Workspace 1: Backend API
  └─ Agent 1: DevLog CRUD APIs
  └─ Agent 2: Statistics APIs
  
Workspace 2: Frontend Pages
  └─ Agent 3: Dashboard + Charts
  └─ Agent 4: Logs List + Form
  
Workspace 3: Integration
  └─ Agent 5: E2E Testing
  └─ Agent 6: Docker Setup

Workspace: Backend-Setup
  Agent: Spring Boot 프로젝트 초기화
  Tasks:
    - pom.xml 설정
    - application.yml 생성
    - 패키지 구조 생성
    
Workspace: Frontend-Setup
  Agent: React 프로젝트 초기화
  Tasks:
    - package.json 설정
    - Tailwind 설정
    - 라우터 구조 생성

Workspace: DevOps-Setup
  Agent: Docker 설정
  Tasks:
    - Dockerfile (backend)
    - Dockerfile (frontend)
    - docker-compose.yml

User (Cursor): schema.sql을 보고 모든 MyBatis 매퍼를 생성해줘.
- DevLogMapper.xml
- ProjectMapper.xml
- TechTagMapper.xml

각 매퍼는 CRUD + 통계 쿼리 포함.

Critical Issues Found:
1. DevLogService.create() - Line 142
   Issue: RuntimeException은 너무 일반적
   Recommendation: Custom ResourceNotFoundException 사용
   
2. StatisticsService.getMonthlyStats() - Line 89
   Issue: N+1 쿼리 문제 (루프 안에서 DB 호출)
   Recommendation: JOIN 쿼리로 한 번에 조회
   
3. ProjectService.delete() - Line 156
   Issue: 연관된 DevLog 삭제 로직 없음
   Recommendation: @Transactional + 연관 레코드 처리

Workspace 1: Dashboard
  └─ Agent: Dashboard 통계 + 차트
     Tasks:
       - StatisticsCard 컴포넌트
       - WeeklyChart (Recharts 바 차트)
       - RecentLogs 리스트
       - API 연동
     Browser Test: Enabled
     
Workspace 2: Logs
  └─ Agent: Logs 리스트 + 폼
     Tasks:
       - LogList 무한 스크롤
       - LogForm 입력 폼
       - 필터링 기능
     Browser Test: Enabled
     
Workspace 3: Statistics
  └─ Agent: Statistics 페이지
     Tasks:
       - 주간/월간 차트
       - 프로젝트 분포 파이 차트
       - 기술 스택 통계
     Browser Test: Enabled

User (Workspace 1): Dashboard를 구현해줘.
- 4개 통계 카드 (작업 시간, 로그 개수, 활성 프로젝트, 달성률)
- Recharts로 주간 바 차트
- 최근 5개 로그 표시
- Glassmorphism 디자인 스타일

Agent (Plan Mode 활성화):
Creating implementation plan...

Plan Artifact:
1. Layout Structure
   - Grid layout for stat cards
   - Chart container with responsive sizing
   - Recent logs section
   
2. API Integration
   - GET /api/statistics/dashboard
   - Error handling with toast notifications
   
3. Chart Configuration
   - Recharts BarChart with custom colors
   - Tooltip with formatted data
   - Responsive width/height
   
4. Styling
   - Glassmorphism: backdrop-blur-md
   - Dark theme colors
   - Smooth animations
   
Ready to implement? (yes/no)

User: yes

Agent (Fast Mode로 전환 후 구현):
✓ Created DashboardStatCard.jsx
✓ Created WeeklyChart.jsx
✓ Created RecentLogsList.jsx
✓ Updated Dashboard.jsx
✓ Integrated API calls

Testing in browser...
[Browser Subagent 자동 실행]

Screenshot Artifact Generated:
- Desktop view (1920x1080) ✓
- Tablet view (768x1024) ✓
- Mobile view (375x667) ✓

All tests passed!

