refactor(出题页): 编程题和 SQL 题两个出题页抄了两份的零件收到一处

admin/problem/components/problemForm.ts：判空富文本 isBlankHtml（原来三份，CodePreview 里还有
一份）、难度选项、返回列表的路由、保存失败的提示、标签超长校验、新建页的草稿
（useCreateDraft：停 0.8 秒存、什么都没填就清、编辑页不存）。

纯搬家。新建 / 编辑 × 编程 / SQL 四个页面改前改后整页截图逐像素一致；两种新建页填个
标题、刷新能恢复，「清空草稿」之后本地存储清掉。

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

apps/web/src/admin/components/AuthorSelect.vue

@@ -9,7 +9,7 @@
 </template>
 
 <script setup lang="ts">
-import { getAuthors } from "oj/api"
+import { getAuthors } from "shared/api"
 
 interface Props {
   all?: boolean

apps/web/src/admin/problem/SqlDetail.vue

@@ -1,8 +1,7 @@
 <script setup lang="ts">
 import { EditorView } from "@codemirror/view"
-import { PROBLEM_TAG_MAX_LENGTH, TEST_CASE_MAX_CASES } from "@oj2/contract"
+import { TEST_CASE_MAX_CASES } from "@oj2/contract"
 import Markdown from "shared/components/Markdown.vue"
-import { StorageSerializers } from "@vueuse/core"
 import { useThemeVars } from "naive-ui"
 import PageHeader from "admin/components/PageHeader.vue"
 import ProblemTypeTag from "oj/problem/components/ProblemTypeTag.vue"
@@ -24,6 +23,15 @@ import {
   previewSQLTestcase,
   uploadTestcases,
 } from "../api"
+import {
+  cleanTags,
+  difficultyOptions,
+  isBlankHtml,
+  problemListRoute,
+  saveErrorText,
+  tagTooLongText,
+  useCreateDraft,
+} from "./components/problemForm"
 import {
   explainSqlError,
   groupSummary,
@@ -94,13 +102,6 @@ const blankForm = (): SqlForm => ({
 
 const form = reactive<SqlForm>(blankForm())
 
-/** 富文本编辑器清空之后留下的是一个空段落，不是空串 */
-const isBlankHtml = (html: string) => !html.trim() || html === "<p><br></p>"
-
-const difficultyOptions = (["Low", "Mid", "High"] as const).map((value) => ({
-  label: DIFFICULTY[value],
-  value,
-}))
 const testCase = reactive({ id: "", score: [] as Testcase[] })
 
 let nextKey = 0
@@ -118,28 +119,17 @@ const showMore = ref(false)
 const ready = ref(false)
 
 // 新建时存草稿：出一道 SQL 题要写好几段脚本，误关页面全没了太亏
-// 初值是 null 时 VueUse 推不出类型，会拿 String() 存成 "[object Object]"，得显式指定
-const draft = useLocalStorage<{ form: SqlForm; scripts: string[] } | null>(
-  STORAGE_KEY.ADMIN_SQL_PROBLEM,
-  null,
-  { serializer: StorageSerializers.object },
-)
-
-watchDebounced(
-  () => [form, groups.value.map((g) => g.sql)] as const,
-  () => {
-    if (!ready.value || !isCreate.value) return
-    const scripts = groups.value.map((g) => g.sql)
-    const empty =
-      !form._id &&
-      !form.title &&
-      isBlankHtml(form.description) &&
-      !form.answer &&
-      !scripts.some(Boolean)
-    draft.value = empty ? null : { form: { ...form }, scripts }
-  },
-  { debounce: 800, deep: true },
-)
+const draft = useCreateDraft<{ form: SqlForm; scripts: string[] }>(STORAGE_KEY.ADMIN_SQL_PROBLEM, {
+  source: () => [form, groups.value.map((g) => g.sql)] as const,
+  enabled: () => ready.value && isCreate.value,
+  empty: () =>
+    !form._id &&
+    !form.title &&
+    isBlankHtml(form.description) &&
+    !form.answer &&
+    !groups.value.some((g) => g.sql),
+  take: () => ({ form: { ...form }, scripts: groups.value.map((g) => g.sql) }),
+})
 
 function clearDraft() {
   draft.value = null
@@ -212,12 +202,9 @@ const tagOptions = computed(() =>
 )
 
 function onTagsChange(tags: string[]) {
-  const tooLong = tags.find((t) => t.length > PROBLEM_TAG_MAX_LENGTH)
-  if (tooLong) {
-    message.error(`标签最多 ${PROBLEM_TAG_MAX_LENGTH} 个字：${tooLong}`)
-    return
-  }
-  form.tags = unique(tags.map((t) => t.trim()).filter(Boolean))
+  const cleaned = cleanTags(tags)
+  if ("tooLong" in cleaned) message.error(tagTooLongText(cleaned.tooLong))
+  else form.tags = cleaned.tags
 }
 
