fix: remove redundant code in processing logic

internal/store/model_adapters.go

@@ -246,7 +246,7 @@ func importantDateFromModel(m generatedmodels.ModelPublicImportantDates, memberN
 		Title:              m.Title.String(),
 		DateValue:          m.DateValue.Time(),
 		RecurringYearly:    m.RecurringYearly,
-		ReminderDaysBefore: int(m.ReminderDaysBefore.Int64()),
+		ReminderDaysBefore: int(m.ReminderDaysBefore),
 		Notes:              m.Notes.String(),
 		CreatedAt:          m.CreatedAt.Time(),
 	}
@@ -418,6 +418,56 @@ func shoppingListFromModel(m generatedmodels.ModelPublicShoppingLists) ext.Shopp
 	return list
 }
 
+func planFromModel(m generatedmodels.ModelPublicPlans, tags []string) ext.Plan {
+	var projectID *uuid.UUID
+	if m.ProjectID.Valid {
+		id := m.ProjectID.UUID()
+		projectID = &id
+	}
+
+	var dueDate *time.Time
+	if m.DueDate.Valid {
+		t := m.DueDate.Time()
+		dueDate = &t
+	}
+
+	var completedAt *time.Time
+	if m.CompletedAt.Valid {
+		t := m.CompletedAt.Time()
+		completedAt = &t
+	}
+
+	var lastReviewedAt *time.Time
+	if m.LastReviewedAt.Valid {
+		t := m.LastReviewedAt.Time()
+		lastReviewedAt = &t
+	}
+
+	var supersedesPlanID *uuid.UUID
+	if m.SupersedesPlanID.Valid {
+		id := m.SupersedesPlanID.UUID()
+		supersedesPlanID = &id
+	}
+
+	return ext.Plan{
+		ID:               m.ID.UUID(),
+		Title:            m.Title.String(),
+		Description:      m.Description.String(),
+		Status:           ext.PlanStatus(m.Status.String()),
+		Priority:         ext.PlanPriority(m.Priority.String()),
+		ProjectID:        projectID,
+		Owner:            m.Owner.String(),
+		DueDate:          dueDate,
+		CompletedAt:      completedAt,
+		ReviewedBy:       m.ReviewedBy.String(),
+		LastReviewedAt:   lastReviewedAt,
+		SupersedesPlanID: supersedesPlanID,
+		Tags:             tags,
+		CreatedAt:        m.CreatedAt.Time(),
+		UpdatedAt:        m.UpdatedAt.Time(),
+	}
+}
+
 func learningFromModel(m generatedmodels.ModelPublicLearnings, tags []string) ext.Learning {
 	var projectID *uuid.UUID
 	if m.ProjectID.Valid {