feat: add dynamic environment widgets Add live weather, sun position, and forecast widgets to Front Hall dashboard, powered by data from the Qdrant volatile collection via core-api. New widgets: - SunPositionWidget: Animated arc showing sun/moon position with gradient colors - ForecastWidget: Multi-day weather outlook - Updated WeatherWidget and AirQualityWidget to accept API data Infrastructure: - Environment datasource calling GET /tools/environment - Environment provider with 5-minute auto-refresh - Freezed models for environment data Tests: - 12 widget tests for environment section - Updated existing tests with givenEnvironment() harness method 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>