feat: major feature updates and cleanup

- Add Redis architecture implementation
- Update browser extension functionality
- Clean up deprecated files and documentation
- Enhance backend handlers for auth, messages, search
- Add new configuration options and settings
- Update Docker and deployment configurations

.env.example

@@ -21,13 +21,17 @@ POSTGRES_USER=trackeep
 POSTGRES_PASSWORD=your_secure_password_here
 
 # JWT Configuration
-# JWT_SECRET is auto-generated on startup and stored in jwt_secret.key
-# You can override by setting JWT_SECRET environment variable if needed
+# JWT_SECRET is used for both JWT token signing and 2FA backup codes encryption
+# Must be exactly 64 hexadecimal characters (32 bytes when decoded)
+# Generate with: openssl rand -hex 32
+# Or with Node.js: node -e "console.log(require('crypto').randomBytes(32).toString('hex'))"
+# Or with Python: python3 -c "import secrets; print(secrets.token_hex(32))"
+JWT_SECRET=your_jwt_secret_here_64_hex_characters_long_exactly
 JWT_EXPIRES_IN=24h
 
 # Encryption Configuration
-# ENCRYPTION_KEY is auto-generated on startup and stored in encryption.key
-# You can override by setting ENCRYPTION_KEY environment variable if needed
+# Now uses JWT_SECRET for encryption - no separate ENCRYPTION_KEY needed
+# This ensures 2FA backup codes are encrypted with the same key used for JWT tokens
 
 # File Upload Configuration
 UPLOAD_DIR=./uploads
@@ -36,77 +40,69 @@ MAX_FILE_SIZE=10485760
 # CORS Configuration
 CORS_ALLOWED_ORIGINS=*
 
-# AI Services Configuration
-LONGCAT_ON=false
-LONGCAT_API_KEY=your_longcat_api_key_here
-LONGCAT_BASE_URL=https://api.longcat.chat
-LONGCAT_OPENAI_ENDPOINT=https://api.longcat.chat/openai
-LONGCAT_ANTHROPIC_ENDPOINT=https://api.longcat.chat/anthropic
-LONGCAT_MODEL=LongCat-Flash-Chat
-LONGCAT_MODEL_THINKING=LongCat-Flash-Thinking
-LONGCAT_FORMAT=openai
-
-# Mistral AI Configuration
-MISTRAL_ON=false
-MISTRAL_API_KEY=your_mistral_api_key_here
-MISTRAL_MODEL=mistral-small-latest
-MISTRAL_MODEL_THINKING=mistral-large-latest
-
-# Grok AI Configuration
-GROK_ON=false
-GROK_API_KEY=your_grok_api_key_here
-GROK_BASE_URL=https://api.x.ai/v1
-GROK_MODEL=grok-4-1-fast-non-reasoning-latest
-GROK_MODEL_THINKING=grok-4-1-fast-reasoning-latest
-
-# DeepSeek Configuration
-DEEPSEEK_ON=false
-DEEPSEEK_API_KEY=your_deepseek_api_key_here
-DEEPSEEK_BASE_URL=https://api.deepseek.com
-DEEPSEEK_MODEL=deepseek-chat
-DEEPSEEK_MODEL_THINKING=deepseek-reasoner
-
-# Ollama Configuration
-OLLAMA_ON=false
-OLLAMA_BASE_URL=http://localhost:11434
-OLLAMA_MODEL=llama3.1
-OLLAMA_MODEL_THINKING=llama3.1
-
-# OpenRouter Configuration
-OPENROUTER_ON=false
-OPENROUTER_API_KEY=your_openrouter_api_key_here
-OPENROUTER_BASE_URL=https://openrouter.ai/api
-OPENROUTER_MODEL=openrouter/auto
-OPENROUTER_MODEL_THINKING=openrouter/auto
-
 # Demo Mode Configuration
 VITE_DEMO_MODE=false
 
-# Browser Search API Configuration
-BRAVE_API_KEY=your_brave_api_key_here
-BRAVE_SEARCH_BASE_URL=https://api.search.brave.com/res/v1/web/search
-SERPER_API_KEY=your_serper_api_key_here
-SERPER_BASE_URL=https://google.serper.dev/search
-SEARCH_API_PROVIDER=brave # Options: brave, serper, demo
+# AI Services Configuration
+# AI services are now configured only within the Trackeep application
+# No environment variables needed - configure tokens and settings in the app settings
 
-# Search Configuration
-SEARCH_RESULTS_LIMIT=10
-SEARCH_CACHE_TTL=300
-SEARCH_RATE_LIMIT=100
+# =============================================================================
+# REDIS CONFIGURATION (Optional but Recommended)
+# =============================================================================
+# Redis provides caching, session storage, rate limiting, and real-time features
+# Uncomment and configure these to enable Redis support
 
-# Update Configuration
-# Application version (used for update checking)
-APP_VERSION=1.0.0
+# REDIS_ADDR=redis:6379
+# REDIS_PASSWORD=your_secure_redis_password_here
+# REDIS_DB=0
+# REDIS_POOL_SIZE=20
+# REDIS_DIAL_TIMEOUT=5s
+# REDIS_READ_TIMEOUT=3s
+# REDIS_WRITE_TIMEOUT=3s
 
-# OAuth service configuration (REQUIRED)
-# The OAuth service must be running for updates to work
-OAUTH_SERVICE_URL=http://localhost:9090
-JWT_SECRET=your-jwt-secret-key
+# Feature Flags - Enable/disable Redis features
+# REDIS_SESSIONS_ENABLED=true
+# REDIS_CACHE_ENABLED=true
+# REDIS_RATELIMIT_ENABLED=true
+# REDIS_PUBSUB_ENABLED=true
 
-# Update settings
-AUTO_UPDATE_CHECK=false
-UPDATE_CHECK_INTERVAL=24h
-PRERELEASE_UPDATES=false
+# Redis Memory Settings (for Docker Compose)
+# REDIS_MAXMEMORY=256mb
+# REDIS_MAXMEMORY_POLICY=allkeys-lru
 
-# Note: No GitHub token configuration needed
-# Updates use the OAuth service which handles GitHub authentication automatically
+# =============================================================================
+# PERFORMANCE TUNING
+# =============================================================================
+# Enable these settings for better performance with Redis caching
+
+# Cache TTL settings (in seconds)
+# SEARCH_CACHE_TTL=300
+# ANALYTICS_CACHE_TTL=900
+# USER_CACHE_TTL=900
+# SESSION_CACHE_TTL=86400  # 24 hours
+
+# Rate limiting settings
+# RATE_LIMIT_REQUESTS_PER_MINUTE=100
+# RATE_LIMIT_BURST_SIZE=150
+# AI_RATE_LIMIT_REQUESTS_PER_MINUTE=20
+# UPLOAD_RATE_LIMIT_REQUESTS_PER_MINUTE=10
+
+# =============================================================================
+# NOTE: Redis Deployment
+# =============================================================================
+# To deploy with Redis, add the Redis service to your docker-compose.yml:
+#
+#   redis:
+#     image: redis:7-alpine
+#     restart: unless-stopped
+#     volumes:
+#       - redis_data:/data
+#       - ./redis.conf:/usr/local/etc/redis/redis.conf:ro
+#     command: redis-server /usr/local/etc/redis/redis.conf
+#     environment:
+#       - REDIS_PASSWORD=${REDIS_PASSWORD}
+#     networks:
+#       - trackeep-network
+#
+# And add to volumes: redis_data: