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Radosław Gierwiało 93c5680397 docs: update documentation with recent features

- Add Recording Matching System section (auto-matching algorithm)
- Add Competitor Number (Bib) Support section
- Add Frontend Refactoring section (component extraction, constants)
- Update test count: 223 → 286 tests (73% coverage)
- Update dates to 2025-11-23

2025-11-23 23:05:23 +01:00

34 KiB

Raw Blame History

TODO - spotlight.cam

Active tasks and roadmap - optimized for quick reference

🎯 CURRENT STATUS

Phase: 3 (MVP Finalization) - ✅ COMPLETED Previous Phases:

Phase 2.5 (WebRTC Implementation) - ✅ COMPLETED
Phase 2 (Matches & Ratings API) - ✅ COMPLETED
Phase 1.6 (Competition Heats System) - ✅ COMPLETED Progress: 100% MVP complete Status: Ready for production deployment

🔧 CURRENT STATUS - Backend Tests (2025-11-23) - ✅ ALL PASSING!

Test Status: 286/286 passing (100%) - ✅ ALL TESTS FIXED!

Initial state: 145/223 (65%) - 2025-11-20
After cleanup fixes: 189/223 (84.8%)
After test isolation: 223/223 (100%)
After new features: 286/286 (100%) - 2025-11-23
Total improvement: +141 tests (+63 new tests)

Code Coverage: 73.32% (up from ~45%)

✅ All fixes completed:

Test cleanup - replaced deleteMany({}) with selective deletion:
- backend/src/__tests__/events.test.js - selective deletion by username/email/slug
- backend/src/__tests__/matches.test.js - selective deletion by username/email/slug
- backend/src/__tests__/csrf.test.js - selective deletion by username/email
Cleanup resilience - replaced delete() with deleteMany():
- backend/src/__tests__/socket.test.js - all afterAll + inline cleanup
- backend/src/__tests__/matches.test.js - inline cleanup (2 locations)
- backend/src/__tests__/socket-webrtc.test.js - inline cleanup
Socket tests fixes:
- Changed eventId → slug in socket event handlers
- Added EventParticipant creation before join_event_room
- Added safety checks before creating FK relationships
Auth tests fixes:
- app.test.js - CORS origin localhost:8080
- security.js - added localhost:3000 to allowed origins (dev)
- auth-phase1.5.test.js - fixed error message expectations
Test isolation - unique test data per suite to prevent race conditions:
- users.test.js - prefixed usernames with users_ (users_john_dancer, users_sarah_swings)
- matches.test.js - prefixed with matches_ (matches_john_dancer, etc.) + unique event slug
- events.test.js - prefixed with events_ (events_john_dancer, etc.) + unique slugs + unique worldsdc_id

Commits made:

test: fix socket.test.js cleanup and event room parameters
test: improve test cleanup - selective deletion instead of wiping tables
test: fix test isolation by using unique test data per suite

🔐 SECURITY AUDIT FINDINGS (2025-11-20)

Audit Status: Comprehensive security audit completed by nodejs-security-auditor Overall Security Grade: B+ (pending critical fixes) Production Readiness: ❌ NOT READY - 3 critical blockers must be resolved Ready for Production: 95% (after fixing critical issues)

🚨 CRITICAL ISSUES (BLOCKERS - Must Fix Immediately)