 // ---------------------------------------------------------------- 测试数据：自动重跑
@@ -415,25 +402,15 @@ async function save() {
     } else {
       message.success("保存好了")
     }
-    router.push(
-      props.contestID
-        ? { name: "admin contest problem list", params: { contestID: props.contestID } }
-        : { name: "admin problem list" },
-    )
+    router.push(problemListRoute(props.contestID))
   } catch (err) {
-    message.error(
-      errorCode(err) === "display-id-exists" ? "显示编号重复了，换一个" : errorMessage(err),
-    )
+    message.error(saveErrorText(err))
   } finally {
     saving.value = false
   }
 }
 
-const backTo = computed(() =>
-  props.contestID
-    ? { name: "admin contest problem list", params: { contestID: props.contestID } }
-    : { name: "admin problem list" },
-)
+const backTo = computed(() => problemListRoute(props.contestID))
 
 onMounted(async () => {
   getProblemTagList().then((res) => (tagList.value = res))

apps/web/src/admin/problem/components/CodePreview.vue

@@ -7,6 +7,7 @@ import { getTagColor } from "utils/functions"
 import type { AstRules, BlankProblem, LANGUAGE } from "utils/types"
 import type { AstCheckState, FlowchartMode, PreviewTab } from "./editorTypes"
 import type { TemplateParts } from "./codeTemplate"
+import { isBlankHtml } from "./problemForm"
 
 const CodeEditor = defineAsyncComponent(() => import("shared/components/CodeEditor.vue"))
 
@@ -41,8 +42,6 @@ const emit = defineEmits<{ renderState: [ok: boolean]; collapse: [] }>()
 
 const theme = useThemeVars()
 
-const isBlankHtml = (html: string) => !html.trim() || html === "<p><br></p>"
-
 // ---------------------------------------------------------------- 语法要求
 
 const KIND_TAG_TYPE = { require: "success", forbid: "error", count: "info" } as const

apps/web/src/admin/problem/components/problemForm.ts

@@ -0,0 +1,66 @@
+import { PROBLEM_TAG_MAX_LENGTH } from "@oj2/contract"
+import { StorageSerializers, useLocalStorage, watchDebounced } from "@vueuse/core"
+import type { WatchSource } from "vue"
+import { errorCode, errorMessage } from "utils/api"
+import { DIFFICULTY } from "utils/constants"
+import { unique } from "utils/functions"
+
+/**
+ * 编程题（detail.vue）、SQL 题（SqlDetail.vue）两个出题页共用的零件。两页要填的东西几乎
+ * 不重合，所以没合成一页（见 SqlDetail.vue 顶部），但这几样原来是逐字抄了两三份。
+ */
+
+/** 富文本编辑器清空之后留下的是一个空段落，不是空串 */
+export const isBlankHtml = (html: string) => !html.trim() || html === "<p><br></p>"
+
+export const difficultyOptions = (["Low", "Mid", "High"] as const).map((value) => ({
+  label: DIFFICULTY[value],
+  value,
+}))
+
+/** 出题页的「返回」：比赛题回这场比赛的题目列表，公开题回题库 */
+export function problemListRoute(contestID: string | undefined) {
+  return contestID
+    ? { name: "admin contest problem list", params: { contestID } }
+    : { name: "admin problem list" }
+}
+
+/** 保存失败给老师看的话。编号撞了是最常见的一种，单独说清楚 */
+export function saveErrorText(err: unknown) {
+  return errorCode(err) === "display-id-exists" ? "显示编号重复了，换一个" : errorMessage(err)
+}
+
+/**
+ * 下拉里新打的标签：去空格、去重。有超长的就返回它（调用方提示、这次改动不收），
+ * 后端也卡这个长度，先在这儿拦省一次往返
+ */
+export function cleanTags(tags: string[]): { tags: string[] } | { tooLong: string } {
+  const tooLong = tags.find((t) => t.length > PROBLEM_TAG_MAX_LENGTH)
+  if (tooLong) return { tooLong }
+  return { tags: unique(tags.map((t) => t.trim()).filter(Boolean)) }
+}
+
+export const tagTooLongText = (tag: string) => `标签最多 ${PROBLEM_TAG_MAX_LENGTH} 个字：${tag}`
+
+/**
+ * 新建页的草稿：改动停 0.8 秒存一次，什么都没填就清掉。编辑页不存 —— 原来编辑页也往
+ * 同一个 key 里写，没保存就离开的话，那道题的 id 会跟着草稿漂到新建页。
+ *
+ * `enabled` 在页面数据摆好之前要返回 false，不然加载时那一下会把空表单存进去。
+ */
+export function useCreateDraft<T>(
+  key: string,
+  options: { source: WatchSource; enabled: () => boolean; empty: () => boolean; take: () => T },
+) {
+  // 初值是 null 时 VueUse 推不出类型，会拿 String() 存成 "[object Object]"，得显式指定
+  const draft = useLocalStorage<T | null>(key, null, { serializer: StorageSerializers.object })
+  watchDebounced(
+    options.source,
+    () => {
+      if (!options.enabled()) return
+      draft.value = options.empty() ? null : options.take()
+    },
+    { debounce: 800, deep: true },
+  )
+  return draft
+}

