add NavigationManager for programatic navigation from the root

WorkoutsPlus/Features/Workout/WorkoutDetail.swift

@@ -11,6 +11,7 @@ import SwiftData
 struct WorkoutDetail: View {
 		@Environment(\.dismiss) private var dismiss
 		@Environment(\.modelContext) private var modelContext
+		@EnvironmentObject private var navigationManager: NavigationManager
 		
 		@Default(\.isWorkingOut) var isWorkingOut
 		
@@ -73,6 +74,7 @@ struct WorkoutDetail: View {
 								Button(action: {
 										isWorkingOut = true
 										activeWorkoutSession = workout.start()
+										navigationManager.navigateFromRoot(to: .activeWorkoutSession)
 								}) {
 										HStack {
 												Image(systemName: "play.fill")

WorkoutsPlus/Features/Workout/WorkoutIconSelector.swift

@@ -7,10 +7,9 @@
 
 import SwiftUI
 
+// TODO: We need color pairs (one for light mode one for dark)
 struct WorkoutIconSelector: View {
-		
 		@State var workout: Workout
-
 		@State private var searchText: String = ""
 		var filteredIcons: [String] {
 				if searchText.isEmpty {

WorkoutsPlus/Features/Workout/WorkoutLibrary.swift

@@ -10,6 +10,7 @@ import SwiftData
 
 struct WorkoutLibrary: View {
 		@Environment(\.modelContext) private var modelContext
+		@EnvironmentObject private var navigationManager: NavigationManager
 		@Default(\.isWorkingOut) var isWorkingOut
 		
 		@Binding var activeWorkoutSession: WorkoutSession?
@@ -44,8 +45,9 @@ struct WorkoutLibrary: View {
 												if !isWorkingOut {
 														Button {
 																activeWorkoutSession = workout.start()
+																navigationManager.navigateFromRoot(to: .activeWorkoutSession)
 														} label: {
-																Label("Start", systemImage: "play")
+																Label("Quick Start Workout", systemImage: "play")
 																		.tint(.green)
 														}
 												}

WorkoutsPlus/Features/WorkoutSession/WorkoutSessionItem.swift

@@ -24,6 +24,9 @@ final class WorkoutSessionItem: Nameable, Positionable {
 		var actualReps: Int?
 		var actualValue: Double?
 		
+		var startDate: Date?
+		var stopDate: Date?
+		
 		init(workoutSession: WorkoutSession, planned: WorkoutItem) {
 				self.workoutSession = workoutSession
 				self.name = planned.exercise.name
@@ -33,4 +36,7 @@ final class WorkoutSessionItem: Nameable, Positionable {
 				self.unit = planned.unit
 				self.metric = planned.metric
 		}
+		
+		func start() { startDate = .now }
+		func stop() { stopDate = .now }
 }