Status: ❌ All must be resolved before production deployment

❌ HARDCODED AWS CREDENTIALS IN REPOSITORY
- Severity: CRITICAL (10/10)
- CWE: CWE-798 (Use of Hard-coded Credentials)
- File: backend/.env.production (lines with AWS keys)
- Issue: Live AWS credentials committed to Git repository
- Impact:
  - Unauthorized AWS account access
  - Financial damage from resource abuse
  - Email spam/phishing using your domain
  - Potential data breach
- Required Actions:
```
# 1. ROTATE CREDENTIALS IMMEDIATELY in AWS Console
# 2. Remove from Git history:
git rm --cached backend/.env.production backend/.env.development
git filter-repo --path backend/.env.production --invert-paths
# 3. Use environment variables or Docker Secrets instead
# 4. Never commit .env.production files again
```
- Location: Backend deployment configuration
- Priority: IMMEDIATE - These credentials are compromised
❌ WEAK PRODUCTION JWT SECRET
- Severity: CRITICAL (9/10)
- CWE: CWE-521 (Weak Password Requirements)
- File: backend/.env.production (JWT_SECRET line)
- Issue: JWT_SECRET=production-secret-key-CHANGE-THIS-IN-REAL-PRODUCTION
- Impact:
  - Attackers can forge valid JWT tokens
  - Complete authentication bypass
  - Account takeover for any user
- Required Fix:
```
# Generate cryptographically secure secret (minimum 256 bits)
node -e "console.log(require('crypto').randomBytes(64).toString('hex'))"
# Use output as JWT_SECRET in production environment (not in Git!)
```
- Location: backend/src/utils/auth.js:7 (implementation is correct, secret is weak)
- Priority: IMMEDIATE - Complete auth bypass possible
❌ DEFAULT DATABASE PASSWORD IN PRODUCTION
- Severity: CRITICAL (8/10)
- CWE: CWE-798 (Use of Hard-coded Credentials)
- File: docker-compose.yml:196 (db-prod service)
- Issue: POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-spotlightcam123}
- Impact:
  - Database compromise if default is used
  - Access to all user data (emails, password hashes, messages)
- Required Fix:
```
# Remove default fallback, force explicit password:
- POSTGRES_PASSWORD=${POSTGRES_PASSWORD:?POSTGRES_PASSWORD must be set}
```
- Location: Docker Compose production database service
- Priority: IMMEDIATE - Database security

🔴 HIGH PRIORITY ISSUES (Fix Before Production)

Status: ⏳ Should be resolved before public launch

⏳ MISSING HTTPS/TLS CONFIGURATION
- Severity: HIGH (8/10)
- Files: nginx/conf.d.prod/default.conf, docker-compose.yml
- Issue: Production nginx only listens on HTTP (port 80), no HTTPS/TLS
- Impact:
  - All traffic in plaintext (credentials, tokens, videos)
  - JWT tokens exposed to network sniffing
  - Session cookies vulnerable to interception
  - No MITM protection
- Required Actions:
```
# 1. Obtain SSL certificate (Let's Encrypt recommended)
certbot certonly --webroot -w /var/www/html -d spotlight.cam

# 2. Update nginx config for HTTPS (see audit report for full config)
# 3. Update CORS_ORIGIN to https://spotlight.cam
# 4. Update Socket.IO to force secure transports
```
- Priority: Required for production deployment

⏳ MISSING SECURITY HEADERS IN NGINX

Severity: HIGH (6/10)
File: nginx/conf.d.prod/default.conf
Issue: Production nginx missing critical security headers
Impact: XSS, clickjacking, MIME sniffing vulnerabilities

Required Fix:

add_header X-Frame-Options "SAMEORIGIN" always;
add_header X-Content-Type-Options "nosniff" always;
add_header X-XSS-Protection "1; mode=block" always;
add_header Referrer-Policy "strict-origin-when-cross-origin" always;
add_header Content-Security-Policy "default-src 'self'; ..." always;
# HSTS after HTTPS is working:
# add_header Strict-Transport-Security "max-age=31536000" always;

Priority: Must fix before launch

⏳ DEPENDENCY VULNERABILITIES
- Severity: HIGH (frontend), MODERATE (backend)
- Tool: npm audit
- Issues:
  - Backend: js-yaml (moderate - prototype pollution)
  - Backend: cookie via csurf (low - out of bounds chars)
  - Frontend: glob (high - command injection CVE, CLI only)
- Required Actions:
```
cd backend && npm audit fix
cd frontend && npm audit fix
# Monitor csurf package (maintenance mode) - consider migration
```
- Priority: Run before launch
⏳ EXCESSIVE REQUEST SIZE LIMIT
- Severity: HIGH (DoS potential)
- File: nginx/conf.d.prod/default.conf:13
- Issue: client_max_body_size 500M; - Way too large for API
- Analysis: WebRTC is P2P (videos don't go through server), API only needs small payloads
- Required Fix:
```
client_max_body_size 10M;  # Reduced from 500M
location /api { client_max_body_size 1M; }
location /socket.io { client_max_body_size 64k; }
```
- Priority: Prevent DoS attacks

⏳ SOCKET.IO CORS CONFIGURATION

Severity: MEDIUM (6/10)
File: backend/src/socket/index.js:21
Issue: CORS_ORIGIN is comma-separated string, Socket.IO expects array