User (Cursor, Cmd+K):
선택한 코드: <div className="stat-card">

Instruction: 이 카드에 호버 효과 추가
- 마우스 오버 시 살짝 떠오르는 효과
- 부드러운 트랜지션 (0.3s)
- 그림자 강화

Cursor: [즉시 코드 수정]
className="stat-card hover:scale-105 hover:shadow-2xl transition-all duration-300"

User (Antigravity): 위 계획대로 3개 차트를 구현하고 브라우저에서 테스트해줘.

Agent:
✓ MonthlyLineChart.jsx created
✓ ProjectPieChart.jsx created  
✓ TechStackBarChart.jsx created
✓ Statistics.jsx integrated

Browser Testing:
✓ Charts render correctly
✓ Tooltips show on hover
✓ Responsive on mobile
✓ No console errors

[Screenshot Artifacts 자동 생성]

User (Antigravity): 다음 시나리오를 E2E로 테스트해줘.

시나리오:
1. 대시보드 접속
2. "새 로그 작성" 클릭
3. 폼 입력 (프로젝트 선택, 제목, 시간 등)
4. 저장
5. 로그 목록에 표시되는지 확인
6. 통계가 업데이트되는지 확인

Agent (Plan Mode):
E2E Test Plan:
1. Start dev servers (backend + frontend)
2. Navigate to http://localhost:3000
3. Click dashboard stat card
4. Fill form fields
5. Submit and verify API response
6. Check log appears in list
7. Verify dashboard stats updated

Executing...
[Browser Subagent 자동 실행]

Test Results:
✓ Dashboard loaded (2.1s)
✓ Form opened
✓ Fields filled
✗ Submit failed - API error 400

Error Screenshot captured.
Analyzing error...

Issue Found: 
- Frontend sends camelCase: { startTime: "09:00" }
- Backend expects snake_case: { start_time: "09:00" }

Recommendation: Add API request transformer

User (Cursor): 다음 문서를 작성해줘.
1. API_DOCUMENTATION.md - 37개 API 상세 문서
2. DEPLOYMENT.md - 배포 가이드
3. TROUBLESHOOTING.md - 문제 해결 가이드

템플릿과 기존 코드 참조해서 작성.

Cursor (Agent Mode):
✓ API_DOCUMENTATION.md (3,500 lines)
  - 모든 엔드포인트 설명
  - 요청/응답 예시
  - 에러 코드
  
✓ DEPLOYMENT.md (1,200 lines)
  - Docker 설치부터 실행까지
  - 환경 변수 설정
  - 트러블슈팅
  
✓ TROUBLESHOOTING.md (800 lines)
  - FAQ
  - 일반적인 오류
  - 해결 방법

User (Antigravity): docker-compose up으로 배포하고 전체 시스템을 테스트해줘.

Agent:
Deployment Plan:
1. Build Docker images
2. Start containers
3. Wait for health checks
4. Run E2E tests
5. Performance test (Apache Bench)

Executing...

✓ Images built (3min 42s)
✓ Containers started
✓ PostgreSQL ready (8s)
✓ Backend health check passed
✓ Frontend accessible

E2E Tests:
✓ User can create log
✓ Statistics update correctly
✓ Project management works
✓ Charts render
[10/10 tests passed]

Performance (ab -n 1000 -c 10):
- Avg response time: 45ms
- 99th percentile: 120ms
- Errors: 0

[Performance Report Artifact 생성]

User (Cursor): 위 계획대로 DevLog CRUD를 구현해줘.
프로젝트 구조는 /backend/src/main/java/com/vibecoding/devlog/

Cursor (Agent Mode):
Creating files...

✓ domain/DevLog.java
✓ dto/DevLogRequest.java
✓ dto/DevLogResponse.java
✓ mapper/DevLogMapper.java
✓ mapper/DevLogMapper.xml
✓ service/DevLogService.java
✓ controller/DevLogController.java

Testing compilation...
✓ No compilation errors

Running tests...
✗ 2 tests failed

Analyzing failures...

