Paul Bailey
3d487a468e
feat: implement external API integration with static tide tables (task 32)
- Add in-memory caching for external API responses (6-hour expiration)
- Implement OpenWeatherMap integration for weather data
- Create static tide tables for 22 Irish coastal stations
- Add tide calculation based on semi-diurnal patterns and lunar cycles
- Implement water quality, beach quality, and biodiversity placeholder endpoints
- Add comprehensive API documentation (EXTERNAL_API_SETUP.md)
- Fix frontend WaterQualityIndicator crash
- Remove Redis dependency (using in-memory cache instead)
- All external data endpoints functional and tested