apps/web/src/admin/problem/detail.vue

@@ -1,11 +1,10 @@
 <script setup lang="ts">
-import { PROBLEM_TAG_MAX_LENGTH, TEST_CASE_MAX_CASES, type RunnableLanguage } from "@oj2/contract"
-import { StorageSerializers } from "@vueuse/core"
+import { TEST_CASE_MAX_CASES, type RunnableLanguage } from "@oj2/contract"
 import { useThemeVars } from "naive-ui"
 import PageHeader from "admin/components/PageHeader.vue"
 import { getProblemTagList } from "shared/api"
 import TextEditor from "shared/components/TextEditor.vue"
-import { errorCode, errorMessage } from "utils/api"
+import { errorMessage } from "utils/api"
 import { DIFFICULTY, STORAGE_KEY } from "utils/constants"
 import download from "utils/download"
 import { createZipBlob, parseTime, unique } from "utils/functions"
@@ -24,6 +23,15 @@ import CaseTable from "./components/CaseTable.vue"
 import CodePreview from "./components/CodePreview.vue"
 import PreviewStrip from "./components/PreviewStrip.vue"
 import { usePreviewCollapsed } from "./components/previewCollapse"
+import {
+  cleanTags,
+  difficultyOptions,
+  isBlankHtml,
+  problemListRoute,
+  saveErrorText,
+  tagTooLongText,
+  useCreateDraft,
+} from "./components/problemForm"
 import {
   caseFiles,
   caseStatus,
@@ -135,14 +143,6 @@ const blankForm = (): CodeForm => ({
 
 const form = reactive<CodeForm>(blankForm())
 
-/** 富文本编辑器清空之后留下的是一个空段落，不是空串 */
-const isBlankHtml = (html: string) => !html.trim() || html === "<p><br></p>"
-
-const difficultyOptions = (["Low", "Mid", "High"] as const).map((value) => ({
-  label: DIFFICULTY[value],
-  value,
-}))
-
 const NO_INPUT = "<p>没有输入</p>"
 
 // ---------------------------------------------------------------- 标签
@@ -176,13 +176,12 @@ function toggleKnowledge(name: string) {
 }
 
 function onOtherTagsChange(tags: string[]) {
-  const tooLong = tags.find((t) => t.length > PROBLEM_TAG_MAX_LENGTH)
-  if (tooLong) {
-    message.error(`标签最多 ${PROBLEM_TAG_MAX_LENGTH} 个字：${tooLong}`)
+  const cleaned = cleanTags(tags)
+  if ("tooLong" in cleaned) {
+    message.error(tagTooLongText(cleaned.tooLong))
     return
   }
-  const others = unique(tags.map((t) => t.trim()).filter(Boolean))
-  form.tags = unique([...form.tags.filter((t) => knowledgeSet.value.has(t)), ...others])
+  form.tags = unique([...form.tags.filter((t) => knowledgeSet.value.has(t)), ...cleaned.tags])
 }
 
 // ---------------------------------------------------------------- 标准答案
@@ -525,11 +524,6 @@ interface Draft {
   rows: { input: string; output: string; example: boolean }[]
 }
 
-// 新建时存草稿（编辑页不存：原来编辑页也往同一个 key 里写，没保存就离开的话，
-// 那道题的 id 会跟着草稿漂到新建页）。初值 null 时 VueUse 推不出类型，得显式指定
-const draft = useLocalStorage<Draft | null>(STORAGE_KEY.ADMIN_CODE_PROBLEM, null, {
-  serializer: StorageSerializers.object,
-})
 const ready = ref(false)
 const draftRestored = ref(false)
 
@@ -543,25 +537,21 @@ function snapshot() {
 }
 let baseline = ""
 