Required Fix:

const allowedOrigins = process.env.CORS_ORIGIN
  ? process.env.CORS_ORIGIN.split(',').map(o => o.trim())
  : ['http://localhost:8080'];
io = new Server(httpServer, { cors: { origin: allowedOrigins } });

Priority: Important for multi-origin deployments

🟡 MEDIUM PRIORITY RECOMMENDATIONS (Next Sprint)

Status: 🔄 Implement in security hardening sprint

🔄 BCRYPT COST FACTOR TOO LOW
- Severity: MEDIUM (3/10)
- File: backend/src/utils/auth.js:7
- Issue: bcrypt.genSalt(10) - Cost 10 was standard in 2010, OWASP recommends 12+
- Recommendation:
```
const BCRYPT_ROUNDS = parseInt(process.env.BCRYPT_ROUNDS) || 12;
const salt = await bcrypt.genSalt(BCRYPT_ROUNDS);
```
- Trade-off: 4x slower hashing (400ms vs 100ms), negligible UX impact
- Priority: Next security update
🔄 ACCOUNT LOCKOUT USER ENUMERATION
- Severity: MEDIUM (2/10)
- File: backend/src/controllers/auth.js:108-134
- Issue: Different responses reveal if account exists (401 vs 423)
- Recommendation: Use same error message for locked/non-existent accounts
- Priority: Optional - low practical risk
🔄 WEAK SESSION TIMEOUT
- Severity: MEDIUM (4/10)
- File: backend/src/utils/auth.js
- Issue: 24-hour JWT tokens cannot be revoked, too long for stolen tokens
- Recommendation: Implement refresh token pattern (15min access + 7day refresh)
- Priority: Before scaling, acceptable for MVP
🔄 NO RATE LIMITING ON SOCKET.IO EVENTS
- Severity: MEDIUM (4/10)
- File: backend/src/socket/index.js
- Issue: Socket.IO events (messages, signaling) have no rate limiting
- Recommendation: Implement per-socket rate limiter (30 messages/minute)
- Priority: Before public launch to prevent spam
🔄 MISSING INPUT SANITIZATION ON CHAT MESSAGES
- Severity: MEDIUM (4/10)
- File: backend/src/socket/index.js:212-268
- Issue: Chat message content not sanitized before database save
- Recommendation:
```
const sanitizedContent = sanitizeHtml(content).slice(0, 2000);
```

Note: DOMPurify utility exists in utils/sanitize.js but not used for chat
Priority: Before launch (XSS prevention)

🟢 LOW PRIORITY IMPROVEMENTS (Future Hardening)

Status: 📝 Optional enhancements

📝 PostgreSQL Connection Security
- Issue: Dev database exposes port 5432 to host
- Recommendation: Restrict to localhost or use pgAdmin in Docker
- Status: Acceptable for development
📝 Docker Container Running as Root
- File: backend/Dockerfile.prod
- Issue: Container doesn't specify non-root user
- Recommendation: Add USER nodejs directive
- Priority: Best practice, limited impact in containers
📝 Missing Security Logging
- Issue: Security events not systematically logged (login failures, lockouts, token failures)
- Recommendation: Implement structured security logging
- Priority: Useful for monitoring, not blocking
📝 Token Verification Timing Attack
- Severity: LOW (2/10)
- File: backend/src/controllers/auth.js:305-309
- Issue: 6-digit verification code comparison not timing-safe
- Note: timingSafeEqual utility exists, just not used here
- Priority: Optional - codes expire in 24h with rate limiting

✅ POSITIVE SECURITY FINDINGS

Excellent practices already implemented:

✅ Strong Authentication: JWT, bcrypt, email verification, password reset
✅ Comprehensive Input Validation: express-validator throughout
✅ Security Headers: Helmet.js with CSP, XSS protection, HSTS, noSniff
✅ Rate Limiting: Multiple limiters (API, auth, email)
✅ CORS Configuration: Proper origin validation
✅ Authorization: Socket.IO auth middleware, WebRTC signaling authorization
✅ Database Security: Prisma ORM prevents SQL injection
✅ Error Handling: Generic messages in production, no stack traces
✅ Account Lockout: Implemented after failed attempts
✅ Defense in Depth: Multiple security layers
✅ WebRTC P2P: Videos don't touch server (privacy + security)
✅ Test Coverage: 286/286 tests passing (73% coverage)