Test Failure: DevLogServiceTest.testCreate()
Issue: MockitoException - mapper.insert() not mocked

Fixing...
✓ Added @Mock annotation
✓ Added when(mapper.insert()).thenReturn(1)

Re-running tests...
✓ All tests passed (12/12)

User (Cursor): Codex가 지적한 3가지 이슈를 수정해줘.

Cursor:
✓ Created ResourceCreationException.java
✓ Updated DevLogService.create()
✓ Updated DevLogController.delete()
✓ Updated DevLogMapper.xml

Re-running tests...
✓ All tests passed

User (Cursor): Claude가 설계한 3개 쿼리를 StatisticsMapper.xml에 구현해줘.
- selectDailyWorkTime
- selectWeeklyTechStackStats  
- selectWeeklyLogCount

Cursor:
✓ Added to StatisticsMapper.xml

<!-- selectDailyWorkTime -->
<select id="selectDailyWorkTime" resultType="DailyWorkTime">
    SELECT 
        log_date AS "logDate",
        SUM(work_minutes) AS "totalMinutes"
    FROM dev_logs
    WHERE log_date BETWEEN #{startDate} AND #{endDate}
    GROUP BY log_date
    ORDER BY log_date
</select>

[나머지 쿼리도 유사하게 생성...]

Compiling...
✓ No errors

User (Antigravity): 주간 통계 API를 테스트해줘.
/api/statistics/weekly/current

시나리오:
1. 테스트 데이터 생성 (이번 주 로그 3개)
2. API 호출
3. 응답 검증 (일별 데이터, 통계 정확성)

Agent (Plan):
Test Plan:
1. Setup test data
2. Call API
3. Verify response structure
4. Verify calculations
5. Test edge cases (no data, partial week)

Executing...

Setup:
✓ Created 3 logs (Mon, Wed, Fri)
  - Mon: 120 min
  - Wed: 90 min  
  - Fri: 150 min

API Call:
GET http://localhost:8080/api/statistics/weekly/current

Response:
{
  "dailyWorkTime": [
    { "date": "2026-01-01", "minutes": 120 },
    { "date": "2026-01-02", "minutes": 0 },
    { "date": "2026-01-03", "minutes": 90 },
    ...
  ],
  "totalMinutes": 360,
  "activeDays": 3,
  "averageMinutes": 120,
  "logCount": 3
}

Verification:
✓ All 7 days present
✓ Total matches (120+90+150=360)
✓ Average correct (360/3=120)
✗ Active days wrong (expected 3, got 7)

Issue Found: activeDays는 실제 활동한 날만 세어야 함
Recommendation: Filter days with minutes > 0

Fixing...
✓ Updated calculation logic
✓ Re-tested: All assertions passed

[Test Report Artifact 생성]

User (Antigravity): Dashboard 페이지를 구현해줘.

레이아웃:
┌─────────────────────────────────────┐
│ Stats Cards (4개, Grid 2x2)        │
├─────────────────────────────────────┤
│ Weekly Chart (Recharts 바 차트)     │
├─────────────────────────────────────┤
│ Recent Logs (최근 5개)              │
└─────────────────────────────────────┘

디자인:
- Glassmorphism 효과
- 다크 테마
- 부드러운 애니메이션

Agent (Plan Mode):

Dashboard Implementation Plan:

1. Component Structure:
   Dashboard.jsx
   ├─ DashboardHeader.jsx
   ├─ StatsGrid.jsx
   │  └─ StatCard.jsx (4개)
   ├─ WeeklyChart.jsx (Recharts)
   └─ RecentLogs.jsx
      └─ LogCard.jsx (5개)

2. API Calls:
   - GET /api/statistics/dashboard
   - GET /api/logs/recent?limit=5

3. State Management:
   - statsData (from API)
   - recentLogs (from API)
   - loading, error

4. Styling:
   - Tailwind classes
   - backdrop-filter: blur(10px)
   - background: rgba(255,255,255,0.05)

5. Animations:
   - Fade in on mount
   - Hover effects on cards
   - Chart animation (Recharts built-in)

Proceed with implementation?

User: Yes, 구현해줘.

