fix(流程图): 老提交重新评分后四项明细全显示「0 / 0」

老办法（四项打总分）的 prompt 只写了 "criteria_details":{}，模型换成 deepseek-flash
之后直接给 {"逻辑正确性": 32} 这样的裸数字，详情页读不到 score / max。prompt 里把
四项的形状写全，存之前按 { score, max, comment } 收好（缺满分按 40/30/20/10 补）；
0036 把线上已经存进去的 4 条改回来。

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

apps/api/src/db/0036_fix_flowchart_criteria_numbers.sql

@@ -0,0 +1,32 @@
+-- 流程图老办法（四项打总分）的明细，模型有时给成 {"逻辑正确性": 32, ...} 这样的裸数字，
+-- 提交详情读不到 score / max，四项全显示「0 / 0」。2026-10-19 重新评分老提交时线上撞上 4 条
+-- （模型换成 deepseek-flash 之后）。裸数字改成 { score, max, comment }，满分按 40 / 30 / 20 / 10；
+-- 本来就是对象的项原样不动。新评的由 flowchart/run.ts 的 normalizeCriteria 收好再存。
+UPDATE "flowchart_submission" AS target
+SET "ai_criteria_details" = fixed.details
+FROM (
+  SELECT f."id",
+    jsonb_object_agg(
+      e.key,
+      CASE
+        WHEN jsonb_typeof(e.value) = 'number' THEN jsonb_build_object(
+          'score', e.value,
+          'max', CASE e.key
+            WHEN '逻辑正确性' THEN 40
+            WHEN '完整性' THEN 30
+            WHEN '规范性' THEN 20
+            WHEN '清晰度' THEN 10
+            ELSE 100
+          END,
+          'comment', ''
+        )
+        ELSE e.value
+      END
+    ) AS details
+  FROM "flowchart_submission" f, jsonb_each(f."ai_criteria_details") e
+  WHERE NOT f."ai_criteria_details" ? 'version'
+    AND jsonb_typeof(f."ai_criteria_details") = 'object'
+  GROUP BY f."id"
+  HAVING bool_or(jsonb_typeof(e.value) = 'number')
+) AS fixed
+WHERE target."id" = fixed."id";

apps/api/src/db/meta/_journal.json

@@ -253,6 +253,13 @@
       "when": 1792130722120,
       "tag": "0035_recount_solved_metrics",
       "breakpoints": true
+    },
+    {
+      "idx": 36,
+      "version": "7",
+      "when": 1792415463343,
+      "tag": "0036_fix_flowchart_criteria_numbers",
+      "breakpoints": true
     }
   ]
 }

apps/api/src/flowchart/run.ts

@@ -163,11 +163,36 @@ function evaluationPrompt(problem: Problem) {
   return `你是专业的编程教学助手，负责评估学生的 Mermaid 流程图。
 评分：逻辑正确性40分、完整性30分、规范性20分、清晰度10分。
 不要评价系统生成的节点ID。feedback不超过100字；suggestions最多3条且只针对真实问题。
-返回纯 JSON：{"score":85,"grade":"A","feedback":"...","suggestions":"...","criteria_details":{}}。
+返回纯 JSON：{"score":85,"grade":"A","feedback":"...","suggestions":"...","criteria_details":{"逻辑正确性":{"score":34,"max":40,"comment":"..."},"完整性":{"score":26,"max":30,"comment":"..."},"规范性":{"score":17,"max":20,"comment":"..."},"清晰度":{"score":8,"max":10,"comment":"..."}}}。
 等级：S=90-100，A=80-89，B=70-79，C=0-69。
 题目：${problem.title}\n${problem.description.slice(0, 2000)}`
 }
 