-watchDebounced(
-  () => [form, rows.value.map((r) => [r.input, r.output, r.example])] as const,
-  () => {
-    if (!ready.value || !isCreate.value) return
-    const empty =
-      !form._id &&
-      !form.title &&
-      isBlankHtml(form.description) &&
-      !RUNNABLE.some((l) => form.answers[l].trim()) &&
-      !rows.value.some((r) => r.input.trim() || r.output.trim())
-    draft.value = empty
-      ? null
-      : {
-          form: JSON.parse(JSON.stringify(form)),
-          rows: rows.value.map((r) => ({ input: r.input, output: r.output, example: r.example })),
-        }
-  },
-  { debounce: 800, deep: true },
-)
+// 新建时存草稿（编辑页不存，见 useCreateDraft）
+const draft = useCreateDraft<Draft>(STORAGE_KEY.ADMIN_CODE_PROBLEM, {
+  source: () => [form, rows.value.map((r) => [r.input, r.output, r.example])] as const,
+  enabled: () => ready.value && isCreate.value,
+  empty: () =>
+    !form._id &&
+    !form.title &&
+    isBlankHtml(form.description) &&
+    !RUNNABLE.some((l) => form.answers[l].trim()) &&
+    !rows.value.some((r) => r.input.trim() || r.output.trim()),
+  take: () => ({
+    form: JSON.parse(JSON.stringify(form)),
+    rows: rows.value.map((r) => ({ input: r.input, output: r.output, example: r.example })),
+  }),
+})
 
 function clearDraft() {
   draft.value = null
@@ -841,9 +831,7 @@ async function save() {
         : { name: "admin problem edit", params: { problemID: created.id } },
     )
   } catch (err) {
-    message.error(
-      errorCode(err) === "display-id-exists" ? "显示编号重复了，换一个" : errorMessage(err),
-    )
+    message.error(saveErrorText(err))
   } finally {
     saving.value = false
   }
@@ -866,11 +854,7 @@ onBeforeRouteLeave(() => {
   })
 })
 
-const backTo = computed(() =>
-  props.contestID
-    ? { name: "admin contest problem list", params: { contestID: props.contestID } }
-    : { name: "admin problem list" },
-)
+const backTo = computed(() => problemListRoute(props.contestID))
 
 const authorLine = computed(() =>
   props.initial

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

@@ -9,7 +9,7 @@ import { batchSetProblemVisible, getProblemList, toggleProblemVisible } from "..
 import Actions from "./components/Actions.vue"
 import AddFromLibraryModal from "./components/AddFromLibraryModal.vue"
 import { useRouteQuery } from "@vueuse/router"
-import AuthorSelect from "shared/components/AuthorSelect.vue"
+import AuthorSelect from "admin/components/AuthorSelect.vue"
 import type { DataTableRowKey } from "naive-ui"
 import BatchTagModal from "./components/BatchTagModal.vue"
 import CreateProblemMenu from "./components/CreateProblemMenu.vue"

apps/web/src/oj/achievement/api.ts

@@ -1,17 +1,8 @@
-import type { MarkAchievementsRead } from "@oj2/contract"
 import api from "utils/api"
-import type { AchievementList, PendingAchievement } from "utils/types"
+import type { AchievementList } from "utils/types"
 
 export function getAchievements(name?: string) {
   return api.get<AchievementList>("achievements", {
     params: name ? { username: name } : {},
   })
 }
-
-export function getPendingAchievements() {
-  return api.get<PendingAchievement[]>("achievements/pending")
-}
-
-export function markAchievementsRead(ids: number[]) {
-  return api.post("achievements/pending/read", { ids } satisfies MarkAchievementsRead)
-}

apps/web/src/oj/api.ts

@@ -23,7 +23,6 @@ import {
   type ProfileOverview,
   type TutorialSummary,
   type Tutorial,
-  type ClassActivity,
   type ClassToday,
   type LastVisit,
   type ClassBoard,
@@ -40,10 +39,8 @@ import {
   type WeeklyRank,
   type ProblemRank,
   type CreateSubmissionResponse,
-  type ProblemAuthor,
   type ProblemListItem,
   type ProblemStats,
-  type ProblemList,
   type ProblemProgress,
   type CreateFlowchartResponse,
   type FlowchartScores,
@@ -64,7 +61,7 @@ import {
 } from "@oj2/contract"
 import api from "utils/api"
 import { contract } from "utils/contract"
-import { toProblemRow } from "oj/transforms"
+import { toProblemRow } from "utils/transforms"
 import type {
   Announcement,
   AnnouncementListItem,
@@ -82,26 +79,12 @@ import type {
 
 /**
  * 题目详情 / 提交详情的 schema 按需加载，和请求并行发出。静态 import 会把 zod
- * 运行时带进首页 —— 题目列表的 getProblemList 也在这个文件里。
+ * 运行时带进首页 —— 首页、题目列表都 import 这个文件。
  * 闸门本身仍是同步的（等 schema 到了再返回），submissionDetailSchema 有 `.catch()`，
  * 放行原文和解析结果不等价，所以不能像 /me 那样改成 contractDeferred。
  */
 const loadDetailSchemas = () => import("./detailSchemas")
 