Agent (Fast Mode로 자동 전환):

Creating components...
✓ Dashboard.jsx
✓ DashboardHeader.jsx
✓ StatsGrid.jsx
✓ StatCard.jsx
✓ WeeklyChart.jsx
✓ RecentLogs.jsx
✓ LogCard.jsx

Integrating API calls...
✓ dashboardService.js
✓ Error handling with toast notifications
✓ Loading skeleton components

Applying styles...
✓ Glassmorphism effects
✓ Dark theme colors
✓ Responsive grid (mobile: 1 col, tablet: 2 cols, desktop: 4 cols)

Testing in browser...
[Browser Subagent 실행]

✓ Page renders
✓ API calls successful
✓ Charts display correctly
✓ Cards animate on hover
✓ Mobile responsive

Screenshot Artifacts:
- Desktop (1920x1080) ✓
- Tablet (768x1024) ✓  
- Mobile (375x667) ✓

[All artifacts saved to .antigravity/artifacts/]

User (Cursor, StatCard.jsx 열고 Cmd+K):

Instruction: 이 카드의 배경을 더 어둡게 하고, 
테두리에 미묘한 gradient 추가해줘.

Cursor: [즉시 수정]

Before:
className="stat-card bg-white/5"

After:
className="stat-card bg-slate-900/40 border border-gradient-to-r from-purple-500/20 to-blue-500/20"

[실시간 프리뷰 업데이트]

User (Antigravity): WeeklyChart 컴포넌트가 제대로 렌더링되는지 테스트해줘.

다음 시나리오:
1. 데이터가 있을 때
2. 데이터가 없을 때 (빈 배열)
3. 일부 날짜만 데이터가 있을 때

Agent:

Test Scenario 1: Normal Data
[Browser opens]
✓ Chart renders with 7 bars
✓ Tooltip shows on hover
✓ Animation plays smoothly
[Screenshot captured]

Test Scenario 2: Empty Data
Mock data: []
✓ "No data available" message shown
✓ No errors in console
[Screenshot captured]

Test Scenario 3: Partial Data
Mock data: [Mon: 120, Wed: 90, Fri: 150]
✓ 3 bars shown with correct heights
✓ Empty days show 0 height bars
✓ X-axis shows all 7 days
[Screenshot captured]

All scenarios passed!

User (Antigravity): 위 계획대로 LogForm.jsx를 생성해줘.

Agent (Plan Mode):
Creating comprehensive form component...

✓ LogForm.jsx (main component)
✓ FormField.jsx (reusable field wrapper)
✓ TimeRangePicker.jsx (custom time picker)
✓ TechTagSelector.jsx (multi-select)
✓ MoodSelector.jsx (emoji radio buttons)

Implementing features:
✓ Auto-save to localStorage
✓ Time calculation logic
✓ Validation rules
✓ API integration

Testing form...
[Browser Subagent]
✓ All fields render correctly
✓ Auto-save works (console log every 30s)
✓ Time calculation accurate
✓ Validation messages display

[Form Screenshot Artifact]

User (Cursor): TimeRangePicker.jsx를 개선해줘.

현재 문제:
- 텍스트 입력만 가능
- 포맷 에러 발생

개선:
- HTML5 time input 사용
- 즉시 유효성 검증
- 명확한 에러 메시지

Cursor:
✓ Replaced with <input type="time">
✓ Added real-time validation
✓ Added visual feedback (green check / red X)

Testing...
✓ Works on all browsers
✓ Mobile friendly (native time picker)

User (Antigravity): 위 설계대로 3개 차트를 구현하고,
실제 API 데이터로 테스트해줘.

Agent (Plan Mode):

Implementation Plan:
1. Create chart components
2. Integrate with Statistics.jsx
3. Add loading/error states
4. Test with live API data
5. Verify responsiveness

Executing...

