Fix Type bug.

Uncomment the gray code if you want to display minutes ago for glucose on Watch app (kind of unnecesary as it normally should be same value as last loop minutes ago...)

FreeAPS/Sources/Services/WatchManager/WatchManager.swift

@@ -62,7 +62,6 @@ final class BaseWatchManager: NSObject, WatchManager, Injectable {
             self.state.delta = glucoseValues.delta
             self.state.trendRaw = readings.first?.direction ?? "↔︎"
             self.state.glucoseDate = readings.first?.date ?? .distantPast
-            self.state.glucoseDateInterval = self.state.glucoseDate.map { UInt64($0.timeIntervalSince1970) }
             self.state.lastLoopDate = self.enactedSuggestion?.recieved == true ? self.enactedSuggestion?.deliverAt : self
                 .apsManager.lastLoopDate
             self.state.lastLoopDateInterval = self.state.lastLoopDate.map {

FreeAPSWatch WatchKit Extension/DataFlow.swift

@@ -6,7 +6,6 @@ struct WatchState: Codable {
     var trendRaw: String?
     var delta: String?
     var glucoseDate: Date?
-    var glucoseDateInterval: UInt64?
     var lastLoopDate: Date?
     var lastLoopDateInterval: UInt64?
     var bolusIncrement: Decimal?

FreeAPSWatch WatchKit Extension/Views/MainView.swift

@@ -80,7 +80,18 @@ struct MainView: View {
                             .scaledToFill()
                             .minimumScaleFactor(0.5)
                     }
-                    Text(state.delta).font(.caption2).foregroundColor(.gray)
+                    /* IF YOU WANT TO DISPLAY MINUTES AGO, UNCOMMENT the gray code below
+                     let minutesAgo: TimeInterval = -1 * (state.glucoseDate ?? .distantPast).timeIntervalSinceNow / 60
+                     let minuteString = minutesAgo.formatted(.number.grouping(.never).rounded().precision(.fractionLength(0)))
+                     */
+                    HStack {
+                        /* if minutesAgo > 0 {
+                             Text(minuteString)
+                             Text("min")
+                         } */
+                        Text(state.delta)
+                    }
+                    .font(.caption2).foregroundColor(.gray)
                 }
                 Spacer()