" class="scene">{{ parts.scene }}</div>
@@ -546,6 +556,7 @@ function jumpExercise(id: number) {
 }
 .crumb {
   display: flex;
+  align-items: center;
   gap: 8px;
   font-size: 13px;
   margin-bottom: 6px;

apps/web/src/oj/problem/composables/editorMenu.ts

@@ -58,7 +58,8 @@ export function useEditorMenu(statisticsInline: Ref<boolean>) {
       // 一写回去就顺着 Yjs 同步过去，等于一键清空学生的作业，他还没法撤回
       if (!teacherCollab.value) items.push({ label: "重置代码", key: "reset" })
     }
-    if (isDesktop.value && userStore.isSuperAdmin) items.push({ label: "编辑题目", key: "edit" })
+    if (isDesktop.value && problem.value && userStore.canEditProblem(problem.value))
+      items.push({ label: "编辑题目", key: "edit" })
     return items
   })
 

apps/web/src/oj/problem/list.vue

@@ -15,6 +15,7 @@ import Pagination from "shared/components/Pagination.vue"
 import { useBreakpoints } from "shared/composables/breakpoints"
 import { usePagination } from "shared/composables/pagination"
 import { useAuthModalStore } from "shared/store/authModal"
+import AdminLink from "shared/components/AdminLink.vue"
 import { useUserStore } from "shared/store/user"
 import ProblemStatus from "./components/ProblemStatus.vue"
 import ProblemTypeTag from "./components/ProblemTypeTag.vue"
@@ -430,6 +431,9 @@ const gridColumns = computed(() =>
           </div>
           <div class="spacer"></div>
           <Hitokoto class="hitokoto" />
+          <AdminLink v-if="userStore.hasProblemPermission" to="/admin/problem/create" size="small">
+            新建题目
+          </AdminLink>
         </div>
 
         <div class="titlebar">

apps/web/src/oj/problemset/list.vue

@@ -1,5 +1,8 @@
 <script setup lang="ts">
 import { useThemeVars } from "naive-ui"
+import AdminLink from "shared/components/AdminLink.vue"
+import { useBreakpoints } from "shared/composables/breakpoints"
+import { useUserStore } from "shared/store/user"
 import { getProblemSetList } from "oj/api"
 import { rgba, useTone } from "oj/submission/composables/tone"
 import { parseTime } from "utils/functions"
@@ -13,6 +16,8 @@ import { badgeCondition, ladder, nextBadge } from "./badges"
  * 题单一共十几个，一次全取回来在前端分组，不分页
  */
 const router = useRouter()
+const userStore = useUserStore()
+const { isDesktop } = useBreakpoints()
 const theme = useThemeVars()
 const tone = useTone()
 
@@ -88,6 +93,10 @@ const doneBackground = computed(() => rgba(theme.value.successColor, 0.05))
       <h2>题单</h2>
       <div class="spacer"></div>
       <n-input v-model:value="keyword" placeholder="搜题单" clearable class="search" />
+      <!-- 手机上一行放不下，也没人在手机上出题，只给电脑 -->
+      <AdminLink v-if="isDesktop && userStore.isTeacherOrAbove" to="/admin/problemset/create"
+        >新建题单</AdminLink
+      >
     </div>
 
     <template v-if="assigning.length">

apps/web/src/shared/components/AdminLink.vue

@@ -0,0 +1,19 @@
+<script setup lang="ts">
+import { RouterLink, type RouteLocationRaw } from "vue-router"
+
+/**
+ * 前台页面上直达后台对应功能的按钮（「编辑这一课」「新建比赛」……），和题单页的
+ * 「编辑题单」、比赛页的「比赛设置」同一种样子。渲染成真的 <a>：老师常要一边看前台
+ * 一边改，中键 / Ctrl 点开新标签页得能用。给谁看由调用方用 v-if 管，要和
+ * routes.ts 里目标路由的 meta 对齐，否则点下去被守卫静默踢回首页。
+ */
+withDefaults(defineProps<{ to: RouteLocationRaw; size?: "tiny" | "small" | "medium" }>(), {
+  size: "medium",
+})
+</script>
+
+<template>
+  <RouterLink v-slot="{ href, navigate }" :to="to" custom>
+    <n-button tag="a" :href="href" :size="size" @click="navigate"><slot /></n-button>
+  </RouterLink>
+</template>

apps/web/src/shared/store/user.ts

@@ -49,6 +49,22 @@ export const useUserStore = defineStore("user", () => {
 
   const canToggleDemoMode = computed(() => realIsSuperAdmin.value)
 
+  /**
+   * 前台「编辑题目」入口给谁看，对齐后端 admin/problem.ts 的 canEdit：
+   * 公开题看题目的创建者（或题目权限是「全部」），比赛题看比赛的创建者。
+   * 题目页拿不到比赛的创建者，比赛题就按题目的创建者估 —— 比赛题基本是出题老师
+   * 自己建或克隆的；估错了后台会拦，只是多一个点进去 404 的入口。
+   */
+  function canEditProblem(problem: { contestId: number | null; createdBy: { id: number } }) {
+    if (isSuperAdmin.value) return true
+    const mine = problem.createdBy.id === user.value?.id
+    if (problem.contestId !== null) return isTeacherOrAbove.value && mine
+    return (
+      hasProblemPermission.value &&
+      (mine || user.value?.problemPermission === PROBLEM_PERMISSION.ALL)
+    )
+  }
+
   function toggleDemoMode() {
     demoSwitch.value = !demoSwitch.value
     storage.set(STORAGE_KEY.DEMO_MODE, demoSwitch.value)
@@ -124,6 +140,7 @@ export const useUserStore = defineStore("user", () => {
     hasProblemPermission,
     demoMode,
     canToggleDemoMode,
+    canEditProblem,
     toggleDemoMode,
     isAuthed,
     showSubmissions,