diff --git a/apps/api/src/routes/classroom.ts b/apps/api/src/routes/classroom.ts
index 9128b7a..27239b5 100644
--- a/apps/api/src/routes/classroom.ts
+++ b/apps/api/src/routes/classroom.ts
@@ -5,6 +5,7 @@ import {
   type ClassActivity,
   type ClassBoard,
   type ClassBoardStudent,
+  type ClassLesson,
   type ClassActivityProblem,
   type ClassComparison,
   type ClassComparisonResponse,
@@ -671,6 +672,22 @@ classroomRoutes.get("/classroom/board", requireTeacher, async (c) => {
  * 有对不上的题号就整个拒掉并点名是哪几个，免得存下半张单子老师还不知道。空数组 = 清掉，
  * 学生那边退回推断。
  */
+classroomRoutes.get("/classroom/lesson", requireTeacher, async (c) => {
+  const className = c.req.query("className")?.trim() || (await suggestActiveClass())
+  if (!className)
+    return success(c, { className: null, source: null, problems: [] } satisfies ClassLesson)
+  // 和看板一样只回看今天：「这节课」不该冒出昨天的题
+  const lesson = await classLessonProblems(className, 1)
+  return success(c, {
+    className,
+    source: lesson.source,
+    problems: lesson.problems.map((problem) => ({
+      problemDisplayId: problem.displayId,
+      title: problem.title,
+    })),
+  } satisfies ClassLesson)
+})
+
 classroomRoutes.put("/classroom/lesson", requireTeacher, async (c) => {
   const parsed = await parseBody(c, classLessonRequestSchema, "题号格式不对")
   if (!parsed.success) return parsed.response
diff --git a/apps/api/src/routes/flowchart.ts b/apps/api/src/routes/flowchart.ts
index 3b4f9ea..38322de 100644
--- a/apps/api/src/routes/flowchart.ts
+++ b/apps/api/src/routes/flowchart.ts
@@ -29,6 +29,7 @@ import {
   isAdminRole,
   matchedUsers,
   asRecord,
+  parseDisplayIds,
   queryInteger,
   rounded,
   stripClassPrefix,
@@ -178,12 +179,15 @@ flowchartRoutes.post("/flowcharts", requireAuth, async (c) => {
  * 「查无此班」会变成「全站」。
  */
 async function flowchartProblemFilter(displayId: string) {
+  // 和代码提交列表一样可以一次筛几道
+  const lowered = parseDisplayIds(displayId).map((id) => id.toLowerCase())
+  if (!lowered.length) return sql`false`
   const problems = await db
     .select({ id: schema.problem.id })
     .from(schema.problem)
     .where(
       and(
-        sql`lower(${schema.problem.displayId}) = lower(${displayId})`,
+        inArray(sql`lower(${schema.problem.displayId})`, lowered),
         // 流程图题都是公开题（快照里那 12 道 contest_id 全为空），
         // 比赛题的 _id 撞号是常态，不该被筛进来
         isNull(schema.problem.contestId),
@@ -197,6 +201,20 @@ async function flowchartProblemFilter(displayId: string) {
     : sql`false`
 }
 
+/** 按班级（user.class_name）筛，口径同 submission-statistics.ts 的 classNameFilter */
+async function flowchartClassFilter(className: string) {
+  const users = await db
+    .select({ id: schema.user.id })
+    .from(schema.user)
+    .where(eq(schema.user.className, className))
+  return users.length
+    ? inArray(
+        schema.flowchartSubmission.userId,
+        users.map((row) => row.id),
+      )
+    : sql`false`
+}
+
 async function flowchartUserFilter(username: string) {
   const ids = (await matchedUsers(username)).map((row) => row.id)
   return ids.length ? inArray(schema.flowchartSubmission.userId, ids) : sql`false`
@@ -250,13 +268,15 @@ flowchartRoutes.get("/flowcharts", requireAuth, async (c) => {
     return success(c, { results: [], total: 0 } satisfies FlowchartList)
   }
   // 「只看自己」盖过用户名；普通学生不填用户名时也只看自己
+  const className = c.req.query("className")?.trim()
   const onlyMyself =
-    c.req.query("myself") === "1" || (!username && user.adminType === "Regular User")
+    c.req.query("myself") === "1" || (!username && !className && user.adminType === "Regular User")
   const filters: Array<SQL | undefined> = []
   filters.push(
     ...(await Promise.all([
       displayId ? flowchartProblemFilter(displayId) : undefined,
       !onlyMyself && username ? flowchartUserFilter(username) : undefined,
+      !onlyMyself && className ? flowchartClassFilter(className) : undefined,
     ])),
   )
   if (onlyMyself) filters.push(eq(schema.flowchartSubmission.userId, user.id))
diff --git a/apps/api/src/routes/helpers.ts b/apps/api/src/routes/helpers.ts
index 289a5b2..c845d2f 100644
--- a/apps/api/src/routes/helpers.ts
+++ b/apps/api/src/routes/helpers.ts
@@ -171,3 +171,21 @@ export async function matchedUsers(username: string) {
     .from(schema.user)
     .where(ilike(schema.user.username, `%${username}%`))
 }
+
+/**
+ * 题号框允许一次填几道：`1001,1005,1010`。中英文逗号、空格、分号都当分隔符 ——
+ * 老师在投影前手敲，不该因为打了个全角逗号就查不出来。
+ */
+export function parseDisplayIds(raw: string) {
+  const seen = new Set<string>()
+  const ids: string[] = []
+  for (const part of raw.split(/[,，;；\s]+/)) {
+    const id = part.trim()
+    if (!id) continue
+    const key = id.toLowerCase()
+    if (seen.has(key)) continue
+    seen.add(key)
+    ids.push(id)
+  }
+  return ids
+}
diff --git a/apps/api/src/routes/submission-statistics.ts b/apps/api/src/routes/submission-statistics.ts
index 6b8d420..31965f9 100644
--- a/apps/api/src/routes/submission-statistics.ts
+++ b/apps/api/src/routes/submission-statistics.ts
@@ -21,7 +21,7 @@ import { JudgeStatus, UNJUDGED_RESULTS, type JudgeStatusValue } from "../judge/s
 import { type ContestEnv } from "../services/contest"
 import { getBooleanOption } from "../services/options"
 import { localTime, dayStart } from "../time"
-import { isAdminRole, matchedUsers, rounded, stripClassPrefix } from "./helpers"
+import { isAdminRole, matchedUsers, parseDisplayIds, rounded, stripClassPrefix } from "./helpers"
 
 export const submissionStatisticsRoutes = new Hono<ContestEnv>()
 
@@ -138,24 +138,6 @@ function statisticsRange(c: { req: { query(name: string): string | undefined } }
 /** 一次最多查几道题。课堂上一节课布置三五道，20 是留足了余量的上限 */
 const STATISTICS_MAX_PROBLEMS = 20
 
-/**
- * 题号框允许一次填几道：`1001,1005,1010`。中英文逗号、空格、分号都当分隔符 ——
- * 老师在投影前手敲，不该因为打了个全角逗号就查不出来。
- */
-function parseDisplayIds(raw: string) {
-  const seen = new Set<string>()
-  const ids: string[] = []
-  for (const part of raw.split(/[,，;；\s]+/)) {
-    const id = part.trim()
-    if (!id) continue
-    const key = id.toLowerCase()
-    if (seen.has(key)) continue
-    seen.add(key)
-    ids.push(id)
-  }
-  return ids
-}
-
 /**
  * 按题号（展示用的 _id）定位公开题目。**有一个找不到就整体报错**，不退化成「全部题目」——
  * 否则教师打错一个字就会看到全站数据还以为是这几道题的。
@@ -327,8 +309,27 @@ export async function exactUsernameFilter(username: string) {
   return row ? eq(schema.submission.userId, row.id) : sql`false`
 }
 
+/**
+ * 按班级筛：`user.class_name` 精确匹配。原来列表只能拿用户名前缀（`ks253`）当班级，
+ * 那是「包含」匹配 —— ks253 会顺带捞进 ks2531 这类撞前缀的号，也要老师记得前缀怎么拼。
+ * 查无此班留恒假条件
+ */
+export async function classNameFilter(className: string) {
+  const users = await db
+    .select({ id: schema.user.id })
+    .from(schema.user)
+    .where(eq(schema.user.className, className))
+  return users.length
+    ? inArray(
+        schema.submission.userId,
+        users.map((row) => row.id),
+      )
+    : sql`false`
+}
+
 /**
  * 两条提交列表的题号筛选：先把题号解析成 problem.id，再按 `submission.problem_id` 筛。
+ * 可以一次填几道（`1021,1022`），**任一道**对上就算。
  * 原来是 join problem 之后比 `lower(problem._id)`，条件落在 problem 表上，规划器只能
  * 顺着时间索引倒扫、逐行回表比对，走不上 submission_public_problem_time_idx。
  *
@@ -337,12 +338,15 @@ export async function exactUsernameFilter(username: string) {
  * 查无此题时留恒假条件，少推一个 filter 就成了「不筛」。
  */
 export async function problemFilter(displayId: string, contestId: number | null) {
+  // 一次可以筛几道（「这节课」那颗按钮一带就是五道），分隔符和统计面板同一套
+  const lowered = parseDisplayIds(displayId).map((id) => id.toLowerCase())
+  if (!lowered.length) return sql`false`
   const problems = await db
     .select({ id: schema.problem.id })
     .from(schema.problem)
     .where(
       and(
-        sql`lower(${schema.problem.displayId}) = lower(${displayId})`,
+        inArray(sql`lower(${schema.problem.displayId})`, lowered),
         contestId === null
           ? isNull(schema.problem.contestId)
           : eq(schema.problem.contestId, contestId),
diff --git a/apps/api/src/routes/submission.ts b/apps/api/src/routes/submission.ts
index 56a545e..335417b 100644
--- a/apps/api/src/routes/submission.ts
+++ b/apps/api/src/routes/submission.ts
@@ -13,7 +13,7 @@ import {
 import { and, count, desc, eq, inArray, isNull, sql, type SQL } from "drizzle-orm"
 import { Hono } from "hono"
 
-import { optionalAuth, requireAuth, requireSuperAdmin } from "../auth/middleware"
+import { optionalAuth, requireAuth, requireTeacher } from "../auth/middleware"
 import type { AuthUser } from "../auth/session"
 import { db, schema } from "../db"
 import { failure, parseBody, success } from "../http"
@@ -33,6 +33,7 @@ import { consumeToken } from "../services/throttling"
 import { dayStart } from "../time"
 import { asFilterValue, asRecord, isAdminRole, queryInteger } from "./helpers"
 import {
+  classNameFilter,
   exactUsernameFilter,
   problemFilter,
   submissionStatisticsRoutes,
@@ -208,7 +209,9 @@ submissionRoutes.get("/submissions/today-count", async (c) => {
 
 submissionRoutes.route("/", submissionStatisticsRoutes)
 
-submissionRoutes.post("/submissions/:id/rejudge", requireSuperAdmin, async (c) => {
+// 老师也能重判：旧栈只给超管，前端却一直给老师亮着按钮，老师点了只会「权限不足」。
+// 流程图那边老师本来就能重新评分，两边对齐。比赛提交不在此列（下面 isNull(contestId)）
+submissionRoutes.post("/submissions/:id/rejudge", requireTeacher, async (c) => {
   const [row] = await db
     .select({
       id: schema.submission.id,
@@ -315,6 +318,19 @@ const submissionListColumns = {
     // 只取 id，题单标题按页单独查一次（见 /submissions）——把 problemset 一起 join 进来
     // 会动到下面那条调过的分页查询，而每页最多两三个不同的题单，PK 查一次更便宜
     problemsetId: schema.submission.problemsetId,
+    /**
+     * 通过的测试点数 / 总数，口径同 caseSummary()：只认 info.data 是数组、逐项 result 为 0。
+     * 在库里数完只回两个整数 —— info 带着每个点的 output_md5，整列拉回来只为数个数不值当
+     */
+    casesTotal: sql<
+      number | null
+    >`case when jsonb_typeof(${schema.submission.info} -> 'data') = 'array'
+      then jsonb_array_length(${schema.submission.info} -> 'data') end`,
+    casesPassed: sql<
+      number | null
+    >`case when jsonb_typeof(${schema.submission.info} -> 'data') = 'array'
+      then (select count(*)::int from jsonb_array_elements(${schema.submission.info} -> 'data') as item
+        where item ->> 'result' = '0') end`,
   },
   problem: {
     displayId: schema.problem.displayId,
@@ -335,6 +351,16 @@ function caseSummary(submission: typeof schema.submission.$inferSelect) {
   return { passed, total: data.length }
 }
 
+/** 列表行的 caseSummary：SQL 里数好的两个数，为 null 的情形和详情一致（SQL 题、没有逐点结果） */
+function listCaseSummary(row: {
+  language: string
+  casesTotal: number | null
+  casesPassed: number | null
+}) {
+  if (row.language === "SQL" || !row.casesTotal) return null
+  return { passed: row.casesPassed ?? 0, total: row.casesTotal }
+}
+
 async function submissionDetail(id: string, user: AuthUser) {
   const [row] = await db
     .select({
@@ -490,10 +516,13 @@ submissionRoutes.get("/submissions", optionalAuth, async (c) => {
   const username = myself ? undefined : c.req.query("username")?.trim()
   const result = c.req.query("result")
   const language = c.req.query("language")?.trim()
+  // 班级（user.class_name），和用户名可以同时用：「25计算机3班里名字带『王』的」
+  const className = myself ? undefined : c.req.query("className")?.trim()
   const filters: Array<SQL | undefined> = [isNull(schema.submission.contestId)]
   filters.push(
     ...(await Promise.all([
       displayId ? problemFilter(displayId, null) : undefined,
+      className ? classNameFilter(className) : undefined,
       username
         ? c.req.query("exactUsername") === "1"
           ? exactUsernameFilter(username)
@@ -512,7 +541,8 @@ submissionRoutes.get("/submissions", optionalAuth, async (c) => {
   // （生产快照实测 7.5ms → 78ms）。题号已经解析成 problem_id，也用不着 join。
   const [totalRows, rows] = await Promise.all([
     db.select({ value: count() }).from(schema.submission).where(where),
-    paginateSubmissionRows(where, limit, offset, Boolean(username)),
+    // 班级和用户名一样是「圈一小撮人」，走同一条圈选路（见 paginateSubmissionRows）
+    paginateSubmissionRows(where, limit, offset, Boolean(username || className)),
   ])
   // 闸门只对学生自己的提交生效，所以只拿这一页里属于他自己的题目去查，一页一次查询
   const [joinTimes, problemsetTitles] = await Promise.all([
@@ -550,6 +580,7 @@ submissionRoutes.get("/submissions", optionalAuth, async (c) => {
                   title: problemsetTitles.get(submission.problemsetId)!,
                 }
               : null,
+          caseSummary: listCaseSummary(submission),
         }) satisfies SubmissionListItem,
     ),
     total: totalRows[0]?.value ?? 0,
@@ -617,6 +648,8 @@ submissionRoutes.get(
             // 比赛提交没有来源题单：题单只收非比赛题（admin/problemset.ts 加题时卡了
             // isNull(problem.contestId)），提交接口那边也只在 contestId 为空时才认这个字段
             problemSet: null,
+            // 比赛只报对错，不给通过几个点（口径见契约 caseSummarySchema）
+            caseSummary: null,
           }) satisfies SubmissionListItem,
       ),
       total: totalRows[0]?.value ?? 0,
diff --git a/apps/web/src/oj/submission/components/ButtonWithSearch.vue b/apps/web/src/oj/submission/components/ButtonWithSearch.vue
deleted file mode 100644
index d05b870..0000000
--- a/apps/web/src/oj/submission/components/ButtonWithSearch.vue
+++ /dev/null
@@ -1,53 +0,0 @@
-<script lang="ts" setup>
-import { Icon } from "@iconify/vue"
-import { USERNAME_CLASS_RE } from "utils/constants"
-
-interface Props {
-  type: "题目" | "用户"
-  username?: string
-}
-
-const props = defineProps<Props>()
-
-const emits = defineEmits(["click", "search", "filterClass"])
-
-// 用同一个正则判断，避免 kstest 这类 ks 开头但没有班级号的用户名
-// 也显示出按钮，点了却什么都不发生
-const showFilterClass = computed(() => {
-  return props.type === "用户" && USERNAME_CLASS_RE.test(props.username ?? "")
-})
-
-function filterClass() {
-  const match = props.username!.match(USERNAME_CLASS_RE)
-  const classname = match ? match[0] : ""
-  if (!classname) return
-  emits("filterClass", classname)
-}
-</script>
-<template>
-  <n-flex align="center">
-    <n-button text type="info" @click="$emit('click')">
-      <slot></slot>
-    </n-button>
-    <n-tooltip>
-      <template #trigger>
-        <n-button text @click="$emit('search')">
