xiaoshu-app/projects/xiaoshu-mobile/src/app/core/home-learning-modules.integration.spec.ts

import { provideHttpClient } from '@angular/common/http';
import { signal } from '@angular/core';
import { TestBed } from '@angular/core/testing';
import { By } from '@angular/platform-browser';
import { provideRouter, Router } from '@angular/router';
import { RouterTestingHarness } from '@angular/router/testing';
import { Observable, of, Subject, throwError } from 'rxjs';
import { CourseCenterPageComponent } from '../features/course-center/course-center-page.component';
import { AppointmentPageComponent } from '../features/appointment/appointment-page.component';
import { LearningPageComponent } from '../features/learning/learning-page.component';
import { StudyRecordsPageComponent } from '../features/study-records/study-records-page.component';
import { HomePageComponent } from '../features/home/home-page.component';
import { routes } from '../app.routes';
import { ApiService } from './api.service';
import { ApiEnvelope, AppUser } from './models';
import { LiveDataRefreshService } from './live-data-refresh.service';
import { PlatformService } from './platform.service';
import { SessionService } from './session.service';

class LearningModulesApiService {
  lastScheduleParams: Record<string, unknown> = {};
  lastNodeParams: Record<string, unknown> = {};
  lastAppointmentCourseParams: Record<string, unknown> = {};
  lastWordParams: Record<string, unknown> = {};
  lastLearningWordUpdate: Record<string, unknown> = {};
  lastMemoryParams: Record<string, unknown> = {};
  lastStandaloneLearningRecord: Record<string, unknown> = {};
  appointmentStatus = 0;
  historyWordAudio = '';
  completionRequests: Record<string, unknown>[] = [];
  completionResponse = new Subject<ApiEnvelope<unknown>>();
  lastAppointmentRecordParams: Record<string, unknown> = {};
  studyUpdates: Record<string, unknown>[] = [];
  studyBatches: any[] = [];
  lastStudyQuery: Record<string, unknown> = {};
  reviewPageResponse: Subject<ApiEnvelope<unknown>> | null = null;
  courseWords: Record<string, unknown>[] | null = null;
  courseIncrements = new Map<string, number>();
  courseBookCounts: number[] | null = null;
  unitRows: Record<string, unknown>[] = [
    { NodeID: 811, NodeName: 'Unit 1', yx_word: 1, total: 20 },
    { NodeID: 812, NodeName: 'Unit 2', yx_word: 0, total: 18 },
  ];

  get<T>(action: string, params: Record<string, unknown> = {}): Observable<ApiEnvelope<T>> {
    if (action === 'app_account_overview') return this.post<T>(action, params);
    if (action === 'content_list' && params['orders'] === 'NEWID()') {
      return this.result<T>(Array.from({length: 8}, (_, i) => ({GeneralID: 9000 + i, Title: `external-${i}`, sy: `外部释义 ${i}`})));
    }
    if (action === 'content_list' && Number(params['ModelID'] ?? params['modelId']) === 56 && String(params['myfield2']).includes('dsid=')) {
      this.lastAppointmentRecordParams = params;
      if (!String(params['myfield2']).includes('|pl=300')) return throwError(() => new Error('无权查看该学员的内容记录'));
      return this.result<T>([{ GeneralID: 9901 }]);
    }
    if (action === 'app_lesson_study') {
      this.lastStudyQuery = params;
      return this.result<T>({record: {learned: this.studyBatches.filter(b => b.status === 'confirmed').reduce((n, b) => n + b.words.length, 0)}, batches: this.studyBatches, pending: this.studyBatches.filter(b => b.status === 'draft').length});
    }
    if (action === 'e_record_detail') {
      return this.result<T>([{ GeneralID: 1001, NodeID: 811, Title: 'apple', sy: '苹果', check: 0 }]);
    }
    if (action === 'app_lesson_courses') { this.lastAppointmentCourseParams=params; return this.result<T>([{bindingId:'binding-801',kcid:801,Title:'七年级上册',courseName:'七年级上册',syjd:'{}'},{bindingId:'binding-802',kcid:802,Title:'阅读训练',courseName:'阅读训练'}]); }
    if (action === 'e_order_detail') {
      return this.result<T>([{
        GeneralID: 901,
        szyh: 100,
        HoneyName: '张雅茜',
        kcid: 801, bindingId:'binding-801',
        yykcmc: '七年级上册',
        dszt: this.appointmentStatus,
        updatedAt: "2026-10-11T00:00:00Z",
        allowedActions: this.appointmentStatus===0?["start"]:this.appointmentStatus===10?["continue","complete"]:this.appointmentStatus===30?[]:["complete"],
        reviewStatus: "pending",
        dslx: 2,
        bxrq: '2026-08-10',
        sdsd: '19:00',
        jffs: '线上',
      }]);
    }
    if (action === 'content_list' && Number(params['nid']) === 291) {
      return this.result<T>([
        { GeneralID: 201, CreateTime: '2026-08-01 09:30:00', con: '初中英语@Unit 1', xxqs: JSON.stringify([{ Title: 'apple' }]) },
        { GeneralID: 202, CreateTime: '2026-08-04 16:20:00', con: '高中英语@Unit 2' },
      ]);
    }
    if (action === 'content_list' && Number(params['nid']) === 388) {
      return this.result<T>([
        { GeneralID: 100, Title: '张雅茜@历史任务', kywsj: '2026-05-15 09:00', fxzt: 1, yhid: 100, xxjlid: 900 },
        { GeneralID: 101, Title: '张雅茜@任务', kywsj: '2026-08-01 09:00', fxzt: 1, yhid: 100, xxjlid: 900 },
        { GeneralID: 102, Title: '张雅茜@任务', kywsj: '2026-08-02 09:00', fxzt: 0, yhid: 100, xxjlid: 900 },
      ]);
    }
    if (action === 'content_list' && Number(params['nid']) === 3) {
      return this.result<T>([{ GeneralID: 301, Title: '阅读理解专项' }]);
    }
    if (action === 'content_list' && Number(params['nid']) === 389) {
      return this.result<T>([{ GeneralID: 401, df: 18, totalScore: 48, dontKnow: 20, wrong: 10 }]);
    }
    if (action === 'content_list' && Number(params['nid']) === 28) {
      this.lastAppointmentCourseParams = params;
      return this.result<T>([
        { GeneralID: 801, kcid: 801, Title: '初中英语|七年级上册@同步词汇' },
        { GeneralID: 802, kcid: 801, Title2: '【初中英语】阅读训练' },
      ]);
    }
    if (action === 'content_list' && Number(params['ModelID']) === 58) {
      return this.result<T>([{ GeneralID: 701, yhid: 100, kcid: 801, syjd: '{}' }]);
    }
    if (action === 'content_list' && Number(params['nid']) === 29) {
      this.lastScheduleParams = params;
      return this.result<T>([
        { GeneralID: 901, bxrq: '2026-08-10 00:00:00', sdsd: '19:00', Title: '同步伴学', plxm: '张老师', dszt: 10 },
        { GeneralID: 902, bxrq: '2026-08-03 00:00:00', sdsd: '18:00', Title: '历史伴学', plxm: '李老师', dszt: 30 },
      ]);
    }
    if (action === 'node_list' && Number(params['pid']) === 8) {
      return this.result<T>([{ NodeID: 801, NodeName: '小学人教版词库' }]);
    }
    if (action === 'node_list' && Number(params['pid']) === 801) {
      this.lastNodeParams = params;
      return this.result<T>(this.unitRows);
    }
    if (action === 'e_ck_list') {
      this.lastWordParams = params;
      const allWords = (this.courseWords ?? (Number(params['nids']) === 813
        ? Array.from({ length: 65 }, (_, index) => ({ GeneralID: 2001 + index, NodeID: 813, Title: `word-${index + 1}`, sy: `释义 ${index + 1}` }))
        : [
            { GeneralID: 1001, NodeID: 811, Title: 'apple', sy: 'n. 苹果', yp: 'apple.mp3', w_learned: 1 },
            { GeneralID: 1002, NodeID: 812, Title: 'banana', sy: 'n. 香蕉', yp: 'banana.mp3', w_learned: 0 },
          ])).map((word: Record<string, unknown>) => ({...word,w_learned:(Number(word['w_learned'])||0)+(this.courseIncrements.get(String(word['GeneralID']))||0)}));
      const pageIndex = Math.max(1, Number(params['cpage'] ?? 1));
      const pageSize = Math.max(1, Number(params['psize'] ?? 30));
      const passCounts = [0,1,2,3].map(pass => allWords.filter(word => Math.min(3,Number(word['w_learned']) || 0) === pass).length);
      const filtered = params['learningPass'] == null ? allWords : allWords.filter(word => Math.min(3,Number(word['w_learned']) || 0) === Number(params['learningPass']));
      const result = filtered.slice((pageIndex - 1) * pageSize, pageIndex * pageSize);
      return of({
        retcode: 1,
        result: result as T,
        page: { itemCount: filtered.length, pageCount: Math.ceil(filtered.length / pageSize), pageIndex, pageSize, passCounts, bookPassCounts: this.courseBookCounts ?? passCounts },
      });
    }
    if (action === 'node_get') return this.result<T>([{ NodeID: 3, NodeName: '专项训练' }]);
    if (action === 'app_exam_history') return this.result<T>({items:[{GeneralID:'answer:401',df:18,totalScore:48,dontKnow:20,wrong:10,resultAvailable:true,askid:1,testedAt:'2026-10-01T08:00:00Z'}],hasMore:false});
    if (action === 'vote_ask') return this.result<T>([{ ID: 1, Title: '第一组问题' }]);
    if (action === 'vote_question') {
      return this.result<T>([{ ID: 501, AskID: 1, QType: 1, QTitle: 'apple', QContent: '苹果', QOption: JSON.stringify([{ text: '苹果', value: 1 }]) }]);
    }
    if (action === 'e_words_list') {
      return this.result<T>([{
        GeneralID: 601,
        Title: 'tend@张雅茜',
        detail: [{ GeneralID: 701, Title: 'tend', sy: 'vt.照顾;照料', yp: 'tend.mp3' }],
      }]);
    }
    return this.result<T>([]);
  }

  post<T>(action: string, params: Record<string, unknown> = {}): Observable<ApiEnvelope<T>> {
    if (action === 'stu_record_update_v2') {
      this.studyUpdates.push(params);
      const batchId=String(params['batchId']), words=JSON.parse(String(params['addon'])).xxqs;
      const version=Number(params['expectedVersion']||0)+1;
      this.studyBatches=this.studyBatches.filter(b=>b.batchId!==batchId).concat({batchId,words,status:params['saveMode']==='confirm'?'confirmed':'draft',version,bindingId:'binding-801'});
      return this.result<T>({ GeneralID: 9901, batchVersion:version, learned:new Set(this.studyBatches.filter(b=>b.status==='confirmed').flatMap(b=>b.words.map((w:any)=>w.GeneralID))).size });
    }
    if (action === 'app_lesson_complete') {
      this.completionRequests.push(params);
      return this.completionResponse as Observable<ApiEnvelope<T>>;
    }
    if (action === 'e_add_words') {
      this.lastLearningWordUpdate = params;
      if (params['save'] === 1) for (const id of String(params['wordsId']).split(',')) this.courseIncrements.set(id,(this.courseIncrements.get(id)||0)+1);
      return this.result<T>({ affected: String(params['wordsId'] ?? '').split(',').filter(Boolean).length });
    }
    if (action === 'content_add_zt') {
      this.lastStandaloneLearningRecord = params;
      return this.result<T>({ GeneralID: 9901 });
    }
    if (action === 'e_order_tongji') {
      return this.result<T>({ t30: 4, t60: 6, t_tiyan: 1, t_total: 11, t_shichang: 9, t_yongji: 320 });
    }
    if (action === 'e_user_list') {
      return this.result<T>([{ szyh: 100, honeyname: '张雅茜' }]);
    }
    if (action === 'app_learning_overview') {
      const records = Number(params['studentId']) === 777
        ? Array.from({ length: 45 }, (_, index) => ({
            GeneralID: 5000 + index,
            CreateTime: `2026-08-${String(31 - (index % 20)).padStart(2, '0')} 09:30:00`,
            dqrq: '20260801',
            con: `分页学习记录 ${index + 1}`,
          }))
        : [
            { GeneralID: 201, CreateTime: '2026-08-01 09:30:00', dqrq: '20260801', con: '初中英语@Unit 1', xxqs: JSON.stringify([{ Title: 'apple' }]), readingArticleId: 'readingarticle201', readingCompletedAt: '2026-08-01T03:00:00.000Z' },
            { GeneralID: 202, CreateTime: '2026-08-04 16:20:00', dqrq: '20260804', con: '高中英语@Unit 2', xxqs: JSON.stringify([{ Title: 'banana' }]) },
          ];
      const selected = String(params['date'] ?? '');
      return this.result<T>({
        records: (selected ? records.filter((item) => item.CreateTime.startsWith(selected)) : records).slice((Number(params['page']||1)-1)*20,Number(params['page']||1)*20),
        page:{itemCount:selected?records.filter(item=>item.CreateTime.startsWith(selected)).length:records.length,pageCount:Math.ceil(records.length/20)},
        latestReadingRecord: records[0],
        recordDateCounts: { '2026-08-01': 1, '2026-08-04': 1 },
        scheduleDateCounts: {},
        schedules: [],
        courses: [
          { GeneralID: 801, id: 701, kcid: 801, Title: '初中英语|七年级上册@同步词汇' },
          { GeneralID: 802, id: 702, Title2: '【初中英语】阅读训练', syjd: '{"811":"811@Unit 1@1"}' },
        ],
        refreshedAt: '2026-08-26T00:00:00.000Z',
      });
    }
    if (action === 'app_companion_overview') {
      this.lastScheduleParams = params;
      const schedules = [
        { GeneralID: 901, bxrq: '2026-08-10 00:00:00', sdsd: '19:00', Title: '同步伴学', plxm: '张老师', dszt: 10 },
        { GeneralID: 902, bxrq: '2026-08-03 00:00:00', sdsd: '18:00', Title: '历史伴学', plxm: '李老师', dszt: 30 },
        { GeneralID: 903, bxrq: '2099-01-01 00:00:00', sdsd: '18:00', Title: '未来计划', plxm: '王老师', dszt: 0 },
      ];
      const historySchedules = [
        { GeneralID: 911, szyh:100, bxrq: '2026-07-14 00:00:00', sdsd: '22:00', Title: '谢晨晨(60分钟练习)', plxm: '张老师', dszt: 30 },
        { GeneralID: 912, szyh:101, bxrq: '2026-07-14 00:00:00', sdsd: '17:00', Title: '谢谢(60分钟练习)', plxm: '张老师', dszt: 30 },
        { GeneralID: 913, szyh:102, bxrq: '2026-03-09 00:00:00', sdsd: '10:00', Title: '花花(60分钟练习)', plxm: '张老师', dszt: 30 },
        { GeneralID: 914, szyh:103, bxrq: '2026-01-18 00:00:00', sdsd: '16:30', Title: '小赵(60分钟练习)', plxm: '张老师', dszt: 30 },
        { GeneralID: 915, szyh:104, bxrq: '2026-01-18 00:00:00', sdsd: '16:00', Title: '小黄(60分钟练习)', plxm: '张老师', dszt: 30 },
      ];
      const rangeStart = String(params['rangeStart'] ?? '');
      const rangeEnd = String(params['rangeEnd'] ?? '');
      return this.result<T>({
        studentOptions: params['history'] ? [{id:'100',name:'谢晨晨',count:1},{id:'101',name:'谢谢',count:1},{id:'102',name:'花花',count:1},{id:'103',name:'小赵',count:1},{id:'104',name:'小黄',count:1}] : [],
        courses: [
          { GeneralID: 801, id: 701, kcid: 801, Title: '初中英语|七年级上册@同步词汇' },
          { GeneralID: 802, id: 702, Title2: '【初中英语】阅读训练', syjd: '{"811":"811@Unit 1@1"}' },
        ],
        dates:(params['history']?historySchedules:schedules).map(item=>({date:item.bxrq.slice(0,10),finished:item.dszt>=30?1:0,planned:item.dszt>=30?0:1})),
        schedules: params['history']
          ? historySchedules
          : rangeStart && rangeEnd
            ? schedules.filter((item) => item.bxrq.slice(0, 10) >= rangeStart && item.bxrq.slice(0, 10) <= rangeEnd)
            : schedules,
        refreshedAt: '2026-08-26T00:00:00.000Z',
      });
    }
    if (action === 'app_account_overview') {
      if (Number(params['uid']) === 300) {
        return this.result<T>({
          profile: { userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 },
          coachPanel: { todaySchedules: 2, completedLessons: 8, reviewIncome: 36, reviewRecords: 3, totalLessons: 11, totalHours: 9, course30: 4, course60: 6, trialLessons: 1 },
          refreshedAt: '2026-08-26T00:00:00.000Z',
        });
      }
      return this.result<T>({
        profile: { userId: 100, userName: 'student', honeyName: '张雅茜', groupId: 1 },
        companionSummary: { completedSessions: 1, completedMinutes: 60 },
        antiForgetSummary: { total: 3, completed: 2, progress: 67, todayTotal: 0, todayCompleted: 0, duePending: 1, scheduled: 0, scheduledDays: 3 },
        refreshedAt: '2026-08-26T00:00:00.000Z',
      });
    }
    if (action === 'app_review_page') {
      this.lastMemoryParams=params;
      if (this.reviewPageResponse) return this.reviewPageResponse as Observable<ApiEnvelope<T>>;
      const items=params['scope']==='today' ? [{ GeneralID: 102, Title: '张雅茜@任务', kc_title: '高中英语复习', kywsj: String(params['date'])+' 09:00', fxzt: 0, yhid: 100, xxjlid: 900 }] : [
        { GeneralID: 100, Title: '张雅茜@历史任务', kc_title: '历史复习', kywsj: '2026-05-15 09:00', learned_at: '2026-05-01T01:15:00.000Z', fxzt: 1, yhid: 100, xxjlid: 900 },
        { GeneralID: 101, Title: '张雅茜@任务', kc_title: '初中英语复习', kywsj: '2026-08-01 09:00', learned_at: '2026-07-20T02:20:00.000Z', fxzt: 1, yhid: 100, xxjlid: 900 },
        { GeneralID: 102, Title: '张雅茜@任务', kc_title: '高中英语复习', kywsj: '2026-08-02 09:00', learned_at: '2026-07-20T02:20:00.000Z', fxzt: 0, yhid: 100, xxjlid: 900 },
        ...(Number(params['shouru']) === 1
          ? [{ GeneralID: 103, Title: '李同学@任务', kc_title: '小学英语复习', kywsj: '2026-08-02 10:00', learned_at: '2026-07-21T02:20:00.000Z', fxzt: 0, yhid: 101, xxjlid: 901 }]
          : []),
      ];return this.result<T>({items,page:{itemCount:items.length,pageCount:1},summary:{total:items.length,completed:items.filter(i=>i.fxzt===1).length,due:items.filter(i=>i.fxzt!==1).length,today:0,income:0},dates:items.map(i=>({date:i.kywsj.slice(0,10),total:1,completed:i.fxzt===1?1:0}))});
    }
    if (action === 'e_get_21list') {
      this.lastMemoryParams = params;
      return this.result<T>([
        { GeneralID: 100, Title: '张雅茜@历史任务', kc_title: '历史复习', kywsj: '2026-05-15 09:00', learned_at: '2026-05-01T01:15:00.000Z', fxzt: 1, yhid: 100, xxjlid: 900 },
        { GeneralID: 101, Title: '张雅茜@任务', kc_title: '初中英语复习', kywsj: '2026-08-01 09:00', learned_at: '2026-07-20T02:20:00.000Z', fxzt: 1, yhid: 100, xxjlid: 900 },
        { GeneralID: 102, Title: '张雅茜@任务', kc_title: '高中英语复习', kywsj: '2026-08-02 09:00', learned_at: '2026-07-20T02:20:00.000Z', fxzt: 0, yhid: 100, xxjlid: 900 },
        ...(Number(params['shouru']) === 1
          ? [{ GeneralID: 103, Title: '李同学@任务', kc_title: '小学英语复习', kywsj: '2026-08-02 10:00', learned_at: '2026-07-21T02:20:00.000Z', fxzt: 0, yhid: 101, xxjlid: 901 }]
          : []),
      ]);
    }
    if (action === 'e_record_detail') {
      return of({
        retcode: 1,
        result: [{ GeneralID: 701, Title: 'apple', detail: [{ GeneralID: 701, Title: 'apple', sy: '苹果', yp: this.historyWordAudio }] }],
        addon: [{ if_writing: '0', if_writing_tips: '先回忆单词，再查看释义' }],
      } as unknown as ApiEnvelope<T>);
    }
    return this.result<T>([]);
  }

  assetUrl(path: unknown): string { return String(path ?? ''); }

  private result<T>(result: unknown): Observable<ApiEnvelope<T>> {
    return of({ retcode: 1, result: result as T });
  }
}

describe('home learning modules', () => {
  const user = signal<AppUser | null>({ userId: 100, userName: 'student', honeyName: '张雅茜', groupId: 1 });
  const selectedStudent = signal<AppUser | null>(null);
  const session = {
    user,
    token: signal('test-token'),
    student: selectedStudent,
    isLoggedIn: signal(true),
    groupId: signal(1),
    setStudent: (student: AppUser | null) => selectedStudent.set(student),
    patchUser: () => undefined,
    logout: () => undefined,
  };

  beforeEach(() => {
    sessionStorage.removeItem('xiaoshu.learning.teacherTodayReview');
    localStorage.removeItem('xiaoshu.learning.homeDaily.v1');
    spyOn(window, 'confirm').and.returnValue(true);
    // Route tests do not depend on remote audio availability or its error-toast timer.
    spyOn(HTMLMediaElement.prototype, 'play').and.returnValue(Promise.resolve());
    localStorage.removeItem('xiaoshu.learning.300.100.901.unbound.skip_spelling_stage');
    user.set({ userId: 100, userName: 'student', honeyName: '张雅茜', groupId: 1 });
    session.groupId.set(1);
    session.student.set(null);
    TestBed.configureTestingModule({
      providers: [
        provideRouter(routes),
        provideHttpClient(),
        { provide: ApiService, useClass: LearningModulesApiService },
        { provide: SessionService, useValue: session },
      ],
    });
  });

