data class BiWeeklyEvaluationEntry(var depressionScore: Int = -1, var anxietyScore: Int = -1, var depressionResults: String = "", var anxietyResults: String = "", var dateCompleted: Date? = null)
Represents the result of a bi-weekly mood evaluation.
Custom serializer for Date objects to convert them into String during serialization and back to Date during deserialization. Needed for Firestore integration