+const CRITERIA_MAX: Record<string, number> = { 逻辑正确性: 40, 完整性: 30, 规范性: 20, 清晰度: 10 }
+
+/**
+ * 四项明细收成 `{ 项名: { score, max, comment } }`，提交详情和统计都按这个形状读。
+ * 原来 prompt 里只写了 `"criteria_details":{}`，模型有时直接给 `"逻辑正确性": 34`，
+ * 存进去页面上四项全是「0 / 0」（2026-10 重新评分老提交时撞上的）。缺 max 的按满分表补
+ */
+function normalizeCriteria(raw: unknown) {
+  return Object.fromEntries(
+    Object.entries(asRecord(raw)).map(([key, value]) => {
+      const item = asRecord(value)
+      const score = typeof value === "number" ? value : Number(item.score)
+      const max = Number(item.max)
+      return [
+        key,
+        {
+          score: Number.isFinite(score) ? score : 0,
+          max: Number.isFinite(max) && max > 0 ? max : (CRITERIA_MAX[key] ?? 100),
+          comment: typeof item.comment === "string" ? item.comment : "",
+        },
+      ]
+    }),
+  )
+}
+
 function parseEvaluation(value: string): Evaluation {
   const block = value.match(/```(?:json)?\s*([\s\S]*?)```/)?.[1]
   const json = block ?? value.match(/\{[\s\S]*\}/)?.[0]
@@ -181,7 +206,7 @@ function parseEvaluation(value: string): Evaluation {
     grade: gradeForScore(score),
     feedback: typeof data.feedback === "string" ? data.feedback : "",
     suggestions: typeof data.suggestions === "string" ? data.suggestions : "",
-    criteria: asRecord(data.criteria_details),
+    criteria: normalizeCriteria(data.criteria_details),
   }
 }
 

apps/api/src/routes/classroom.ts

@@ -21,6 +21,7 @@ import { getLoginWindow } from "../auth/session"
 import { presenceOf } from "../collab/state"
 import { db, schema } from "../db"
 import { failure, parseBody, success } from "../http"
+import { isAccepted } from "../judge/status"
 import {
   activityRows,
   classMemberIds,
@@ -455,7 +456,7 @@ classroomRoutes.get("/classroom/board", requireTeacher, async (c) => {
   // 「来了几次」代码和流程图合起来数：那天只画了流程图的也算来过，和 recentDays 同一个口径
   const recentActivity = activityRows({ since: windowStart, users: userIds })
   const localDay = sql<string>`to_char(${localTime(recentActivity.createTime)}, 'YYYY-MM-DD')`
-  const [cells, lastSubmits, lastDrawn, attendance, drawn, latests, seen] = await Promise.all([
+  const [cells, lastSubmits, lastDrawn, attendance, drawn, todays, seen] = await Promise.all([
     ids.length && userIds.length
       ? db
           .select({
@@ -548,16 +549,17 @@ classroomRoutes.get("/classroom/board", requireTeacher, async (c) => {
           .groupBy(schema.flowchartSubmission.userId, schema.flowchartSubmission.problemId)
       : [],
     /**
-     * 每人每题今天最后一次代码提交：没做对的格子靠它点开讲错误、按错法归堆。
+     * 每人每题今天交的每一次代码，从早到晚。最后一次给没做对的格子点开讲错误、按错法归堆，
-     * 范围和 cells 一样（非比赛、布置的语言），只多一个「今天」
+     * 整串给做对了的格子看轨迹。范围和 cells 一样（非比赛、布置的语言），只多一个「今天」
      */
     ids.length && userIds.length
       ? db
-          .selectDistinctOn([schema.submission.userId, schema.submission.problemId], {
+          .select({
             userId: schema.submission.userId,
             problemId: schema.submission.problemId,
             id: schema.submission.id,
             result: schema.submission.result,
+            createTime: schema.submission.createTime,
             runtimeError: sql<
               StatisticInfo["runtime_error"] | null
             >`${schema.submission.statisticInfo}->'runtime_error'`,
@@ -575,15 +577,11 @@ classroomRoutes.get("/classroom/board", requireTeacher, async (c) => {
               lessonLanguageFilter(lesson.language),
             ),
           )
-          .orderBy(
+          .orderBy(schema.submission.createTime)
-            schema.submission.userId,
-            schema.submission.problemId,
-            desc(schema.submission.createTime),
-          )
       : [],
     seenToday(userIds),
   ])
-  const latestByKey = new Map(latests.map((row) => [`${row.userId}:${row.problemId}`, row]))
+  const todayByKey = Map.groupBy(todays, (row) => `${row.userId}:${row.problemId}`)
   const cellByKey = new Map(cells.map((row) => [`${row.userId}:${row.problemId}`, row]))
   const drawnByKey = new Map(drawn.map((row) => [`${row.userId}:${row.problemId}`, row]))
   const lastByUser = new Map(lastSubmits.map((row) => [row.userId, row.lastAt]))
@@ -623,7 +621,12 @@ classroomRoutes.get("/classroom/board", requireTeacher, async (c) => {
             const cell = cellByKey.get(key)
             const flow = drawnByKey.get(key)
             const acceptedAt = earliest(cell?.firstAcceptedAt, flow?.firstPassedAt)
-            const latest = acceptedAt ? undefined : latestByKey.get(key)
+            const today = todayByKey.get(key) ?? []
+            const latest = acceptedAt ? undefined : today.at(-1)
+            const firstTry =
+              acceptedAt && Date.parse(acceptedAt) >= Date.parse(start)
+                ? today.findIndex((row) => isAccepted(row.result))
+                : -1
             return {
               status: !cell && !flow ? "none" : acceptedAt ? "accepted" : "tried",
               attempts: (cell?.attempts ?? 0) + (flow?.attempts ?? 0),
@@ -638,6 +641,14 @@ classroomRoutes.get("/classroom/board", requireTeacher, async (c) => {
                     sampleCheck: latest.sampleCheck ?? undefined,
                   }
                 : null,
+              trail: acceptedAt
+                ? today.map((row) => ({
+                    id: row.id,
+                    result: row.result,
+                    createTime: row.createTime,
+                  }))
+                : [],
+              acceptedTry: firstTry >= 0 ? firstTry + 1 : null,
             }
           }),
           lastSubmitAt: lastByUser.get(student.userId) ?? null,