  for (const role of [1,3]) {
    it(`numbers learning records in reverse across pages and date filters for role ${role}`, async () => {
      user.set({userId:role===3?300:100,groupId:role});session.groupId.set(role);
      const api=TestBed.inject(ApiService), original=api.post.bind(api);
      spyOn(TestBed.inject(LiveDataRefreshService),'watch').and.returnValue(()=>{});
      spyOn(api,'post').and.callFake(((action:string,params:Record<string,unknown>={})=>{
        if(action!=='app_learning_overview')return original(action,params);
        const total=params['date']?2:26,offset=(Number(params['page'])-1)*20;
        return of({retcode:0,result:{records:Array.from({length:Math.min(20,total-offset)},(_,i)=>({GeneralID:1000+offset+i,CreateTime:params['date']||'2026-11-12 12:00',con:'课程 '+(total-offset-i)})),courses:[],schedules:[],recordDateCounts:{},scheduleDateCounts:{},page:{itemCount:total,pageCount:Math.ceil(total/20)}}});
      }) as typeof api.post);
      const harness=await RouterTestingHarness.create('/pages/his/his');await harness.fixture.whenStable();harness.fixture.detectChanges();
      const component=harness.fixture.debugElement.query(By.directive(StudyRecordsPageComponent)).componentInstance as StudyRecordsPageComponent;
      const numbers=()=>Array.from(harness.routeNativeElement!.querySelectorAll('.learning-item .record-number'),node=>node.textContent!.trim());
      expect(numbers()).toEqual(Array.from({length:20},(_,i)=>String(26-i)));
      component.goToRecordPage(2);await harness.fixture.whenStable();harness.fixture.detectChanges();
      expect(numbers()).toEqual(['6','5','4','3','2','1']);
      component.selectDate('2026-11-12');await harness.fixture.whenStable();harness.fixture.detectChanges();
      expect(numbers()).toEqual(['2','1']);
    });
  }

  for (const role of [1,3]) {
    it(`numbers training records across date groups and pages with newest first for role ${role}`, async () => {
      user.set({userId:role===3?300:100,groupId:role});session.groupId.set(role);
      const api=TestBed.inject(ApiService), original=api.post.bind(api);
      spyOn(TestBed.inject(LiveDataRefreshService),'watch').and.returnValue(()=>{});
      const calls:Record<string,unknown>[]=[];
      const delayed = new Subject<ApiEnvelope<unknown>>();let retryPage = false;
      spyOn(api,'post').and.callFake(((action:string,params:Record<string,unknown>={})=>{
        if(action!=='app_companion_overview')return original(action,params);
        calls.push(params);if(Number(params['page'])===2 && !retryPage)return delayed;
        const total=26,offset=(Number(params['page'])-1)*20;
        return of({retcode:0,result:{schedules:Array.from({length:Math.min(20,total-offset)},(_,i)=>({GeneralID:1000+offset+i,bxrq:'2026-11-'+String(26-offset-i).padStart(2,'0'),sdsd:'19:00',Title:'训练 '+(26-offset-i),dszt:30})),courses:[],studentOptions:[],dates:[],earningsSummary:{amount:0,pendingCount:0},page:{itemCount:26,pageCount:2}}});
      }) as typeof api.post);
      const harness=await RouterTestingHarness.create(role===3?'/pages/member/ke_xiao':'/pages/home/cart?csStatus=finished&csRange=all');
      await harness.fixture.whenStable();harness.fixture.detectChanges();
      const component=harness.fixture.debugElement.query(By.directive(CourseCenterPageComponent)).componentInstance as CourseCenterPageComponent;
      const numbers=()=>Array.from(harness.routeNativeElement!.querySelectorAll('.schedule-list .record-number'),node=>node.textContent!.trim());
      expect(calls[0]['history']).toBe(role===3);
      expect(numbers()).toEqual(Array.from({length:20},(_,i)=>String(26-i)));
      expect(harness.routeNativeElement!.querySelector('.schedule-copy strong')?.textContent).toContain('训练 26');
      component.turnPage(1);harness.fixture.detectChanges();
      expect(numbers()).toEqual(Array.from({length:20},(_,i)=>String(26-i)));
      delayed.error(new Error('翻页失败'));await harness.fixture.whenStable();harness.fixture.detectChanges();
      expect(numbers()).toEqual(Array.from({length:20},(_,i)=>String(26-i)));
      retryPage=true;component.load(true,true);await harness.fixture.whenStable();harness.fixture.detectChanges();
      expect(numbers()).toEqual(['6','5','4','3','2','1']);
    });
  }

  it('filters teacher history students before restoring a stale selection and uses server pagination', async () => {
    user.set({userId:300, groupId:3}); session.groupId.set(3);
    const watch = spyOn(TestBed.inject(LiveDataRefreshService), 'watch').and.returnValue(() => {});
    const api = TestBed.inject(ApiService), original = api.post.bind(api);
    const students = new Subject<ApiEnvelope<unknown>>();
    const post = spyOn(api, 'post').and.callFake(((action: string, params: Record<string, unknown> = {}) => {
      if (action === 'e_user_list') return students;
      return original(action, params);
    }) as typeof api.post);
    const harness = await RouterTestingHarness.create('/pages/his/his?uid=999');
    expect(post.calls.allArgs().find(([action]) => action === 'e_user_list')?.[1]).toEqual(jasmine.objectContaining({scope:'current-scheduled',selectedStudentId:999}));
    expect(post.calls.allArgs().some(([action]) => action === 'app_learning_overview')).toBeFalse();
    expect(watch).not.toHaveBeenCalled();
    students.next({retcode:0,result:[{szyh:100,honeyname:'在学学员'}],page:{itemCount:1,pageCount:1}});
    students.complete();
    await harness.fixture.whenStable(); harness.fixture.detectChanges();
    const component = harness.fixture.debugElement.query(By.directive(StudyRecordsPageComponent)).componentInstance as StudyRecordsPageComponent;
    expect(component.studentId).toBe(100);
    expect(watch).toHaveBeenCalledTimes(1);
    expect(session.student()?.userId).toBe(100);
    expect(TestBed.inject(Router).url).toContain('uid=100');
    expect(component.studentsHaveMore()).toBeFalse();
    expect(post.calls.allArgs().filter(([action]) => action === 'app_learning_overview').map(([,params]) => params?.['studentId'])).toEqual([100]);
    expect(harness.routeNativeElement?.querySelector('.student-filter select')?.textContent).toContain('在学学员');
  });

  it('clears teacher history and the old student context when no eligible scheduled students remain', async () => {
    user.set({userId:300, groupId:3}); session.groupId.set(3);
    session.student.set({userId:999,groupId:1,honeyName:'旧学员'});
    spyOn(TestBed.inject(LiveDataRefreshService), 'watch').and.returnValue(() => {});
    const api = TestBed.inject(ApiService), original = api.post.bind(api);
    const post = spyOn(api, 'post').and.callFake(((action: string, params: Record<string, unknown> = {}) =>
      action === 'e_user_list' ? of({retcode:0,result:[],page:{itemCount:0,pageCount:0}}) : original(action,params)) as typeof api.post);
    const harness = await RouterTestingHarness.create('/pages/his/his?uid=999');
    await harness.fixture.whenStable(); harness.fixture.detectChanges();
    expect(session.student()).toBeNull();
    expect(TestBed.inject(Router).url).toBe('/pages/his/his');
    expect(harness.routeNativeElement?.textContent).toContain('暂无在排课的正常学员');
    expect(harness.routeNativeElement?.querySelector('.learning-record-card')).toBeNull();
    expect(post.calls.allArgs().some(([action]) => action === 'app_learning_overview')).toBeFalse();
  });

  it('keeps an eligible restored student and a stable student order while loading more pages', async () => {
    user.set({userId:300, groupId:3}); session.groupId.set(3);
    spyOn(TestBed.inject(LiveDataRefreshService), 'watch').and.returnValue(() => {});
    const api = TestBed.inject(ApiService), original = api.post.bind(api), requests: Record<string,unknown>[] = [];
    spyOn(api, 'post').and.callFake(((action: string, params: Record<string, unknown> = {}) => {
      if (action !== 'e_user_list') return original(action,params);
      requests.push(params);
      return of({retcode:0,result:params['cpage']===1?[{szyh:777,honeyname:'原学员'},{szyh:100,honeyname:'另一学员'}]:[{szyh:101,honeyname:'下一页学员'}],page:{itemCount:3,pageCount:2}});
    }) as typeof api.post);
    const harness = await RouterTestingHarness.create('/pages/his/his?uid=777');
    await harness.fixture.whenStable(); harness.fixture.detectChanges();
    const component = harness.fixture.debugElement.query(By.directive(StudyRecordsPageComponent)).componentInstance as StudyRecordsPageComponent;
    expect(component.studentId).toBe(777);
    expect(component.studentsHaveMore()).toBeTrue();
    component.studentId=100; component.onFilterChange();
    component.loadStudents(true);
    await harness.fixture.whenStable(); harness.fixture.detectChanges();
    expect(requests.map(params => params['selectedStudentId'])).toEqual([777,777]);
    expect(component.students().map(row => component.studentValue(row))).toEqual([777,100,101]);
    expect(component.studentId).toBe(100);
    expect(component.studentsHaveMore()).toBeFalse();
  });

  it('shows a retry state instead of loading a stale student when the filtered student request fails', async () => {
    user.set({userId:300, groupId:3}); session.groupId.set(3);
    session.student.set({userId:999,groupId:1,honeyName:'旧学员'});
    const watch = spyOn(TestBed.inject(LiveDataRefreshService), 'watch').and.returnValue(() => {});
    const api = TestBed.inject(ApiService), original = api.post.bind(api);
    let fail = true;
    const post = spyOn(api, 'post').and.callFake(((action: string, params: Record<string, unknown> = {}) => {
      if (action !== 'e_user_list') return original(action,params);
      return fail ? throwError(() => new Error('学员列表暂时无法加载')) : of({retcode:0,result:[{szyh:100,honeyname:'在学学员'}],page:{itemCount:1,pageCount:1}});
    }) as typeof api.post);
    const harness = await RouterTestingHarness.create('/pages/his/his?uid=999');
    await harness.fixture.whenStable(); harness.fixture.detectChanges();
    expect(session.student()).toBeNull();
    expect(harness.routeNativeElement?.textContent).toContain('学员列表加载失败');
    expect(post.calls.allArgs().some(([action]) => action === 'app_learning_overview')).toBeFalse();
    expect(watch).not.toHaveBeenCalled();
    fail = false;
    (harness.routeNativeElement?.querySelector('.teacher-student-state button') as HTMLButtonElement).click();
    await harness.fixture.whenStable(); harness.fixture.detectChanges();
    expect(session.student()?.userId).toBe(100);
    expect(harness.routeNativeElement?.querySelector('.teacher-student-state')).toBeNull();
  });

  it('reconciles monthly review fees from every matching page when an old gateway always returns 29', async () => {
    user.set({userId:300, groupId:3, honeyName:'钱老师'}); session.groupId.set(3);
    const api = TestBed.inject(ApiService), original = api.post.bind(api), requests: Record<string,unknown>[] = [];
    spyOn(api, 'post').and.callFake(((action:string, params:Record<string,unknown> = {}) => {
      if (action !== 'app_review_page') return original(action,params);
      requests.push(params);
      const rows = Array.from({length:params['month']==='2026-09'?6:28}, (_,i) => ({GeneralID:i+1,money:params['month']==='2026-09'?1:i<21?1:0,fxzt:1,kywrq:params['month']+'-15'}));
      const size=Number(params['pageSize']), index=Number(params['page']);
      return of({result:{items:rows.slice((index-1)*size,index*size),page:{itemCount:rows.length,pageCount:Math.ceil(rows.length/size)},summary:{income:29},dates:[{date:'2026-09-15',total:6,completed:6},{date:'2026-10-15',total:28,completed:28}]}});
    }) as typeof api.post);
    const harness=await RouterTestingHarness.create('/pages/member/ke_fuxi');
    const component=harness.fixture.debugElement.query(By.directive(StudyRecordsPageComponent)).componentInstance as StudyRecordsPageComponent;
    component.setIncomeMonth('2026-10'); await harness.fixture.whenStable(); harness.fixture.detectChanges();
    expect(component.totalIncome()).toBe(21); expect(component.items().length).toBe(20);
    expect(requests.some(p=>p['month']==='2026-10'&&p['pageSize']===100&&p['includeMetadata']===false)).toBeTrue();
    expect(harness.routeNativeElement!.querySelector('.fee-summary-amount')!.textContent).toContain('21.00');
    component.setIncomeMonth('2026-09'); await harness.fixture.whenStable(); harness.fixture.detectChanges();
    expect(component.totalIncome()).toBe(6); expect(component.serverTotal()).toBe(6);
    expect(harness.routeNativeElement!.querySelector('.fee-summary-top')!.textContent).toContain('2026年09月');
  });

  it('shows lesson fee total with older gateways that omit earningsSummary', async () => {
    spyOn(TestBed.inject(LiveDataRefreshService), 'watch').and.returnValue(() => {});
    user.set({userId:300, groupId:3, honeyName:'钱老师'}); session.groupId.set(3);
    const api=TestBed.inject(ApiService), original=api.post.bind(api);
    spyOn(api,'post').and.callFake(((action:string,params:Record<string,unknown>={}) => {
      if(action!=='app_companion_overview')return original(action,params);
      return of({result:{courses:[],schedules:Array.from({length:6},(_,i)=>({GeneralID:i+1,bxrq:'2026-09-15',dszt:30,teacherPay:30,payStatus:'earned'})),page:{itemCount:6,pageCount:1},dates:[{date:'2026-09-15',finished:6,planned:0}],studentOptions:[],refreshedAt:'2026-10-28'}});
    }) as typeof api.post);
    const harness=await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/member/ke_xiao');
    const component=harness.fixture.debugElement.query(By.directive(CourseCenterPageComponent)).componentInstance as CourseCenterPageComponent;
    component.setHistoryMonth('2026-09'); await harness.fixture.whenStable(); harness.fixture.detectChanges();
    expect(component.earningsSummary()?.amount).toBe(180);
    expect(harness.routeNativeElement!.querySelector('.fee-summary-amount')!.textContent).toContain('180.00');
  });

  it('renders scheduled duration for new lessons without duplicating legacy duration labels', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '钱老师', groupId: 3 });
    session.groupId.set(3);
    const harness = await RouterTestingHarness.create('/pages/home/shop');
    const center = harness.fixture.debugElement.query(By.directive(CourseCenterPageComponent)).componentInstance as CourseCenterPageComponent;
    center.scheduleRange.set('all');
    center.schedules.set([
      { GeneralID: 1, Title: '可爱同学（单词课）', durationMinutes: 30, bxrq: '2026-10-19', sdsd: '15:00', dszt: 0 },
      { GeneralID: 2, Title: '小黄（单词课）', durationMinutes: 60, bxrq: '2026-10-19', sdsd: '19:00', dszt: 0 },
      { GeneralID: 3, Title: '熊小俊(60分钟练习)', durationMinutes: 60, bxrq: '2026-10-19', sdsd: '14:00', dszt: 0 },
    ]);
    harness.fixture.detectChanges();
    const titles = Array.from(harness.routeNativeElement!.querySelectorAll('.schedule-copy strong')).map(element => element.textContent?.trim());
    expect(titles).toEqual(['熊小俊(60分钟练习)', '可爱同学（单词课） · 30分钟', '小黄（单词课） · 60分钟']);
    expect(center.scheduleTitle({ Title: '旧课(60分钟练习)', durationMinutes: 30 })).toBe('旧课(30分钟练习)');
    for (const durationMinutes of [undefined, null, 0, -30, 'invalid']) {
      expect(center.scheduleTitle({ Title: '旧课(60分钟练习)', durationMinutes })).toBe('旧课(60分钟练习)');
    }
  });

  it('keeps all today tasks cached across navigation and visibility', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const originalPost = api.post.bind(api);
    const post = spyOn(api, 'post').and.callFake((action, params) => {
      if (action !== 'app_review_page') return originalPost(action, params);
      return of({ retcode: 1, result: {
        items: Array.from({length: 7}, (_, i) => ({ GeneralID: 100+i, yhid: 100, Title: '今日学员', kywsj: params?.['date'], fxzt: i === 6 ? 1 : 0 })),
        page: { itemCount: 7, pageCount: 1 }, summary: { total: 7, completed: 1, due: 6, today: 7, income: 0 }, dates: [],
      } }) as never;
    });
    const count = () => post.calls.allArgs().filter(([name]) => name === 'app_review_page').length;
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/home/index');
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.coach-memory-list article').length).toBe(7);
    expect(harness.routeNativeElement?.querySelectorAll('.coach-memory-footer').length).toBe(1);
    expect(harness.routeNativeElement?.textContent).not.toContain('查看今日全部任务');
    document.dispatchEvent(new Event('visibilitychange'));
    await harness.navigateByUrl('/pages/member/starshop');
    await harness.navigateByUrl('/pages/home/index');
    harness.fixture.detectChanges();
    expect(count()).toBe(1);
    expect(harness.routeNativeElement?.querySelector('.coach-memory-state')).toBeNull();
    (harness.routeNativeElement?.querySelector('.coach-memory-refresh') as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(count()).toBe(2);
  });

  for (const groupId of [1, 3]) {
    it(`caches homepage overview for role ${groupId} until an explicit refresh`, async () => {
      user.set({ userId: groupId === 3 ? 300 : 100, groupId });
      session.groupId.set(groupId);
      const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
      const post = spyOn(api, 'post').and.callThrough();
      const get = spyOn(api, 'get').and.callThrough();
      const count = (action: string) => (action === 'app_account_overview' ? get.calls.allArgs() : post.calls.allArgs()).filter(([name]) => name === action).length;
      const harness = await RouterTestingHarness.create();
      await harness.navigateByUrl('/pages/home/index');
      const first = { stats: count('e_order_tongji'), review: count('app_review_page'), balances: count('app_account_overview') };
      if (groupId === 1) expect(get.calls.allArgs().find(([name]) => name === 'app_account_overview')?.[1]).toEqual(jasmine.objectContaining({ profileOnly: true, refresh: true }));
      document.dispatchEvent(new Event('visibilitychange'));
      await harness.navigateByUrl('/pages/member/starshop');
      await harness.navigateByUrl('/pages/home/index');
      harness.fixture.detectChanges();
      expect(count('e_order_tongji')).toBe(first.stats);
      expect(count('app_review_page')).toBe(first.review);
      expect(count('app_account_overview')).toBe(first.balances);
      expect(harness.routeNativeElement?.textContent).not.toContain('正在同步学习计划');
      const button = harness.routeNativeElement?.querySelector(groupId === 3 ? '.coach-hero .coach-refresh' : '.student-home-refresh') as HTMLButtonElement;
      button.click();
      harness.fixture.detectChanges();
      expect(count('e_order_tongji')).toBe(first.stats + 1);
      expect(count('app_review_page')).toBe(first.review + (groupId === 1 ? 1 : 0));
      expect(count('app_account_overview')).toBe(first.balances + (groupId === 1 ? 1 : 0));
    });
  }

  for (const groupId of [1, 3]) {
    it(`caches companion and account tabs for role ${groupId} and refreshes only on request`, async () => {
      user.set({ userId: groupId === 3 ? 300 : 100, groupId });
      session.groupId.set(groupId);
      const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
      const post = spyOn(api, 'post').and.callThrough();
      const count = (action: string) => post.calls.allArgs().filter(([name]) => name === action).length;
      const harness = await RouterTestingHarness.create();
      const route = groupId === 3 ? '/pages/home/shop' : '/pages/home/cart';
      await harness.navigateByUrl(route);
      await harness.navigateByUrl('/pages/home/ucenter');
      const before = { companion: count('app_companion_overview'), account: count('app_account_overview'), versions: count('app_live_versions') };
      document.dispatchEvent(new Event('visibilitychange'));
      await harness.navigateByUrl(route);
      harness.fixture.detectChanges();
      expect(count('app_companion_overview')).toBe(before.companion);
      expect(harness.routeNativeElement?.querySelector('.center-sync')).toBeNull();
      const center = harness.fixture.debugElement.query(By.directive(CourseCenterPageComponent)).componentInstance as CourseCenterPageComponent;
      center.showTomorrow();
      expect(count('app_companion_overview')).toBe(before.companion + 1);
      center.showToday();
      expect(count('app_companion_overview')).toBe(before.companion + 1);
      center.load(true);
      expect(count('app_companion_overview')).toBe(before.companion + 2);
      await harness.navigateByUrl('/pages/home/ucenter');
      harness.fixture.detectChanges();
      expect(count('app_account_overview')).toBe(before.account);
      expect(harness.routeNativeElement?.textContent).not.toContain('正在同步...');
      expect(harness.routeNativeElement?.querySelector('.account-live-status')).toBeNull();
      expect(harness.routeNativeElement?.querySelector('.account-refresh')).toBeNull();
      expect(count('app_account_overview')).toBe(before.account);
      expect(count('app_live_versions')).toBe(before.versions);
    });
  }

  it('shows only review states to students and keeps pay labels on teacher calendars', async () => {
    const harness = await RouterTestingHarness.create('/pages/stu/stu_calendar?scope=overdue');
    const calendar = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    const today = new Date().toLocaleDateString('sv-SE', {timeZone:'Asia/Shanghai'});
    calendar.calendarItems.set([
      {GeneralID:1,kywsj:'2000-01-01',kywrq:'2000-01-01',fxzt:0},
      {GeneralID:2,kywsj:today,kywrq:today,fxzt:0},
      {GeneralID:3,kywsj:'2999-01-01',kywrq:'2999-01-01',fxzt:0},
      {GeneralID:4,kywsj:'2000-01-01',kywrq:'2000-01-01',fxzt:1},
    ]);
    const states = () => Array.from(harness.routeNativeElement!.querySelectorAll('.task-state')).map(node => node.textContent!.trim());
    harness.fixture.detectChanges();
    expect(states()).toEqual(['逾期补做','待复习','未到期','已完成']);
    expect(harness.routeNativeElement!.querySelector('.memory-date-tasks h2')?.textContent).toBe('逾期补做');
    expect(harness.routeNativeElement!.textContent).not.toMatch(/计薪|记薪|费用|薪酬|收入/);
    user.set({userId:300,groupId:3});session.groupId.set(3);harness.fixture.detectChanges();
    expect(states()).toEqual(['逾期补做 · 不计薪','待复习 · 当天完成计薪','未到期','已完成']);
    expect(harness.routeNativeElement!.querySelector('.memory-date-tasks h2')?.textContent).toBe('逾期补做 · 不计薪');
    user.set({userId:100,groupId:1});session.groupId.set(1);harness.fixture.detectChanges();
    expect(harness.routeNativeElement!.textContent).not.toMatch(/计薪|记薪|费用|薪酬|收入/);
  });