-export async function getProblemList(
-  offset = 0,
-  limit = 10,
-  searchParams: Record<string, unknown> = {},
-) {
-  const res = await api.get<ProblemList>("problems", {
-    params: { paging: true, offset, limit, ...searchParams },
-  })
-  return {
-    results: res.results.map(toProblemRow),
-    total: res.total,
-  }
-}
-
 /** 题目列表顶上那行和左栏的进度；没登录是 null */
 export function getProblemProgress() {
   return api.get<ProblemProgress | null>("problems/progress")
@@ -115,12 +98,6 @@ export function getRandomProblem(params: { tag: string; type: string; language:
   return api.get<string>("problems/random", { params })
 }
 
-export function getAuthors(all = false) {
-  return api.get<ProblemAuthor[]>("problem-authors", {
-    params: { all: all ? "1" : "0" },
-  })
-}
-
 export async function getProblem(problemID: string, contestID: string) {
   const endpoint = contestID
     ? `contests/${encodeURIComponent(contestID)}/problems/${encodeURIComponent(problemID)}`
@@ -316,10 +293,6 @@ export function getKnowledgeMap() {
   return api.get<KnowledgeMap>("me/knowledge")
 }
 
-export function getClassActivity() {
-  return api.get<ClassActivity>("me/class-activity")
-}
-
 /** 老师首页「今天的课」：今天在上课的每个班 */
 export function getClassToday() {
   return api.get<ClassToday>("classroom/today")

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

@@ -15,7 +15,7 @@ import { LANGUAGE_SHOW_VALUE } from "utils/constants"
 import { parseTime } from "utils/functions"
 import type { ClassBoard, ClassBoardCell, ClassBoardProblem, ClassBoardStudent } from "utils/types"
 import ExplainModal, { type ExplainPerson } from "./components/ExplainModal.vue"
-import { errorKind, type ErrorKind } from "./errorKind"
+import { errorKind, type ErrorKind } from "utils/errorKind"
 
 /**
  * 课堂看板（老师，设计稿「课堂看板重设计」A+B）：这个班、今天、这节课的几道题 × 全班学生。

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

@@ -3,7 +3,6 @@ import { continueStep, doneCount, lessonPath, splitTitle, type TutorialType } fr
 import { Icon } from "@iconify/vue"
 import {
   getAnnouncementList,
-  getClassActivity,
   getKnowledgeMap,
   getContestList,
   getLastVisit,
@@ -12,6 +11,7 @@ import {
   getTutorials,
   getWeeklyRank,
 } from "oj/api"
+import { getClassActivity } from "shared/api"
 import SubmissionResultTag from "shared/components/SubmissionResultTag.vue"
 import { pickHeadline, type Headline } from "oj/user/knowledge"
 import { useUserStore } from "shared/store/user"

apps/web/src/oj/learn/components/CodeRunBlock.vue

@@ -5,7 +5,7 @@ import { errorMessage } from "utils/api"
 import { SubmissionStatus } from "utils/constants"
 import { trialRun } from "utils/judge"
 import { explainCCompileError } from "oj/problem/utils/cError"
-import { explainPythonCompileError } from "oj/problem/utils/pythonError"
+import { explainPythonCompileError } from "utils/pythonError"
 import { explainRuntimeError } from "oj/problem/utils/runtimeError"
 import { useAuthModalStore } from "shared/store/authModal"
 import { useUserStore } from "shared/store/user"

apps/web/src/oj/problem/components/CompileErrorExplain.vue

@@ -10,7 +10,7 @@ import {
   showPunctuationMarks,
 } from "oj/problem/utils/errorMark"
 import { explainCCompileError } from "oj/problem/utils/cError"
-import { explainPythonCompileError } from "oj/problem/utils/pythonError"
+import { explainPythonCompileError } from "utils/pythonError"
 
 /**
  * 编译错误的中文说明卡片：Python 的语法错误走 pythonError.ts，C / C++ 的 gcc 报错走

apps/web/src/oj/problem/components/ContextBar.vue

@@ -4,7 +4,7 @@ import type { RouteLocationRaw } from "vue-router"
 import { getProblemSetDetail, getProblemSetProblems, joinProblemSet } from "oj/api"
 import { useContestStore } from "oj/store/contest"
 import { isFlowchartPass, useFlowchartStore } from "oj/store/flowchart"
-import { useLessonStore } from "oj/store/lesson"
+import { useLessonStore } from "shared/store/lesson"
 import { useProblemStore } from "oj/store/problem"
 import { useUserStore } from "shared/store/user"
 import { useBreakpoints } from "shared/composables/breakpoints"

apps/web/src/oj/problem/components/LessonNext.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { useThemeVars } from "naive-ui"
-import { useLessonStore } from "oj/store/lesson"
+import { useLessonStore } from "shared/store/lesson"
 
