chore: release v1.5.0

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>

lib/shared/widgets/weather_widget.dart

@@ -1,16 +1,22 @@
 import 'package:flutter/material.dart';
+import 'package:tatlock_ui/features/front_hall/data/models/environment_model.dart'
+    as api;
 
 /// Weather widget displaying current conditions.
 ///
-/// Currently uses mock data. Will be connected to weather API in future.
+/// Displays weather data from the Core API environment endpoint.
 class WeatherWidget extends StatelessWidget {
   const WeatherWidget({
     super.key,
+    this.apiData,
     this.data,
     this.compact = false,
   });
 
-  /// Weather data to display. Uses mock data if null.
+  /// Weather data from API. Takes priority over legacy data.
+  final api.WeatherData? apiData;
+
+  /// Legacy weather data to display. Uses mock data if null.
   final WeatherData? data;
 
   /// Whether to use compact layout.
@@ -19,7 +25,11 @@ class WeatherWidget extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final colorScheme = Theme.of(context).colorScheme;
-    final weather = data ?? WeatherData.mock();
+
+    // Convert API data to local model, or use legacy data
+    final weather = apiData != null
+        ? _fromApiData(apiData!)
+        : (data ?? WeatherData.mock());
 
     if (compact) {
       return _buildCompact(context, colorScheme, weather);
@@ -206,6 +216,60 @@ class _DetailChip extends StatelessWidget {
   }
 }
 
+/// Converts API weather data to local WeatherData model.
+WeatherData _fromApiData(api.WeatherData data) {
+  return WeatherData(
+    location: data.location ?? 'Unknown',
+    temperature: data.temperature ?? 0,
+    condition: data.conditions ?? 'Unknown',
+    icon: _getWeatherIcon(data.conditions, data.icon),
+    humidity: data.humidity,
+    windSpeed: data.windSpeed,
+    feelsLike: data.feelsLike,
+    iconColor: _getWeatherColor(data.conditions),
+  );
+}
+
+/// Maps weather condition to icon.
+IconData _getWeatherIcon(String? conditions, String? iconCode) {
+  final condition = conditions?.toLowerCase() ?? '';
+
+  if (condition.contains('clear') || condition.contains('sunny')) {
+    return Icons.wb_sunny;
+  } else if (condition.contains('cloud') || condition.contains('overcast')) {
+    return Icons.cloud;
+  } else if (condition.contains('rain') || condition.contains('drizzle')) {
+    return Icons.grain;
+  } else if (condition.contains('storm') || condition.contains('thunder')) {
+    return Icons.thunderstorm;
+  } else if (condition.contains('snow') || condition.contains('sleet')) {
+    return Icons.ac_unit;
+  } else if (condition.contains('fog') || condition.contains('mist')) {
+    return Icons.blur_on;
+  } else if (condition.contains('wind')) {
+    return Icons.air;
+  }
+  return Icons.cloud;
+}
+
+/// Maps weather condition to color.
+Color? _getWeatherColor(String? conditions) {
+  final condition = conditions?.toLowerCase() ?? '';
+
+  if (condition.contains('clear') || condition.contains('sunny')) {
+    return Colors.amber;
+  } else if (condition.contains('cloud')) {
+    return Colors.blueGrey;
+  } else if (condition.contains('rain')) {
+    return Colors.blue;
+  } else if (condition.contains('storm')) {
+    return Colors.deepPurple;
+  } else if (condition.contains('snow')) {
+    return Colors.lightBlue;
+  }
+  return null;
+}
+
 /// Temperature unit for weather display.
 enum TemperatureUnit {
   celsius('C'),