  it('loads the review calendar once per login and refreshes only on an explicit request', async () => {
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const originalPost = api.post.bind(api);
    const post = spyOn(api, 'post').and.callFake((action, params) => originalPost(action, params));
    const count = (action: string) => post.calls.allArgs().filter(([name]) => name === action).length;
    const harness = await RouterTestingHarness.create();

    await harness.navigateByUrl('/pages/stu/stu_calendar');
    harness.fixture.detectChanges();
    expect(count('app_review_page')).toBe(1);
    expect(count('app_live_versions')).toBe(0);

    await harness.navigateByUrl('/pages/member/starshop');
    await harness.navigateByUrl('/pages/stu/stu_calendar');
    harness.fixture.detectChanges();
    expect(count('app_review_page')).toBe(1);

    const calendar = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    calendar.retryCalendar();
    harness.fixture.detectChanges();
    expect(count('app_review_page')).toBe(2);

    await harness.navigateByUrl('/pages/member/starshop');
    session.token.set('next-login-token');
    await harness.navigateByUrl('/pages/stu/stu_calendar');
    harness.fixture.detectChanges();
    expect(count('app_review_page')).toBe(3);
    session.token.set('test-token');
  });

  it('silently reveals pending and completed words opened from student learning content', async () => {
    const play = spyOn(TestBed.inject(PlatformService), 'play');
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/his/his');
    (harness.routeNativeElement?.querySelector('.current-learning-list button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    (harness.routeNativeElement?.querySelector('.node-list button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();

    expect(TestBed.inject(Router).url).toContain('readonly=1');
    const learning = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    for (const [index, meaning] of ['n. 香蕉', 'n. 苹果'].entries()) {
      (harness.routeNativeElement?.querySelectorAll('.word-selection-tabs button')[index] as HTMLButtonElement).click();
      harness.fixture.detectChanges();
      expect(harness.routeNativeElement?.querySelector('.audio')).toBeNull();
      expect(harness.routeNativeElement?.textContent).not.toContain('读音');
      const word = harness.routeNativeElement?.querySelector('.word-reveal') as HTMLButtonElement;
      word.click();
      harness.fixture.detectChanges();
      expect(word.textContent).toContain(meaning);
      expect(word.getAttribute('aria-expanded')).toBe('true');
      word.click();
      harness.fixture.detectChanges();
      expect(word.getAttribute('aria-expanded')).toBe('false');
    }
    learning.words().forEach((word) => learning.play(word));
    expect(play).not.toHaveBeenCalled();
  });

  it('pages through all words in a history record without requesting a course unit', async () => {
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const originalPost = api.post.bind(api);
    const post = spyOn(api, 'post').and.callFake((action, params) => action === 'e_record_detail'
      ? of({ retcode: 1, result: Array.from({ length: 31 }, (_, index) => ({
        GeneralID: 700 + index,
        Title: `history-${index + 1}`,
        detail: [{ GeneralID: 700 + index, Title: `history-${index + 1}`, sy: `释义 ${index + 1}` }],
      })), addon: [] } as ApiEnvelope<any>)
      : originalPost(action, params));
    const get = spyOn(api, 'get').and.callThrough();
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/his/his_words?id=201');
    harness.fixture.detectChanges();

    const list = () => harness.routeNativeElement?.querySelectorAll('.readonly-word-list article') ?? [];
    expect(list().length).toBe(30);
    expect(harness.routeNativeElement?.textContent).toContain('共 31 个单词');
    (harness.routeNativeElement?.querySelector('.word-preview-pagination .page-direction:last-of-type') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(list().length).toBe(1);
    expect(list()[0].textContent).toContain('history-31');
    expect(harness.routeNativeElement?.textContent).toContain('2 / 2 页');
    expect(get.calls.allArgs().some(([action]) => action === 'e_ck_list')).toBeFalse();
    expect(post.calls.allArgs().filter(([action]) => action === 'e_record_detail').length).toBe(1);

    (harness.routeNativeElement?.querySelector('.word-preview-pagination .page-direction:first-child') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(list().length).toBe(30);
    expect(list()[0].textContent).toContain('history-1');
  });

  it('plays student history words on click without changing learning records or enabling unit preview audio', async () => {
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    api.historyWordAudio = 'apple.mp3';
    const post = spyOn(api, 'post').and.callThrough();
    const platform = TestBed.inject(PlatformService);
    const play = spyOn(platform, 'play').and.resolveTo('played');
    const stopAudio = spyOn(platform, 'stopAudio');
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/his/his');
    (harness.routeNativeElement?.querySelector('.learning-record-card .learning-item') as HTMLElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(TestBed.inject(Router).url).toBe('/pages/his/his_words?id=201');
    expect(play).not.toHaveBeenCalled();
    post.calls.reset();
    const button = harness.routeNativeElement?.querySelector('.history-word-audio') as HTMLButtonElement;
    expect(button.disabled).toBeFalse();
    expect(button.getAttribute('aria-label')).toBe('播放单词读音：apple');
    expect(harness.routeNativeElement?.querySelector('.readonly-word-list')?.textContent).not.toContain('苹果');
    button.querySelector('strong')!.click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.readonly-word-list')?.textContent).not.toContain('苹果');
    play.calls.mostRecent().args[2]!.onEnded();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.readonly-word-list')?.textContent).toContain('苹果');
    (button.querySelector('lucide-icon') as HTMLElement).click();
    expect(play).toHaveBeenCalledTimes(2);
    expect(play.calls.mostRecent().args[0]).toContain('apple.mp3');
    expect(post).not.toHaveBeenCalled();

    const learning = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    learning.words.update((words) => words.map((word) => ({ ...word, audio: '' })));
    harness.fixture.detectChanges();
    expect(button.disabled).toBeFalse();
    expect(harness.routeNativeElement?.textContent).toContain('点击生成读音');
    button.click();
    expect(play).toHaveBeenCalledTimes(2);

    stopAudio.calls.reset();
    await harness.navigateByUrl('/pages/home/index');
    expect(stopAudio).toHaveBeenCalled();
    await harness.navigateByUrl('/pages/stu/stu_con?nid=811&readonly=1');
    expect(harness.routeNativeElement?.querySelector('.history-word-audio')).toBeNull();
    const preview = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    preview.words().forEach((word) => preview.play(word));
    expect(play).toHaveBeenCalledTimes(2);
  });

  it('prepares listening choices during matching and reuses them when advancing', async () => {
    const prefix = 'xiaoshu.learning.100.100.practice.';
    const words = [{GeneralID:1001,Title:'apple',sy:'苹果'},{GeneralID:1002,Title:'banana',sy:'香蕉'}];
    localStorage.setItem(prefix+'learn_mode','newword');
    localStorage.setItem(prefix+'choose_newword_learn',JSON.stringify(words));
    localStorage.setItem(prefix+'_page_word_orilist',JSON.stringify([words]));
    localStorage.setItem(prefix+'_page_current_learn','1');
    const response = new Subject<ApiEnvelope<any>>();
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const get = api.get.bind(api);
    let count = 0;
    spyOn(api,'get').and.callFake((action,params) => {
      if (action==='content_list' && params?.['orders']==='NEWID()') {count++;return response;}
      return get(action,params);
    });
    spyOn(TestBed.inject(PlatformService),'play');
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/stu/stu3');
    expect(harness.routeNativeElement?.querySelector('.match-grid')).not.toBeNull();
    expect(count).toBe(1);
    response.next({retcode:1,result:[{GeneralID:301,Title:'cat',sy:'猫'},{GeneralID:302,Title:'dog',sy:'狗'},{GeneralID:303,Title:'bird',sy:'鸟'}]});
    response.complete();
    await harness.navigateByUrl('/pages/stu/stu4');
    expect(count).toBe(1);
    const learning = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    expect(learning.choicesLoading()).toBeFalse();
    expect(harness.routeNativeElement?.querySelectorAll('.option-list button').length).toBe(4);
  });

  it('keeps the spoken word among listening choices and discards answers from an earlier question', async () => {
    const prefix = 'xiaoshu.learning.100.100.practice.';
    const selectedWords = [
      { GeneralID: 1001, Title: 'apple', sy: '苹果', yp: 'apple.mp3' },
      { GeneralID: 1002, Title: 'banana', sy: '香蕉', yp: 'banana.mp3' },
    ];
    localStorage.setItem(prefix + 'learn_mode', 'newword');
    localStorage.setItem(prefix + 'choose_newword_learn', JSON.stringify(selectedWords));
    localStorage.setItem(prefix + '_page_word_orilist', JSON.stringify([selectedWords]));
    localStorage.setItem(prefix + '_page_current_learn', '1');
    const responses = [new Subject<ApiEnvelope<any>>(), new Subject<ApiEnvelope<any>>()];
    let requestCount = 0;
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const get = api.get.bind(api);
    spyOn(api, 'get').and.callFake((action, params) => action === 'content_list' && params?.['orders'] === 'NEWID()'
      ? responses[requestCount++] ?? of({ retcode: 1, result: [] } as ApiEnvelope<any>)
      : get(action, params));
    spyOn(TestBed.inject(PlatformService), 'play');
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/stu/stu4');
    const learning = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    const firstWord = learning.current()!;
    const firstResponse = responses[0];
    expect(requestCount).toBe(1);
    expect(learning.choicesLoading()).toBeTrue();
    learning.chooseMeaning(firstWord);
    expect(learning.current()).toBe(firstWord); // Cannot answer while options are loading.
    firstResponse?.next({ retcode: 1, result: Array.from({ length: 8 }, (_, index) => ({
      GeneralID: 301 + index, Title: `extra-${index}`, sy: `干扰项 ${index}`,
    })) });
    expect(learning.choiceOptions().length).toBe(4);
    expect(learning.choiceOptions().filter(option => Number(option.id) >= 301).length).toBeGreaterThanOrEqual(2);
    learning.chooseMeaning(firstWord);
    const secondWord = learning.current()!;
    expect(secondWord.id).not.toBe(firstWord.id);
    expect(requestCount).toBe(1); // Reuse the pool instead of requesting each question.
    firstResponse?.next({ retcode: 1, result: [{ GeneralID: 999, Title: 'stale', sy: '迟到结果' }] });
    expect(learning.choiceOptions().length).toBe(4);
    expect(learning.choiceOptions().some(option => option.id === '999')).toBeFalse();
    expect(learning.choiceOptions().some(option => option.id === secondWord.id)).toBeTrue();
    localStorage.removeItem(prefix + 'learn_mode');
    localStorage.removeItem(prefix + 'choose_newword_learn');
    localStorage.removeItem(prefix + '_page_word_orilist');
    localStorage.removeItem(prefix + '_page_current_learn');
  });

  it('lets a student study selected words from their wordbook while keeping course stages teacher-led', async () => {
    localStorage.removeItem('xiaoshu.learning.100.100.practice.learn_mode');
    localStorage.removeItem('xiaoshu.learning.100.100.practice.choose_newword_learn');
    const harness = await RouterTestingHarness.create();
    const router = TestBed.inject(Router);
    await harness.navigateByUrl('/pages/member/starshop');
    (harness.routeNativeElement?.querySelector('.word-select-list > button') as HTMLButtonElement).click();
    (harness.routeNativeElement?.querySelector('.selection-header .primary-button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();

    const learning = () => harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    expect(router.url).toContain('/pages/stu/stu_con');
    expect(learning().words().map((word) => word.word)).toEqual(['tend']);
    learning().skipStudyList();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toContain('/pages/stu/stu3');
    expect(learning().words().map((word) => word.word)).toEqual(['tend']);
    learning().chooseMatch('left', learning().words()[0]);
    learning().chooseMatch('right', learning().words()[0]);
    learning().continueAfterStage();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toContain('/pages/stu/stu4');
    expect(learning().words().map((word) => word.word)).toEqual(['tend']);
    learning().chooseMeaning(learning().words()[0]);
    learning().continueAfterStage();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toContain('/pages/stu/stu5');
    for (const letter of learning().current()!.word) {
      const index = learning().letters().findIndex((choice) => !choice.used && choice.value === letter);
      expect(index).toBeGreaterThanOrEqual(0);
      learning().spellLetter(index);
    }
    learning().nextSpellingWord();
    learning().continueAfterStage();
    await harness.fixture.whenStable();
    expect(router.url).toBe('/pages/member/starshop');
    expect(localStorage.getItem('xiaoshu.learning.100.100.practice.learn_mode')).toBeNull();

    await harness.navigateByUrl('/pages/stu/stu_con?nids=811&pnid=801');
    await harness.fixture.whenStable();
    expect(router.url).toBe('/pages/home/cart');
  });

  it('lets a teacher open a student wordbook, switch learners and save practice for the selected learner', async () => {
    user.set({userId:300, userName:'coach', honeyName:'老师', groupId:3});
    session.groupId.set(3);
    selectedStudent.set({userId:888, honeyName:'正在排课的学员', groupId:1});
    spyOn(TestBed.inject(PlatformService), 'play').and.resolveTo('played');
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const get = api.get.bind(api);
    const pendingFirstLearner = new Subject<ApiEnvelope<any>>();
    const words = (uid: number, completed = false) => ({
      retcode:1, result:[{GeneralID:uid, xxcs:completed ? 2 : 1,
        detail:[{GeneralID:uid+700, Title:uid===100 ? 'apple' : 'banana', sy:uid===100 ? '苹果' : '香蕉', yp:'/UploadFiles/test.mp3'}]}],
      page:{itemCount:1, pendingCount:completed ? 0 : 1, completedCount:completed ? 1 : 0},
    });
    const read = spyOn(api, 'get').and.callFake((action, params): Observable<ApiEnvelope<any>> => {
      if (action === 'e_user_list') return of({retcode:1, result:[{userId:100, honeyName:'学员甲'}, {userId:101, honeyName:'学员乙'}]});
      if (action !== 'e_words_list') return get(action, params);
      const uid = Number(params?.['uid']);
      const completed = params?.['learningStatus'] === 'completed';
      if (uid === 100 && completed) return pendingFirstLearner;
      const saved = uid === 101 && api.lastLearningWordUpdate['save'] === 1;
      if (saved !== completed) return of({retcode:1, result:[], page:{itemCount:0, pendingCount:saved ? 0 : 1, completedCount:saved ? 1 : 0}});
      return of(words(uid, saved));
    });
    const harness = await RouterTestingHarness.create();
    const router = TestBed.inject(Router);
    const page = () => harness.routeNativeElement!;
    const stage = () => harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    const settled = async () => { await harness.fixture.whenStable(); harness.fixture.detectChanges(); };
    await harness.navigateByUrl('/pages/home/index');
    (page().querySelector('.coach-wordbook-entry') as HTMLAnchorElement).click();
    await settled();
    expect(router.url).toBe('/pages/member/starshop');
    expect(read).toHaveBeenCalledWith('e_user_list', jasmine.objectContaining({scope:'wordbook'}));
    expect(page().querySelector('.word-select-list')?.textContent).toContain('apple');
    expect(page().querySelector('.danger-button')).toBeNull();
    (page().querySelector('.word-select-list button') as HTMLButtonElement).click();
    (page().querySelectorAll('.word-selection-tabs button')[1] as HTMLButtonElement).click();
    const picker = page().querySelector<HTMLSelectElement>('#wordbook-student')!;
    picker.value = '101';
    picker.dispatchEvent(new Event('change'));
    pendingFirstLearner.next(words(100, true));
    await settled();
    expect(page().querySelector('.word-select-list')?.textContent).toContain('banana');
    expect(page().querySelector('.word-select-list')?.textContent).not.toContain('apple');
    expect(stage().selected().size).toBe(0);
    expect(selectedStudent()?.userId).toBe(888);
    (page().querySelector('.word-select-list button') as HTMLButtonElement).click();
    await settled();
    (page().querySelector('.selection-header .primary-button') as HTMLButtonElement).click();
    await settled();
    expect(router.url).toBe('/pages/stu/stu_con?wordbookStudentId=101');
    expect(stage().words().map(word=>word.word)).toEqual(['banana']);
    stage().skipStudyList();
    await settled();
    expect(router.url).toBe('/pages/stu/stu3?wordbookStudentId=101');
    stage().chooseMatch('left', stage().words()[0]);
    stage().chooseMatch('right', stage().words()[0]);
    stage().continueAfterStage();
    await settled();
    stage().chooseMeaning(stage().words()[0]);
    stage().continueAfterStage();
    await settled();
    expect(router.url).toBe('/pages/stu/pl_stu5?wordbookStudentId=101');
    stage().skipSpellingStage();
    await settled();
    expect(api.lastLearningWordUpdate).toEqual(jasmine.objectContaining({uid:101, scope:'wordbook', wordsId:'801', save:1}));
    expect(router.url).toBe('/pages/member/starshop?wordbookStudentId=101');
    expect(page().querySelector<HTMLSelectElement>('#wordbook-student')?.value).toBe('101');
    expect(selectedStudent()?.userId).toBe(888);
    (page().querySelectorAll('.word-selection-tabs button')[1] as HTMLButtonElement).click();
    await settled();
    expect(page().querySelector('.completed-column')?.textContent).toContain('banana');
  }, 15000);

  it('separates unlearned and learned wordbook words while keeping selections across tabs', async () => {
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const get = api.get.bind(api);
    spyOn(api, 'get').and.callFake((action, params) => action === 'e_words_list'
      ? of({ retcode: 1, result: params?.['learningStatus'] === 'completed'
        ? [{ GeneralID: 602, Title: 'prepare@张雅茜', xxcs: 2, detail: [{ GeneralID: 702, Title: 'prepare', sy: '准备' }] }]
        : [{ GeneralID: 601, Title: 'tend@张雅茜', xxcs: 1, detail: [{ GeneralID: 701, Title: 'tend', sy: '照顾' }] }],
        page: { itemCount: 1, pendingCount: 1, completedCount: 1, pageCount: 1, pageIndex: 1, pageSize: 30 } } as ApiEnvelope<any>)
      : get(action, params));
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/member/starshop');
    harness.fixture.detectChanges();
    const tabs = harness.routeNativeElement?.querySelectorAll<HTMLButtonElement>('.word-selection-tabs button') ?? [];
    expect(tabs[0].textContent).toContain('未学习');
    expect(tabs[0].textContent).toContain('1');
    expect(harness.routeNativeElement?.querySelector('.pending-column')?.textContent).toContain('tend');
    (harness.routeNativeElement?.querySelector('.pending-column .word-select-list > button') as HTMLButtonElement).click();
    tabs[1].click();
    harness.fixture.detectChanges();
    expect(tabs[1].textContent).toContain('已学习');
    expect(harness.routeNativeElement?.querySelector('.completed-column')?.textContent).toContain('prepare');
    (harness.routeNativeElement?.querySelector('.completed-column .word-select-list > button') as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.selection-header strong')?.textContent).toContain('已选 2 个单词');
    tabs[0].click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.pending-column .word-select-list > button.selected')).not.toBeNull();
  });

  for (const legacy of [false, true]) {
    it(`selects wordbook words independently when practice IDs repeat (${legacy ? 'legacy' : 'paged'} response)`, async () => {
      const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
      const get = api.get.bind(api);
      const pending = Array.from({ length: 35 }, (_, index) => ({
        GeneralID: 601,
        scid: 701 + index,
        xxcs: 1,
        detail: [{ GeneralID: 701 + index, Title: `word-${index + 1}`, yp: 'word.mp3' }],
      }));
      const completed = [{ GeneralID: 601, scid: 801, xxcs: 2, detail: [{ GeneralID: 801, Title: 'done' }] }];
      spyOn(api, 'get').and.callFake((action, params) => {
        if (action !== 'e_words_list') return get(action, params);
        const rows = legacy ? [...pending, ...completed] : params?.['learningStatus'] === 'completed' ? completed : pending;
        const page = Number(params?.['cpage']);
        const size = Number(params?.['psize']);
        return of({ retcode: 1, result: rows.slice((page - 1) * size, page * size), page: {
          itemCount: rows.length, pageCount: Math.ceil(rows.length / size), pageIndex: page, pageSize: size,
          ...(!legacy ? { pendingCount: pending.length, completedCount: completed.length } : {}),
        } } as ApiEnvelope<any>);
      });
      const harness = await RouterTestingHarness.create();
      await harness.navigateByUrl('/pages/member/starshop');
      const view = () => harness.routeNativeElement!;
      const rows = () => view().querySelectorAll<HTMLButtonElement>('.word-select-list > button');
      const selected = () => Array.from(view().querySelectorAll('.word-select-list > button.selected strong'), node => node.textContent);
      const click = (element: HTMLElement) => { element.click(); harness.fixture.detectChanges(); };
      const expectCount = (count: number) => expect(view().querySelector('.selection-header strong')?.textContent).toContain(`已选 ${count} 个单词`);

      click(rows()[3]);
      expect(selected()).toEqual(['word-4']);
      expectCount(1);
      click(rows()[1]);
      expect(selected()).toEqual(['word-2', 'word-4']);
      click(rows()[3]);
      expect(selected()).toEqual(['word-2']);
      click(rows()[1].querySelector('.audio') as HTMLElement);
      expect(selected()).toEqual(['word-2']);

      click(view().querySelectorAll<HTMLButtonElement>('.mobile-pagination button')[1]);
      click(rows()[0]);
      expect(selected()).toEqual(['word-31']);
      expectCount(2);
      click(view().querySelectorAll<HTMLButtonElement>('.word-selection-tabs button')[1]);
      expect(selected()).toEqual([]);
      click(rows()[0]);
      expectCount(3);
      click(view().querySelectorAll<HTMLButtonElement>('.word-selection-tabs button')[0]);
      expect(selected()).toEqual(['word-2']);
      click(view().querySelector('.selection-header .primary-button') as HTMLButtonElement);
      await harness.fixture.whenStable();
      harness.fixture.detectChanges();
      const learning = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
      expect(learning.words().map(word => word.word)).toEqual(['word-2', 'word-31', 'done']);
      expect(new Set(learning.words().map(word => word.id)).size).toBe(3);
      learning.leave();
      await harness.fixture.whenStable();
    });
  }