-          <template #icon>
-            <Icon icon="streamline-emojis:magnifying-glass-tilted-left"></Icon>
-          </template>
-        </n-button>
-      </template>
-      {{ "搜索" + props.type }}
-    </n-tooltip>
-    <n-tooltip v-if="showFilterClass">
-      <template #trigger>
-        <n-button text @click="filterClass">
-          <template #icon>
-            <Icon icon="streamline-emojis:scroll"></Icon>
-          </template>
-        </n-button>
-      </template>
-      筛选班级
-    </n-tooltip>
-  </n-flex>
-</template>
diff --git a/apps/web/src/oj/submission/components/FlowchartLink.vue b/apps/web/src/oj/submission/components/FlowchartLink.vue
deleted file mode 100644
index 04595c9..0000000
--- a/apps/web/src/oj/submission/components/FlowchartLink.vue
+++ /dev/null
@@ -1,31 +0,0 @@
-<template>
-  <n-button v-if="flowchart.showLink" type="info" text @click="handleClick">
-    {{ flowchart.id.slice(0, 12) }}
-  </n-button>
-  <!-- 没权限时不能挂 @click：后端 GET /flowcharts/:id 会以 404 挡下，
-       前端只会得到一个静默失败的空白面板 -->
-  <n-text v-else class="flowchart-id" depth="3">
-    {{ flowchart.id.slice(0, 12) }}
-  </n-text>
-</template>
-<script setup lang="ts">
-import type { FlowchartSubmissionListItem } from "utils/types"
-
-interface Props {
-  flowchart: FlowchartSubmissionListItem
-}
-const props = defineProps<Props>()
-
-const emit = defineEmits<{
-  showDetail: [id: string]
-}>()
-
-// showLink 由后端逐行下发（见 routes/flowchart.ts 的 canView），与
-// GET /flowcharts/:id 的放行条件同源。原来前端自己按「超管或本人」算了一遍，
-// 既漏了教师，也和后端对不上。
-function handleClick() {
-  emit("showDetail", props.flowchart.id)
-}
-</script>
-
-<style scoped></style>
diff --git a/apps/web/src/oj/submission/components/FlowchartScoreDetail.vue b/apps/web/src/oj/submission/components/FlowchartScoreDetail.vue
deleted file mode 100644
index ab2a4d7..0000000
--- a/apps/web/src/oj/submission/components/FlowchartScoreDetail.vue
+++ /dev/null
@@ -1,226 +0,0 @@
-<template>
-  <n-grid v-if="submission" :cols="5" :x-gap="16">
-    <!-- 左侧：流程图预览区域 -->
-    <n-gi :span="3">
-      <n-card title="流程图预览">
-        <template #header-extra>
-          <n-button
-            v-if="!renderError && submission?.mermaidCode"
-            quaternary
-            size="small"
-            @click="showLargeImage = true"
-          >
-            <template #icon>
-              <Icon icon="ph:corners-out" />
-            </template>
-            查看大图
-          </n-button>
-        </template>
-        <div class="flowchart">
-          <n-alert v-if="renderError" type="error" title="流程图渲染失败">
-            {{ renderError }}
-          </n-alert>
-          <Teleport to="body" :disabled="!showLargeImage">
-            <div
-              v-show="!renderError"
-              :class="['flowchart', { 'flowchart-fullscreen': showLargeImage }]"
-              ref="mermaidContainer"
-            ></div>
-            <div v-if="showLargeImage" class="fullscreen-toolbar">
-              <n-button secondary round @click="showLargeImage = false">
-                <template #icon>
-                  <Icon icon="ph:corners-in" />
-                </template>
-                退出大图
-              </n-button>
-            </div>
-          </Teleport>
-        </div>
-      </n-card>
-    </n-gi>
-
-    <!-- 右侧：评分详情区域 -->
-    <n-gi :span="2">
-      <!-- AI反馈 -->
-      <n-card v-if="submission.aiFeedback" size="small" title="AI反馈" style="margin-bottom: 16px">
-        <n-text>{{ submission.aiFeedback }}</n-text>