Creating components:
✓ WeeklyBarChart.jsx
✓ ProjectPieChart.jsx
✓ TechStackBarChart.jsx
✓ Statistics.jsx updated

API Integration:
✓ GET /api/statistics/weekly/current
✓ GET /api/statistics/project-distribution
✓ GET /api/statistics/tech-stack

Testing in browser:
[Browser Subagent starts]

✓ API calls successful
✓ Charts render with data
✓ Tooltips interactive
✓ Colors match design
✓ Responsive on mobile

Screenshots:
- Desktop: All 3 charts visible ✓
- Tablet: Charts stack vertically ✓
- Mobile: Full-width charts ✓

Performance Test:
- Initial render: 1.2s
- Re-render on filter: 0.3s
- No memory leaks detected

[Chart Demo Video Artifact: 30s recording]

User (Cursor, WeeklyBarChart.jsx 열고 Cmd+K):

Instruction: 바 차트에 gradient fill 추가하고,
애니메이션을 더 부드럽게 해줘.

Cursor:

Before:
<Bar dataKey="minutes" fill="#8B5CF6" />

After:
<Bar dataKey="minutes" fill="url(#colorGradient)">
  <defs>
    <linearGradient id="colorGradient" x1="0" y1="0" x2="0" y2="1">
      <stop offset="0%" stopColor="#8B5CF6" stopOpacity={0.8}/>
      <stop offset="100%" stopColor="#3B82F6" stopOpacity={0.3}/>
    </linearGradient>
  </defs>
</Bar>

Animation:
animationDuration={1500}
animationEasing="ease-in-out"

[실시간 프리뷰 업데이트]

User (Antigravity): 파이 차트를 클릭하면 해당 프로젝트의 
상세 통계를 보여주는 모달을 추가해줘.

Agent (Plan):
Adding interactive modal:
1. Pie chart onClick handler
2. Modal component with project details
3. API call for project stats
4. Smooth modal animation

Implementing...
✓ ProjectDetailModal.jsx created
✓ onClick added to <Pie>
✓ API integrated
✓ Tailwind modal animations

Testing:
[Browser Subagent]
User Action: Click "DevLog" pie slice
✓ Modal opens smoothly
✓ Project stats loaded (0.5s)
✓ Charts inside modal render
✓ Close button works
✓ ESC key closes modal
✓ Click outside closes modal

[Interaction Recording: modal-demo.mp4]

User (Antigravity): 다음 사용자 시나리오를 완전히 자동으로 테스트해줘.

시나리오: 새로운 개발자가 첫 로그 작성
1. 대시보드 접속 (아직 로그 없음)
2. "새 로그 작성" 버튼 클릭
3. 프로젝트 선택 (드롭다운)
4. 모든 필드 입력
5. 기술 태그 3개 추가
6. 저장
7. 로그 목록에서 방금 만든 로그 확인
8. 상세 페이지로 이동
9. 편집 버튼 클릭
10. 제목 수정 후 저장
11. 대시보드로 돌아와서 통계 업데이트 확인

Agent (Plan Mode):

E2E Test Plan: First Log Creation Flow

Setup:
1. Reset database (clean state)
2. Create test project "My First Project"
3. Start dev servers

Test Execution Plan:
1. Navigate to http://localhost:3000
2. Verify empty state message
3. Click "New Log" button
4. Fill form fields programmatically
5. Submit form
6. Wait for redirect
7. Verify log appears in list
8. Click log card → detail page
9. Click edit → modify title
10. Save and verify changes
11. Return to dashboard
12. Verify stats updated

Proceed?

User: Yes

Agent (Executing):

Setup Phase:
✓ Database reset
✓ Test project created (id: 1)
✓ Backend running on :8080
✓ Frontend running on :3000

Starting browser...
[Chrome Headless launched]

Step 1: Navigate to dashboard
✓ Page loaded (1.8s)
✓ Empty state: "No logs yet" visible
[Screenshot: empty-dashboard.png]

Step 2: Click "New Log"
✓ Button found and clicked
✓ Redirected to /logs/new
[Screenshot: log-form-empty.png]