  it('deletes only the selected vocabulary ID when a wordbook detail uses scid as its identity', async () => {
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const get = api.get.bind(api);
    spyOn(api, 'get').and.callFake((action, params) => action === 'e_words_list'
      ? of({ retcode: 1, result: [
        { GeneralID: 601, scid: 701, xxcs: 1, detail: [{ GeneralID: 701, Title: 'first' }] },
        { GeneralID: 601, scid: 702, xxcs: 1, detail: { Title: 'second' } },
      ], page: { itemCount: 2, pendingCount: 2, completedCount: 0, pageCount: 1, pageIndex: 1, pageSize: 30 } } as ApiEnvelope<any>)
      : get(action, params));
    const post = spyOn(api, 'post').and.callThrough();
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/member/starshop');
    const view = harness.routeNativeElement!;
    view.querySelectorAll<HTMLButtonElement>('.word-select-list > button')[1].click();
    harness.fixture.detectChanges();
    expect(view.querySelectorAll('.word-select-list > button.selected').length).toBe(1);
    (view.querySelector('.danger-button') as HTMLButtonElement).click();
    expect(post).toHaveBeenCalledWith('e_add_words', jasmine.objectContaining({ uid: 100, wordsId: '702', ifnew: 0 }));
  });

  for (const role of [1,3]) {
    it(`reveals a wordbook meaning only after completed pronunciation for role ${role}`,async()=>{
      user.set({userId:role===3?300:100,groupId:role});session.groupId.set(role);
      const api=TestBed.inject(ApiService),original=api.get.bind(api);
      spyOn(api,'get').and.callFake(((action:string,params:Record<string,unknown>={})=>{
        if(action==='e_user_list')return of({retcode:0,result:[{userId:100,honeyName:'学员甲'},{userId:101,honeyName:'学员乙'}]});
        if(action==='e_words_list')return of({retcode:0,result:[{GeneralID:601,xxcs:params['learningStatus']==='completed'?2:1,detail:[{GeneralID:701,Title:'apple',sy:'苹果',yp:'apple.mp3'}]},{GeneralID:602,xxcs:params['learningStatus']==='completed'?2:1,detail:[{GeneralID:702,Title:'banana',sy:'香蕉',yp:'banana.mp3'}]}],...(role===3?{page:{itemCount:2,pendingCount:2,completedCount:2}}:{})});
        return original(action,params);
      }) as typeof api.get);
      const platform=TestBed.inject(PlatformService),play=spyOn(platform,'play').and.resolveTo('played');spyOn(platform,'toast');
      const harness=await RouterTestingHarness.create('/pages/member/starshop');await harness.fixture.whenStable();harness.fixture.detectChanges();
      const component=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
      const rows=()=>harness.routeNativeElement!.querySelectorAll<HTMLButtonElement>('.word-select-list > button');
      const meanings=()=>Array.from(harness.routeNativeElement!.querySelectorAll('.word-select-list small'),node=>node.textContent);
      expect(meanings()).toEqual([]);
      rows()[0].click();await harness.fixture.whenStable();harness.fixture.detectChanges();expect(meanings()).toEqual([]);
      const old=play.calls.mostRecent().args[2]!;expect(old).toBeDefined();if(!old)return;
      rows()[1].click();await harness.fixture.whenStable();harness.fixture.detectChanges();
      old.onEnded();harness.fixture.detectChanges();expect(meanings()).toEqual([]);
      play.calls.mostRecent().args[2]!.onError?.();harness.fixture.detectChanges();expect(meanings()).toEqual([]);
      rows()[0].querySelector<HTMLElement>('.audio')!.click();await harness.fixture.whenStable();
      play.calls.mostRecent().args[2]!.onEnded();harness.fixture.detectChanges();expect(meanings()).toEqual(['苹果']);
      expect(component.selected().size).toBe(2);
      component.load();await harness.fixture.whenStable();harness.fixture.detectChanges();expect(meanings()).toEqual([]);
      rows()[0].click();await harness.fixture.whenStable();const late=play.calls.mostRecent().args[2]!;
      if(role===3)component.selectWordbookStudent(101);else {component.selectNewWordBucket('completed');component.selectNewWordBucket('pending');}
      await harness.fixture.whenStable();late.onEnded();harness.fixture.detectChanges();expect(meanings()).toEqual([]);
    });
  }

  it('pronounces a wordbook word on row click and only once on speaker click', async () => {
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const get = api.get.bind(api);
    spyOn(api, 'get').and.callFake((action, params) => action === 'e_words_list'
      ? of({ retcode: 1, result: [{ GeneralID: 601, xxcs: 1, detail: [{ GeneralID: 701, Title: 'tend', yp: 'UploadFiles/tend.mp3' }] }],
        page: { itemCount: 1, pageCount: 1, pageIndex: 1, pageSize: Number(params?.['psize']) } } as ApiEnvelope<any>)
      : get(action, params));
    const play = spyOn(TestBed.inject(PlatformService), 'play');
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/member/starshop');
    harness.fixture.detectChanges();
    const row = harness.routeNativeElement?.querySelector('.pending-column .word-select-list > button') as HTMLButtonElement;
    row.querySelector('strong')!.click();
    harness.fixture.detectChanges();
    expect(row.classList.contains('selected')).toBeTrue();
    expect(play).toHaveBeenCalledTimes(1);
    expect(play.calls.mostRecent().args[0]).toBe('UploadFiles/tend.mp3');
    expect(play.calls.mostRecent().args[0]).not.toContain('UploadFiles/UploadFiles');
    (row.querySelector('.audio') as HTMLElement).click();
    harness.fixture.detectChanges();
    expect(play).toHaveBeenCalledTimes(2);
    expect(row.classList.contains('selected')).toBeTrue();
  });

  it('shows 30 wordbook words per page while counting every learning status', async () => {
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const get = api.get.bind(api);
    const pending = Array.from({ length: 65 }, (_, index) => ({ GeneralID: 601 + index, xxcs: 1, detail: [{ GeneralID: 701 + index, Title: `pending-${index + 1}` }] }));
    const completed = Array.from({ length: 7 }, (_, index) => ({ GeneralID: 801 + index, xxcs: 2, detail: [{ GeneralID: 901 + index, Title: `completed-${index + 1}` }] }));
    const requests: Record<string, unknown>[] = [];
    spyOn(api, 'get').and.callFake((action, params) => {
      if (action !== 'e_words_list') return get(action, params);
      requests.push(params ?? {});
      const rows = params?.['learningStatus'] === 'completed' ? completed : pending;
      const page = Number(params?.['cpage']);
      const size = Number(params?.['psize']);
      return of({ retcode: 1, result: rows.slice((page - 1) * size, page * size),
        page: { itemCount: rows.length, pendingCount: pending.length, completedCount: completed.length,
          pageCount: Math.ceil(rows.length / size), pageIndex: page, pageSize: size } } as ApiEnvelope<any>);
    });
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/member/starshop');
    harness.fixture.detectChanges();
    const view = () => harness.routeNativeElement!;
    const rows = () => view().querySelectorAll('.pending-column .word-select-list > button');
    expect(requests[0]).toEqual(jasmine.objectContaining({ learningStatus: 'pending', cpage: 1, psize: 30 }));
    expect(rows().length).toBe(30);
    expect(view().querySelectorAll('.word-selection-tabs b')[0].textContent).toContain('65');
    expect(view().querySelectorAll('.word-selection-tabs b')[1].textContent).toContain('7');
    (rows()[0] as HTMLButtonElement).click();
    (view().querySelectorAll('.mobile-pagination button')[1] as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(requests[1]).toEqual(jasmine.objectContaining({ learningStatus: 'pending', cpage: 2, psize: 30 }));
    expect(rows().length).toBe(30);
    expect(view().querySelector('.mobile-pagination')?.textContent).toContain('第 2 / 3 页');
    (view().querySelectorAll('.word-selection-tabs button')[1] as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(requests[2]).toEqual(jasmine.objectContaining({ learningStatus: 'completed', cpage: 1, psize: 30 }));
    expect(view().querySelectorAll('.completed-column .word-select-list > button').length).toBe(7);
    expect(view().querySelector('.selection-header strong')?.textContent).toContain('已选 1 个单词');
  });

  it('keeps wordbook counts and rows correct when the server only returns the old mixed list', async () => {
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const get = api.get.bind(api);
    const all = Array.from({ length: 139 }, (_, index) => ({
      GeneralID: 601 + index,
      xxcs: 1,
      detail: [{ GeneralID: 701 + index, Title: `word-${index + 1}` }],
    }));
    const requests: Record<string, unknown>[] = [];
    spyOn(api, 'get').and.callFake((action, params) => {
      if (action !== 'e_words_list') return get(action, params);
      requests.push(params ?? {});
      const page = Number(params?.['cpage']);
      const size = Number(params?.['psize']);
      return of({ retcode: 1, result: all.slice((page - 1) * size, page * size),
        page: { itemCount: all.length, pageCount: Math.ceil(all.length / size), pageIndex: page, pageSize: size } } as ApiEnvelope<any>);
    });
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/member/starshop');
    harness.fixture.detectChanges();
    const view = () => harness.routeNativeElement!;
    expect(requests.length).toBe(2);
    expect(requests[0]).toEqual(jasmine.objectContaining({ learningStatus: 'pending', psize: 30 }));
    expect(requests[1]).toEqual(jasmine.objectContaining({ cpage: 1, psize: 500 }));
    expect(view().querySelectorAll('.word-selection-tabs b')[0].textContent).toContain('139');
    expect(view().querySelectorAll('.word-selection-tabs b')[1].textContent).toContain('0');
    expect(view().querySelectorAll('.pending-column .word-select-list > button').length).toBe(30);
    expect(view().querySelector('.pending-column .word-select-list > button')?.textContent).toContain('word-1');
    expect(view().querySelector('.mobile-pagination')?.textContent).toContain('第 1 / 5 页 · 共 139 个单词');
    (view().querySelectorAll('.mobile-pagination button')[1] as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(view().querySelector('.mobile-pagination')?.textContent).toContain('第 2 / 5 页');
    (view().querySelectorAll('.word-selection-tabs button')[1] as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(view().querySelectorAll('.completed-column .word-select-list > button').length).toBe(0);
    expect(requests.length).toBe(2);
  });

  it('saves completed wordbook study before showing the word in the learned tab', async () => {
    const prefix = 'xiaoshu.learning.100.100.practice.';
    const word = { GeneralID: 701, Title: 'tend', sy: '照顾' };
    localStorage.setItem(prefix + 'learn_mode', JSON.stringify('newword'));
    localStorage.setItem(prefix + 'choose_newword_learn', JSON.stringify([word]));
    localStorage.setItem(prefix + '_page_word_orilist', JSON.stringify([[word]]));
    localStorage.setItem(prefix + '_page_current_learn', JSON.stringify(1));
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const get = api.get.bind(api);
    spyOn(api, 'get').and.callFake((action, params) => action === 'e_words_list'
      ? of({ retcode: 1, result: api.lastLearningWordUpdate['save'] === 1 && params?.['learningStatus'] === 'completed'
        ? [{ GeneralID: 601, Title: 'tend@张雅茜', xxcs: 2, detail: [word] }]
        : api.lastLearningWordUpdate['save'] === 1 ? [] : [{ GeneralID: 601, Title: 'tend@张雅茜', xxcs: 1, detail: [word] }],
        page: { itemCount: params?.['learningStatus'] === 'completed' ? 1 : api.lastLearningWordUpdate['save'] === 1 ? 0 : 1,
          pendingCount: api.lastLearningWordUpdate['save'] === 1 ? 0 : 1, completedCount: api.lastLearningWordUpdate['save'] === 1 ? 1 : 0,
          pageCount: 1, pageIndex: 1, pageSize: 30 } } as ApiEnvelope<any>)
      : get(action, params));
    const harness = await RouterTestingHarness.create();
    const router = TestBed.inject(Router);
    await harness.navigateByUrl('/pages/stu/stu5');
    const learning = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    learning.skipSpellingStage();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(api.lastLearningWordUpdate).toEqual(jasmine.objectContaining({ uid: 100, wordsId: '701', save: 1 }));
    expect(router.url).toBe('/pages/member/starshop');
    const tabs = harness.routeNativeElement?.querySelectorAll<HTMLButtonElement>('.word-selection-tabs button') ?? [];
    expect(tabs[0].textContent).toContain('0');
    tabs[1].click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.completed-column')?.textContent).toContain('tend');
  }, 15000);

  it('skips the entire spelling stage for student wordbook self-study in one click', async () => {
    const prefix = 'xiaoshu.learning.100.100.practice.';
    const words = [
      { GeneralID: 701, Title: 'tend', sy: '照顾' },
      { GeneralID: 702, Title: 'work on', sy: '从事' },
      { GeneralID: 703, Title: 'prepare', sy: '准备' },
    ];
    localStorage.setItem(prefix + 'learn_mode', JSON.stringify('newword'));
    localStorage.setItem(prefix + 'choose_newword_learn', JSON.stringify(words.slice(0, 2)));
    localStorage.setItem(prefix + '_page_word_orilist', JSON.stringify([words.slice(0, 2), words.slice(2)]));
    localStorage.setItem(prefix + '_page_current_learn', JSON.stringify(1));
    const harness = await RouterTestingHarness.create();
    const router = TestBed.inject(Router);
    await harness.navigateByUrl('/pages/stu/stu5');
    harness.fixture.detectChanges();
    const learning = () => harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    expect(learning().words().length).toBe(2);
    expect(learning().currentIndex()).toBe(0);
    const skip = Array.from(harness.routeNativeElement?.querySelectorAll<HTMLButtonElement>('.skippable-spelling-actions button') ?? [])
      .find((button) => button.textContent?.includes('跳过这一关'))!;
    skip.click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toContain('/pages/stu/stu_con');
    expect(learning().words().map((word) => word.word)).toEqual(['prepare']);
    learning().skipStudyList();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    learning().chooseMatch('left', learning().words()[0]);
    learning().chooseMatch('right', learning().words()[0]);
    learning().continueAfterStage();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toContain('/pages/stu/stu4');
    learning().chooseMeaning(learning().words()[0]);
    learning().continueAfterStage();
    await harness.fixture.whenStable();
    expect(router.url).toBe('/pages/member/starshop');
    expect(localStorage.getItem(prefix + 'learn_mode')).toBeNull();
  }, 15000);

  it('still pronounces pending and completed words when a coach reveals them', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    session.student.set({ userId: 100, userName: 'student', groupId: 1 });
    const play = spyOn(TestBed.inject(PlatformService), 'play');
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/stu/stu_abc?nids=811,812&pnid=801');
    for (const index of [0, 1]) {
      (harness.routeNativeElement?.querySelectorAll('.word-selection-tabs button')[index] as HTMLButtonElement).click();
      harness.fixture.detectChanges();
      expect(harness.routeNativeElement?.querySelector('.audio')).not.toBeNull();
      (harness.routeNativeElement?.querySelector('.word-reveal') as HTMLButtonElement).click();
    }
    expect(play).toHaveBeenCalledTimes(2);
    expect(play.calls.argsFor(0)[0]).toContain('banana.mp3');
    expect(play.calls.argsFor(1)[0]).toContain('apple.mp3');
  });

  it('allows second and third passes per word before the whole book is finished and stops selection after three passes', async () => {
    user.set({userId:300,groupId:3});session.groupId.set(3);session.student.set({userId:100,groupId:1});
    const api=TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    api.courseWords=[{GeneralID:1001,NodeID:811,Title:'apple',w_learned:1},{GeneralID:1002,NodeID:811,Title:'banana',w_learned:2},{GeneralID:1003,NodeID:811,Title:'pear',w_learned:3}];
    api.courseBookCounts=[1,1,1,1]; // An unselected unit still has a first-pass word.
    const harness=await RouterTestingHarness.create('/pages/stu/stu_abc?nids=811&pnid=801&bindingId=701');
    const learning=()=>harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    const tab=(n:number)=>(harness.routeNativeElement!.querySelectorAll('.course-pass-tabs button')[n] as HTMLButtonElement);
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement!.querySelectorAll('.course-pass-tabs button').length).toBe(4);
    tab(1).click();harness.fixture.detectChanges();
    expect(harness.routeNativeElement!.querySelector('.word-select-check')).not.toBeNull();
    expect(harness.routeNativeElement!.textContent).toContain('选择单词开始第二遍学习');
    expect(learning().firstPassProgress()).toBe(75);
    const select=harness.routeNativeElement!.querySelector('.word-select-check') as HTMLButtonElement;
    select.click();harness.fixture.detectChanges();
    expect(learning().selected().size).toBe(1);
    tab(2).click();harness.fixture.detectChanges();
    const secondPass=harness.routeNativeElement!.querySelector('.word-select-check') as HTMLButtonElement;
    expect(secondPass).not.toBeNull();
    secondPass.click();harness.fixture.detectChanges();
    expect(learning().selected().size).toBe(2);
    secondPass.click();harness.fixture.detectChanges();
    expect(learning().selected().size).toBe(1);
    tab(3).click();harness.fixture.detectChanges();
    expect(harness.routeNativeElement!.textContent).toContain('已完成三遍学习');
    expect(harness.routeNativeElement!.querySelector('.word-select-check')).toBeNull();
    expect(learning().firstPassProgress()).toBe(75);
    // Selecting a learned word must actually enter the regular learning flow.
    tab(1).click();harness.fixture.detectChanges();
    (harness.routeNativeElement!.querySelector('.selection-header .primary-button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(TestBed.inject(Router).url).toContain('/pages/stu/stu_con');
    expect(learning().words().map(word=>word.word)).toEqual(['apple']);
    const finishPass=async()=>{
      for(let stage=0;stage<4;stage++){
        const skip=Array.from(harness.routeNativeElement!.querySelectorAll<HTMLButtonElement>('.sticky-actions button')).find(button=>button.textContent?.includes('跳过这一关'))!;
        skip.click();await harness.fixture.whenStable();harness.fixture.detectChanges();
      }
      expect(TestBed.inject(Router).url).toBe('/pages/his/his');
    };
    await finishPass();
    expect(api.courseIncrements.get('1001')).toBe(1);
    await harness.navigateByUrl('/pages/stu/stu_abc?nids=811&pnid=801&bindingId=701');harness.fixture.detectChanges();
    tab(2).click();harness.fixture.detectChanges();
    expect(learning().words().find(word=>word.word==='apple')?.['w_learned']).toBe(2);
    (harness.routeNativeElement!.querySelector('[aria-label="加入学习：apple"]') as HTMLButtonElement).click();
    (harness.routeNativeElement!.querySelector('.selection-header .primary-button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();harness.fixture.detectChanges();
    await finishPass();
    expect(api.courseIncrements.get('1001')).toBe(2);
    await harness.navigateByUrl('/pages/stu/stu_abc?nids=811&pnid=801&bindingId=701');harness.fixture.detectChanges();
    tab(3).click();harness.fixture.detectChanges();
    expect(learning().words().find(word=>word.word==='apple')?.['w_learned']).toBe(3);
    expect(harness.routeNativeElement!.querySelector('.word-select-check')).toBeNull();
    expect(learning().firstPassProgress()).toBe(75);
    api.courseBookCounts=[0,0,1,3];tab(0).click();tab(3).click();harness.fixture.detectChanges();
    expect(learning().firstPassProgress()).toBe(100);
  },30000);

  it('shows named schedule students below the trigger and closes after selection or Escape', async () => {
    user.set({userId:300,userName:'coach',honeyName:'张老师',groupId:3});
    const harness=await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/home/shop');
    const component=harness.fixture.debugElement.query(By.directive(CourseCenterPageComponent)).componentInstance as CourseCenterPageComponent;
    component.serverStudents.set([{id:'100',name:'张雅茜',count:15},{id:'101',name:'花花',count:9},{id:'102',name:' ',count:1}]);
    spyOn(component,'load').and.stub();
    harness.fixture.detectChanges();
    await new Promise(resolve => setTimeout(resolve, 0));
    const trigger=harness.routeNativeElement!.querySelector<HTMLButtonElement>('.student-filter .xs-dropdown-trigger')!;
    expect(trigger.textContent).toContain('全部学员（25）');
    trigger.click();harness.fixture.detectChanges();
    const menu=document.querySelector<HTMLElement>('.xs-dropdown-menu')!;
    expect(menu.textContent).toContain('张雅茜（15）');
    expect(menu.textContent).toContain('学员 102（1）');
    expect(menu.getBoundingClientRect().top).toBeGreaterThan(trigger.getBoundingClientRect().bottom);
    menu.querySelectorAll('button')[2].click();harness.fixture.detectChanges();
    await new Promise(resolve => setTimeout(resolve, 0));
    expect(component.selectedStudent()).toBe('101');
    expect(trigger.textContent).toContain('花花（9）');
    expect(document.querySelector('.xs-dropdown-menu')).toBeNull();
    trigger.click();harness.fixture.detectChanges();
    document.dispatchEvent(new KeyboardEvent('keydown',{key:'Escape'}));harness.fixture.detectChanges();
    expect(document.querySelector('.xs-dropdown-menu')).toBeNull();
  });

  it('shows the planned review day and original learning time for migrated August tasks', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const post = api.post.bind(api);
    spyOn(api, 'post').and.callFake((action, params) => action === 'app_review_page'
      ? of({ retcode: 1, result: {
        items: [{ GeneralID: 102, yhid: 100, xxjlid: 900, kcid: 801, Title: '张雅茜@任务',
          kywrq: params?.['date'], kywsj: '2026-09-01 09:00', CreateTime: '2026-09-01T02:25:17Z',
          learned_at: '2026-07-31T01:20:00Z', learned_date: '20260731', fxzt: 0 }],
        page: { itemCount: 1, pageCount: 1 }, summary: { total: 1, completed: 0, due: 1, today: 0, income: 0 },
        dates: [{ date: '2026-08-01', total: 1, completed: 0 }, { date: '2026-08-15', total: 1, completed: 0 }],
      } } as ApiEnvelope<any>) : post(action, params));
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/stu/stu_calendar?date=2026-08-01');
    await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.task-context')?.textContent).toContain('复习日期 2026-08-01');
    expect(harness.routeNativeElement?.querySelector('.first-learned-at')?.textContent).toContain('2026-07-31 09:20');
    (harness.routeNativeElement?.querySelector('[aria-label^="2026-08-15"]') as HTMLButtonElement).click();
    await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.task-context')?.textContent).toContain('复习日期 2026-08-15');
    const component = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    const task = component.calendarItems()[0];
    expect(component.calendarFirstLearnedAt({ learned_date: '20260731' })).toContain('2026-07-31（时间未记录）');
    component.openCalendar(task);
    await harness.fixture.whenStable();
    expect(TestBed.inject(Router).url).toContain('plannedDate=2026-08-15');
  });

  it('keeps the anti-forget page visible while a selected date loads locally', async () => {
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/stu/stu_calendar');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();

    const component = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    component.memoryMonth.set(new Date(2026, 8, 1, 12));
    component.memorySelectedDate.set('2026-09-11');
    harness.fixture.detectChanges();

