Refactor: Implement multi-item inventory for Pad Tracker and dynamic navigation

lib/models/cycle_entry.dart

@@ -84,7 +84,7 @@ class CycleEntry extends HiveObject {
   @HiveField(1)
   DateTime date;
 
-  @HiveField(2)
+  @HiveField(2, defaultValue: false)
   bool isPeriodDay;
 
   @HiveField(3)
@@ -99,34 +99,34 @@ class CycleEntry extends HiveObject {
   @HiveField(6)
   int? crampIntensity; // 1-5
 
-  @HiveField(7)
+  @HiveField(7, defaultValue: false)
   bool hasHeadache;
 
-  @HiveField(8)
+  @HiveField(8, defaultValue: false)
   bool hasBloating;
 
-  @HiveField(9)
+  @HiveField(9, defaultValue: false)
   bool hasBreastTenderness;
 
-  @HiveField(10)
+  @HiveField(10, defaultValue: false)
   bool hasFatigue;
 
-  @HiveField(11)
+  @HiveField(11, defaultValue: false)
   bool hasAcne;
 
-  @HiveField(22)
+  @HiveField(22, defaultValue: false)
   bool hasLowerBackPain;
 
-  @HiveField(23)
+  @HiveField(23, defaultValue: false)
   bool hasConstipation;
 
-  @HiveField(24)
+  @HiveField(24, defaultValue: false)
   bool hasDiarrhea;
 
   @HiveField(25)
   int? stressLevel; // 1-5
 
-  @HiveField(26)
+  @HiveField(26, defaultValue: false)
   bool hasInsomnia;
 
   @HiveField(12)
@@ -147,10 +147,10 @@ class CycleEntry extends HiveObject {
   @HiveField(17)
   int? waterIntake; // glasses
 
-  @HiveField(18)
+  @HiveField(18, defaultValue: false)
   bool hadExercise;
 
-  @HiveField(19)
+  @HiveField(19, defaultValue: false)
   bool hadIntimacy; // For married users only
 
   @HiveField(20)
@@ -338,7 +338,7 @@ extension FlowIntensityExtension on FlowIntensity {
       case FlowIntensity.light:
         return 'Light';
       case FlowIntensity.medium:
-        return 'Medium';
+        return 'Regular';
       case FlowIntensity.heavy:
         return 'Heavy';
     }