Added #

• Optional RR intervals output (rr_ms) added to WearMetrics (top-level field)
• iOS HealthKit heartbeat series (RR) integration via lightweight plugin
• Example app now displays RR intervals (first few values) in Live Data

Changed #

• Apple adapter attempts heartbeat-series fetch with extended 30-minute window
• iOS deployment target for plugin set to 13.0 to support heartbeat series

Notes #

• RR availability depends on Health permissions and recent Apple Watch heartbeat series samples
• Falls back gracefully when RR is not available

Fixed #

• Fixed data freshness validation in Normalizer class
• Added _isDataFresh() method to filter out stale data based on maxDataAge configuration
• Data older than the configured maxDataAge (default 12 hours) is now properly excluded from normalization

Added #

• Initial release of synheart_wear package
• Apple HealthKit integration for iOS
• Support for multiple health metrics: heart rate (HR), heart rate variability (HRV), steps, calories
• Real-time data streaming capabilities
• Local encrypted caching for offline data persistence
• Unified data schema following the Synheart RFC specification
• Permission management system
• Data normalization engine for multi-device support
• Example Flutter app demonstrating SDK usage

Features #

• Cross-platform support (iOS and Android)
• Real-time HR and HRV streaming
• Consent-based data access
• AES-256-CBC encryption for local storage
• Automatic data quality validation
• Support for both RMSSD and SDNN HRV metrics

Platform Support #

• iOS: Full support via HealthKit integration
• Android: Under development