    const response = new Subject<ApiEnvelope<unknown>>();
    api.reviewPageResponse = response;
    (harness.routeNativeElement?.querySelector('[aria-label^="2026-09-12"]') as HTMLButtonElement).click();
    harness.fixture.detectChanges();

    expect(api.lastMemoryParams['date']).toBe('2026-09-12');
    expect(harness.routeNativeElement?.querySelector('.memory-overview')).not.toBeNull();
    expect(harness.routeNativeElement?.querySelector('.memory-calendar')).not.toBeNull();
    expect(harness.routeNativeElement?.querySelector('.memory-list-loading')?.textContent).toContain('正在加载当日复习');

    response.next({
      retcode: 1,
      result: {
        items: [{ GeneralID: 120, Title: '张雅茜@任务', kc_title: '9月12日复习', kywsj: '2026-09-12 09:00', fxzt: 0, yhid: 100, xxjlid: 920 }],
        page: { itemCount: 1, pageCount: 1 },
        summary: { total: 1, completed: 0, due: 0, today: 0, income: 0 },
        dates: [{ date: '2026-09-12', total: 1, completed: 0 }],
      },
    });
    response.complete();
    api.reviewPageResponse = null;
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();

    expect(harness.routeNativeElement?.querySelector('.memory-list-loading')).toBeNull();
    expect(harness.routeNativeElement?.querySelector('.memory-date-tasks')?.textContent).toContain('9月12日复习');
  });

  it('shows a retryable error instead of an empty review when the detail has no words', async () => {
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const post = api.post.bind(api);
    spyOn(api, 'post').and.callFake((action, params) => action === 'e_record_detail'
      ? of({ retcode: 1, result: [], addon: [] } as ApiEnvelope<any>) : post(action, params));
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/stu/record?id=900&gid=102&kcid=801');
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.empty-state.error')?.textContent).toContain('没有读取到单词');
    expect(harness.routeNativeElement?.querySelector('.empty-state.error button')?.textContent).toContain('重新加载');
    expect(harness.routeNativeElement?.querySelector('.record-list')).toBeNull();
  });

  it('syncs a missing learning record and reopens its review words', async () => {
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const post = api.post.bind(api);
    let detailReads = 0;
    spyOn(api, 'post').and.callFake((action, params) => {
      if (action === 'e_record_detail') {
        detailReads += 1;
        return of({ retcode: 1, result: detailReads === 1 ? [] : [{ GeneralID: 701, Title: 'apple', sy: '苹果' }], addon: [] } as ApiEnvelope<any>);
      }
      if (action === 'app_learning_overview') return of({ retcode: 1, result: {} } as ApiEnvelope<any>);
      return post(action, params);
    });
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/stu/record?id=864038&gid=864047&kcid=398');
    harness.fixture.detectChanges();
    expect(detailReads).toBe(2);
    expect(harness.routeNativeElement?.querySelector('.record-word')?.textContent).toContain('apple');
    expect(harness.routeNativeElement?.querySelector('.empty-state.error')).toBeNull();
  });

  it('reads the original word list when the detail stays empty after syncing', async () => {
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const post = api.post.bind(api);
    const get = api.get.bind(api);
    spyOn(api, 'post').and.callFake((action, params) => action === 'e_record_detail'
      ? of({ retcode: 1, result: [], addon: [] } as ApiEnvelope<any>) : action === 'app_learning_overview'
        ? of({ retcode: 1, result: {} } as ApiEnvelope<any>) : post(action, params));
    spyOn(api, 'get').and.callFake((action, params) => action === 'content_get'
      ? of({ retcode: 1, result: [{ GeneralID: 864038, xxqs: JSON.stringify([{ GeneralID: 701, Title: 'apple' }]) }] } as ApiEnvelope<any>)
      : get(action, params));
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/stu/record?id=864038&gid=864047&kcid=398');
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.record-word')?.textContent).toContain('apple');
    expect(harness.routeNativeElement?.querySelector('.empty-state.error')).toBeNull();
  });

  it('allows a confirmed notes review to finish once without loading missing vocabulary', async () => {
    user.set({userId:300,groupId:3}); session.groupId.set(3); session.student.set({userId:100,groupId:1});
    const api = TestBed.inject(ApiService), post = api.post.bind(api), reply = new Subject<ApiEnvelope<any>>();
    const submit = spyOn(api, 'post').and.callFake((action,params) => action === 'e_record_detail'
      ? of({retcode:1,result:[],addon:[{reviewContentMode:'notes',courseCategoryKey:'high_writing'}]} as ApiEnvelope<any>)
      : action === 'app_review_complete' ? reply : post(action,params));
    const get = spyOn(api,'get').and.callThrough();
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/stu/record?id=864038&gid=864047'); harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.textContent).toContain('语法写作复习');
    expect(harness.routeNativeElement?.textContent).toContain('请带领学生复习课堂语法笔记');
    expect(harness.routeNativeElement?.querySelector('.record-list')).toBeNull();
    expect(get.calls.allArgs().some(a=>a[0]==='content_get')).toBeFalse();
    expect(submit.calls.allArgs().some(a=>a[0]==='app_learning_overview')).toBeFalse();
    const end = harness.routeNativeElement?.querySelector('.sticky-actions button') as HTMLButtonElement;
    expect(end.textContent).toContain('结束复习'); end.click(); harness.fixture.detectChanges();
    expect(end.disabled).toBeTrue();end.click();
    const requests=submit.calls.allArgs().filter(a=>a[0]==='app_review_complete');
    expect(requests.length).toBe(1);expect(requests[0][1]).toEqual({id:'864047'});
    expect(harness.routeNativeElement?.querySelector('.review-complete')).toBeNull();
    reply.next({retcode:1,result:{amount:1,rewardStatus:'earned'}});reply.complete();harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.review-complete')?.textContent).toContain('复习已完成');
  });

  it('identifies a legacy writing review with no original words and keeps it incomplete', async () => {
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const post = api.post.bind(api);
    const get = api.get.bind(api);
    spyOn(api, 'post').and.callFake((action, params) => action === 'e_record_detail'
      ? of({ retcode: 1, result: [], addon: [] } as ApiEnvelope<any>) : action === 'app_learning_overview'
        ? of({ retcode: 1, result: {} } as ApiEnvelope<any>) : post(action, params));
    spyOn(api, 'get').and.callFake((action, params) => action === 'content_get'
      ? of({ retcode: 1, result: [{ GeneralID: 864038, xxqs: '', learned: 0, con: '完成了写作学习' }] } as ApiEnvelope<any>)
      : get(action, params));
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/stu/record?id=864038&gid=864047&kcid=398');
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.textContent).toContain('写作学习记录，原本没有单词');
    expect(harness.routeNativeElement?.querySelector('.record-list')).toBeNull();
    expect(harness.routeNativeElement?.querySelector('a[href="/pages/stu/stu_calendar"]')).not.toBeNull();
    expect(harness.routeNativeElement?.textContent).not.toContain('结束本次复习');
  });

  it('renders source-shaped data for all four home entries', async () => {
    const harness = await RouterTestingHarness.create();

    await harness.navigateByUrl('/pages/home/index');
    expect(harness.fixture.nativeElement.querySelector('.tabbar')).not.toBeNull();
    expect(harness.routeNativeElement?.querySelector('.home-header [aria-label="搜索"]')).toBeNull();
    expect(harness.routeNativeElement?.querySelector('.home-header [aria-label="用户中心"]')).toBeNull();
    expect(harness.routeNativeElement?.querySelector('.memory-hero')).not.toBeNull();
    expect(harness.routeNativeElement?.querySelectorAll('.memory-dot').length).toBe(21);
    expect(harness.routeNativeElement?.querySelector('.today-panel')?.textContent).toContain('学习新词');
    expect(harness.routeNativeElement?.querySelectorAll('.student-stats > div').length).toBe(5);
    expect(harness.routeNativeElement?.querySelectorAll('.quick-grid > a').length).toBe(4);
    expect(harness.routeNativeElement?.querySelector('.continue-button')?.getAttribute('href')).toBe('/pages/stu/stu_calendar');
    expect(harness.routeNativeElement?.querySelector('.task-link')?.getAttribute('href')).toBe('/pages/home/cart');

    await harness.navigateByUrl('/pages/stu/index');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(TestBed.inject(Router).url).toBe('/pages/home/cart');
    expect(harness.routeNativeElement?.textContent).not.toContain('选择词库教材');

    await harness.navigateByUrl('/pages/stu/stu_list?nid=801&bindingId=701');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.node-list button').length).toBe(2);
    expect(harness.routeNativeElement?.querySelector('.node-list button')?.textContent).toContain('已学 1/20 · 进度 5%');
    expect(harness.routeNativeElement?.querySelectorAll('.unit-progress-ring').length).toBe(2);
    expect(harness.routeNativeElement?.querySelector('.unit-progress-ring')?.textContent).toContain('5%');
    expect(harness.routeNativeElement?.querySelector('.unit-selection-summary')).toBeNull();
    expect(harness.routeNativeElement?.querySelector('.unit-actions')).toBeNull();
    const firstUnit = harness.routeNativeElement?.querySelector('.node-list button') as HTMLButtonElement;
    firstUnit.click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    const readonlyRouter = TestBed.inject(Router);
    expect(readonlyRouter.url).toBe('/pages/stu/stu_abc?nids=811&pnid=801&readonly=1');
    expect(harness.routeNativeElement?.querySelector('.selection-header')?.textContent).toContain('词库学习进度');
    expect(harness.routeNativeElement?.querySelector('.selection-header .primary-button')).toBeNull();
    expect(harness.routeNativeElement?.querySelector('.pending-column')?.textContent).toContain('banana');
    expect(harness.routeNativeElement?.querySelector('.word-select-check')).toBeNull();
    expect(harness.routeNativeElement?.querySelector('.word-assessment')).toBeNull();
    (harness.routeNativeElement?.querySelectorAll('.word-selection-tabs button')[1] as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.completed-column')?.textContent).toContain('apple');
    expect(harness.routeNativeElement?.querySelector('.pending-column')).toBeNull();

    await harness.navigateByUrl('/pages/home/index');
    await harness.navigateByUrl('/pages/stu/stu_con?nid=813&pnid=801&readonly=1');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    const wordApi = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    expect(wordApi.lastWordParams['psize']).toBe(30);
    expect(harness.routeNativeElement?.querySelectorAll('.readonly-word-list article').length).toBe(30);
    expect(harness.routeNativeElement?.querySelector('.readonly-word-header')?.textContent).toContain('第 1–30 条 · 共 65 个单词');
    expect(harness.routeNativeElement?.querySelector('.word-preview-pagination')?.textContent).toContain('1 / 3 页');
    (harness.routeNativeElement?.querySelector('[aria-label="第 2 页"]') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(wordApi.lastWordParams['cpage']).toBe(2);
    expect(harness.routeNativeElement?.querySelectorAll('.readonly-word-list article').length).toBe(30);
    expect(harness.routeNativeElement?.querySelector('.readonly-word-header')?.textContent).toContain('第 31–60 条 · 共 65 个单词');
    expect(harness.routeNativeElement?.querySelector('.readonly-word-list')?.textContent).toContain('word-31');
    expect(harness.routeNativeElement?.querySelector('.word-preview-pagination')?.textContent).toContain('2 / 3 页');

    await harness.navigateByUrl('/pages/stu/stu_list?nid=999&bindingId=799');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(TestBed.inject(Router).url).toBe('/pages/stu/stu_abc?nids=999&readonly=1');
    expect(harness.routeNativeElement?.querySelector('.selection-header')?.textContent).toContain('词库学习进度');

    await harness.navigateByUrl('/pages/stu/stu_calendar');
    const calendarComponent=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    calendarComponent.memoryMonth.set(new Date(2026,7,1));
    calendarComponent.memorySelectedDate.set('2026-08-02');
    (calendarComponent as any).loadCalendar();
    harness.fixture.detectChanges();
    expect(harness.fixture.nativeElement.querySelector('.tabbar')).toBeNull();
    expect(harness.routeNativeElement?.querySelector('.memory-student-filter')).toBeNull();
    expect(harness.routeNativeElement?.querySelectorAll('.memory-date').length).toBe(42);
    expect(harness.routeNativeElement?.querySelectorAll('.memory-date.completed, .memory-date.due').length).toBe(2);
    expect(harness.routeNativeElement?.querySelector('.memory-overview')?.textContent).toContain('2 / 3');
    expect(harness.routeNativeElement?.querySelector('.memory-date-tasks')?.textContent).toContain('高中英语复习');
    expect(harness.routeNativeElement?.querySelector('.review-sequence')?.textContent).toContain('第 3 次复习');
    expect(harness.routeNativeElement?.querySelector('.first-learned-at')?.textContent).toContain('首次学习：2026-07-20 10:20');
    for (let index = 0; index < 3; index += 1) {
      (harness.routeNativeElement?.querySelector('[aria-label="上个月"]') as HTMLButtonElement).click();
      harness.fixture.detectChanges();
    }
    expect(harness.routeNativeElement?.querySelector('[aria-label^="2026-05-15"]')?.classList).toContain('completed');
    expect(harness.routeNativeElement?.textContent).toContain('张雅茜');
    expect(harness.routeNativeElement?.querySelector('.memory-overview header b')?.textContent).toContain('67%');
    expect(harness.routeNativeElement?.querySelector('.memory-stats')?.textContent).toContain('2 / 3');

    await harness.navigateByUrl('/pages/home/ucenter');
    expect(harness.fixture.nativeElement.querySelector('.tabbar')).not.toBeNull();
    expect(harness.routeNativeElement?.querySelector('.new-word-entry')?.getAttribute('href')).toBe('/pages/home/cart');
    expect(harness.routeNativeElement?.querySelector('.course-memory')?.textContent).toContain('21 天抗遗忘计划');
    expect(harness.routeNativeElement?.querySelector('.memory-overview em')?.textContent).toContain('67%');
    expect(harness.routeNativeElement?.querySelector('.memory-overview')?.textContent).toContain('覆盖 3 个复习日');
    expect(harness.routeNativeElement?.querySelector('.memory-counts')?.textContent).toContain('3总任务');
    expect(harness.routeNativeElement?.querySelector('.memory-counts')?.textContent).toContain('2已完成');
    expect(harness.routeNativeElement?.querySelector('.memory-counts')?.textContent).toContain('1到期待复习');
    expect(harness.routeNativeElement?.querySelector('.memory-counts')?.textContent).toContain('0未来待复习');

    await harness.navigateByUrl('/pages/stu/record?id=827482&gid=828268&kcid=203');
    const recordWord = harness.routeNativeElement?.querySelector('.record-word') as HTMLButtonElement;
    expect(recordWord.querySelector('.record-copy strong')?.textContent).toBe('apple');
    expect(harness.routeNativeElement?.textContent).not.toContain('苹果');
    recordWord.click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(recordWord.querySelector('.record-copy strong')?.textContent).toBe('苹果');
    expect(harness.routeNativeElement?.querySelector('.record-overview')?.textContent).toContain('1 / 1');

    await harness.navigateByUrl('/pages/member/starshop');
    expect(harness.fixture.nativeElement.querySelector('.tabbar')).toBeNull();
    expect(harness.routeNativeElement?.querySelector('.word-select-list strong')?.textContent).toBe('tend');
    expect(harness.routeNativeElement?.querySelector('.word-select-list')?.textContent).not.toContain('@张雅茜');
    (harness.routeNativeElement?.querySelector('.word-select-list > button') as HTMLButtonElement).click();
    (harness.routeNativeElement?.querySelector('.selection-header .primary-button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    const selectedNewWords = JSON.parse(sessionStorage.getItem('xiaoshu.learning.100.100.practice.selectedWords') ?? '[]') as Array<{ word?: string }>;
    expect(selectedNewWords[0]?.word).toBe('tend');
    expect(sessionStorage.getItem('xiaoshu.learning.100.100.practice.selectedWords')).not.toContain('@张雅茜');

    await harness.navigateByUrl('/pages/his/well?nid=3');
    expect(harness.fixture.nativeElement.querySelector('.tabbar')).toBeNull();
    expect(harness.routeNativeElement?.textContent).toContain('阅读理解专项');

    await harness.navigateByUrl('/pages/home/cart');
    expect(harness.fixture.nativeElement.querySelector('.tabbar')).not.toBeNull();
    expect(harness.fixture.nativeElement.querySelector('.app-header .icon-button')).toBeNull();
    expect(harness.fixture.nativeElement.querySelector('.app-header h1')?.textContent).toContain('伴学中心');
    expect(harness.routeNativeElement?.querySelector('.library-entry')).toBeNull();
    expect(harness.routeNativeElement?.textContent).toContain('我的学习内容');
    expect(harness.routeNativeElement?.querySelectorAll('.course-list li').length).toBe(2);
    expect(harness.routeNativeElement?.querySelectorAll('.course-list button').length).toBe(2);
    expect((harness.routeNativeElement?.querySelector('.course-list button') as HTMLButtonElement).disabled).toBeFalse();
    expect((harness.routeNativeElement?.querySelectorAll('.course-list button')[1] as HTMLButtonElement).disabled).toBeFalse();
    expect(harness.routeNativeElement?.textContent).toContain('【七年级上册】同步词汇');
    expect(harness.routeNativeElement?.textContent).toContain('点击查看老师分配的单词列表');
    (harness.routeNativeElement?.querySelector('.course-list button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(TestBed.inject(Router).url).toBe('/pages/stu/stu_list?nid=801&bindingId=701');
    expect(harness.routeNativeElement?.querySelectorAll('.node-list button').length).toBe(2);
    expect((TestBed.inject(ApiService) as unknown as LearningModulesApiService).lastNodeParams['bindingId']).toBe('701');

    await harness.navigateByUrl('/pages/home/cart');
    expect(harness.routeNativeElement?.querySelectorAll('.schedule-list article').length).toBe(0);
    expect(harness.routeNativeElement?.querySelectorAll('.calendar-day').length).toBe(42);
    const allDates = Array.from(harness.routeNativeElement?.querySelectorAll('.range-tabs button') ?? [])
      .find((button) => button.textContent?.trim() === '全部') as HTMLButtonElement;
    allDates.click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.schedule-list article').length).toBe(3);
    expect(harness.routeNativeElement?.textContent).toContain('同步伴学');
    expect(harness.routeNativeElement?.textContent).toContain('历史伴学');
    const plannedIncompleteFilter = Array.from(harness.routeNativeElement?.querySelectorAll('.schedule-filters button') ?? [])
      .find((button) => button.textContent?.includes('计划未完成')) as HTMLButtonElement;
    expect(plannedIncompleteFilter.textContent).toContain('1');
    plannedIncompleteFilter.click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.schedule-list article').length).toBe(1);
    expect(harness.routeNativeElement?.textContent).toContain('计划未完成');
    expect(harness.routeNativeElement?.textContent).not.toContain('未来计划');
    (harness.routeNativeElement?.querySelector('.schedule-filters button') as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    expect(api.lastScheduleParams['mode']).toBe('student');
    expect(api.lastScheduleParams['pageSize']).toBe(20);
    const finishedFilter = Array.from(harness.routeNativeElement?.querySelectorAll('.schedule-filters button') ?? [])
      .find((button) => button.textContent?.includes('已结束')) as HTMLButtonElement;
    finishedFilter.click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.schedule-list article').length).toBe(1);
    expect(harness.routeNativeElement?.textContent).toContain('历史伴学');
    const allFilter = harness.routeNativeElement?.querySelector('.schedule-filters button') as HTMLButtonElement;
    allFilter.click();
    harness.fixture.detectChanges();
    const upcomingSchedule = Array.from(harness.routeNativeElement?.querySelectorAll('.schedule-list article') ?? [])
      .find((article) => article.textContent?.includes('同步伴学')) as HTMLElement;
    upcomingSchedule.click();
    await harness.fixture.whenStable();
    expect(TestBed.inject(Router).url).toBe('/pages/shop/stu_get_order?id=901');

    await harness.navigateByUrl('/pages/his/his');
    expect(harness.fixture.nativeElement.querySelector('.tabbar')).toBeNull();
    const aiReadingFeature = harness.routeNativeElement?.querySelector('.ai-reading-feature') as HTMLElement;
    expect(aiReadingFeature.textContent).toContain('AI 阅读巩固');
    expect(aiReadingFeature.textContent).toContain('生成阅读');
    expect(aiReadingFeature.textContent).toContain('AI 批改');
    expect(aiReadingFeature.querySelector('img')?.getAttribute('src')).toBe('/static/images/ai-reading-journey.png');
    const aiReadingCta = aiReadingFeature.querySelector('.ai-reading-cta') as HTMLButtonElement;
    expect(aiReadingCta.disabled).toBeFalse();
    expect(aiReadingFeature.textContent).toContain('最近学过的 1 个单词');
    expect(aiReadingCta.textContent).toContain('立即生成阅读');
    aiReadingCta.click();
    await harness.fixture.whenStable();
    const aiReadingRouter = TestBed.inject(Router);
    expect(aiReadingRouter.url).toContain('/words/go-reading');
    expect(aiReadingRouter.parseUrl(aiReadingRouter.url).queryParams['returnUrl']).toBe('/pages/his/his');
    expect(aiReadingRouter.parseUrl(aiReadingRouter.url).queryParams['GeneralID']).toBe('201');

    await harness.navigateByUrl('/pages/his/his');
    const currentLearningCard = harness.routeNativeElement?.querySelector('.current-learning-card') as HTMLElement;
    const learningRecordCard = harness.routeNativeElement?.querySelector('.learning-record-card') as HTMLElement;
    expect(currentLearningCard.textContent).toContain('我的学习内容');
    const records = harness.fixture.debugElement.query(By.directive(StudyRecordsPageComponent)).componentInstance as StudyRecordsPageComponent;
    expect(records.courseTitle({ Title: '单词课|高中@人教版2022年录', Title2: '人教版2022年录' })).toBe('【高中】人教版2022年录');
    expect(records.courseTitle({ Title: '单词课|初中@人教版2024年9月录', Title2: '人教版2024年9月录' })).toBe('【初中】人教版2024年9月录');
    expect(currentLearningCard.querySelectorAll('.current-learning-list button').length).toBe(2);
    expect((currentLearningCard.querySelectorAll('.current-learning-list button')[1] as HTMLButtonElement).disabled).toBeFalse();
    expect(currentLearningCard.compareDocumentPosition(learningRecordCard) & Node.DOCUMENT_POSITION_FOLLOWING).toBeTruthy();
    (currentLearningCard.querySelector('.current-learning-list button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(TestBed.inject(Router).url).toBe('/pages/stu/stu_list?nid=801&bindingId=701');
    expect(harness.routeNativeElement?.querySelectorAll('.node-list button').length).toBe(2);