apps/web/src/oj/classroom/board.vue

@@ -16,12 +16,14 @@ import type { ClassBoard, ClassBoardCell, ClassBoardProblem, ClassBoardStudent }
 import ExplainModal, { type ExplainPerson } from "./components/ExplainModal.vue"
 import LeaveModal from "./components/LeaveModal.vue"
 import LessonForm from "./components/LessonForm.vue"
+import TrailPanel from "./components/TrailPanel.vue"
 import { errorKind, type ErrorKind } from "utils/errorKind"
 import {
   cellStyle as cellStyleOf,
   cellText,
   cellTitle as cellTitleOf,
   STUCK_ATTEMPTS,
+  trailSummary,
 } from "./boardCells"
 
 /**
@@ -378,6 +380,22 @@ const cellStyle = (cell: ClassBoardCell) => cellStyleOf(cell, board.value?.day,
 const cellTitle = (cell: ClassBoardCell, student: ClassBoardStudent) =>
   cellTitleOf(cell, student, board.value?.day)
 
+/**
+ * 点开着轨迹的那个格子（学生 id:第几道题）。做对了、今天交过代码的格子点了不再直接去提交列表，
+ * 先在格子下面看他是怎么一次次做对的，列表在弹出来的那块里
+ */
+const trailKey = ref<string | null>(null)
+
+function toggleTrail(key: string) {
+  trailKey.value = trailKey.value === key ? null : key
+}
+
+/** 点到别的格子时，那边自己会换过去；这里只管点到空白处收起 */
+function trailOutside(event: MouseEvent) {
+  if ((event.target as Element | null)?.closest(".cell")) return
+  trailKey.value = null
+}
+
 /**
  * 点格子 / 名字到提交列表看他今天交的。新标签打开：看板一般开着不关，别把它顶掉。
  * 用户名按整名匹配（学号互相包含是常态，ks24a1 会混进 ks24a10）。
@@ -520,10 +538,19 @@ function lastText(student: ClassBoardStudent) {
 
