first commit

lib/models/focus_session.dart

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+import 'package:hive/hive.dart';
+
+part 'focus_session.g.dart';
+
+@HiveType(typeId: 0)
+class FocusSession extends HiveObject {
+  @HiveField(0)
+  DateTime startTime;
+
+  @HiveField(1)
+  int durationMinutes;  // Planned duration (e.g., 25)
+
+  @HiveField(2)
+  int actualMinutes;    // Actual time focused (may be less if stopped early)
+
+  @HiveField(3)
+  int distractionCount; // Simplified: just count distractions
+
+  @HiveField(4)
+  bool completed;       // Whether the session was completed or stopped early
+
+  @HiveField(5)
+  List<String> distractionTypes; // List of distraction type strings
+
+  FocusSession({
+    required this.startTime,
+    required this.durationMinutes,
+    required this.actualMinutes,
+    this.distractionCount = 0,
+    this.completed = false,
+    List<String>? distractionTypes,
+  }) : distractionTypes = distractionTypes ?? [];
+
+  /// Get the date (without time) for grouping sessions by day
+  DateTime get date => DateTime(startTime.year, startTime.month, startTime.day);
+
+  /// Check if this session was today
+  bool get isToday {
+    final now = DateTime.now();
+    return date.year == now.year &&
+        date.month == now.month &&
+        date.day == now.day;
+  }
+}