    await harness.navigateByUrl('/pages/his/his');
    expect(harness.routeNativeElement?.textContent).toContain('初中英语 / Unit 1');
    expect(harness.routeNativeElement?.querySelectorAll('.learning-record-card .learning-item').length).toBe(2);
    (harness.routeNativeElement?.querySelector('.learning-record-card .learning-item') as HTMLElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(TestBed.inject(Router).url).toBe('/pages/his/his_words?id=201');
    expect(harness.routeNativeElement?.querySelector('.readonly-word-header')?.textContent).toContain('学生只读');
    expect(harness.routeNativeElement?.querySelector('.readonly-word-card')).not.toBeNull();
    expect(harness.routeNativeElement?.querySelector('.selection-header')).toBeNull();
    await harness.navigateByUrl('/pages/his/his');
    (harness.routeNativeElement?.querySelector('.date-trigger') as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    const currentMonth = new Date();
    const monthDifference = (2026 - currentMonth.getFullYear()) * 12 + (7 - currentMonth.getMonth());
    const shiftLabel = monthDifference < 0 ? '上个月' : '下个月';
    for (let index = 0; index < Math.abs(monthDifference); index += 1) {
      (harness.routeNativeElement?.querySelector(`[aria-label="${shiftLabel}"]`) as HTMLButtonElement).click();
      harness.fixture.detectChanges();
    }
    expect(harness.routeNativeElement?.querySelector('.date-picker-popover header strong')?.textContent).toContain('2026年8月');
    expect(harness.routeNativeElement?.querySelectorAll('.date-picker-day').length).toBe(42);
    expect(harness.routeNativeElement?.querySelectorAll('.date-picker-day.has-record').length).toBe(2);
    expect(harness.routeNativeElement?.querySelector('.date-picker-day.has-record')?.getAttribute('aria-label')).toContain('2026-08-01');
    (harness.routeNativeElement?.querySelector('[aria-label^="2026-08-01"]') as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.learning-record-card .learning-item').length).toBe(1);
    expect(harness.routeNativeElement?.querySelector('.learning-record-card')?.textContent).not.toContain('高中英语 / Unit 2');
    (harness.routeNativeElement?.querySelector('.record-actions button') as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.learning-record-card .learning-item').length).toBe(2);
    const completedReading = harness.routeNativeElement?.querySelector('.reading-button.completed') as HTMLButtonElement;
    expect(completedReading.textContent).toContain('已完成阅读');
    expect(completedReading.getAttribute('aria-label')).toBe('查看已完成的历史阅读理解');
    completedReading.click();
    await harness.fixture.whenStable();
    const router = TestBed.inject(Router);
    expect(router.url).toContain('/words/reading');
    expect(router.parseUrl(router.url).queryParams['sid']).toBe('readingarticle201');
    expect(router.parseUrl(router.url).queryParams['returnUrl']).toBe('/pages/his/his');
    await harness.navigateByUrl('/pages/his/his');
    const newReading = harness.routeNativeElement?.querySelector('.reading-button:not(.completed)') as HTMLButtonElement;
    expect(newReading.textContent).toContain('阅读');
    newReading.click();
    await harness.fixture.whenStable();
    expect(router.url).toContain('/words/go-reading');
    expect(router.parseUrl(router.url).queryParams['returnUrl']).toBe('/pages/his/his');
    expect(harness.routeNativeElement?.querySelector('.back-button')).not.toBeNull();
    (harness.routeNativeElement?.querySelector('.back-button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    expect(router.url).toBe('/pages/his/his');
    (harness.fixture.nativeElement.querySelector('.app-header .icon-button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    expect(router.url).toBe('/pages/home/index');

    await harness.navigateByUrl('/pages/his/exam');
    expect(harness.routeNativeElement?.textContent).toContain('第一组问题');
    expect(harness.routeNativeElement?.textContent).toContain('相当于初二水平');
    expect(harness.routeNativeElement?.textContent).toContain('共 1 题');

    const startButton = harness.routeNativeElement?.querySelector('.exam-intro > button') as HTMLButtonElement;
    startButton.click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.question-word')?.textContent).toContain('apple');
    expect(harness.routeNativeElement?.querySelector('.question-card > h2')).toBeNull();
    expect(harness.routeNativeElement?.querySelectorAll('.exam-options button').length).toBe(1);

    (harness.routeNativeElement?.querySelector('.exam-options button') as HTMLButtonElement).click();
    harness.fixture.detectChanges();
  });

  it('matches coach review tasks to student names by ID when task name fields are blank', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const response = new Subject<ApiEnvelope<unknown>>();
    api.reviewPageResponse = response;
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/home/index');
    response.next({ retcode: 1, result: {
      items: [
        { GeneralID: 102, yhid: 100, honeyName: '', Title: '旧姓名@复习', kywsj: String(api.lastMemoryParams['date']), fxzt: 0, xxjlid: 900 },
        { GeneralID: 103, yhid: '101', honeyName: ' ', HoneyName: '', kywsj: String(api.lastMemoryParams['date']), fxzt: 0, xxjlid: 901 },
      ],
      students: [{ id: '101', name: '李同学', taskCount: 1 }, { id: '100', name: '张雅茜', taskCount: 1 }],
      page: { itemCount: 2, pageCount: 1 },
      summary: { total: 2, completed: 0, due: 2, today: 0, income: 0 }, dates: [],
    } });
    response.complete();
    api.reviewPageResponse = null;
    harness.fixture.detectChanges();
    const names = Array.from(harness.routeNativeElement?.querySelectorAll('.coach-memory-copy strong') ?? []).map((node) => node.textContent);
    expect(names).toEqual(['张雅茜', '李同学']);
    const home = harness.fixture.debugElement.query(By.directive(HomePageComponent)).componentInstance as HomePageComponent;
    expect(home.coachReviewStudent({ yhid: 102, honeyName: '', HoneyName: ' ', Title: '王同学@复习' })).toBe('王同学');
    expect(home.coachReviewStudent({ yhid: 103, honeyName: '', Title: ' ' })).toBe('学员 103');
    expect(home.coachReviewStudent({ honeyName: '' })).toBe('未关联学员');
    (harness.routeNativeElement?.querySelectorAll('.coach-memory-list article > button')[1] as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    expect(session.student()).toEqual(jasmine.objectContaining({ userId: 101, honeyName: '李同学' }));
    expect(TestBed.inject(Router).url).toContain('/pages/stu/record?id=901&gid=103');
  });

  it('keeps the complete point-reading flow available to coaches', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    const harness = await RouterTestingHarness.create();

    await harness.navigateByUrl('/pages/home/index');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    const coachLinks = Array.from(harness.routeNativeElement?.querySelectorAll('.coach-quick-grid > a') ?? []).map((link) => link.getAttribute('href'));
    expect(coachLinks).toEqual(['/pages/home/shop', '/pages/member/ke_xiao', '/pages/his/his', '/pages/member/ke_fuxi', '/pages/member/starshop']);
    expect(harness.routeNativeElement?.querySelector('.home-header .header-action')).toBeNull();
    const coachAccountTab = (Array.from(harness.fixture.nativeElement.querySelectorAll('.tabbar a')) as HTMLAnchorElement[])
      .find((link) => link.getAttribute('href') === '/pages/home/ucenter');
    expect(coachAccountTab?.textContent).toContain('我的');
    expect(harness.routeNativeElement?.querySelector('.content-section')).toBeNull();
    const memoryApi = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    expect(memoryApi.lastMemoryParams).toEqual(jasmine.objectContaining({ uid: 300, pageSize:100, scope:'today', includeMetadata:false, includeIncome:false }));
    expect(harness.routeNativeElement?.querySelector('.coach-memory-board')?.textContent).toContain('抗遗忘带练');
    expect(harness.routeNativeElement?.querySelector('.coach-memory-board')?.textContent).toContain('张雅茜');
    expect(harness.routeNativeElement?.querySelector('.coach-memory-list article.ready > button')?.textContent).toContain('查看计划');
    expect(harness.routeNativeElement?.querySelector('.coach-memory-footer')?.getAttribute('href')).toBe('/pages/stu/stu_calendar');
    (harness.routeNativeElement?.querySelector('.coach-memory-list article.ready > button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    expect(TestBed.inject(Router).url).toContain('/pages/stu/record?id=900&gid=102');
    expect(session.student()?.userId).toBe(100);

    await harness.navigateByUrl('/pages/stu/stu_calendar');
    const calendarComponent=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    calendarComponent.memoryMonth.set(new Date(2026,7,1));
    calendarComponent.memorySelectedDate.set('2026-08-02');
    (calendarComponent as any).loadCalendar();
    harness.fixture.detectChanges();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(memoryApi.lastMemoryParams).toEqual(jasmine.objectContaining({ uid: 300, pageSize:20 }));
    expect(harness.routeNativeElement?.querySelector('.memory-copy')?.textContent).toContain('关联学员抗遗忘任务');
    expect(harness.routeNativeElement?.querySelector('.memory-date-tasks')?.textContent).toContain('张雅茜');
    expect(harness.routeNativeElement?.querySelector('.memory-date-tasks button')?.textContent).toContain('带学生复习');
    const memoryStudentFilter = harness.routeNativeElement?.querySelector('[aria-label="筛选抗遗忘学员"] select') as HTMLSelectElement;
    expect(memoryStudentFilter.options.length).toBe(2);
    memoryStudentFilter.value = '100';
    memoryStudentFilter.dispatchEvent(new Event('change'));
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.memory-date-tasks')?.textContent).toContain('张雅茜');
    expect(harness.routeNativeElement?.querySelector('.memory-date-tasks')?.textContent).not.toContain('李同学');
    expect(harness.routeNativeElement?.querySelector('.memory-stats')?.textContent).toContain('2 / 3');

    await harness.navigateByUrl('/pages/member/ke_xiao');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    const monthFilter = harness.routeNativeElement?.querySelector('[aria-label="按月份筛选陪练记录"]') as HTMLSelectElement;
    const monthPicker = harness.routeNativeElement?.querySelector('.month-control .xs-dropdown-trigger') as HTMLButtonElement;
    expect(monthFilter.value).toBe('all');
    expect(monthFilter.options.length).toBe(4);
    expect(monthPicker).not.toBeNull();
    expect(Number.parseFloat(getComputedStyle(monthPicker).paddingLeft)).toBeGreaterThanOrEqual(40);
    expect(monthPicker.getBoundingClientRect().height).toBe(46);
    expect(harness.routeNativeElement?.querySelectorAll('.schedule-list article').length).toBe(5);
    monthFilter.value = '2026-03';
    monthFilter.dispatchEvent(new Event('change'));
    const studentSelect = harness.routeNativeElement?.querySelector('select[aria-label="按学员筛选陪练记录"]') as HTMLSelectElement;
    expect(harness.routeNativeElement?.querySelector('input[type="search"]')).toBeNull();
    studentSelect.value = '102';
    studentSelect.dispatchEvent(new Event('change'));
    expect(memoryApi.lastScheduleParams['studentId']).toBe('102');
    expect(memoryApi.lastScheduleParams['search']).toBeUndefined();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.schedule-list article').length).toBe(1);
    expect(harness.routeNativeElement?.querySelector('.schedule-list')?.textContent).toContain('花花');
    expect(harness.routeNativeElement?.querySelector('.schedule-band > header')?.textContent).toContain('5 节');
    (harness.routeNativeElement?.querySelector('.history-filter-panel footer button:last-child') as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.schedule-list article').length).toBe(5);

    await harness.navigateByUrl('/pages/his/his');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect((harness.routeNativeElement?.querySelector('.student-filter select') as HTMLSelectElement).selectedOptions[0]?.textContent).toContain('张雅茜');
    expect(harness.routeNativeElement?.querySelectorAll('.learning-record-card .learning-item').length).toBe(2);
    expect(session.student()?.userId).toBe(100);
    (harness.routeNativeElement?.querySelector('.learning-record-card .learning-item') as HTMLElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(TestBed.inject(Router).url).toBe('/pages/his/his_words?id=201');
    expect(harness.routeNativeElement?.querySelector('.readonly-word-header')?.textContent).toContain('历史记录');
    expect(harness.routeNativeElement?.querySelector('.readonly-word-card')?.textContent).toContain('apple');
    expect(harness.routeNativeElement?.querySelector('.readonly-word-card')?.textContent).toContain('共 1 个单词');
    expect(harness.routeNativeElement?.querySelector('.selection-header')).toBeNull();

    await harness.navigateByUrl('/pages/his/his');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    const teacherCourse = harness.routeNativeElement?.querySelector('.current-learning-list button') as HTMLButtonElement;
    expect(teacherCourse.disabled).toBeFalse();
    expect(teacherCourse.classList.contains('readonly')).toBeFalse();
    expect(teacherCourse.textContent).toContain('选择本次学习单元');
    teacherCourse.click();
    await harness.fixture.whenStable();
    expect(TestBed.inject(Router).url).toContain('/pages/stu/stu_list');

    await harness.navigateByUrl('/pages/home/ucenter');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    const teacherServices = Array.from(harness.routeNativeElement?.querySelectorAll('.service-grid > a') ?? []).map((link) => link.getAttribute('href'));
    expect(teacherServices).toEqual(['/pages/home/shop', '/pages/member/ke_xiao', '/pages/his/his', '/pages/member/feedback']);
    expect(harness.routeNativeElement?.querySelector('.coach-wallet-strip')?.textContent).toContain('累计抗遗忘费用');

    await harness.navigateByUrl('/pages/stu/stu_list?nid=801&bindingId=701');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect((TestBed.inject(ApiService) as unknown as LearningModulesApiService).lastNodeParams['userId']).toBe(100);
    const units = harness.routeNativeElement?.querySelectorAll('.node-list button') as NodeListOf<HTMLButtonElement>;
    units[0].click();
    units[1].click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.unit-selection-summary')?.textContent).toContain('已选 2 个单元');
    (harness.routeNativeElement?.querySelector('.unit-actions .primary-button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    const router = TestBed.inject(Router);
    expect(router.url).toContain('/pages/stu/stu_abc');
    expect(harness.routeNativeElement?.querySelector('.pending-column')?.textContent).toContain('banana');
    expect(harness.routeNativeElement?.querySelector('.completed-column')).toBeNull();
    expect(harness.routeNativeElement?.querySelectorAll('.pending-column .word-refine-item').length).toBe(1);
    (harness.routeNativeElement?.querySelectorAll('.word-selection-tabs button')[1] as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.completed-column')?.textContent).toContain('apple');
    expect(harness.routeNativeElement?.querySelector('.pending-column')).toBeNull();
    (harness.routeNativeElement?.querySelectorAll('.word-selection-tabs button')[0] as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    const firstWord = harness.routeNativeElement?.querySelector('.pending-column .word-refine-item') as HTMLElement;
    (firstWord.querySelector('.word-reveal') as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    (firstWord.querySelector('.known-button') as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.pending-column .word-refine-item').length).toBe(0);
    expect(harness.routeNativeElement?.querySelector('.selection-header .primary-button')?.textContent).toContain('保存识词结果');
    (harness.routeNativeElement?.querySelectorAll('.word-selection-tabs button')[1] as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.completed-column .word-refine-item').length).toBe(2);
    (harness.routeNativeElement?.querySelector('.completed-column .word-assessment:has(.known-button.active) .unknown-button') as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.completed-column .word-refine-item').length).toBe(1);
    (harness.routeNativeElement?.querySelectorAll('.word-selection-tabs button')[0] as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.pending-column .word-refine-item').length).toBe(1);
    (harness.routeNativeElement?.querySelector('.selection-header .primary-button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toContain('/pages/stu/stu_con');
    expect(harness.routeNativeElement?.querySelectorAll('.repeat-list > button').length).toBe(1);
    expect(harness.routeNativeElement?.querySelector('.readonly-word-header')).toBeNull();

    await harness.navigateByUrl('/pages/stu/pl_stu5?nids=811&pnid=801&bindingId=701');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    const spellingActions = harness.routeNativeElement?.querySelector('.teacher-spelling-actions') as HTMLElement;
    expect(spellingActions.querySelectorAll('button').length).toBe(3);
    expect(spellingActions.textContent).toContain('跳过这一关');
    expect((harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent).words().length).toBe(1);
    expect(localStorage.getItem('xiaoshu.learning.300.100.701._page_word_orilist')).not.toBeNull();
    (spellingActions.querySelectorAll('button')[1] as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toBe('/pages/his/his');
    const standaloneRecord = (TestBed.inject(ApiService) as unknown as LearningModulesApiService).lastStandaloneLearningRecord;
    expect(JSON.parse(String(standaloneRecord['content']))).toEqual(jasmine.objectContaining({ ModelID: 56, Hits: 1, title: '张雅茜' }));
    expect(JSON.parse(String(standaloneRecord['addon']))).toEqual(jasmine.objectContaining({ UserID: 100, pl: 300, learned: 1, createReviewPlan: false }));
  }, 20000);

  it('loads appointment courses and units for the appointment student when no student is selected in the session', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    session.student.set(null);
    const harness = await RouterTestingHarness.create();

    await harness.navigateByUrl('/pages/shop/get_order?id=901');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();

    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    expect(session.student()?.userId).toBe(100);
    expect(api.lastAppointmentCourseParams['orderId']).toBe('901');
    expect(api.lastNodeParams['userId']).toBe(100);
    const courseSelect = harness.routeNativeElement?.querySelector('.course-section select') as HTMLSelectElement;
    expect(courseSelect).not.toBeNull();
    expect(courseSelect.options.length).toBeGreaterThanOrEqual(2);
    expect(courseSelect.closest('.course-section')?.textContent).toContain('七年级上册');
    expect(harness.routeNativeElement?.querySelectorAll('.unit-grid article').length).toBe(2);
    const unitButtons = harness.routeNativeElement?.querySelectorAll<HTMLButtonElement>('.unit-select');
    expect(unitButtons?.[0].textContent).toContain('已学 5%');
    expect(unitButtons?.[0].textContent).toContain('1/20 词');
    expect(unitButtons?.[1].textContent).toContain('已学 0%');
    expect(unitButtons?.[1].textContent).toContain('0/18 词');
    expect((unitButtons?.[0].querySelector('.unit-progress-track > span') as HTMLElement).style.width).toBe('5%');
    unitButtons?.[0].click();
    unitButtons?.[1].click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.unit-select[aria-pressed="true"]').length).toBe(2);
    expect(unitButtons?.[0].textContent).toContain('已学 5%');
  });

  it('distinguishes completed, empty and unavailable appointment vocabulary progress', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    api.unitRows = [
      { NodeID: 811, NodeName: '已学全册', yx_word: '20', total: '20' },
      { NodeID: 812, NodeName: '空册', yx_word: 0, total: 0 },
      { NodeID: 813, NodeName: '缺少统计' },
      { NodeID: 814, NodeName: '异常统计', yx_word: 'invalid', total: 20 },
    ];
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/shop/get_order?id=901');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();

    const units = harness.routeNativeElement?.querySelectorAll('.unit-select');
    expect(units?.[0].textContent).toContain('已学 100%');
    expect(units?.[0].textContent).toContain('20/20 词');
    expect(units?.[1].textContent).toContain('已学 0%');
    expect(units?.[1].textContent).toContain('暂无单词');
    for (const index of [2, 3]) {
      expect(units?.[index].textContent).toContain('暂无进度数据');
      expect(units?.[index].querySelector('.unit-progress-track')).toBeNull();
    }
  });

  it('ends without requiring feedback and keeps lesson pay out of the completion notice', async () => {
    user.set({userId:300,userName:'coach',honeyName:'张老师',groupId:3});session.groupId.set(3);
    const api=TestBed.inject(ApiService) as unknown as LearningModulesApiService;api.appointmentStatus=10;
    spyOn(TestBed.inject(PlatformService),'confirm').and.resolveTo(true);
    const harness=await RouterTestingHarness.create();await harness.navigateByUrl('/pages/shop/get_order?id=901');await harness.fixture.whenStable();harness.fixture.detectChanges();
    const component=harness.fixture.debugElement.query(By.directive(AppointmentPageComponent)).componentInstance as AppointmentPageComponent;
    await component.endLesson();expect(api.completionRequests.length).toBe(1);expect(api.completionRequests[0]['feedback']).toBeUndefined();
    api.appointmentStatus=30;api.completionResponse.next({retcode:0,result:{status:30,teacherPay:45,payStatus:'earned',feedbackStatus:'pending'}});api.completionResponse.complete();
    harness.fixture.detectChanges();expect(harness.routeNativeElement?.textContent).toContain('已结课');expect(harness.routeNativeElement?.textContent).not.toMatch(/费用|¥45/);expect(harness.routeNativeElement?.textContent).toContain('反馈待补');
  });

  it('retains the optional feedback-and-complete dialog and submits once after validation', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    api.appointmentStatus = 10;
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/shop/get_order?id=901');
    const component = harness.fixture.debugElement.query(By.directive(AppointmentPageComponent)).componentInstance as AppointmentPageComponent;
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    const dialog = harness.routeNativeElement?.querySelector('dialog') as HTMLDialogElement;
    const endButton = harness.routeNativeElement?.querySelector('.appointment-actions .primary-button') as HTMLButtonElement;
    expect(dialog.open).toBeFalse();
    component.openCompletionFeedback();
    harness.fixture.detectChanges();
    expect(dialog.open).toBeTrue();
    expect(api.completionRequests.length).toBe(0);

    const submit = dialog.querySelector('.feedback-actions .primary-button') as HTMLButtonElement;
    submit.click();
    harness.fixture.detectChanges();
    expect(dialog.querySelector('[role="alert"]')?.textContent).toContain('请填写本次学习内容');
    expect(api.completionRequests.length).toBe(0);
    const summary = dialog.querySelector('textarea') as HTMLTextAreaElement;
    summary.value = 'Unit 3 词汇';
    summary.dispatchEvent(new Event('input'));
    await harness.fixture.whenStable();
    (dialog.querySelector('.feedback-actions .secondary-button') as HTMLButtonElement).click();
    expect(dialog.open).toBeFalse();
    expect(api.appointmentStatus).toBe(10);
    component.openCompletionFeedback();
    harness.fixture.detectChanges();
    expect((dialog.querySelector('textarea') as HTMLTextAreaElement).value).toBe('Unit 3 词汇');
    component.reviewStatus = '完成';
    component.trainingStatus = '需要巩固';
    component.trainingSummary = '下次复习 Unit 3';
    component.noHomework = true;
    submit.click();
    submit.click();
    harness.fixture.detectChanges();
    expect(api.completionRequests.length).toBe(1);
    expect(JSON.parse(String(api.completionRequests[0]['feedback']))).toEqual(jasmine.objectContaining({ contentSummary: 'Unit 3 词汇', noHomework: true, homework: '无作业' }));
    expect(submit.disabled).toBeTrue();
    dialog.dispatchEvent(new Event('cancel', { cancelable: true }));
    expect(dialog.open).toBeTrue();
    api.appointmentStatus = 30;
    api.completionResponse.next({ retcode: 1, result: {} });
    api.completionResponse.complete();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('dialog')).toBeNull();
    expect(harness.routeNativeElement?.textContent).toContain('已结课');
  });

  it('keeps feedback editable after a failed submission and allows closing with Escape', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    api.appointmentStatus = 10;
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/shop/get_order?id=901');
    const component = harness.fixture.debugElement.query(By.directive(AppointmentPageComponent)).componentInstance as AppointmentPageComponent;
    await harness.fixture.whenStable();
    component.openCompletionFeedback();
    component.contentSummary = 'Unit 3';
    component.reviewStatus = '完成';
    component.trainingStatus = '正常进行';
    component.trainingSummary = '继续 Unit 4';
    component.noHomework = true;
    component.finishCoachLesson();
    api.completionResponse.error(new Error('提交失败，请重试'));
    harness.fixture.detectChanges();
    const dialog = harness.routeNativeElement?.querySelector('dialog') as HTMLDialogElement;
    expect(dialog.open).toBeTrue();
    expect(dialog.querySelector('[role="alert"]')?.textContent).toContain('提交失败，请重试');
    expect((dialog.querySelector('fieldset') as HTMLFieldSetElement).disabled).toBeFalse();
    expect(component.contentSummary).toBe('Unit 3');
    expect(api.appointmentStatus).toBe(10);
    dialog.dispatchEvent(new Event('cancel', { cancelable: true }));
    expect(dialog.open).toBeFalse();
  });

  it('counts words marked as known as completed and persists them for the student', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    session.student.set({ userId: 100, userName: 'student', honeyName: '张雅茜', groupId: 1 });
    const harness = await RouterTestingHarness.create();

    await harness.navigateByUrl('/pages/stu/stu_abc?nids=811,812&pnid=801');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    const pendingWord = harness.routeNativeElement?.querySelector('.pending-column .word-refine-item') as HTMLElement;
    (pendingWord.querySelector('.word-reveal') as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    (pendingWord.querySelector('.known-button') as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    (harness.routeNativeElement?.querySelector('.selection-header .primary-button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();

