学业风险雷达已接入首页，复用现有正式预警规则、检测、通知和确认流程：

学生首页：显示当前生效预警的自然语言摘要与最多 3 条重点事项，可直达处理页。
辅导员首页：显示所管班级的生效预警学生与详情，可直达完整预警列表。
风险接口加载失败会明确提示，不会误报“暂无风险”。
混合“学生 + 辅导员”角色会优先进入辅导员工作台。

web/src/views/StudentDashboardView.vue

@@ -83,6 +83,14 @@ interface DashboardGreeting {
   }>
 }
 
+interface WarningItem {
+  id: string
+  type: number
+  status: number
+  detail: string
+  createdAt: string
+}
+
 const router = useRouter()
 const auth = useAuthStore()
 const loading = ref(true)
@@ -93,6 +101,7 @@ const unreadCount = ref(0)
 const exams = ref<ExamItem[]>([])
 const grades = ref<GradeItem[]>([])
 const dashboardGreeting = ref<DashboardGreeting | null>(null)
+const warnings = ref<WarningItem[]>([])
 const now = ref(new Date())
 
 const categoryLabels: Record<string, string> = {
@@ -173,6 +182,11 @@ const recentGrades = computed(() =>
     .slice(0, 4),
 )
 
+const activeWarnings = computed(() => warnings.value.filter((warning) => warning.status === 1))
+const radarSummary = computed(() => activeWarnings.value.length
+  ? `发现 ${activeWarnings.value.length} 项需要你关注的学习风险，建议优先处理下方提示。`
+  : '系统暂未发现需要你处理的学业风险，继续保持当前学习节奏。')
+
 function parseDateOnly(value?: string) {
   if (!value) return null
   const [year, month, day] = value.slice(0, 10).split('-').map(Number)
@@ -296,6 +310,7 @@ async function loadOverview() {
     http.get('/exams/my-schedule'),
     http.get('/grades/student/transcript'),
     http.get<DashboardGreeting>('/dashboard/greeting'),
+    http.get<WarningItem[]>('/warnings/my-warnings'),
   ])
 
   if (results[0].status === 'fulfilled') {
@@ -322,6 +337,11 @@ async function loadOverview() {
   if (results[4].status === 'fulfilled') {
     dashboardGreeting.value = results[4].value.data
   }
+  if (results[5].status === 'fulfilled') {
+    warnings.value = results[5].value.data
+  } else {
+    failedSections.value.push('学业风险雷达')
+  }
   loading.value = false
 }
 
@@ -353,6 +373,24 @@ onMounted(loadOverview)
     </section>
     <p v-if="dashboardGreeting?.narrative" class="student-greeting-narrative">{{ dashboardGreeting.narrative }}</p>
 
+    <section class="student-risk-radar" :class="{ attention: activeWarnings.length }">
+      <header>
+        <div>
+          <span class="panel-kicker">ACADEMIC RADAR</span>
+          <h3>学业风险雷达</h3>
+        </div>
+        <button type="button" @click="router.push('/warnings')">查看全部 <el-icon><ArrowRight /></el-icon></button>
+      </header>
+      <p>{{ radarSummary }}</p>
+      <div v-if="activeWarnings.length" class="risk-list">
+        <button v-for="warning in activeWarnings.slice(0, 3)" :key="warning.id" type="button" @click="router.push('/warnings')">
+          <span>{{ categoryLabels.Warning }}</span>
+          <strong>{{ warning.detail }}</strong>
+          <i>去处理 →</i>
+        </button>
+      </div>
+    </section>
+
     <el-alert
       v-if="failedSections.length"
       type="warning"
@@ -605,6 +643,24 @@ onMounted(loadOverview)
   line-height: 1.7;
 }
 
+.student-risk-radar {
+  padding: 20px 22px;
+  border: 1px solid #dce6eb;
+  background: #fbfdfd;
+}
+
+.student-risk-radar.attention { border-left: 3px solid #c4812a; background: #fffcf6; }
+.student-risk-radar header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
+.student-risk-radar h3 { margin: 6px 0 0; color: var(--ink); font-size: 17px; }
+.student-risk-radar header button { padding: 4px 0; display: inline-flex; align-items: center; gap: 4px; border: 0; color: #526078; background: transparent; font-size: 12px; white-space: nowrap; }
+.student-risk-radar header button:hover { color: var(--indigo); }
+.student-risk-radar > p { margin: 13px 0 0; color: #59677a; font-size: 12px; line-height: 1.7; }
+.risk-list { margin-top: 13px; display: grid; }
+.risk-list button { padding: 12px 0; display: grid; grid-template-columns: 76px minmax(0, 1fr) auto; gap: 10px; text-align: left; border: 0; border-top: 1px solid #eee6d8; background: transparent; }
+.risk-list span { align-self: center; color: #a16b1c; font: 700 9px/1.4 Consolas, monospace; letter-spacing: .06em; }
+.risk-list strong { color: #38475a; font-size: 12px; font-weight: 600; line-height: 1.55; }
+.risk-list i { align-self: center; color: #9a743d; font-size: 11px; font-style: normal; white-space: nowrap; }
+
 .today-status {
   min-width: 180px;
   margin-left: auto;
@@ -945,6 +1001,9 @@ onMounted(loadOverview)
 
 @media (max-width: 600px) {
   .student-greeting-insights { padding: 15px 18px; grid-template-columns: 1fr; }
+  .student-risk-radar { padding: 18px; }
+  .risk-list button { grid-template-columns: 1fr auto; }
+  .risk-list span { grid-column: 1 / -1; }
   .student-overview {
     gap: 12px;
   }