style(格式化): 改成单引号、一行最长 160，全仓重新格式化

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

apps/web/src/oj/learn/lesson.ts

@@ -1,10 +1,10 @@
-import { isLessonDone, type TutorialProgress, type TutorialSummary } from "@oj2/contract"
+import { isLessonDone, type TutorialProgress, type TutorialSummary } from '@oj2/contract'
 
-export type TutorialType = "python" | "c"
+export type TutorialType = 'python' | 'c'
 
 export const COURSES: { type: TutorialType; label: string }[] = [
-  { type: "python", label: "Python" },
-  { type: "c", label: "C 语言" },
+  { type: 'python', label: 'Python' },
+  { type: 'c', label: 'C 语言' },
 ]
 
 /**
@@ -12,8 +12,8 @@ export const COURSES: { type: TutorialType; label: string }[] = [
  * 所以显示时知识点在前、情境在后。没有「——」的老教程整个当知识点。
  */
 export function splitTitle(title: string) {
-  const at = title.indexOf("——")
-  if (at < 0) return { kp: title.trim(), scene: "" }
+  const at = title.indexOf('——')
+  if (at < 0) return { kp: title.trim(), scene: '' }
   return { kp: title.slice(at + 2).trim(), scene: title.slice(0, at).trim() }
 }
 
@@ -30,7 +30,7 @@ export interface ProjectGroup {
   /** 「智慧农业·蜜橘园」 */
   name: string
   icon: string
-  tone: "blue" | "purple" | "green" | "orange" | "gray"
+  tone: 'blue' | 'purple' | 'green' | 'orange' | 'gray'
   /** 这个项目里的课，`step` 是在整门课里的序号（1 起） */
   lessons: { id: number; title: string; step: number }[]
 }
@@ -38,17 +38,17 @@ export interface ProjectGroup {
 /** 「项目三 · 智慧农业·蜜橘园」拆成「项目三」和「智慧农业·蜜橘园」 */
 export function splitProject(project: string) {
   const match = project.match(/^(项目[一二三四五六七八九十\d]+)\s*[·・.]\s*(.+)$/)
-  if (!match) return { no: "", name: project || "其他" }
+  if (!match) return { no: '', name: project || '其他' }
   return { no: match[1]!, name: match[2]!.trim() }
 }
 
 /** 项目图标按情境挑，认不出的给一本书 */
-function projectLook(name: string): Pick<ProjectGroup, "icon" | "tone"> {
-  if (name.includes("家居")) return { icon: "ph:house", tone: "blue" }
-  if (name.includes("工业") || name.includes("设备")) return { icon: "ph:factory", tone: "purple" }
-  if (name.includes("农业")) return { icon: "ph:plant", tone: "green" }
-  if (name.includes("交通")) return { icon: "ph:car", tone: "orange" }
-  return { icon: "ph:book-open", tone: "gray" }
+function projectLook(name: string): Pick<ProjectGroup, 'icon' | 'tone'> {
+  if (name.includes('家居')) return { icon: 'ph:house', tone: 'blue' }
+  if (name.includes('工业') || name.includes('设备')) return { icon: 'ph:factory', tone: 'purple' }
+  if (name.includes('农业')) return { icon: 'ph:plant', tone: 'green' }
+  if (name.includes('交通')) return { icon: 'ph:car', tone: 'orange' }
+  return { icon: 'ph:book-open', tone: 'gray' }
 }
 
 /** 按项目分组，保持课程原来的顺序；同一个项目被别的项目隔开时各算一组 */
@@ -72,27 +72,24 @@ export function groupByProject(titles: TutorialSummary[]): ProjectGroup[] {
   return groups
 }
 
-export type LessonState = "done" | "started" | "todo"
+export type LessonState = 'done' | 'started' | 'todo'
 
 /**
  * 目录上的三态。学完 = 练一练全对（契约的 `isLessonDone`）；打开过或者做过练一练但没
  * 全对是「在学」；别的是没开始。
  */
 export function lessonState(progress: TutorialProgress | undefined): LessonState {
-  if (!progress) return "todo"
-  if (isLessonDone(progress)) return "done"
-  if (progress.viewCount > 0 || progress.exerciseSolved > 0) return "started"
-  return "todo"
+  if (!progress) return 'todo'
+  if (isLessonDone(progress)) return 'done'
+  if (progress.viewCount > 0 || progress.exerciseSolved > 0) return 'started'
+  return 'todo'
 }
 
 /**
  * 「接着学」哪一课：最近打开的那课；它已经学完了，就往后找第一课没学完的。
  * 一课没打开过返回 null（首页换成「开始学」）。
  */
-export function continueStep(
-  titles: TutorialSummary[],
-  progress: Record<number, TutorialProgress>,
-) {
+export function continueStep(titles: TutorialSummary[], progress: Record<number, TutorialProgress>) {
   let latest: TutorialProgress | null = null
   for (const item of titles) {
     const row = progress[item.id]
@@ -101,17 +98,17 @@ export function continueStep(
   if (!latest) return null
   const index = titles.findIndex((item) => item.id === latest!.tutorialId)
   if (index < 0) return null
-  if (lessonState(latest) !== "done") return index + 1
+  if (lessonState(latest) !== 'done') return index + 1
   for (let i = index + 1; i < titles.length; i++) {
-    if (lessonState(progress[titles[i]!.id]) !== "done") return i + 1
+    if (lessonState(progress[titles[i]!.id]) !== 'done') return i + 1
   }
   return index + 1
 }
 
 export function doneCount(titles: TutorialSummary[], progress: Record<number, TutorialProgress>) {
-  return titles.filter((item) => lessonState(progress[item.id]) === "done").length
+  return titles.filter((item) => lessonState(progress[item.id]) === 'done').length
 }
 
 export function lessonPath(type: TutorialType, step: number) {
-  return `/learn/${type}/${step.toString().padStart(2, "0")}`
+  return `/learn/${type}/${step.toString().padStart(2, '0')}`
 }