         <section v-if="selectedIndex >= 0" class="panel">
           <div class="panel-head">
-            <b class="panel-title">
+            <a
+              class="panel-title"
+              :href="
+                router.resolve({
+                  name: 'problem',
+                  params: { problemID: board.problems[selectedIndex]!.problemDisplayId },
+                }).href
+              "
+              target="_blank"
+            >
               <span class="muted">{{ board.problems[selectedIndex]!.problemDisplayId }}</span>
               {{ board.problems[selectedIndex]!.title }}
-            </b>
+            </a>
             <span>
               错着的 <b class="wrong">{{ problemStats[selectedIndex]!.wrong }}</b> 人
             </span>
@@ -688,6 +715,35 @@ function lastText(student: ClassBoardStudent) {
                   >
                     {{ cellText(cell) }}
                   </button>
+                  <n-popover
+                    v-else-if="cell.trail.length"
+                    :show="trailKey === `${student.userId}:${i}`"
+                    trigger="manual"
+                    placement="bottom-start"
+                    :style="{ width: '620px', maxWidth: 'calc(100vw - 32px)' }"
+                    @clickoutside="trailOutside"
+                  >
+                    <template #trigger>
+                      <button
+                        type="button"
+                        class="cell"
+                        :class="{ picked: trailKey === `${student.userId}:${i}` }"
+                        :style="cellStyle(cell)"
+                        :title="cellTitle(cell, student)"
+                        @click="toggleTrail(`${student.userId}:${i}`)"
+                      >
+                        {{ cellText(cell) }}
+                      </button>
+                    </template>
+                    <TrailPanel
+                      :username="student.username"
+                      :problem="board.problems[i]!"
+                      :cell="cell"
+                      :summary="trailSummary(cell, board.day)"
+                      :list-href="submissionsHref(student, board.problems[i], false)"
+                      @close="trailKey = null"
+                    />
+                  </n-popover>
                   <a
                     v-else-if="cell.attempts"
                     class="cell"
@@ -941,6 +997,13 @@ function lastText(student: ClassBoardStudent) {
 
 .panel-title {
   font-size: 16px;
+  font-weight: 600;
+  color: inherit;
+  text-decoration: none;
+}
+
+.panel-title:hover {
+  color: v-bind("theme.primaryColor");
 }
 
 .groups {
@@ -1157,6 +1220,10 @@ a.cell {
   cursor: pointer;
 }
 
+.cell.picked {
+  box-shadow: 0 0 0 2px v-bind("theme.textColor1");
+}
+
 .num {
   font-variant-numeric: tabular-nums;
 }

apps/web/src/oj/classroom/boardCells.ts

@@ -15,8 +15,9 @@ export function acceptedToday(cell: ClassBoardCell, day: string | undefined) {
   return !!cell.acceptedAt && parseTime(cell.acceptedAt, "YYYY-MM-DD") === day
 }
 
+/** 做对了的写第几次做对：「✓ 9」是今天第 9 次才对，一次就对的、以前就对了的还是「✓」 */
 export function cellText(cell: ClassBoardCell) {
-  if (cell.status === "accepted") return "✓"
+  if (cell.status === "accepted") return (cell.acceptedTry ?? 1) > 1 ? `✓ ${cell.acceptedTry}` : "✓"
   if (cell.status === "tried") return cell.attempts ? `✗ ${cell.attempts}` : "✗"
   return ""
 }
@@ -62,3 +63,13 @@ export function cellTitle(
   }
   return ""
 }
+
+/** 点开做对的格子，方块串旁边那句 */
+export function trailSummary(cell: ClassBoardCell, day: string | undefined) {
+  const total = cell.trail.length
+  if (cell.acceptedTry === 1) return total === 1 ? "一次就做对" : `交了 ${total} 次，第 1 次就做对`
+  if (cell.acceptedTry) return `交了 ${total} 次，第 ${cell.acceptedTry} 次做对`
+  return acceptedToday(cell, day)
+    ? `今天交了 ${total} 次代码`
+    : `以前就做对了，今天又交了 ${total} 次`
+}

