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>

test/harness/fixtures.dart

@@ -318,4 +318,93 @@ class Fixtures {
 
   static Map<String, dynamic> quickLink(int index) =>
       Map<String, dynamic>.from(quickLinks[index]);
+
+  // ============================================================
+  // Environment Data
+  // ============================================================
+
+  static const environment = {
+    'weather': {
+      'temperature': 8.5,
+      'feels_like': 5.0,
+      'conditions': 'Partly Cloudy',
+      'humidity': 72,
+      'wind_speed': 18.5,
+      'wind_direction': 'SW',
+      'location': 'Rotterdam, NL',
+      'icon': '03d',
+    },
+    'forecast': [
+      {
+        'date': '2026-01-06',
+        'high': 10.0,
+        'low': 4.0,
+        'conditions': 'Cloudy',
+        'precipitation_chance': 20,
+      },
+      {
+        'date': '2026-01-07',
+        'high': 12.0,
+        'low': 5.0,
+        'conditions': 'Partly Cloudy',
+        'precipitation_chance': 10,
+      },
+      {
+        'date': '2026-01-08',
+        'high': 9.0,
+        'low': 3.0,
+        'conditions': 'Rain',
+        'precipitation_chance': 80,
+      },
+      {
+        'date': '2026-01-09',
+        'high': 11.0,
+        'low': 6.0,
+        'conditions': 'Sunny',
+        'precipitation_chance': 0,
+      },
+    ],
+    'sun_times': {
+      'sunrise': '2026-01-06T08:45:00Z',
+      'sunset': '2026-01-06T16:50:00Z',
+      'daylight_minutes': 485,
+      'solar_noon': '2026-01-06T12:47:30Z',
+    },
+    'air_quality': {
+      'aqi': 42,
+      'quality': 'Good',
+      'pm25': 8.5,
+      'pm10': 15.0,
+      'o3': 32.0,
+    },
+    'updated_at': '2026-01-06T10:30:00Z',
+    'user': 'default',
+  };
+
+  /// Environment data without air quality (for conditional rendering test).
+  static const environmentNoAirQuality = {
+    'weather': {
+      'temperature': 8.5,
+      'conditions': 'Partly Cloudy',
+      'humidity': 72,
+      'wind_speed': 18.5,
+      'location': 'Rotterdam, NL',
+    },
+    'forecast': [
+      {
+        'date': '2026-01-06',
+        'high': 10.0,
+        'low': 4.0,
+        'conditions': 'Cloudy',
+      },
+    ],
+    'sun_times': {
+      'sunrise': '2026-01-06T08:45:00Z',
+      'sunset': '2026-01-06T16:50:00Z',
+      'daylight_minutes': 485,
+    },
+    'air_quality': null,
+    'updated_at': '2026-01-06T10:30:00Z',
+    'user': 'default',
+  };
 }

test/harness/test_harness.dart

@@ -172,6 +172,16 @@ class TestHarness {
     api.whenGet('/tools/system/stats', stats ?? Fixtures.systemStats);
   }
 
+  /// Set up mock environment response.
+  void givenEnvironment([Map<String, dynamic>? environment]) {
+    api.whenGet('/tools/environment', environment ?? Fixtures.environment);
+  }
+
+  /// Set up mock environment response without air quality.
+  void givenEnvironmentNoAirQuality() {
+    api.whenGet('/tools/environment', Fixtures.environmentNoAirQuality);
+  }
+
   /// Set up theme mode.
   void givenThemeMode(ThemeMode mode) {
     _themeMode = mode;