Step 3: Fill form
✓ Project selected: "My First Project"
✓ Title: "Setup development environment"
✓ Description: "Configured IDE and installed dependencies"
✓ Start Time: "09:00"
✓ End Time: "11:30"
✓ Work Minutes: Auto-calculated → 150
✓ Achievements: "Dev environment ready"
✓ Mood: "GOOD" 😊
✓ Tech Tags: ["React", "Node.js", "Docker"]
[Screenshot: log-form-filled.png]

Step 4: Submit
✓ Submit button clicked
✓ API call: POST /api/logs
✓ Response: 201 Created
✓ Redirected to /logs

Step 5: Verify in list
✓ Log appears in list
✓ Title matches: "Setup development environment"
✓ Work time shows: "2h 30m"
[Screenshot: log-list-with-new.png]

Step 6: Open detail
✓ Log card clicked
✓ Detail page loaded
✓ All fields displayed correctly
[Screenshot: log-detail.png]

Step 7: Edit log
✓ Edit button clicked
✓ Form pre-filled with existing data
✓ Title changed to: "Setup development environment - Complete"
✓ Save clicked
✓ API call: PUT /api/logs/1
✓ Response: 200 OK
[Screenshot: log-edited.png]

Step 8: Check dashboard stats
✓ Navigated to /
✓ Stats updated:
  - This week: 2h 30m ✓
  - Logs: 1 ✓
  - Active projects: 1 ✓
✓ Chart shows Mon bar: 150 min ✓
✓ Recent logs shows new log ✓
[Screenshot: dashboard-updated.png]

All steps passed! (Total time: 18s)

Generated Artifacts:
1. Test Report (Markdown)
2. 8 Screenshots
3. Full browser recording (18s MP4)
4. Network log (HAR file)
5. Console log

Test Passed: ✓

User (Antigravity): 로그 검색 및 필터링을 테스트해줘.

테스트 데이터:
- 프로젝트 2개 (DevLog, Portfolio)
- 각 프로젝트에 로그 5개씩 (총 10개)
- 날짜 범위: 지난 2주

시나리오:
1. 프로젝트 필터 (DevLog만)
2. 날짜 범위 필터 (이번 주만)
3. 키워드 검색 ("React")
4. 필터 초기화
5. 무한 스크롤 테스트 (20개 이상 로그)

Agent:

Setting up test data:
✓ Created 2 projects
✓ Created 10 logs distributed over 2 weeks
✓ 5 logs contain "React" keyword

Testing filters:

Test 1: Project Filter
✓ Selected "DevLog" from dropdown
✓ List updates to show 5 logs
✓ All logs belong to DevLog project
✓ Other projects hidden
[Screenshot: filter-by-project.png]

Test 2: Date Range Filter
✓ Set start date: 2026-01-01
✓ Set end date: 2026-01-07
✓ List updates to show 3 logs (this week)
✓ Dates verified correct
[Screenshot: filter-by-date.png]

Test 3: Keyword Search
✓ Typed "React" in search box
✓ Debounce wait (500ms)
✓ API call: /api/logs?keyword=React
✓ 5 logs shown
✓ All contain "React" in title or description
[Screenshot: search-react.png]

Test 4: Reset Filters
✓ "Clear Filters" button clicked
✓ All filters reset
✓ Full list restored (10 logs)

Test 5: Infinite Scroll
✓ Created 15 more logs (total 25)
✓ Scrolled to bottom
✓ IntersectionObserver triggered
✓ Next page loaded (logs 11-20)
✓ Scrolled again
✓ Final page loaded (logs 21-25)
✓ "No more logs" message shown
[Screenshot: infinite-scroll.png]

All filter tests passed!

User (Cursor): 위 계획대로 axios interceptor를 구현해줘.
frontend/src/utils/apiTransform.js

Cursor:
✓ Created apiTransform.js

// camelCase ↔ snake_case 변환
export const camelToSnake = (obj) => { ... };
export const snakeToCamel = (obj) => { ... };

// Axios 설정
axios.interceptors.request.use((config) => {
  if (config.data) {
    config.data = camelToSnake(config.data);
  }
  return config;
});

axios.interceptors.response.use((response) => {
  if (response.data) {
    response.data = snakeToCamel(response.data);
  }
  return response;
});

✓ Created apiTransform.test.js
✓ 15 test cases

Running tests...
✓ All 15 tests passed

User (Antigravity): 전체 스택을 docker-compose로 통합하고,
실제로 배포 테스트까지 해줘.