apps/web/src/oj/classroom/components/TrailPanel.vue

@@ -0,0 +1,228 @@
+<script setup lang="ts">
+import { Icon } from "@iconify/vue"
+import { useThemeVars } from "naive-ui"
+import { useTone } from "shared/composables/tone"
+import UserName from "shared/components/UserName.vue"
+import { attemptTone, cachedSubmission } from "oj/statistics/attempts"
+import { JUDGE_STATUS, LANGUAGE_FORMAT_VALUE } from "utils/constants"
+import { parseTime } from "utils/functions"
+import type { ClassBoardCell, ClassBoardProblem, Submission } from "utils/types"
+
+/**
+ * 点开一个做对了的格子：他这道题今天交的每一次，一格一次、从早到晚，下面是停着的那一次的代码
+ * （设计稿「课堂看板重设计」· 做对的格子也看得到轨迹）。
+ *
+ * 默认停在做对前最后错的那一次 —— 要讲的一般是「他最后是改了哪儿才对的」。
+ * 停上去就换，不用点：老师在几格之间来回比；点也行（手机上没有悬停）
+ */
+const props = defineProps<{
+  username: string
+  problem: ClassBoardProblem
+  cell: ClassBoardCell
+  summary: string
+  /** 「在提交列表看这 N 次」：和格子原来点进去的是同一个列表 */
+  listHref: string
+}>()
+defineEmits<{ close: [] }>()
+
+const tone = useTone()
+const theme = useThemeVars()
+
+const picked = ref(
+  props.cell.acceptedTry
+    ? Math.max(props.cell.acceptedTry - 2, 0)
+    : Math.max(props.cell.trail.length - 1, 0),
+)
+const item = computed(() => props.cell.trail[picked.value] ?? props.cell.trail.at(-1))
+
+const code = reactive<Record<string, Submission | "loading" | "failed">>({})
+watch(
+  () => item.value?.id,
+  async (id) => {
+    if (!id || (code[id] && code[id] !== "failed")) return
+    code[id] = "loading"
+    try {
+      code[id] = await cachedSubmission(id)
+    } catch {
+      code[id] = "failed"
+    }
+  },
+  { immediate: true },
+)
+const shown = computed(() => {
+  const value = item.value && code[item.value.id]
+  return typeof value === "object" ? value : null
+})
+
+const squares = computed(() =>
+  props.cell.trail.map((row) => ({
+    ...row,
+    color: tone(attemptTone(row.result)).solid,
+  })),
+)
+</script>
+
+<template>
+  <div class="trail">
+    <div class="head">
+      <UserName :username="username" />
+      <span class="problem">
+        <b>{{ problem.problemDisplayId }}</b>
+        <span class="muted">{{ problem.title }}</span>
+      </span>
+      <div class="spacer"></div>
+      <n-button quaternary size="tiny" aria-label="收起" @click="$emit('close')">
+        <template #icon><Icon icon="ph:x-bold" /></template>
+      </n-button>
+    </div>
+
+    <div class="line">
+      <div class="squares">
+        <button
+          v-for="(row, index) in squares"
+          :key="row.id"
+          type="button"
+          class="square"
+          :class="{ on: index === picked }"
+          :style="{ background: row.color }"
+          :aria-label="`第 ${index + 1} 次：${JUDGE_STATUS[row.result]?.name ?? ''}`"
+          @mouseenter="picked = index"
+          @click="picked = index"
+        ></button>
+      </div>
+      <span class="summary">{{ summary }}</span>
+    </div>
+
+    <div v-if="item" class="code">
+      <div class="code-head">
+        <b :style="{ color: tone(attemptTone(item.result)).color }">
+          {{ JUDGE_STATUS[item.result]?.name }}
+        </b>
+        <span class="muted"
+          >{{ parseTime(item.createTime, "HH:mm") }} · 第 {{ picked + 1 }} 次</span
+        >
+      </div>
+      <n-code
+        v-if="shown"
+        class="code-body"
+        :code="shown.code"
+        :language="LANGUAGE_FORMAT_VALUE[shown.language]"
+        show-line-numbers
+      />
+      <span v-else-if="code[item.id] === 'failed'" class="muted">代码没拉下来，点下面打开看</span>
+      <span v-else class="muted">代码加载中…</span>
+    </div>
+
+    <div class="links">
+      <a v-if="item" :href="`/submission/${item.id}`" target="_blank">打开这次提交 ↗</a>
+      <a :href="listHref" target="_blank">在提交列表看这 {{ cell.trail.length }} 次 ↗</a>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.trail {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+  font-size: 14px;
+}
+
+.head {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  min-width: 0;
+  font-size: 15px;
+  white-space: nowrap;
+}
+
+.problem {
+  display: flex;
+  gap: 6px;
+  min-width: 0;
+  font-size: 14px;
+}
+
+.problem .muted {
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.spacer {
+  flex: 1;
+}
+
+.line {
+  display: flex;
+  align-items: center;
+  gap: 14px;
+}
+
+.squares {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+}
+
+.square {
+  flex: none;
+  width: 22px;
+  height: 22px;
+  padding: 0;
+  border: 0;
+  border-radius: 4px;
+  cursor: pointer;
+}
+
+.square.on {
+  box-shadow:
+    0 0 0 2px v-bind("theme.cardColor"),
+    0 0 0 4px v-bind("theme.textColor1");
+}
+
+.summary {
+  white-space: nowrap;
+  font-variant-numeric: tabular-nums;
+  color: v-bind("theme.textColor2");
+}
+
+.code {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+  padding: 10px 12px;
+  border-radius: 6px;
+  background: v-bind("theme.actionColor");
+}
+
+.code-head {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+
+.code-body {
+  max-height: 320px;
+  overflow: auto;
+  font-size: 15px;
+}
+
+.links {
+  display: flex;
+  gap: 18px;
+}
+
+.links a {
+  color: v-bind("theme.primaryColor");
+  text-decoration: none;
+}
+
+.links a:hover {
+  text-decoration: underline;
+}
+
+.muted {
+  color: v-bind("theme.textColor3");
+}
+</style>