-      </n-card>
-
-      <!-- 改进建议 -->
-      <n-card
-        v-if="suggestionLines.length"
-        size="small"
-        title="改进建议"
-        style="margin-bottom: 16px"
-      >
-        <n-flex vertical :size="6">
-          <n-text v-for="(suggestion, index) in suggestionLines" :key="`${index}-${suggestion}`">
-            {{ suggestion }}
-          </n-text>
-        </n-flex>
-      </n-card>
-
-      <!-- 详细评分 -->
-      <n-card v-if="sortedCriteria.length > 0" size="small" title="详细评分">
-        <div v-for="[key, detail] in sortedCriteria" :key="key" style="margin-bottom: 12px">
-          <!-- 评分项标题和分数 -->
-          <n-flex justify="space-between" align="center" style="margin-bottom: 4px">
-            <n-text strong>{{ key }}</n-text>
-            <n-tag :type="getPercentType(detail.score / detail.max)" size="small" round>
-              {{ detail.score || 0 }}分 / {{ detail.max }}分
-            </n-tag>
-          </n-flex>
-          <!-- 评分项详细说明 -->
-          <n-text v-if="detail.comment" depth="3" style="font-size: 12px">
-            {{ detail.comment }}
-          </n-text>
-        </div>
-      </n-card>
-    </n-gi>
-  </n-grid>
-  <n-spin v-else :show="loading" class="loading-container"> </n-spin>
-</template>
-
-<script setup lang="ts">
-import { Icon } from "@iconify/vue"
-import type { FlowchartSubmission } from "utils/types"
-import { useMermaid } from "shared/composables/useMermaid"
-import { sortFlowchartCriteria } from "utils/constants"
-
-interface Props {
-  submissionId: string
-}
-
-const props = defineProps<Props>()
-const mermaidContainer = useTemplateRef<HTMLElement>("mermaidContainer")
-const { renderError, renderFlowchart } = useMermaid()
-
-const submission = ref<FlowchartSubmission | null>(null)
-
-/**
- * 评分项明细。契约里是 `Record<string, unknown>` —— 内容是 AI 模型原样吐出的 JSON，
- * 后端不校验形状，所以这里只能按约定断言，字段缺失时用 0 / 空串兜底。
- */
-const criteriaDetails = computed<Record<string, { score: number; max: number; comment: string }>>(
-  () => {
-    const raw = submission.value?.aiCriteriaDetails ?? {}
-    return Object.fromEntries(
-      Object.entries(raw).map(([key, value]) => {
-        const item = (value ?? {}) as Partial<{
-          score: number
-          max: number
-          comment: string
-        }>
-        return [
-          key,
-          {
-            score: item.score ?? 0,
-            max: item.max ?? 0,
-            comment: item.comment ?? "",
-          },
-        ]
-      }),
-    )
-  },
-)
-// jsonb 不保留键序，直接遍历会把 40 分的「逻辑正确性」排到最后
-const sortedCriteria = computed(() => sortFlowchartCriteria(criteriaDetails.value))
-
-const loading = ref(false)
-const rendering = ref(false)
-const showLargeImage = ref(false)
-const suggestionLines = computed(() => splitSuggestionLines(submission.value?.aiSuggestions))
-
-function splitSuggestionLines(suggestions?: string | null) {
-  return suggestions
-    ? suggestions
-        .split("\n")
-        .map((suggestion) => suggestion.trim())
-        .filter(Boolean)
-    : []
-}
-
-function getPercentType(percent: number) {
-  if (percent >= 0.8) return "primary"
-  else if (percent >= 0.6) return "info"
-  else if (percent >= 0.4) return "warning"
-  return "error"
-}
-
-async function loadSubmission() {
-  if (!props.submissionId) return
-  showLargeImage.value = false
-  loading.value = true
-  try {
-    const { getFlowchartSubmission } = await import("oj/api")
-    const res = await getFlowchartSubmission(props.submissionId)