 /**
  * 通过之后告诉学生「这节课的下一题是哪道」。

apps/web/src/oj/problem/components/ProblemEditor.vue

@@ -18,7 +18,7 @@ import { useCollabHere, useTeacherCollab } from "../composables/teacherCollab"
 import { useProblemPageContext } from "../composables/problemPageContext"
 import CollabBar from "./CollabBar.vue"
 import { useFlowchartStore } from "oj/store/flowchart"
-import { useLessonStore } from "oj/store/lesson"
+import { useLessonStore } from "shared/store/lesson"
 
 const FlowchartEditor = defineAsyncComponent(
   () => import("shared/components/FlowchartEditor/index.vue"),

apps/web/src/oj/problem/components/SubmissionEffects.vue

@@ -5,7 +5,7 @@ import { getReaction } from "oj/api"
 import { useProblemStore } from "oj/store/problem"
 import { useSubmissionStore } from "oj/store/submission"
 import { useFireworks } from "oj/problem/composables/useFireworks"
-import { useLessonStore } from "oj/store/lesson"
+import { useLessonStore } from "shared/store/lesson"
 import { isFlowchartPass, useFlowchartStore } from "oj/store/flowchart"
 import { SubmissionStatus } from "utils/constants"
 import { useProblemPageContext } from "../composables/problemPageContext"

apps/web/src/oj/problem/components/SubmissionResult.vue

@@ -21,7 +21,7 @@ import WrongAnswerExplain from "./WrongAnswerExplain.vue"
 import LessonNext from "./LessonNext.vue"
 import ResultHeader from "./ResultHeader.vue"
 import SimilarProblems from "./SimilarProblems.vue"
-import { useLessonStore } from "oj/store/lesson"
+import { useLessonStore } from "shared/store/lesson"
 import { useProblemPageContext } from "../composables/problemPageContext"
 import Markdown from "shared/components/Markdown.vue"
 

apps/web/src/oj/problem/components/WrongAnswerExplain.vue

@@ -5,12 +5,7 @@ import { useThemeVars } from "naive-ui"
 import { useProblemStore } from "oj/store/problem"
 import { markdownToText } from "oj/problem/utils/plainText"
 import { JUDGE_STATUS, SubmissionStatus } from "utils/constants"
-import {
-  classifyDiff,
-  explainDiff,
-  firstDifferentLine,
-  type SampleCheck,
-} from "oj/problem/utils/wrongAnswer"
+import { classifyDiff, explainDiff, firstDifferentLine, type SampleCheck } from "utils/wrongAnswer"
 
 /**
  * 答案错误时的样例对比（数据见后端 judge/run.ts 的 checkSamples）。

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

@@ -3,7 +3,8 @@ import { Icon } from "@iconify/vue"
 import type { ProblemProgress, ProblemTypeFilter, Tag } from "@oj2/contract"
 import { useRouteQuery } from "@vueuse/router"
 import { useThemeVars } from "naive-ui"
-import { getAuthors, getProblemList, getProblemProgress, getRandomProblem } from "oj/api"
+import { getProblemProgress, getRandomProblem } from "oj/api"
+import { getAuthors, getProblemList } from "shared/api"
 import { useCodeStore } from "oj/store/code"
 import { useTone } from "shared/composables/tone"
 import { STORAGE_KEY } from "utils/constants"

apps/web/src/oj/problem/utils/cError.ts

@@ -1,5 +1,5 @@
 import { findChinesePunctuation } from "./chinesePunctuation"
-import { PUNCTUATION_NAMES, type PythonErrorExplanation } from "./pythonError"
+import { PUNCTUATION_NAMES, type PythonErrorExplanation } from "utils/pythonError"
 
 /**
  * 把 C / C++ 的编译错误（gcc 的原文）翻成中文，和 pythonError.ts 同一个思路：

apps/web/src/oj/problem/utils/chinesePunctuation.ts

@@ -1,4 +1,4 @@
-import { PUNCTUATION_MAP } from "./pythonError"
+import { PUNCTUATION_MAP } from "utils/pythonError"
 
 export interface PunctuationFix {
   from: number

apps/web/src/oj/rank/components/ChampionList.vue

@@ -3,7 +3,7 @@ import type { RankRow, WeeklyChampion } from "@oj2/contract"
 import { useThemeVars } from "naive-ui"
 import UserName from "shared/components/UserName.vue"
 import { parseTime } from "utils/functions"
-import RankAvatar from "./RankAvatar.vue"
+import RankAvatar from "shared/components/RankAvatar.vue"
 