📋 SECURITY DEPLOYMENT CHECKLIST

Pre-Deployment (MUST COMPLETE):

CRITICAL: Rotate AWS credentials and remove from Git history
CRITICAL: Generate strong JWT_SECRET (64+ bytes)
CRITICAL: Set strong PostgreSQL password (no fallback)
CRITICAL: Remove .env files from Git tracking
HIGH: Configure HTTPS/TLS with valid certificate
HIGH: Add nginx security headers
HIGH: Fix npm audit vulnerabilities
HIGH: Reduce nginx body size limit (500M → 10M)
MEDIUM: Update Socket.IO CORS to handle array
MEDIUM: Implement Socket.IO rate limiting

Post-Deployment (First 30 Days):

Monitor security logs for unusual patterns
Test account lockout mechanism
Verify HTTPS enforcement
Test CSRF protection
Review and rotate credentials on schedule

Ongoing Maintenance:

Monthly: npm audit and dependency updates
Quarterly: Rotate JWT_SECRET (requires re-auth)
Yearly: Security penetration testing

📊 RISK ASSESSMENT SUMMARY

Vulnerability	Likelihood	Impact	Risk Score	Status
AWS Credentials Exposed	VERY HIGH	CRITICAL	10/10	❌ MUST FIX
Weak JWT Secret	HIGH	CRITICAL	9/10	❌ MUST FIX
Default DB Password	MEDIUM	CRITICAL	8/10	❌ MUST FIX
Missing HTTPS	HIGH	HIGH	8/10	⏳ MUST FIX
Missing nginx Headers	MEDIUM	HIGH	6/10	⏳ Should Fix
Excessive Body Size	LOW	MEDIUM	4/10	⏳ Should Fix

Overall Assessment: Application is 95% production-ready from security perspective. The remaining 5% are critical blockers requiring 1-2 days to fix.

🔗 FULL AUDIT REPORT

For complete details including:

Specific code examples for each fix
Configuration templates
OWASP Top 10 coverage analysis
Compliance notes (GDPR)
Detailed architecture recommendations

See the complete security audit report generated by nodejs-security-auditor agent (available in conversation history).

📋 FUTURE UX/UI IMPROVEMENTS

Dashboard Page - ✅ CORE COMPLETED (2025-11-21):

✅ /dashboard route as default landing page after login
✅ Active events with quick access to chats
✅ Active matches with video/rating status
✅ Match requests (incoming/outgoing)
✅ Online count per event (real-time)
✅ Unread count per match
✅ Toast notifications for match events
✅ Loading skeletons
✅ Rate Partner button
⏳ Activity Feed (timeline of all user activities) - Optional Phase 4
⏳ User statistics (total matches, average rating, events attended) - Optional Phase 4
⏳ Smart sort order (unread first, pending ratings, recent) - Optional Phase 4

Event Chat Sidebar Enhancements:

Add competitor number display for each user in sidebar
Show user nationality (flag + country code)
Expand user info cards in sidebar:
- Competition heats (already implemented)
- Competitor number
- Country/nationality
- User role/level
- Years of experience (if available in profile)
- Average rating (if rated)
Consider expandable user cards (click to see more details)
Add filtering options:
- By nationality
- By division/level
- By competitor number range
Improve mobile responsiveness for extended sidebar info