    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    expect(api.lastLearningWordUpdate).toEqual(jasmine.objectContaining({ uid: 100, wordsId: '1002', kcid: '801', save: 1 }));
    expect(TestBed.inject(Router).url).toContain('/pages/stu/stu_abc');
    expect(harness.routeNativeElement?.querySelector('.completed-column')).toBeNull();
    (harness.routeNativeElement?.querySelectorAll('.word-selection-tabs button')[1] as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.completed-column .word-refine-item').length).toBe(2);
    expect(harness.routeNativeElement?.querySelector('.pending-column')).toBeNull();
  });

  it('confirms three rounds into 17 words and can continue selecting before ending the lesson', async () => {
    user.set({userId:300,groupId:3}); session.groupId.set(3);session.student.set({userId:100,groupId:1});
    const api=TestBed.inject(ApiService) as unknown as LearningModulesApiService;api.appointmentStatus=10;
    api.studyBatches=[9,5,3].map((count,index)=>({batchId:'round-'+index,version:1,status:'draft',bindingId:'binding-801',words:Array.from({length:count},(_,i)=>({GeneralID:index*100+i+1,Title:'word'+index+'-'+i,check:0}))}));
    const harness=await RouterTestingHarness.create();
    for(let index=0;index<3;index++){
      await harness.navigateByUrl('/pages/stu/pl_end?orderId=901&bindingId=binding-801&batchId=round-'+index);await harness.fixture.whenStable();harness.fixture.detectChanges();
      const component=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
      expect(component.words().length).toBe([9,5,3][index]);component.markAllKnown();component.submitReview(index<2);await harness.fixture.whenStable();harness.fixture.detectChanges();
      expect(TestBed.inject(Router).url).toBe('/pages/shop/get_order?id=901'+(index===2?'&feedback=1':''));
      expect(harness.routeNativeElement?.textContent).toContain('本节学习成果 · '+[9,14,17][index]+' 个词');
    }
    expect(api.completionRequests.length).toBe(0);
  });

  it('reveals and speaks each assessment word without changing mastery', async () => {
    user.set({userId:300,groupId:3});session.groupId.set(3);session.student.set({userId:100,groupId:1});
    const api=TestBed.inject(ApiService) as unknown as LearningModulesApiService;api.appointmentStatus=10;
    api.studyBatches=[{batchId:'meaning-round',version:1,status:'draft',bindingId:'binding-801',words:[{GeneralID:1001,Title:'crop',sy:'庄稼',check:1},{GeneralID:1002,Title:'gather',sy:'聚集',check:2}]}];
    const harness=await RouterTestingHarness.create();await harness.navigateByUrl('/pages/stu/pl_end?orderId=901&bindingId=binding-801&batchId=meaning-round');await harness.fixture.whenStable();harness.fixture.detectChanges();
    const component=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    const play=spyOn(component,'play').and.resolveTo();const cards=harness.routeNativeElement!.querySelectorAll('.review-list article');
    expect(cards[0].textContent).not.toContain('庄稼');(cards[0].querySelector('.word-audio') as HTMLButtonElement).click();harness.fixture.detectChanges();
    expect(play).toHaveBeenCalledWith(component.words()[0]);expect(cards[0].textContent).toContain('庄稼');expect(cards[1].textContent).not.toContain('聚集');
    expect(component.reviewValue(component.words()[0])).toBe(1);expect(component.reviewValue(component.words()[1])).toBe(2);
    (cards[0].querySelector('.word-audio') as HTMLButtonElement).click();harness.fixture.detectChanges();expect(cards[0].textContent).not.toContain('庄稼');expect(play).toHaveBeenCalledTimes(2);
  });

  it('keeps round choices on save failure and retries with the same command key', async () => {
    user.set({userId:300,groupId:3});session.groupId.set(3);session.student.set({userId:100,groupId:1});
    const api=TestBed.inject(ApiService) as unknown as LearningModulesApiService;api.appointmentStatus=10;
    api.studyBatches=[{batchId:'retry-round',version:1,status:'draft',bindingId:'binding-801',courseId:'802',words:[{GeneralID:1001,Title:'apple',check:0}]}];
    const post=api.post.bind(api);let fail=true;const spy=spyOn(api,'post').and.callFake((action,params)=>action==='stu_record_update_v2'&&fail?(fail=false,throwError(()=>new Error('断网'))):post(action,params));
    const harness=await RouterTestingHarness.create();await harness.navigateByUrl('/pages/stu/pl_end?orderId=901&bindingId=binding-801&batchId=retry-round');await harness.fixture.whenStable();harness.fixture.detectChanges();
    const component=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;component.markAllKnown();component.submitReview(true);await harness.fixture.whenStable();
    expect(component.words().length).toBe(1);expect(component.reviewCount(1)).toBe(1);expect(TestBed.inject(Router).url).toContain('/pl_end');
    component.submitReview(true);await harness.fixture.whenStable();const requests=spy.calls.allArgs().filter(([action])=>action==='stu_record_update_v2');expect(requests.length).toBe(2);expect(requests[0][1]?.['requestKey']).toBe(requests[1][1]?.['requestKey']);
    expect(api.lastLearningWordUpdate['kcid']).toBe('802'); // Resume uses the batch book, not the scheduled book.
  });

  it('finishes the last vocabulary group, loads the coach record and opens completion feedback', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    session.student.set({ userId: 100, honeyName: '张雅茜', groupId: 1 });
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    api.appointmentStatus = 10;
    const word = { GeneralID: 1001, NodeID: 811, Title: 'apple', sy: '苹果' };
    localStorage.setItem('xiaoshu.learning.300.100.901.unbound._page_word_orilist', JSON.stringify([[word]]));
    localStorage.setItem('xiaoshu.learning.300.100.901.unbound._page_current_learn', '1');
    // Stale page-count metadata must not create a nonexistent next group.
    localStorage.setItem('xiaoshu.learning.300.100.901.unbound._page_total_page', '2');
    localStorage.removeItem('xiaoshu.learning.300.100.901.unbound.learn_mode');
    const harness = await RouterTestingHarness.create();
    const router = TestBed.inject(Router);
    const navigate = spyOn(router, 'navigate').and.callThrough();
    await harness.navigateByUrl('/pages/stu/stu_con?nids=811&pnid=801&orderId=901');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    const learning = () => harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    const skipStage = () => {
      const button = Array.from(harness.routeNativeElement?.querySelectorAll<HTMLButtonElement>('.sticky-actions button') ?? [])
        .find(item => item.textContent?.includes('跳过这一关'));
      expect(button).toBeDefined();
      button!.click();
    };
    skipStage();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toContain('/pages/stu/stu3');
    expect(learning().matchLeft().length).toBe(1);
    skipStage();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toContain('/pages/stu/stu4');
    expect(learning().correct()).toBe(0);
    skipStage();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toContain('/pages/stu/pl_stu5');
    expect(router.url).toContain('orderId=901');
    expect(learning().correct()).toBe(0);
    skipStage();
    expect(learning().hasNextWordBatch).toBeFalse();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    harness.fixture.detectChanges();
    expect(router.url).toContain('/pages/stu/pl_end');
    expect(api.lastStudyQuery['orderId']).toBe('901');
    expect(harness.routeNativeElement?.querySelector('.empty-state.error')).toBeNull();
    expect(learning().words()[0].word).toBe('apple');
    learning().markAllKnown();
    learning().submitReview();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    harness.fixture.detectChanges();
    expect(router.url).toBe('/pages/shop/get_order?id=901&feedback=1');
    expect((harness.routeNativeElement?.querySelector('dialog') as HTMLDialogElement).open).toBeTrue();
    expect(api.appointmentStatus).toBe(10);
    expect(api.completionRequests.length).toBe(0);
    expect(api.studyUpdates.length).toBe(2);
    expect(JSON.parse(String(api.studyUpdates[1]['addon'])).xxqs[0].check).toBe(1);
    expect(navigate.calls.all().every(call => call.args[1]?.replaceUrl === true)).toBeTrue();
  }, 20000);

  it('advances only to a real next group and returns from the last stage to its course in one click', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    session.student.set({ userId: 100, honeyName: '张雅茜', groupId: 1 });
    const pages = [[{ GeneralID: 1001, Title: 'apple', sy: '苹果' }, { GeneralID: 1002, Title: 'banana', sy: '香蕉' }], [{ GeneralID: 1003, Title: 'cherry', sy: '樱桃' }]];
    localStorage.setItem('xiaoshu.learning.300.100.901.unbound._page_word_orilist', JSON.stringify(pages));
    localStorage.setItem('xiaoshu.learning.300.100.901.unbound._page_total_page', '0');
    localStorage.setItem('xiaoshu.learning.300.100.901.unbound._page_current_learn', '1');
    const harness = await RouterTestingHarness.create();
    const router = TestBed.inject(Router);
    await harness.navigateByUrl('/pages/stu/pl_stu5?nids=811&pnid=801&orderId=901');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    const component = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    expect(component.words().length).toBe(2);
    component.skipSpellingStage();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toContain('/pages/stu/stu_con');
    const next = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    expect(next.words()[0].word).toBe('cherry');
    expect((TestBed.inject(ApiService) as unknown as LearningModulesApiService).studyUpdates.length).toBe(0);
    (harness.routeNativeElement?.querySelector('.app-header button[aria-label="返回"]') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toBe('/pages/shop/get_order?id=901');
    for (const key of ['_page_word_orilist', '_page_total_page', '_page_current_learn', 'skip_spelling_stage']) localStorage.removeItem(`xiaoshu.learning.300.100.901.unbound.${key}`);
  });

  it('keeps teacher-led spelling skipped through the remaining word groups', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    session.student.set({ userId: 100, honeyName: '张雅茜', groupId: 1 });
    const prefix = 'xiaoshu.learning.300.100.901.unbound.';
    const pages = [[{ GeneralID: 1001, Title: 'apple', sy: '苹果' }], [{ GeneralID: 1002, Title: 'banana', sy: '香蕉' }]];
    localStorage.setItem(prefix + '_page_word_orilist', JSON.stringify(pages));
    localStorage.setItem(prefix + '_page_current_learn', '1');
    const harness = await RouterTestingHarness.create();
    const router = TestBed.inject(Router);
    await harness.navigateByUrl('/pages/stu/pl_stu5?nids=811&pnid=801&orderId=901');
    const learning = () => harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    learning().skipSpellingStage();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toContain('/pages/stu/stu_con');
    expect(localStorage.getItem(prefix + 'skip_spelling_stage')).toBe('true');
    learning().skipStudyList();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    learning().chooseMatch('left', learning().words()[0]);
    learning().chooseMatch('right', learning().words()[0]);
    learning().continueAfterStage();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(router.url).toContain('/pages/stu/stu4');
    learning().chooseMeaning(learning().words()[0]);
    expect(learning().stageActionLabel).toBe('查看学习结果');
    learning().continueAfterStage();
    await harness.fixture.whenStable();
    expect(router.url).toContain('/pages/stu/pl_end');
    expect(localStorage.getItem(prefix + 'skip_spelling_stage')).toBe('true');
    localStorage.removeItem(prefix + 'skip_spelling_stage');
  }, 15000);

  it('resolves the appointment student before reading end results and offers an exit on failure', async () => {
    user.set({ userId: 300, userName: 'coach', honeyName: '张老师', groupId: 3 });
    session.groupId.set(3);
    session.student.set({ userId: 999, honeyName: '之前的学员', groupId: 1 });
    const api = TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    const get = api.get.bind(api);
    spyOn(api, 'get').and.callFake((action, params) => action === 'app_lesson_study'
      ? throwError(() => new Error('学习记录暂时无法加载')) : get(action, params));
    const harness = await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/stu/pl_end?id=901');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    harness.fixture.detectChanges();
    expect(session.student()?.userId).toBe(100);
    expect(api.get).toHaveBeenCalledWith('app_lesson_study', {orderId:'901'});
    expect(harness.routeNativeElement?.querySelector('.empty-state.error')?.textContent).toContain('学习记录暂时无法加载');
    (harness.routeNativeElement?.querySelector('.empty-state.error .primary-button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();
    expect(TestBed.inject(Router).url).toBe('/pages/shop/get_order?id=901');
  });

  it('shows learning history in pages of twenty records', async () => {
    user.set({ userId: 777, userName: 'paged-student', honeyName: '分页学员', groupId: 1 });
    session.groupId.set(1);
    const harness = await RouterTestingHarness.create();

    await harness.navigateByUrl('/pages/his/his');
    await harness.fixture.whenStable();
    harness.fixture.detectChanges();

    expect(harness.routeNativeElement?.querySelector('.record-actions')?.textContent).toContain('45 条');
    expect(harness.routeNativeElement?.querySelectorAll('.learning-record-card .learning-item').length).toBe(20);
    expect(harness.routeNativeElement?.querySelector('.record-pagination')?.textContent).toContain('第 1 / 3 页');

    const pageButtons = harness.routeNativeElement?.querySelectorAll('.record-pagination button') as NodeListOf<HTMLButtonElement>;
    expect(pageButtons[0].disabled).toBeTrue();
    pageButtons[1].click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.learning-record-card .learning-item').length).toBe(20);
    expect(harness.routeNativeElement?.querySelector('.record-pagination')?.textContent).toContain('第 2 / 3 页');

    (harness.routeNativeElement?.querySelectorAll('.record-pagination button')[1] as HTMLButtonElement).click();
    harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelectorAll('.learning-record-card .learning-item').length).toBe(5);
    expect((harness.routeNativeElement?.querySelectorAll('.record-pagination button')[1] as HTMLButtonElement).disabled).toBeTrue();
  });
  it('keeps review completion free of pay details for every reward outcome', async()=>{
    user.set({userId:300,groupId:3,honeyName:'老师'});session.groupId.set(3);session.student.set({userId:100,groupId:1});
    const harness=await RouterTestingHarness.create('/pages/stu/record?id=900&gid=103');await harness.fixture.whenStable();
    const component=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    for (const result of [
      {amount:0.5,rewardStatus:'earned'},
      {amount:1,rewardStatus:'earned',unchanged:true},
      {amount:0,rewardStatus:'ineligible',ineligibleReason:'self_study',unchanged:true},
      {amount:0,rewardStatus:'ineligible',ineligibleReason:'duplicate_review',unchanged:true},
      {amount:0,rewardStatus:'ineligible'},
      {amount:0,rewardStatus:'pending'},
    ]) {
      component.reviewCompletion.set(result);harness.fixture.detectChanges();
      const completion=harness.routeNativeElement?.querySelector('.review-complete');
      expect(completion?.textContent).toContain('复习已完成');
      expect(completion?.textContent).not.toMatch(/收入|费用|计薪|记账|¥/);
      expect(completion?.textContent).toContain('继续今日任务');
      expect(completion?.textContent).toContain('返回原任务列表');
    }
    user.set({userId:100,groupId:1,honeyName:'学生'});session.groupId.set(1);harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.review-complete')?.textContent).toContain('复习已完成');
    expect(harness.routeNativeElement?.querySelector('.review-complete')?.textContent).not.toMatch(/收入|费用|计薪|记账|¥/);
  });

  it('waits for server completion and blocks duplicate clicks for overdue work', async()=>{
    user.set({userId:300,groupId:3,honeyName:'老师'});session.groupId.set(3);session.student.set({userId:100,groupId:1});
    const api=TestBed.inject(ApiService),post=api.post.bind(api),reply=new Subject<ApiEnvelope<any>>();
    const submit=spyOn(api,'post').and.callFake((action,params)=>action==='app_review_complete'?reply:post(action,params));
    const harness=await RouterTestingHarness.create();await harness.navigateByUrl('/pages/stu/record?id=900&gid=103&plannedDate=2000-01-01');await harness.fixture.whenStable();
    const component=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    component.endRecord();component.endRecord();harness.fixture.detectChanges();expect(component.reviewCompletion()).toBeNull();expect(component.canDeactivate()).toBeFalse();
    expect(submit.calls.allArgs().filter(a=>a[0]==='app_review_complete').length).toBe(1);
    reply.next({retcode:1,result:{amount:0,rewardStatus:'ineligible',completed:true}});reply.complete();harness.fixture.detectChanges();
    expect(harness.routeNativeElement?.querySelector('.review-complete')?.textContent).toContain('复习已完成');expect(harness.routeNativeElement?.querySelector('.review-complete')?.textContent).not.toMatch(/收入|费用|计薪|¥/);expect(component.canDeactivate()).toBeTrue();
  });

  async function teacherSelection(count: number, pass = 0, orderId = '') {
    user.set({userId:300,groupId:3}); session.groupId.set(3); session.student.set({userId:100,groupId:1});
    const api=TestBed.inject(ApiService) as unknown as LearningModulesApiService;
    api.courseWords=Array.from({length:count},(_,i)=>({GeneralID:1001+i,NodeID:811,Title:'word-'+(i+1),sy:'释义 '+(i+1),w_learned:pass}));
    const harness=await RouterTestingHarness.create();
    await harness.navigateByUrl('/pages/stu/stu_abc?nids=811&pnid=801' + (orderId ? '&orderId=' + orderId : ''));
    await harness.fixture.whenStable(); harness.fixture.detectChanges();
    const component=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    if(pass>0){component.selectCoursePass(pass);await harness.fixture.whenStable();harness.fixture.detectChanges();}
    return {api,harness,component};
  }

  it('keeps compact known and unknown decisions visible before revealing a word', async () => {
    const {harness,component}=await teacherSelection(2);
    const row=harness.routeNativeElement!.querySelector('.word-refine-item')!;
    expect(component.selectionRevealed().size).toBe(0);
    expect(row.querySelector('.word-refine-main .known-button')?.textContent?.trim()).toBe('认识');
    expect(row.querySelector('.word-refine-main .unknown-button')?.textContent?.trim()).toBe('不认识');
    (row.querySelector('.known-button') as HTMLButtonElement).click(); harness.fixture.detectChanges();
    expect(component.coursePassCount(1)).toBe(1);
  });

  it('saves 205 accumulated known words in bounded requests without losing words', async () => {
    const {api,harness,component}=await teacherSelection(205);
    for(let page=0;page<2;page++){component.loadMoreSelection();await harness.fixture.whenStable();harness.fixture.detectChanges();}
    const original=api.post.bind(api),sizes:number[]=[];
    spyOn(api,'post').and.callFake(((action:string,params:Record<string,unknown>={})=>{
      if(action==='e_add_words'){const size=String(params['wordsId']).split(',').length;sizes.push(size);if(size>100)return throwError(()=>new Error('单次最多操作 100 个单词'));}
      return original(action,params);
    }) as typeof api.post);
    for(const word of component.words())component.markWordKnown(word);
    component.startSelected();await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(sizes).toEqual([100,100,5]);
    expect(api.courseIncrements.size).toBe(205);
    expect([...api.courseIncrements.values()].every(n=>n===1)).toBeTrue();
    expect(component.newlyKnownWords().length).toBe(0);
    expect(component.coursePassCount(1)).toBe(205);
  });

  it('retains successful known-word batches when a later request fails and retries only remaining words', async () => {
    const {api,harness,component}=await teacherSelection(205);
    for(let page=0;page<2;page++){component.loadMoreSelection();await harness.fixture.whenStable();}
    const original=api.post.bind(api),requests:Record<string,unknown>[]=[];let failed=false;
    spyOn(api,'post').and.callFake(((action:string,params:Record<string,unknown>={})=>{
      if(action==='e_add_words'){
        requests.push(params);
        if(String(params['wordsId']).split(',').length>100)return throwError(()=>new Error('单次最多操作 100 个单词'));
        if(requests.length===2&&!failed){failed=true;return throwError(()=>new Error('第二批网络中断'));}
      }
      return original(action,params);
    }) as typeof api.post);
    for(const word of component.words())component.markWordKnown(word);
    component.startSelected();await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(component.newlyKnownWords().length).toBe(105);
    expect(component.coursePassCounts()?.[1]).toBe(100);
    expect(component.submitting()).toBeFalse();
    expect(TestBed.inject(Router).url).toContain('/pages/stu/stu_abc');
    component.startSelected();await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(requests.map(p=>String(p['wordsId']).split(',').length)).toEqual([100,100,100,5]);
    expect(requests[2]['requestKey']).toBe(requests[1]['requestKey']);
    expect(api.courseIncrements.size).toBe(205);
    expect([...api.courseIncrements.values()].every(n=>n===1)).toBeTrue();
    expect(component.coursePassCount(1)).toBe(205);
  });

