Initial commit: Fixes for linting and compilation

test/cycle_service_test.dart

@@ -0,0 +1,72 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:christian_period_tracker/services/cycle_service.dart';
+import 'package:christian_period_tracker/models/user_profile.dart';
+import 'package:christian_period_tracker/models/cycle_entry.dart';
+
+void main() {
+  group('CycleService Tests', () {
+    test('calculateCycleInfo returns follicular phase for null profile', () {
+      final info = CycleService.calculateCycleInfo(null);
+      expect(info['phase'], CyclePhase.follicular);
+      expect(info['dayOfCycle'], 1);
+    });
+
+    test('calculateCycleInfo calculates follicular phase correctly (Day 7)', () {
+      final now = DateTime.now();
+      final lastPeriod = now.subtract(const Duration(days: 6)); // Today is Day 7
+      final user = UserProfile(
+        id: '1',
+        name: 'Test',
+        role: UserRole.wife,
+        relationshipStatus: RelationshipStatus.married,
+        averageCycleLength: 28,
+        lastPeriodStartDate: lastPeriod,
+        createdAt: now,
+        updatedAt: now,
+      );
+
+      final info = CycleService.calculateCycleInfo(user);
+      expect(info['dayOfCycle'], 7);
+      expect(info['phase'], CyclePhase.follicular);
+    });
+
+    test('calculateCycleInfo calculates menstrual phase correctly (Day 2)', () {
+      final now = DateTime.now();
+      final lastPeriod = now.subtract(const Duration(days: 1)); // Today is Day 2
+      final user = UserProfile(
+        id: '1',
+        name: 'Test',
+        role: UserRole.wife,
+        relationshipStatus: RelationshipStatus.married,
+        averageCycleLength: 28,
+        lastPeriodStartDate: lastPeriod,
+        createdAt: now,
+        updatedAt: now,
+      );
+
+      final info = CycleService.calculateCycleInfo(user);
+      expect(info['dayOfCycle'], 2);
+      expect(info['phase'], CyclePhase.menstrual);
+    });
+
+    test('calculateCycleInfo handles cycle length wrapping', () {
+      final now = DateTime.now();
+      // Last period was 30 days ago, cycle is 28 days -> Today is Day 3 of next cycle
+      final lastPeriod = now.subtract(const Duration(days: 30)); 
+      final user = UserProfile(
+        id: '1',
+        name: 'Test',
+        role: UserRole.wife,
+        relationshipStatus: RelationshipStatus.married,
+        averageCycleLength: 28,
+        lastPeriodStartDate: lastPeriod,
+        createdAt: now,
+        updatedAt: now,
+      );
+
+      final info = CycleService.calculateCycleInfo(user);
+      expect(info['dayOfCycle'], 3);
+      expect(info['phase'], CyclePhase.menstrual);
+    });
+  });
+}

test/widget_test.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:christian_period_tracker/main.dart';
+
+void main() {
+  testWidgets('App loads correctly', (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    // Note: This is a placeholder test - integration tests require Hive initialization
+    expect(true, isTrue);
+  });
+}