✅ Completed

Phase 0: Frontend mockup with all views
Phase 1: Backend Foundation
- Node.js + Express API
- PostgreSQL database with Prisma ORM
- JWT authentication (register, login)
- Socket.IO real-time chat (event & match rooms)
- Comprehensive test coverage (81%+)
Phase 1.5: Email & WSDC & Profiles & Security
- Email verification (AWS SES with link + PIN)
- Password reset workflow
- WSDC API integration (auto-fill registration)
- User profiles (social media links, location)
- Public profiles (/{username})
- Event participation tracking (auto-save joined events)
- Event security (unique slugs, prevent ID enumeration)
- QR code event check-in system (physical presence required at venue)
Phase 1.6: Competition Heats System
- Database schema (divisions, competition_types, event_user_heats)
- Backend API (CRUD operations, validation)
- Frontend components (HeatsBanner, forms, badges)
Phase 2: Matches & Ratings API
- Match requests with CUID slugs
- Real-time match notifications
- Ratings system (1-5 stars, comments, preferences)
- Public profile ratings display
- Profile links from chat/matches
- Message history persistence
- Duplicate rating prevention
Dashboard Implementation (2025-11-21)
- Centralized dashboard as default landing page
- Active events with heats, participants, online count
- Active matches with video/rating status, unread count
- Match requests (incoming/outgoing) management
- Toast notifications, loading skeletons
- Socket stability improvements (heartbeat, auto-reconnect)
Competitor Number (Bib) Support (2025-11-22)
- New competitorNumber field in EventParticipant model
- Migration: 20251121210620_add_competitor_number
- Display competitor numbers in event UI
- Used by auto-matching system to identify dancers
Recording Matching System (2025-11-22)
- Auto-matching algorithm for recording partners (backend/src/services/matching.js)
- RecordingSuggestion model for storing match suggestions
- Schedule config for division collision groups (divisions in same slot collide)
- Heat buffer calculation (1 heat after dancing before can record)
- Location-based preference scoring (same city > same country > anyone)
- Max recordings per person limit (3)
- Frontend RecordingTab component with suggestions UI
- API endpoints for running matching and managing suggestions
Frontend Refactoring (2025-11-23)
- Extracted DashboardPage into components (DashboardHeader, EventCard, MatchCard, MatchRequestCard)
- Extracted EventDetailsPage into components
- Extracted ProfilePage into ProfileForm and PasswordChangeForm
- Extracted MatchCard component from MatchesPage
- Added status constants (MATCH_STATUS, SUGGESTION_STATUS, CONNECTION_STATE, SUGGESTION_TYPE)
- Backend constants module (backend/src/constants/)

See: docs/archive/COMPLETED.md for full list of completed tasks

📌 Phase 1: Backend Foundation - ✅ COMPLETED

Completed: 2025-11-12 Time Spent: ~14 hours

✅ Step 1: Backend Setup (COMPLETED)

Add backend service to docker-compose.yml
Initialize Node.js + Express project
Create folder structure (routes, controllers, middleware, etc.)
Add healthcheck endpoint: GET /api/health
Update nginx config to proxy /api/* to backend
Unit tests (7 tests passing)

✅ Step 2: PostgreSQL Setup (COMPLETED)

Add db service (PostgreSQL 15) to docker-compose.yml
Configure volumes for data persistence
Prisma ORM implementation
Create database schema (6 tables with relations)
Add indexes for performance
Create seed data (3 events, 2 users, chat rooms)
Fix OpenSSL compatibility issue for Prisma

✅ Step 3: Authentication API (COMPLETED)

Install dependencies: bcrypt, jsonwebtoken, express-validator
Implement password hashing with bcrypt (10 salt rounds)
Implement JWT token generation and verification
Create endpoints: register, login, /users/me
Create auth middleware for protected routes
Update frontend AuthContext to use real API
Unit tests (30 tests, 78%+ coverage)

✅ Step 4: WebSocket Chat (COMPLETED)

Install Socket.IO 4.8.1 on backend
Setup Socket.IO server with Express integration
JWT authentication for socket connections
Event rooms (join/leave/messages/active users)
Match rooms (private 1:1 chat)
Install socket.io-client on frontend
Update EventChatPage with real-time messaging
Update MatchChatPage with real-time chat
Unit tests (12 tests, 89% coverage for Socket.IO module)

📌 Phase 1.6: Competition Heats System - ✅ COMPLETED

Completed: 2025-11-14 Time Spent: ~8 hours Status: Fully implemented and tested

Business Logic Summary

Users must declare their competition heats before matchmaking
One user can compete in multiple divisions/heats (e.g., J&J Novice + Strictly Advanced)
Constraint: Cannot compete in same role in same division+competition type (e.g., cannot have "J&J Novice Leader" twice)
Role is optional (can be NULL = undeclared)
Heat numbers: 1-9
Format example: "J&J NOV 1 L" (Jack & Jill, Novice, Heat 1, Leader)