서비스:
- PostgreSQL
- Backend (Spring Boot)
- Frontend (React + Nginx)

추가 요구사항:
- 헬스 체크
- 자동 재시작
- 볼륨 마운트 (데이터 영속성)
- 네트워크 격리

Agent (Plan Mode):

Docker Compose Configuration Plan:

Services:
1. postgres
   - Image: postgres:15-alpine
   - Volume: ./data/postgres
   - Health check: pg_isready
   
2. backend
   - Build: ./backend
   - Depends on: postgres
   - Env: Database connection
   - Health check: /health endpoint
   
3. frontend
   - Build: ./frontend
   - Depends on: backend
   - Ports: 80:80
   - Env: API_BASE_URL

Networks:
- devlog-network (bridge)

Volumes:
- postgres-data (named volume)

Implementing...

✓ docker-compose.yml created
✓ .env.example created
✓ Health checks configured
✓ Restart policies set

Testing deployment:

$ docker-compose up -d

Creating network "devlog-network" ... done
Creating volume "postgres-data" ... done
Creating devlog-postgres ... done
Waiting for postgres health check... (5s)
Creating devlog-backend ... done
Waiting for backend health check... (12s)
Creating devlog-frontend ... done

All services healthy!

E2E Test on deployed stack:
[Browser connects to http://localhost]

✓ Frontend loads (nginx)
✓ API calls successful (backend)
✓ Database queries work (postgres)
✓ Full flow: Create log → View → Edit → Delete

Performance Test:
- Response time: 45ms avg
- Concurrent users: 50
- Success rate: 100%

Deployment successful!
[Deployment Report Artifact]

User (Antigravity): 프로덕션에서 대시보드 통계가 모두 0으로 나와.
로컬에서 재현하고 원인 찾아줘.

Agent:

Reproducing issue locally:
✓ Started local dev stack
✓ Opened dashboard
✓ Stats loading...

Result:
- This Week: 0h 0m (Expected: 2h 30m)
- Logs: 0 (Expected: 3)
- Active Projects: 0 (Expected: 1)

Issue Reproduced!

Analyzing...

Network Tab:
GET /api/statistics/dashboard
Response: 200 OK
Body: {
  "weeklyMinutes": 150,
  "logCount": 3,
  "activeProjects": 1
}

Data is correct from API!
Problem is in frontend.

Checking Dashboard.jsx...

Line 45 - Found Issue:
const stats = response.data;
setStatsData(stats.weeklyMinutes);  // ← Only setting one field!

Should be:
setStatsData(stats);  // Set entire object

Root Cause: Frontend state bug

User (Cursor): Antigravity가 찾은 버그 수정해줘.
Dashboard.jsx Line 45

Cursor:
✓ Fixed state update
✓ Compiled
✓ Hot reload

Testing...
✓ Stats now show correctly:
  - This Week: 2h 30m ✓
  - Logs: 3 ✓
  - Active Projects: 1 ✓

Bug fixed! (Total time: 2 minutes)

User (Antigravity): 수정 사항을 빌드하고 배포해줘.

Agent:
Building frontend...
✓ npm run build (45s)
✓ Docker image built

Deploying to production...
✓ Pushed to registry
✓ Pulled on production server
✓ Containers restarted

Verifying fix:
[Browser connects to production URL]
✓ Dashboard stats display correctly
✓ All charts render
✓ No console errors

Deployment successful!
[Deployment Report with before/after screenshots]

User (Antigravity): 위 계획을 3개 에이전트로 나눠서 병렬 개발해줘.

