v0.4.2

WebSocket Foundation & Batch API Optimization

Added

• WebSocket Foundation: User and Market channel subscriptions
• Batch Pricing: get_multiple_market_prices for efficient midpoint fetching
• Position Adoption: Startup sync detects untracked exchange positions
• Settlement Audit: Automated verification against closed-positions API

Changed

• Startup Logic: Enhanced position sync with market resolution verification
• Error Handling: Suppressed 404/Not Found during market transitions

Fixed

• API Rate Limiting: Reduced calls via batch operations
• Position Sync: String-based ID comparison for Data API