Step 1: Database Schema - ✅ COMPLETED

Create migration for 3 new tables:
- divisions - Pre-defined competition divisions
  - Columns: id, name (varchar), abbreviation (varchar 3), display_order (int)
  - Seed data: Newcomer (NEW), Novice (NOV), Intermediate (INT), Advanced (ADV), All-Star (ALL), Champion (CHA)
- competition_types - Pre-defined competition types
  - Columns: id, name (varchar), abbreviation (varchar 3)
  - Seed data: Jack & Jill (J&J), Strictly (STR)
- event_user_heats - User's declared heats for event
  - Columns: id, user_id, event_id, division_id, competition_type_id, heat_number (1-9), role (enum: Leader/Follower/NULL), created_at, updated_at
  - UNIQUE constraint: (user_id, event_id, division_id, competition_type_id, role)
  - Foreign keys: user_id → users.id, event_id → events.id, division_id → divisions.id, competition_type_id → competition_types.id
  - Indexes: (user_id, event_id), (event_id)
Update Prisma schema
Run migration
Verify seed data

Step 2: Backend API - ✅ COMPLETED

Create routes and controllers:
- GET /api/divisions - List all divisions (public)
- GET /api/competition-types - List all competition types (public)
- POST /api/events/:slug/heats - Add/update user's heats (authenticated)
  - Input: array of { divisionId, competitionTypeId, heatNumber, role? }
  - Validation: unique constraint, heat number 1-9
  - Replace all existing heats (upsert pattern)
- GET /api/events/:slug/heats/me - Get current user's heats (authenticated)
- GET /api/events/:slug/heats/all - Get all users' heats for sidebar (authenticated)
  - Returns: userId, username, avatar, heats[]
- DELETE /api/events/:slug/heats/:id - Delete specific heat (authenticated)
Validation middleware:
- Heat number 1-9
- Role enum (Leader/Follower/NULL)
- Unique constraint enforcement
- User must be event participant
Unit tests (CRUD operations, validation, constraints)

Step 3: Socket.IO Events - ✅ COMPLETED

Add event: heats_updated - Broadcast when user updates heats
- Payload: { userId, username, heats[] }
- Send to all users in event room
Update active_users event to include heats data

Step 4: Frontend Components - ✅ COMPLETED

Create HeatsBanner component (sticky between header and chat) - ✅ DONE
- Show only if user has no heats declared
- Form with dynamic heat entries (add/remove)
- Fields per entry: Competition Type (select), Division (select), Heat Number (1-9), Role (optional: Leader/Follower)
- "Save Heats" button → POST /api/events/:slug/heats
- On save success: hide banner, show success message
Basic heats display in EventChatPage (⏳ Enhanced UI features remain for Phase 4)
Create frontend API methods in services/api.js - ✅ DONE
- divisionsAPI.getAll()
- competitionTypesAPI.getAll()
- heatsAPI.saveHeats(slug, heats[])
- heatsAPI.getMyHeats(slug)
- heatsAPI.getAllHeats(slug)
- heatsAPI.deleteHeat(slug, heatId)
Socket.IO integration - Basic support implemented

Step 4.1: EventChatPage Integration - ⏳ OPTIONAL ENHANCEMENTS (Phase 4)

What needs to be done:

Add state management for heats:

const [myHeats, setMyHeats] = useState([]);
const [userHeats, setUserHeats] = useState(new Map()); // userId → heats[]
const [showHeatsBanner, setShowHeatsBanner] = useState(false);
const [hideMyHeats, setHideMyHeats] = useState(false);
const [showHeatsModal, setShowHeatsModal] = useState(false);

Load heats on component mount:

useEffect(() => {
  const loadHeats = async () => {
    const [myHeatsData, allHeatsData] = await Promise.all([
      heatsAPI.getMyHeats(slug),
      heatsAPI.getAllHeats(slug),
    ]);
    setMyHeats(myHeatsData);
    setShowHeatsBanner(myHeatsData.length === 0);

    // Map userHeats
    const heatsMap = new Map();
    allHeatsData.forEach(userHeat => {
      heatsMap.set(userHeat.userId, userHeat.heats);
    });
    setUserHeats(heatsMap);
  };
  loadHeats();
}, [slug]);

Add HeatsBanner before chat:

{showHeatsBanner && (
  <HeatsBanner
    slug={slug}
    onSave={() => {
      setShowHeatsBanner(false);
      // Reload heats
    }}
  />
)}

Add "Edit Heats" button in header (next to "Leave Event"):

<button
  onClick={() => setShowHeatsModal(true)}
  className="flex items-center gap-2 px-4 py-2 border border-gray-300 rounded-lg hover:bg-gray-50"
>
  <Edit size={16} />
  Edit Heats
</button>

Create modal for editing heats (reuse HeatsBanner logic)

Add heat badges to sidebar under username:

{activeUsers.map(activeUser => {
  const userHeatsForThisUser = userHeats.get(activeUser.userId) || [];
  const hasHeats = userHeatsForThisUser.length > 0;

  return (
    <div key={activeUser.userId}>
      <div className="flex items-center">
        <img src={activeUser.avatar} />
        <span>{activeUser.username}</span>
      </div>

      {/* Heat badges */}
      <div className="flex flex-wrap gap-1 mt-1">
        {userHeatsForThisUser.slice(0, 3).map(heat => (
          <span key={heat.id} className="text-xs px-2 py-0.5 bg-blue-100 text-blue-700 rounded">
            {heat.competitionType.abbreviation} {heat.division.abbreviation} {heat.heatNumber}
            {heat.role && ` ${heat.role[0]}`}
          </span>
        ))}
        {userHeatsForThisUser.length > 3 && (
          <span className="text-xs px-2 py-0.5 bg-gray-100 text-gray-600 rounded">
            +{userHeatsForThisUser.length - 3}
          </span>
        )}
      </div>

      {/* UserPlus button - disabled if no heats */}
      <button
        onClick={() => handleMatchWith(activeUser.userId)}
        disabled={!hasHeats}
        className="p-1 text-primary-600 hover:bg-primary-50 rounded disabled:opacity-30 disabled:cursor-not-allowed"
      >
        <UserPlus className="w-4 h-4" />
      </button>
    </div>
  );
})}

Add filter checkbox above active users:

<label className="flex items-center gap-2 text-sm text-gray-700 mb-2">
  <input
    type="checkbox"
    checked={hideMyHeats}
    onChange={(e) => setHideMyHeats(e.target.checked)}
    className="rounded border-gray-300"
  />
  Hide users from my heats
</label>

Filter logic:

const filteredUsers = hideMyHeats
  ? activeUsers.filter(activeUser => {
      const theirHeats = userHeats.get(activeUser.userId) || [];
      return !theirHeats.some(theirHeat =>
        myHeats.some(myHeat =>
          myHeat.divisionId === theirHeat.divisionId &&
          myHeat.competitionTypeId === theirHeat.competitionTypeId &&
          myHeat.heatNumber === theirHeat.heatNumber
        )
      );
    })
  : activeUsers;

Socket.IO heats_updated listener:

useEffect(() => {
  const socket = getSocket();
  if (!socket) return;

  socket.on('heats_updated', ({ userId, username, heats }) => {
    setUserHeats(prev => {
      const newMap = new Map(prev);
      newMap.set(userId, heats);
      return newMap;
    });

    // If it's current user, update myHeats
    if (userId === user.id) {
      setMyHeats(heats);
      setShowHeatsBanner(heats.length === 0);
    }
  });

  return () => {
    socket.off('heats_updated');
  };
}, [user.id]);

Step 5: Styling & UX - ✅ BASIC COMPLETE

Heat badges design
Banner responsive design (mobile + desktop)
Loading states for heat operations
Error handling & validation messages

Step 6: Testing & Edge Cases - ✅ COMPLETED

Test unique constraint violation (frontend + backend)
Backend unit tests for heats API
Test role optional (NULL) handling

Technical Notes

Abbreviations:
- Divisions: NEW, NOV, INT, ADV, ALL, CHA
- Competition Types: J&J, STR
- Roles: L (Leader), F (Follower), empty (NULL)
Display format: "{CompType} {Div} {Heat} {Role?}" → "J&J NOV 1 L"
Future enhancement: When Matches API is implemented, editing heats with active match requires partner confirmation

📌 Phase 2.5: WebRTC P2P File Transfer - ✅ COMPLETED

Completed: 2025-11-15 Time Spent: ~10 hours

Step 1: WebRTC Signaling - ✅ COMPLETED

Socket.IO signaling events (offer, answer, ICE candidates)
Frontend WebRTC setup (RTCPeerConnection)
STUN server configuration
Connection state monitoring
Unit tests (7 backend tests passing)

Step 2: WebRTC File Transfer - ✅ COMPLETED

RTCDataChannel setup (ordered, reliable)
File metadata exchange
File chunking (16KB chunks)
Progress monitoring (sender & receiver)
Error handling & reconnection
Complete P2P video transfer flow
Tested up to 700MB files
Fallback: Link sharing UI