apps/web/src/oj/statistics/attempts.ts

@@ -0,0 +1,40 @@
+import { getSubmission } from "oj/api"
+import { SubmissionStatus } from "utils/constants"
+import type { Submission } from "utils/types"
+import type { Tone } from "shared/composables/tone"
+
+/**
+ * 一次提交一格的那串方块（统计页的 AttemptSquares、课堂看板做对格子的轨迹）共用的两样：
+ * 方块的颜色，和停上去看代码时拉的提交。
+ */
+
+/** 对了绿；编译失败、运行时错误、语法规则没过、部分通过橙；判题中蓝；其余红 */
+export function attemptTone(result: number): Tone {
+  if (result === SubmissionStatus.accepted) return "success"
+  if (
+    result === SubmissionStatus.compile_error ||
+    result === SubmissionStatus.runtime_error ||
+    result === SubmissionStatus.ast_check_failed ||
+    result === SubmissionStatus.partial_accepted
+  ) {
+    return "warning"
+  }
+  if (result === SubmissionStatus.pending || result === SubmissionStatus.judging) return "info"
+  return "error"
+}
+
+/**
+ * 代码按提交 id 缓存，整页共用：交了就不会再变，老师在一排方块之间来回对比时
+ * 不用每次都等网络。失败的不进缓存，下次停上去再试。
+ */
+const codeCache = new Map<string, Promise<Submission>>()
+
+export function cachedSubmission(id: string) {
+  let hit = codeCache.get(id)
+  if (!hit) {
+    hit = getSubmission(id)
+    hit.catch(() => codeCache.delete(id))
+    codeCache.set(id, hit)
+  }
+  return hit
+}