-    submission.value = res
-
-    // 渲染流程图
-    if (submission.value?.mermaidCode) {
-      rendering.value = true
-      await nextTick()
-      await renderFlowchart(mermaidContainer.value, submission.value.mermaidCode)
-      rendering.value = false
-    }
-  } catch (error) {
-    console.error("Failed to load submission:", error)
-  } finally {
-    loading.value = false
-  }
-}
-
-watch(() => props.submissionId, loadSubmission, { immediate: true })
-</script>
-
-<style scoped>
-.flowchart {
-  height: 500px;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-}
-
-/* 全屏大图：覆盖整个视口，脱离弹框宽度限制 */
-.flowchart-fullscreen {
-  position: fixed;
-  inset: 0;
-  z-index: 4000;
-  width: 100vw;
-  height: 100vh;
-  padding: 32px;
-  box-sizing: border-box;
-  background: #ffffff;
-  /* 改为可滚动块布局，超出视口的大图可以滚动查看 */
-  display: block;
-  overflow: auto;
-}
-
-.fullscreen-toolbar {
-  position: fixed;
-  top: 16px;
-  right: 16px;
-  z-index: 4001;
-}
-
-/* 确保 SVG 图表占满容器 */
-:deep(.flowchart > svg) {
-  height: 100%;
-}
-
-/* 全屏时按自然尺寸显示并水平居中，配合容器滚动 */
-:deep(.flowchart-fullscreen > svg) {
-  display: block;
-  margin: 0 auto;
-  width: auto;
-  height: auto;
-  max-width: none;
-}
-
-.loading-container {
-  min-height: 600px;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-}
-</style>
diff --git a/apps/web/src/oj/submission/components/Grade.vue b/apps/web/src/oj/submission/components/Grade.vue
deleted file mode 100644
index c8e4d2d..0000000
--- a/apps/web/src/oj/submission/components/Grade.vue
+++ /dev/null
@@ -1,26 +0,0 @@
-<template>
-  <n-text :type="gradeType(grade)">
-    <span>{{ score }}</span>
-    <span>({{ grade }})</span>
-  </n-text>
-</template>
-<script setup lang="ts">
-import type { Grade } from "utils/types"
-defineProps<{
-  score: number
-  grade: Grade
-}>()
-
-function gradeType(grade: Grade) {
-  return (
-    {
-      "": "default",
-      S: "success",
-      A: "info",
-      B: "warning",
-      C: "error",
-    } as const
-  )[grade]
-}
-</script>
-<style scoped></style>
diff --git a/apps/web/src/oj/submission/components/SubmissionLink.vue b/apps/web/src/oj/submission/components/SubmissionLink.vue
deleted file mode 100644
index fd0aa93..0000000
--- a/apps/web/src/oj/submission/components/SubmissionLink.vue
+++ /dev/null
@@ -1,50 +0,0 @@
-<template>
-  <n-flex v-if="props.submission.showLink" align="center">
-    <n-button text type="info" @click="$emit('showCode')">
-      {{ props.submission.id.slice(0, 12) }}
-    </n-button>
-    <n-tooltip>
-      <template #trigger>
-        <n-button text @click="goto">
-          <template #icon>
-            <Icon icon="catppuccin:folder-debug"></Icon>
-          </template>
-        </n-button>
-      </template>
-      查看测试详情
-    </n-tooltip>
-  </n-flex>
-  <n-flex v-else-if="isOwnSubmission" align="center">
-    <span>{{ props.submission.id.slice(0, 12) }}</span>
-    <n-tooltip>
-      <template #trigger>
-        <n-button text>
-          <template #icon>
-            <Icon icon="catppuccin:lock"></Icon>
-          </template>
-        </n-button>
-      </template>
-      这道题在你已经加入的题单中，只有在题单中完成此题，代码才可见。
-    </n-tooltip>
-  </n-flex>
-  <span v-else>{{ props.submission.id.slice(0, 12) }}</span>
-</template>
-
-<script setup lang="ts">
-import { Icon } from "@iconify/vue"
-import { useUserStore } from "shared/store/user"
-import type { SubmissionListItem } from "utils/types"
-
-interface Props {
-  submission: SubmissionListItem
-}
-const props = defineProps<Props>()