 /** 本班最近几周的每周冠军，底下再挂这张榜上「进步最大」的那个人 */
 defineProps<{

apps/web/src/oj/rank/components/ClassDetailDrawer.vue

@@ -9,7 +9,7 @@ import { useBackClose } from "shared/composables/backClose"
 import { useBreakpoints } from "shared/composables/breakpoints"
 import { parseTime } from "utils/functions"
 import { useRankPalette } from "../palette"
-import RankAvatar from "./RankAvatar.vue"
+import RankAvatar from "shared/components/RankAvatar.vue"
 
 // Markdown 连着整套代码高亮（两百多 KB），这里要等点开 / AI 写完才用得上，别让它拖慢页面
 const Markdown = defineAsyncComponent(() => import("shared/components/Markdown.vue"))

apps/web/src/oj/rank/components/RankMe.vue

@@ -4,7 +4,7 @@ import { useThemeVars } from "naive-ui"
 import UserName from "shared/components/UserName.vue"
 import { gapText, toPass } from "../utils"
 import MoodPopover from "./MoodPopover.vue"
-import RankAvatar from "./RankAvatar.vue"
+import RankAvatar from "shared/components/RankAvatar.vue"
 
 export interface MiniRank {
   label: string

apps/web/src/oj/rank/components/RankPodium.vue

@@ -4,7 +4,7 @@ import { useThemeVars } from "naive-ui"
 import { useBreakpoints } from "shared/composables/breakpoints"
 import UserName from "shared/components/UserName.vue"
 import { useRankPalette } from "../palette"
-import RankAvatar from "./RankAvatar.vue"
+import RankAvatar from "shared/components/RankAvatar.vue"
 
 /**
  * 领奖台：前三名站在台阶上，第一名戴皇冠。赛道从第 4 名接着排，前三不再出现第二遍。

apps/web/src/oj/rank/components/RankTrack.vue

@@ -5,7 +5,7 @@ import UserName from "shared/components/UserName.vue"
 import { useBreakpoints } from "shared/composables/breakpoints"
 import { useRankPalette } from "../palette"
 import MoodPopover from "./MoodPopover.vue"
-import RankAvatar from "./RankAvatar.vue"
+import RankAvatar from "shared/components/RankAvatar.vue"
 
 /**
  * 赛道：每人一根条，条越长做对越多，一样长的先做到的排前面（设计稿 G1 / G2）。

apps/web/src/oj/rank/components/WeekTop.vue

@@ -3,7 +3,7 @@ import type { RankRow } from "@oj2/contract"
 import { useThemeVars } from "naive-ui"
 import UserName from "shared/components/UserName.vue"
 import { useRankPalette } from "../palette"
-import RankAvatar from "./RankAvatar.vue"
+import RankAvatar from "shared/components/RankAvatar.vue"
 
 /** 这周本班前 5 名（做对过新题的），每周一清零 */
 const props = defineProps<{ rows: RankRow[]; meId?: number; loaded: boolean }>()

apps/web/src/oj/submission/composables/explain.ts

@@ -1,5 +1,5 @@
 import { explainCCompileError } from "oj/problem/utils/cError"
-import { explainPythonCompileError } from "oj/problem/utils/pythonError"
+import { explainPythonCompileError } from "utils/pythonError"
 import { explainRuntimeError } from "oj/problem/utils/runtimeError"
 import { SubmissionStatus } from "utils/constants"
 import type { Submission } from "utils/types"

apps/web/src/oj/user/components/AvatarCropModal.vue

@@ -2,7 +2,7 @@
 import { Icon } from "@iconify/vue"
 import { useThemeVars } from "naive-ui"
 import { resetAvatar, uploadAvatar } from "oj/api"
-import RankAvatar from "oj/rank/components/RankAvatar.vue"
+import RankAvatar from "shared/components/RankAvatar.vue"
 import { useUserStore } from "shared/store/user"
 