apps/web/src/oj/statistics/components/AttemptSquares.vue

@@ -1,20 +1,10 @@
-<script lang="ts">
-import type { Submission } from "utils/types"
-
-/**
- * 代码按提交 id 缓存，整页共用：交了就不会再变，老师在一排方块之间来回对比时
- * 不用每次都等网络。失败的不进缓存，下次停上去再试。
- */
-const codeCache = new Map<string, Submission>()
-</script>
-
 <script setup lang="ts">
 import { useThemeVars } from "naive-ui"
-import { getSubmission } from "oj/api"
+import { JUDGE_STATUS, LANGUAGE_FORMAT_VALUE } from "utils/constants"
-import { JUDGE_STATUS, LANGUAGE_FORMAT_VALUE, SubmissionStatus } from "utils/constants"
 import { parseTime } from "utils/functions"
-import type { SUBMISSION_RESULT } from "utils/types"
+import type { Submission, SUBMISSION_RESULT } from "utils/types"
-import { useTone, type Tone } from "shared/composables/tone"
+import { useTone } from "shared/composables/tone"
+import { attemptTone, cachedSubmission } from "../attempts"
 
 /**
  * 一个人在一道题上的每一次提交，一格一次、从早到晚（设计稿「统计重设计」）。
@@ -31,34 +21,13 @@ const props = withDefaults(
 const tone = useTone()
 const theme = useThemeVars()
 
-function toneOf(result: number): Tone {
-  if (result === SubmissionStatus.accepted) return "success"
-  if (
-    result === SubmissionStatus.compile_error ||
-    result === SubmissionStatus.runtime_error ||
-    result === SubmissionStatus.ast_check_failed ||
-    result === SubmissionStatus.partial_accepted
-  ) {
-    return "warning"
-  }
-  if (result === SubmissionStatus.pending || result === SubmissionStatus.judging) return "info"
-  return "error"
-}
-
 const code = reactive<Record<string, Submission | "loading" | "failed">>({})
 
 async function load(id: string) {
-  const hit = codeCache.get(id)
+  if (code[id] && code[id] !== "failed") return
-  if (hit) {
-    code[id] = hit
-    return
-  }
-  if (code[id] === "loading") return
   code[id] = "loading"
   try {
-    const res = await getSubmission(id)
+    code[id] = await cachedSubmission(id)
-    codeCache.set(id, res)
-    code[id] = res
   } catch {
     code[id] = "failed"
   }
@@ -72,7 +41,7 @@ const cells = computed(() =>
   props.items.map((item, index) => ({
     ...item,
     index: index + 1,
-    color: tone(toneOf(item.result)).solid,
+    color: tone(attemptTone(item.result)).solid,
   })),
 )
 </script>

packages/contract/src/classroom.ts

@@ -121,6 +121,13 @@ export const classBoardCellSchema = z.object({
       sampleCheck: statisticInfoSchema.shape.sample_check,
     })
     .nullable(),
+  /**
+   * 做对了的格子：今天交的每一次代码，从早到晚（范围和 latest 一样）。点格子看他是怎么一次次
+   * 做对的，停在哪一次看哪次的代码。没做对的为空 —— 那边点开是讲错误，靠 latest
+   */
+  trail: z.array(z.object({ id: z.string(), result: judgeStatusSchema, createTime: z.string() })),
+  /** 今天第几次代码提交做对的，1 = 一次就对；今天之前就做对了、今天没靠代码做对的为 null */
+  acceptedTry: z.number().int().nullable(),
 })
 
 export const classBoardStudentSchema = z.object({