🎯 Future Phases (Reference)

Phase 3: MVP Finalization - ✅ COMPLETED

✅ Security hardening:
- Rate limiting (express-rate-limit) ✅
- Input validation & sanitization ✅
- CORS configuration ✅
- SQL injection prevention ✅
- XSS protection ✅
- CSRF protection ✅
- Account lockout ✅
✅ Testing:
- Integration tests (API endpoints) ✅
- WebRTC connection tests ✅
- 286/286 tests passing (100%) ✅
- 73% code coverage ✅
✅ PWA features:
- Web app manifest ✅
- Service worker (offline support) ✅
- App icons & splash screens ✅
- Install prompt ✅
- iOS support ✅
✅ Deployment preparation:
- Production Docker images (Dockerfile.prod) ✅
- Environment configuration (.env.production) ✅
- Database backup scripts ✅
- Health check scripts ✅
- Monitoring documentation ✅
- Docker compose profiles (dev/prod) ✅

Note: E2E tests (Playwright/Cypress) and CI/CD pipeline are optional enhancements for Phase 4.

Phase 5: Optional Extensions

User badges & trust system
Block users
Public profiles
Push notifications
Video compression
Multi-file transfer

📝 Active Development Tasks

Documentation

✅ README.md
✅ docs/QUICKSTART.md
✅ docs/CONTEXT.md
✅ docs/TODO.md
✅ docs/SESSION_CONTEXT.md
✅ docs/ARCHITECTURE.md
✅ docs/DEPLOYMENT.md
✅ docs/MONITORING.md
✅ docs/archive/COMPLETED.md
✅ docs/archive/RESOURCES.md
⏳ API documentation (Swagger/OpenAPI) - after backend
⏳ Architecture diagrams - after backend
⏳ WebRTC flow diagram - after WebRTC implementation

Infrastructure

✅ Docker Compose (nginx, frontend, backend, db)
✅ Production Dockerfiles (Dockerfile.prod for frontend & backend)
✅ Docker Compose profiles (dev/prod)
✅ Production environment configuration
✅ Operations scripts (backup, restore, health-check)
⏳ CI/CD pipeline (GitHub Actions) - Optional
⏳ HTTPS setup (Let's Encrypt) - Requires server

Testing

✅ Backend tests (Jest + Supertest) - 286/286 passing, 73% coverage
✅ WebRTC tests - 7 backend tests passing
✅ Socket.IO tests - Complete coverage
✅ Security tests (CSRF, rate limiting, auth)
⏳ Frontend tests (Vitest + React Testing Library) - Optional
⏳ E2E tests (Playwright / Cypress) - Optional

🚀 Quick Commands

Start development:

docker compose up --build

Rebuild after changes:

docker compose down && docker compose up --build

Access:

Frontend: http://localhost:8080
Backend (future): http://localhost:8080/api

Git workflow:

git status
git add .
git commit -m "feat: description"

📊 Progress Tracking

Phase	Status	Progress	Time Spent
Phase 0: Frontend Mockup	✅ Done	100%	~8h
Phase 1: Backend Foundation	✅ Done	100%	~14h
Phase 1.5: Email & WSDC & Profiles	✅ Done	100%	~12h
Phase 1.6: Competition Heats	✅ Done	100%	~8h
Phase 2: Matches & Ratings API	✅ Done	100%	~10h
Phase 2.5: WebRTC Implementation	✅ Done	100%	~10h
Phase 3: MVP Finalization	✅ Done	100%	~20h
Total MVP	✅ Complete	100%	~82h
Phase 4: Extensions	⏳ Optional	-	TBD

Overall MVP Progress: 100% ✅ Ready for production deployment

📝 Notes

✅ All MVP features implemented and tested
✅ 286/286 backend tests passing (73% coverage)
✅ Production deployment ready (Docker configs, scripts, monitoring)
✅ Security hardened (CSRF, rate limiting, account lockout)
✅ PWA enabled (offline support, iOS compatible)
🚀 Ready for production deployment (requires infrastructure setup)

For detailed task history: See docs/archive/COMPLETED.md For learning resources: See docs/archive/RESOURCES.md For quick session context: See docs/SESSION_CONTEXT.md For technical details: See docs/ARCHITECTURE.md

Last Updated: 2025-11-23

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