-defineEmits(["showCode"])
-
-const userStore = useUserStore()
-const isOwnSubmission = computed(() => userStore.profile?.user?.id === props.submission.userId)
-
-function goto() {
-  window.open("/submission/" + props.submission.id, "_blank")
-}
-</script>
diff --git a/packages/contract/src/classroom.ts b/packages/contract/src/classroom.ts
index e486091..cc6757c 100644
--- a/packages/contract/src/classroom.ts
+++ b/packages/contract/src/classroom.ts
@@ -136,6 +136,17 @@ export const classBoardSchema = z.object({
   recentLessons: z.number().int(),
 })
 
+/**
+ * 提交列表「这节课」那颗按钮要的：哪个班、这节课是哪几道题。和课堂看板同一套取法
+ * （老师布置过就用布置的，否则按今天同班提交推断），但不带花名册 —— 列表只拿它当筛选条件。
+ * className 为 null = 没指定、最近两小时也没有哪个班在交。
+ */
+export const classLessonSchema = z.object({
+  className: z.string().nullable(),
+  source: z.enum(["teacher", "inferred"]).nullable(),
+  problems: z.array(z.object({ problemDisplayId: z.string(), title: z.string() })),
+})
+
 export type ClassRankItem = z.infer<typeof classRankItemSchema>
 export type ClassUserRank = z.infer<typeof classUserRankSchema>
 export type ClassComparison = z.infer<typeof classComparisonSchema>
@@ -144,6 +155,7 @@ export type ClassComparisonResponse = z.infer<typeof classComparisonResponseSche
 export type ClassActivity = z.infer<typeof classActivitySchema>
 export type ClassLessonRequest = z.infer<typeof classLessonRequestSchema>
 export type ClassBoard = z.infer<typeof classBoardSchema>
+export type ClassLesson = z.infer<typeof classLessonSchema>
 export type ClassBoardProblem = z.infer<typeof classBoardProblemSchema>
 export type ClassBoardStudent = z.infer<typeof classBoardStudentSchema>
 export type ClassBoardCell = z.infer<typeof classBoardCellSchema>
diff --git a/packages/contract/src/submission.ts b/packages/contract/src/submission.ts
index 1d45c52..c7e1805 100644
--- a/packages/contract/src/submission.ts
+++ b/packages/contract/src/submission.ts
@@ -189,6 +189,21 @@ export const createSubmissionResponseSchema = z.object({
   submissionId: z.string(),
 })
 
+/**
+ * 通过了几个测试点，给学生看「离 AC 还差多远」。`info` 只给管理员（每个点带
+ * output_md5），所以这里只算出两个数下发，不放开原文。
+ *
+ * 为 null 的情形：比赛提交（ACM 只报对错，多给通过数等于变相放水，和 AI 提示同口径）、
+ * SQL 题（`judge/run.ts` 遇到被杀的测试点会 break，total 偏小）、没有逐点结果
+ * （待判、编译失败）。
+ */
+export const caseSummarySchema = z
+  .object({
+    passed: z.number().int(),
+    total: z.number().int(),
+  })
+  .nullable()
+
 export const submissionDetailSchema = z.object({
   id: z.string(),
   createTime: z.string(),
@@ -210,20 +225,8 @@ export const submissionDetailSchema = z.object({
    */
   problemDisplayId: z.string(),
   showLink: z.boolean(),
-  /**
-   * 通过了几个测试点，给学生看「离 AC 还差多远」。`info` 只给管理员（每个点带
-   * output_md5），所以这里只算出两个数下发，不放开原文。
-   *
-   * 为 null 的情形：比赛提交（ACM 只报对错，多给通过数等于变相放水，和 AI 提示同口径）、
-   * SQL 题（`judge/run.ts` 遇到被杀的测试点会 break，total 偏小）、没有逐点结果
-   * （待判、编译失败）。
-   */
-  caseSummary: z
-    .object({
-      passed: z.number().int(),
-      total: z.number().int(),
-    })
-    .nullable(),
+  /** 通过了几个测试点，口径见 caseSummarySchema */
+  caseSummary: caseSummarySchema,
 })
 
 /**
@@ -277,6 +280,11 @@ export const submissionListItemSchema = z.object({
    * 回填的就是这些，其余老提交无从判断入口，一律留空。
    */
   problemSet: z.object({ id: z.number().int(), title: z.string() }).nullable(),
+  /**
+   * 通过了几个测试点，和详情同一个口径（见 caseSummarySchema）。列表上老师一眼要分出
+   * 「差一个点」和「一个都没过」，不必逐条点开。
+   */
+  caseSummary: caseSummarySchema,
 })
 
 export const submissionListSchema = paginatedSchema(submissionListItemSchema)