 /**

apps/web/src/oj/user/components/ProfileCard.vue

@@ -3,7 +3,7 @@ import { MOOD_MAX, STUDENT_ROLES, type ProfileOverview } from "@oj2/contract"
 import { Icon } from "@iconify/vue"
 import { useThemeVars } from "naive-ui"
 import { clearMood, setRankHidden, updateProfile } from "oj/api"
-import RankAvatar from "oj/rank/components/RankAvatar.vue"
+import RankAvatar from "shared/components/RankAvatar.vue"
 import { classLabel } from "utils/classes"
 import UserName from "shared/components/UserName.vue"
 import { useUserStore } from "shared/store/user"

apps/web/src/shared/api.ts

@@ -1,8 +1,16 @@
 import type { LoginRequest, RegisterRequest } from "@oj2/contract"
-import type { Quote, WebsiteConfig } from "@oj2/contract"
+import type {
+  ClassActivity,
+  MarkAchievementsRead,
+  ProblemAuthor,
+  ProblemList,
+  Quote,
+  WebsiteConfig,
+} from "@oj2/contract"
 import api from "utils/api"
 import { contractDeferred } from "utils/contract"
-import type { Profile, Tag } from "utils/types"
+import { toProblemRow } from "utils/transforms"
+import type { PendingAchievement, Profile, Tag } from "utils/types"
 
 export function login(data: { username: string; password: string }) {
   return api.post("auth/login", data satisfies LoginRequest)
@@ -51,3 +59,35 @@ export function getClassUsernames(classroom: string) {
 export function getWebsiteConfig() {
   return api.get<WebsiteConfig>("site")
 }
+
+export async function getProblemList(
+  offset = 0,
+  limit = 10,
+  searchParams: Record<string, unknown> = {},
+) {
+  const res = await api.get<ProblemList>("problems", {
+    params: { paging: true, offset, limit, ...searchParams },
+  })
+  return {
+    results: res.results.map(toProblemRow),
+    total: res.total,
+  }
+}
+
+export function getAuthors(all = false) {
+  return api.get<ProblemAuthor[]>("problem-authors", {
+    params: { all: all ? "1" : "0" },
+  })
+}
+
+export function getClassActivity() {
+  return api.get<ClassActivity>("me/class-activity")
+}
+
+export function getPendingAchievements() {
+  return api.get<PendingAchievement[]>("achievements/pending")
+}
+
+export function markAchievementsRead(ids: number[]) {
+  return api.post("achievements/pending/read", { ids } satisfies MarkAchievementsRead)
+}

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

@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { Icon } from "@iconify/vue"
-import { errorKind } from "oj/classroom/errorKind"
+import { errorKind } from "utils/errorKind"
 import { useBreakpoints } from "shared/composables/breakpoints"
 import { useTeacherHelp } from "shared/composables/teacherHelp"
 import { useCollabStore } from "shared/store/collab"

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

@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { Icon } from "@iconify/vue"
 import { useThemeVars } from "naive-ui"
-import RankAvatar from "oj/rank/components/RankAvatar.vue"
+import RankAvatar from "shared/components/RankAvatar.vue"
 import { classLabel, groupClassOptions } from "utils/classes"
 import { errorCode } from "utils/api"
 import { STORAGE_KEY } from "utils/constants"

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

@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { Icon } from "@iconify/vue"
 import { useThemeVars } from "naive-ui"
-import { useLessonStore } from "oj/store/lesson"
+import { useLessonStore } from "shared/store/lesson"
 import { useProblemJump } from "shared/composables/problemJump"
 import { useUserStore } from "shared/store/user"
 import type { ClassActivityProblem } from "utils/types"

apps/web/src/shared/composables/problemJump.ts

@@ -1,4 +1,4 @@
-import { getProblemList } from "oj/api"
+import { getProblemList } from "shared/api"
 
 /**
  * 按题号直达。课上老师报一个题号、全班去找，是非比赛提交最主要的来路，

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

@@ -1,4 +1,4 @@
-import { getPendingAchievements, markAchievementsRead } from "oj/achievement/api"
+import { getPendingAchievements, markAchievementsRead } from "shared/api"
 import type { QueuedAchievement } from "utils/types"
 
 /**

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

@@ -1,5 +1,5 @@
 import { defineStore } from "pinia"
-import { getClassActivity } from "oj/api"
+import { getClassActivity } from "shared/api"
 import { LANGUAGE_SHOW_VALUE } from "utils/constants"
 import type { ClassActivity, ClassActivityProblem } from "utils/types"
 

apps/web/src/utils/errorKind.ts

@@ -1,4 +1,4 @@
-import { classifyDiff, type DiffKind } from "oj/problem/utils/wrongAnswer"
+import { classifyDiff, type DiffKind } from "utils/wrongAnswer"
 import { JUDGE_STATUS, SubmissionStatus } from "utils/constants"
 import type { ClassBoardCell } from "utils/types"
 

apps/web/src/utils/wrongAnswer.ts

@@ -1,5 +1,5 @@
 import type { StatisticInfo } from "@oj2/contract"
-import { PUNCTUATION_MAP, PUNCTUATION_NAMES } from "./pythonError"
+import { PUNCTUATION_MAP, PUNCTUATION_NAMES } from "utils/pythonError"
 
 /**
  * 答案错误时，比较学生在**公开样例**上的输出和正确输出，归一类、给一句中文提示。