  it('selects the visible words, allows exceptions, then saves known words and trains only exceptions', async () => {
    const {api,harness,component}=await teacherSelection(8);
    const view=()=>harness.routeNativeElement!;
    const select=view().querySelector('.bulk-select-toggle') as HTMLButtonElement;
    expect(select).not.toBeNull();select?.click();harness.fixture.detectChanges();
    expect(view().querySelectorAll('.word-select-check[aria-pressed="true"]').length).toBe(8);
    expect(component.selected().size).toBe(0); // Temporary bulk checks do not change the actual learning selection.
    const checks=view().querySelectorAll<HTMLButtonElement>('.word-select-check');checks[1].click();checks[6].click();harness.fixture.detectChanges();
    (view().querySelector('.bulk-assessment .known-button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(TestBed.inject(Router).url).toContain('/pages/stu/stu_con');
    const learning=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    expect(learning.words().map(w=>w.wordId).sort()).toEqual(['1002','1007']);
    expect([...api.courseIncrements.keys()].sort()).toEqual(['1001','1003','1004','1005','1006','1008']);
  });

  it('saves all-known words and opens the learned pass without creating an empty learning round', async () => {
    const {api,harness,component}=await teacherSelection(8);
    (harness.routeNativeElement!.querySelector('.bulk-select-toggle') as HTMLButtonElement)?.click();harness.fixture.detectChanges();
    (harness.routeNativeElement!.querySelector('.bulk-assessment .known-button') as HTMLButtonElement)?.click();
    await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(api.courseIncrements.size).toBe(8);
    expect(component.coursePass()).toBe(1);
    expect(component.visibleCourseWords().length).toBe(8);
    expect(TestBed.inject(Router).url).toContain('/pages/stu/stu_abc');
  });

  it('keeps bulk unknown checks intact when they exceed a round and clears them across pass switches', async () => {
    const {api,harness,component}=await teacherSelection(101);
    component.loadMoreSelection();await harness.fixture.whenStable();harness.fixture.detectChanges();
    component.toggleWord(component.words()[100]);
    const toast=spyOn(TestBed.inject(PlatformService),'toast');
    (harness.routeNativeElement!.querySelector('.bulk-select-toggle') as HTMLButtonElement)?.click();harness.fixture.detectChanges();
    (harness.routeNativeElement!.querySelector('.bulk-assessment .unknown-button') as HTMLButtonElement)?.click();harness.fixture.detectChanges();
    expect(toast).toHaveBeenCalledWith(jasmine.stringMatching(/100/),'error');
    expect(harness.routeNativeElement!.querySelectorAll('.word-select-check[aria-pressed="true"]').length).toBe(100);
    expect(component.selected().size).toBe(1);expect(api.courseIncrements.size).toBe(0);
    component.selectCoursePass(1);await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(harness.routeNativeElement!.querySelector('.bulk-assessment')).toBeNull();
    component.selectCoursePass(0);await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(harness.routeNativeElement!.querySelectorAll('.word-select-check[aria-pressed="true"]').length).toBe(0);
  });

  it('uses select-all only for loaded words and guards decisions while saving', async () => {
    const {api,harness,component}=await teacherSelection(105);
    const original=api.post.bind(api),response=new Subject<ApiEnvelope<unknown>>();
    const post=spyOn(api,'post').and.callFake(((action:string,params:Record<string,unknown>={})=>action==='e_add_words'?response:original(action,params)) as typeof api.post);
    (harness.routeNativeElement!.querySelector('.bulk-select-toggle') as HTMLButtonElement)?.click();harness.fixture.detectChanges();
    expect(harness.routeNativeElement!.querySelectorAll('.word-select-check[aria-pressed="true"]').length).toBe(100);
    (harness.routeNativeElement!.querySelector('.bulk-assessment .known-button') as HTMLButtonElement)?.click();harness.fixture.detectChanges();
    expect(component.submitting()).toBeTrue();
    component.startSelected();component.selectCoursePass(1);
    expect(component.coursePass()).toBe(0);
    expect(post.calls.allArgs().filter(([action])=>action==='e_add_words').length).toBe(1);
    response.next({retcode:1,result:{affected:100}});response.complete();await harness.fixture.whenStable();
    expect(post.calls.allArgs().filter(([action])=>action==='e_add_words').length).toBe(1);
  });

  it('preserves an ambiguous committed batch key by freezing decisions until retry resolves', async () => {
    const {api,harness,component}=await teacherSelection(205);
    for(let page=0;page<2;page++){component.loadMoreSelection();await harness.fixture.whenStable();}
    const original=api.post.bind(api),completed=new Map<string,Observable<ApiEnvelope<any>>>(),requests:Record<string,unknown>[]=[];let lost=false;
    spyOn(api,'post').and.callFake(((action:string,params:Record<string,unknown>={})=>{
      if(action!=='e_add_words')return original(action,params);
      requests.push(params);const key=String(params['requestKey']);
      if(completed.has(key))return completed.get(key)!;
      const saved=original(action,params);completed.set(key,saved);
      if(!lost){lost=true;return throwError(()=>new Error('服务端已保存但响应丢失'));}
      return saved;
    }) as typeof api.post);
    const first=component.words()[0];
    (harness.routeNativeElement!.querySelector('.bulk-select-toggle') as HTMLButtonElement).click();harness.fixture.detectChanges();
    for (const word of component.bulkCandidates().slice(100)) component.toggleWord(word);
    harness.fixture.detectChanges();
    (harness.routeNativeElement!.querySelector('.bulk-assessment .known-button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(harness.routeNativeElement!.querySelector('.selection-retry-note')?.textContent).toContain('尚待确认');
    expect(harness.routeNativeElement!.querySelector('.selection-header .primary-button')?.textContent).toContain('重试保存');
    expect(api.courseIncrements.size).toBe(100);
    component.markWordUnknown(first);component.toggleWord(first);component.selectCoursePass(1);component.loadMoreSelection();
    expect(component.selectionAssessment()[first.id]).toBe('known');expect(component.selected().size).toBe(0);expect(component.coursePass()).toBe(0);
    component.startSelected();await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(requests[1]['requestKey']).toBe(requests[0]['requestKey']);
    expect(requests[1]['wordsId']).toBe(requests[0]['wordsId']);
    expect(api.courseIncrements.size).toBe(205);expect([...api.courseIncrements.values()].every(n=>n===1)).toBeTrue();
    expect(component.coursePass()).toBe(1);expect(harness.routeNativeElement!.querySelector('.selection-retry-note')).toBeNull();
  });

  it('rebases pending pages after saving known words without skipping remaining vocabulary or selections', async () => {
    const {api,harness,component}=await teacherSelection(250);
    const view=()=>harness.routeNativeElement!;
    const checks=()=>view().querySelectorAll<HTMLButtonElement>('.word-select-check');
    checks()[99].click(); // Preserve an existing individual learning choice.
    (view().querySelector('.bulk-select-toggle') as HTMLButtonElement).click();harness.fixture.detectChanges();
    for(let i=60;i<100;i++)checks()[i].click();harness.fixture.detectChanges();
    (view().querySelector('.bulk-assessment .known-button') as HTMLButtonElement).click();await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(TestBed.inject(Router).url).toContain('/pages/stu/stu_abc');expect(api.courseIncrements.size).toBe(60);
    const get=api.get.bind(api);let failed=false;
    spyOn(api,'get').and.callFake(((action:string,params:Record<string,unknown>={})=>{
      if(action==='e_ck_list'&&Number(params['cpage'])===1&&!failed){failed=true;return throwError(()=>new Error('刷新第一页失败'));}
      return get(action,params);
    }) as typeof api.get);
    component.loadMoreSelection();await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(component.error()).toBe('');expect(view().querySelector('.word-refine-item')).not.toBeNull();
    component.loadMoreSelection();await harness.fixture.whenStable();harness.fixture.detectChanges();
    component.loadMoreSelection();await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(component.selectionTotal()).toBe(190);
    expect(component.visibleCourseWords().map(w=>Number(w.wordId)).sort((a,b)=>a-b)).toEqual(Array.from({length:190},(_,i)=>1061+i));
    expect(component.selected().has('1100')).toBeTrue();
  });

  it('treats an individual unknown decision as an exception to bulk known', async () => {
    const {api,harness}=await teacherSelection(3);
    (harness.routeNativeElement!.querySelector('.bulk-select-toggle') as HTMLButtonElement).click();harness.fixture.detectChanges();
    (harness.routeNativeElement!.querySelector('.word-refine-item .unknown-button') as HTMLButtonElement).click();harness.fixture.detectChanges();
    expect(harness.routeNativeElement!.querySelector('.word-select-check')?.getAttribute('aria-pressed')).toBe('false');
    (harness.routeNativeElement!.querySelector('.bulk-assessment .known-button') as HTMLButtonElement).click();await harness.fixture.whenStable();harness.fixture.detectChanges();
    const learning=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    expect(learning.words().map(w=>w.wordId)).toEqual(['1001']);expect([...api.courseIncrements.keys()].sort()).toEqual(['1002','1003']);
  });

  it('starts a valid bulk unknown selection without marking those words learned', async () => {
    const {api,harness}=await teacherSelection(3);
    (harness.routeNativeElement!.querySelector('.bulk-select-toggle') as HTMLButtonElement).click();harness.fixture.detectChanges();
    (harness.routeNativeElement!.querySelector('.bulk-assessment .unknown-button') as HTMLButtonElement).click();await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(TestBed.inject(Router).url).toContain('/pages/stu/stu_con');
    const learning=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    expect(learning.words().length).toBe(3);expect(api.courseIncrements.size).toBe(0);
  });


  for(const pass of [1,2]) {
    it('bulk assesses learned pass '+pass+' and advances only recognized words by one pass', async () => {
      const {api,harness,component}=await teacherSelection(4,pass);
      const view=()=>harness.routeNativeElement!;
      expect(view().querySelector('.bulk-select-toggle')).not.toBeNull();
      expect(view().querySelectorAll('.word-refine-main .known-button').length).toBe(4);
      (view().querySelector('.bulk-select-toggle') as HTMLButtonElement)?.click();harness.fixture.detectChanges();
      expect(view().querySelectorAll('.word-select-check[aria-pressed="true"]').length).toBe(4);
      (view().querySelectorAll<HTMLButtonElement>('.word-select-check')[3]).click();harness.fixture.detectChanges();
      (view().querySelector('.bulk-assessment .known-button') as HTMLButtonElement)?.click();await harness.fixture.whenStable();harness.fixture.detectChanges();
      expect(TestBed.inject(Router).url).toContain('/pages/stu/stu_con');
      const learning=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
      expect(learning.words().map(w=>w.wordId)).toEqual(['1004']);
      expect([...api.courseIncrements.keys()].sort()).toEqual(['1001','1002','1003']);
      expect(component.coursePassCount(pass)).toBe(1);expect(component.coursePassCount(pass+1)).toBe(3);
      expect(component.firstPassProgress()).toBe(100);
    });
  }

  it('marks only the requested 20 course words known without learning the other 80', async () => {
    const {api,harness,component} = await teacherSelection(100);
    spyOn(TestBed.inject(PlatformService), 'toast');
    const picker = harness.routeNativeElement!.querySelector<HTMLSelectElement>('.bulk-select-size')!;
    picker.value='20';picker.dispatchEvent(new Event('change'));harness.fixture.detectChanges();
    (harness.routeNativeElement!.querySelector('.bulk-select-toggle') as HTMLButtonElement).click();harness.fixture.detectChanges();
    (harness.routeNativeElement!.querySelector('.bulk-assessment .known-button') as HTMLButtonElement).click();
    await harness.fixture.whenStable();harness.fixture.detectChanges();
    expect(api.courseIncrements.size).toBe(20);expect(component.selected().size).toBe(0);
    expect(component.coursePassCounts()).toEqual([80,20,0,0]);
    expect(TestBed.inject(Router).url).toContain('/pages/stu/stu_abc');
  });

  it('preserves individual wordbook choices when a quantity selection request fails', async () => {
    spyOn(TestBed.inject(PlatformService), 'toast');
    const api=TestBed.inject(ApiService), original=api.get.bind(api), pending=new Subject<ApiEnvelope<unknown>>();
    let reads=0;
    spyOn(api,'get').and.callFake(((action:string,params:Record<string,unknown>={})=>{
      if(action!=='e_words_list')return original(action,params);
      if(reads++)return pending;
      return of({retcode:0,result:[{GeneralID:601,detail:[{GeneralID:701,Title:'apple',sy:'苹果'}]}],page:{itemCount:1,pendingCount:1,completedCount:0}});
    }) as typeof api.get);
    const harness=await RouterTestingHarness.create('/pages/member/starshop');
    await harness.fixture.whenStable();harness.fixture.detectChanges();
    const component=harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
    (harness.routeNativeElement!.querySelector('.word-select-list > button') as HTMLButtonElement).click();harness.fixture.detectChanges();
    (harness.routeNativeElement!.querySelector('.selection-header .quiet-button') as HTMLButtonElement).click();harness.fixture.detectChanges();
    expect(component.selectionLoading()).toBeTrue();
    pending.error(new Error('temporary failure'));harness.fixture.detectChanges();
    expect([...component.selected()]).toEqual(['701']);expect(component.selectionLoading()).toBeFalse();
  });

  for (const entry of ['course-0', 'course-1', 'course-2', 'coach-wordbook', 'student-wordbook']) for (const startCount of [20,50,100]) {
    it(`selects only the requested quantity and starts ${startCount} words for ${entry}`, async () => {
      spyOn(TestBed.inject(PlatformService), 'toast');
      let harness: RouterTestingHarness;
      if (entry.startsWith('course-')) {
        harness = (await teacherSelection(100, Number(entry.slice(-1)), entry === 'course-0' ? '901' : '')).harness;
      } else {
        if (entry === 'coach-wordbook') {
          user.set({userId:300,groupId:3});session.groupId.set(3);
        }
        const api = TestBed.inject(ApiService), original = api.get.bind(api);
        spyOn(api, 'get').and.callFake(((action: string, params: Record<string, unknown> = {}) => {
          if (action === 'e_user_list') return of({retcode:0,result:[{userId:100,honeyName:'学员甲'}]});
          if (action === 'e_words_list') {
            const all = Array.from({length:100}, (_,i) => ({GeneralID:601+i,detail:[{GeneralID:1001+i,Title:'word-'+i,sy:'释义 '+i}]}));
            const size = Number(params['psize']), page = Number(params['cpage']);
            return of({retcode:0,result:all.slice((page-1)*size,page*size),page:{itemCount:100,pendingCount:100,completedCount:0,pageCount:Math.ceil(100/size)}});
          }
          return original(action,params);
        }) as typeof api.get);
        harness = await RouterTestingHarness.create('/pages/member/starshop');
        await harness.fixture.whenStable();harness.fixture.detectChanges();
      }
      const component = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
      const picker = harness.routeNativeElement!.querySelector<HTMLSelectElement>('.bulk-select-size');
      expect(picker).withContext('every editable selection entry has a quantity picker').not.toBeNull();
      if (!picker) return;
      expect(Array.from(picker.options).map(option => option.value)).toEqual(['20','50','100']);
      expect(picker.value).toBe('100');
      const clickAll = () => {
        (harness.routeNativeElement!.querySelector('.bulk-select-toggle, .quiet-button') as HTMLButtonElement).click();
        harness.fixture.detectChanges();
      };
      for (const count of [20,50,100]) {
        picker.value = String(count);picker.dispatchEvent(new Event('change'));harness.fixture.detectChanges();
        clickAll();
        expect((component.bulkSelection() ?? component.selected()).size).toBe(count);
        if (count < 100) {clickAll();expect((component.bulkSelection() ?? component.selected()).size).toBe(0);}
      }
      if (startCount !== 100) {
        clickAll();picker.value = String(startCount);picker.dispatchEvent(new Event('change'));harness.fixture.detectChanges();clickAll();
      }
      const button = entry.startsWith('course-') ? '.bulk-assessment .unknown-button' : '.selection-header .primary-button';
      (harness.routeNativeElement!.querySelector(button) as HTMLButtonElement).click();
      await harness.fixture.whenStable();harness.fixture.detectChanges();
      expect(TestBed.inject(Router).url).toContain('/pages/stu/stu_con');
      const pages = JSON.parse(localStorage.getItem(entry === 'coach-wordbook'
        ? 'xiaoshu.learning.300.100.wordbook._page_word_orilist'
        : entry === 'student-wordbook' ? 'xiaoshu.learning.100.100.practice._page_word_orilist'
        : entry === 'course-0' ? 'xiaoshu.learning.300.100.901.unbound._page_word_orilist'
        : 'xiaoshu.learning.300.100.practice._page_word_orilist') || '[]');
      expect(pages.flat().length).toBe(startCount);
    });
  }

  for (const entry of ['course', 'coach-wordbook', 'student-wordbook'] as const) {
    it(`hides the answer on the third point-reading tap in every round for ${entry}`, async () => {
      let harness: RouterTestingHarness;
      const platform = TestBed.inject(PlatformService);
      spyOn(platform, 'toast');
      if (entry === 'course') {
        const selection = await teacherSelection(2,0,'901');
        harness = selection.harness;
        selection.component.selected.set(new Set(selection.component.words().map(word => word.id)));
        selection.component.startSelected();
      } else {
        if (entry === 'coach-wordbook') {
          user.set({userId:300,groupId:3});session.groupId.set(3);session.student.set({userId:100,groupId:1});
        }
        const api = TestBed.inject(ApiService), original = api.get.bind(api);
        spyOn(api, 'get').and.callFake(((action: string, params: Record<string, unknown> = {}) => {
          if (action === 'e_user_list') return of({retcode:0,result:[{userId:100,honeyName:'学员甲'}]});
          if (action === 'e_words_list') return of({retcode:0,result:[{GeneralID:601,detail:[{GeneralID:701,Title:'apple',sy:'苹果',yb:'/ˈæpəl/'}]},{GeneralID:602,detail:[{GeneralID:702,Title:'banana',sy:'香蕉',yb:'/bəˈnɑːnə/'}]}]});
          return original(action,params);
        }) as typeof api.get);
        harness = await RouterTestingHarness.create('/pages/member/starshop' + (entry === 'coach-wordbook' ? '?wordbookStudentId=100' : ''));
        await harness.fixture.whenStable();harness.fixture.detectChanges();
        for (const button of Array.from(harness.routeNativeElement!.querySelectorAll<HTMLButtonElement>('.word-select-list > button'))) button.click();
        harness.fixture.detectChanges();
        (harness.routeNativeElement!.querySelector('.selection-header .primary-button') as HTMLButtonElement).click();
      }
      await harness.fixture.whenStable();harness.fixture.detectChanges();
      expect(TestBed.inject(Router).url).toContain('/pages/stu/stu_con');
      const component = harness.fixture.debugElement.query(By.directive(LearningPageComponent)).componentInstance as LearningPageComponent;
      expect(component.words().length).toBe(2);
      component.words.update(words => words.map(word => ({...word,phonetic:word.phonetic || '/wɜːd/'})));
      spyOn(component,'play').and.resolveTo();
      for (const step of [1,2,3] as const) {
        expect(component.studyStep()).toBe(step);harness.fixture.detectChanges();
        const first = component.words()[0], row = harness.routeNativeElement!.querySelector<HTMLButtonElement>('.repeat-list > button')!;
        const answer = () => row.querySelector('small:not(.study-phonetic)');
        expect(row.querySelector('strong')?.textContent).toBe(step===3 ? first.meaning : first.word);
        expect(answer()).toBeNull();
        row.click();harness.fixture.detectChanges();expect(answer()).toBeNull();
        if(step!==3)expect(row.querySelector('.study-phonetic')?.textContent).toBe(first.phonetic);
        row.click();harness.fixture.detectChanges();expect(answer()?.textContent).toBe(step===3 ? first.word : first.meaning);
        row.click();harness.fixture.detectChanges();expect(answer()).toBeNull();expect(row.querySelectorAll('.repeat-dots .done').length).toBe(3);
        if(step!==3)expect(row.querySelector('.study-phonetic')?.textContent).toBe(first.phonetic);
        row.click();harness.fixture.detectChanges();expect(answer()).toBeNull();expect(component.repetitions()[first.id]).toBe(3);
        if(step<3){for(const [index,word] of component.words().entries())if(index>0)for(let tap=0;tap<3;tap++)component.repeatWord(word,index);}
      }
    });
  }

  it('uses different save identities for consecutive learned passes and leaves the third pass read-only', async () => {
    const {api,harness,component}=await teacherSelection(2,1);
    spyOn(TestBed.inject(PlatformService),'toast'); // Two consecutive saves test state, not toast dismissal timers.
    const original=api.post.bind(api),saved=new Map<string,Observable<ApiEnvelope<any>>>(),keys:string[]=[];
    spyOn(api,'post').and.callFake(((action:string,params:Record<string,unknown>={})=>{
      if(action!=='e_add_words')return original(action,params);
      const key=String(params['requestKey']);keys.push(key);if(saved.has(key))return saved.get(key)!;
      const result=original(action,params);saved.set(key,result);return result;
    }) as typeof api.post);
    for(const expectedPass of [2,3]){
      (harness.routeNativeElement!.querySelector('.bulk-select-toggle') as HTMLButtonElement)?.click();harness.fixture.detectChanges();
      (harness.routeNativeElement!.querySelector('.bulk-assessment .known-button') as HTMLButtonElement)?.click();await harness.fixture.whenStable();harness.fixture.detectChanges();
      expect(component.coursePass()).toBe(expectedPass);expect(component.visibleCourseWords().length).toBe(2);
    }
    expect(keys.length).toBe(2);expect(new Set(keys).size).toBe(2);
    expect([...api.courseIncrements.values()]).toEqual([2,2]);
    expect(component.coursePassCount(3)).toBe(2);expect(component.coursePassCount(0)).toBe(0);
    expect(harness.routeNativeElement!.querySelector('.bulk-select-toggle')).toBeNull();
    expect(harness.routeNativeElement!.querySelector('.word-select-check')).toBeNull();
    expect(harness.routeNativeElement!.querySelector('.word-assessment')).toBeNull();
    component.toggleBulkSelection();component.applyBulkAssessment('known');
    expect(keys.length).toBe(2);
  });

});