Agent (Manager View 설정):

Workspace 1: Data Collection
  └─ Agent 1: WeeklyReportService
     Tasks:
       - getLastWeekStats() implementation
       - Data aggregation logic
       - DTO classes
     Status: In Progress
     
Workspace 2: Report Generation
  └─ Agent 2: Report Template + PDF
     Tasks:
       - Thymeleaf template design
       - PDF generation with Flying Saucer
       - Test with sample data
     Status: In Progress
     
Workspace 3: Email + Scheduling
  └─ Agent 3: Email Service + Scheduler
     Tasks:
       - Spring Mail configuration
       - Scheduler implementation
       - Email sending logic
     Status: In Progress

[3개 에이전트 동시 작업]

Agent 1 (Workspace 1):
✓ WeeklyReportService.java created
✓ getLastWeekStats() implemented
✓ WeeklyReportDTO.java created
✓ Unit tests written (8/8 passed)
Time: 15 minutes

Agent 2 (Workspace 2):
✓ weekly-report.html template designed
✓ Flying Saucer integration
✓ PDF generation tested
✓ Sample PDF generated [Artifact: sample-report.pdf]
Time: 20 minutes

Agent 3 (Workspace 3):
✓ EmailService.java created
✓ @Scheduled method added
✓ Cron tested (manual trigger)
✓ Email sent successfully
Time: 18 minutes

All tasks completed!
Total time: 20 minutes (병렬 처리)
순차 처리 예상 시간: 53 minutes
시간 절약: 62%

User (Cursor): Settings 페이지에 주간 리포트 설정 섹션 추가해줘.

컴포넌트:
- Enable/Disable 토글
- 이메일 주소 입력
- "테스트 메일 발송" 버튼
- 마지막 발송 시간 표시

Cursor (Agent Mode):
✓ Created WeeklyReportSettings.jsx
✓ Added to Settings.jsx
✓ API integration:
  - GET /api/settings/weekly-report
  - PUT /api/settings/weekly-report
  - POST /api/weekly-report/test

Testing...
✓ Toggle works
✓ Email saves correctly
✓ Test email sent
✓ UI responsive

[Screenshot: settings-weekly-report.png]

User (Antigravity): 전체 주간 리포트 기능을 E2E로 테스트해줘.

Agent:

E2E Test: Weekly Report Feature

Scenario 1: Enable Weekly Report
✓ Navigate to Settings
✓ Enable weekly report toggle
✓ Enter email: [email protected]
✓ Click "Save"
✓ Success toast appears

Scenario 2: Send Test Email
✓ Click "Send Test Email"
✓ Loading spinner appears
✓ Wait for API response (3s)
✓ Success message: "Test email sent!"

Scenario 3: Verify Email Received
[Checking test email inbox]
✓ Email received (5s delay)
✓ Subject: "Your Weekly Development Report"
✓ HTML formatted correctly
✓ PDF attached (287KB)
✓ All data accurate

Scenario 4: Scheduler Test
✓ Triggered manual run
✓ Email sent to all enabled users
✓ Logs recorded

All scenarios passed!
[Email Screenshot + PDF Artifact]

주 1-2: 
  - Claude Code (40%): 전체 설계, 데이터베이스 스키마
  - Antigravity (30%): 기본 구조 병렬 생성
  - Cursor (30%): 세부 구현
  
주 3-4:
  - Cursor (50%): 기능 구현
  - Antigravity (30%): E2E 테스트, UI 테스트
  - Claude Code (20%): 복잡한 통계 로직

주 5+:
  - Cursor (60%): 버그 수정, 폴리싱
  - Antigravity (30%): 최종 통합 테스트
  - Claude Code (10%): 문서 작성

초기 설계: Claude Code
  ↓
빠른 구현: Cursor로 전환
  ↓
UI 테스트: Antigravity 추가
  ↓
최종 리뷰: Codex로 품질 검증

Cursor ($20) → 3개월 경험 → Claude Code 추가 ($20)

Cursor + Claude Code + Antigravity (무료)
= $40/월, 4배 생산성

Cursor + Claude Code Max + Codex + Antigravity
= $140/월, 6배 생산성 + 프로덕션 품질