update weightPercentage default to 0.35

Updates `Weighted Average of TDD` for Dynamic ISF to 35% from 65%. This tips the default weighting towards the less volatile 10-day TDD average.

FreeAPS/Resources/json/defaults/preferences.json

@@ -45,7 +45,7 @@
   "enableDynamicCR" : false,
   "useNewFormula" : false,
   "useWeightedAverage" : false,
-  "weightPercentage" : 0.65,
+  "weightPercentage" : 0.35,
   "tddAdjBasal" : false,
   "enableSMB_high_bg" : false,
   "enableSMB_high_bg_target" : 110,

FreeAPS/Sources/APS/OpenAPS/OpenAPS.swift

@@ -359,7 +359,7 @@ final class OpenAPS {
         await context.perform {
             let preferences = self.storage.retrieve(OpenAPS.Settings.preferences, as: Preferences.self)
             var hbt_ = preferences?.halfBasalExerciseTarget ?? 160
-            let wp = preferences?.weightPercentage ?? 1
+            let wp = preferences?.weightPercentage ?? 0.35
             let smbMinutes = (preferences?.maxSMBBasalMinutes ?? 30) as NSDecimalNumber
             let uamMinutes = (preferences?.maxUAMSMBBasalMinutes ?? 30) as NSDecimalNumber
 

FreeAPS/Sources/Models/DecimalPickerSettings.swift

@@ -127,7 +127,7 @@ struct DecimalPickerSettings {
         max: 2,
         type: PickerSetting.PickerSettingType.factor
     )
-    var weightPercentage = PickerSetting(value: 0.65, step: 0.1, min: 0.1, max: 1, type: PickerSetting.PickerSettingType.factor)
+    var weightPercentage = PickerSetting(value: 0.35, step: 0.05, min: 0.05, max: 1, type: PickerSetting.PickerSettingType.factor)
     var enableSMB_high_bg_target = PickerSetting(
         value: 110,
         step: 1,

FreeAPS/Sources/Models/Preferences.swift

@@ -48,7 +48,7 @@ struct Preferences: JSON {
     var enableDynamicCR: Bool = false
     var useNewFormula: Bool = false
     var useWeightedAverage: Bool = false
-    var weightPercentage: Decimal = 0.65
+    var weightPercentage: Decimal = 0.35
     var tddAdjBasal: Bool = false
     var enableSMB_high_bg: Bool = false
     var enableSMB_high_bg_target: Decimal = 110

FreeAPS/Sources/Modules/DynamicSettings/DynamicSettingsStateModel.swift

@@ -11,7 +11,7 @@ extension DynamicSettings {
         var sigmoid: Bool = false
         var adjustmentFactor: Decimal = 0.8
         var adjustmentFactorSigmoid: Decimal = 0.5
-        var weightPercentage: Decimal = 0.65
+        var weightPercentage: Decimal = 0.35
         var tddAdjBasal: Bool = false
         var threshold_setting: Decimal = 60
         var units: GlucoseUnits = .mgdL

FreeAPS/Sources/Modules/DynamicSettings/View/DynamicSettingsRootView.swift

@@ -249,7 +249,7 @@ extension DynamicSettings {
                                 "This setting adjusts how much weight is given to your recent total daily insulin dose when calculating Dynamic ISF and Dynamic CR."
                             )
                             Text(
-                                "At the default setting, 65% of the calculation is based on the last 24 hours of insulin use, with the remaining 35% considering the last 10 days of data."
+                                "At the default setting, 35% of the calculation is based on the last 24 hours of insulin use, with the remaining 65% considering the last 10 days of data."
                             )
                             Text("Setting this to 100% means only the past 24 hours will be used.")
                             Text("A lower value smooths out these variations for more stability.")