create ER diagram, refactor to conform to diagram, simplify session management

WorkoutsPlus/ContentView.swift

@@ -14,6 +14,8 @@ struct ContentView: View {
 		@Default(\.isOnboarding) var isOnboarding
 		@Default(\.isWorkingOut) var isWorkingOut
 		
+		@State var activeWorkoutSession: WorkoutSession?
+		
 		var body: some View {
 				NavigationStack {
 						List {
@@ -42,9 +44,14 @@ struct ContentView: View {
 												//	.frame(height: 200)
 										}
 								}
-								Section {
-										NavigationLink(destination: ActiveWorkoutSession()) {
-												if (isWorkingOut) {
+								// MARK: Workout Controls
+								if let activeWorkoutSession {
+										Section {
+												NavigationLink(
+														destination: ActiveWorkoutSession(
+																activeWorkoutSession: $activeWorkoutSession,
+																activeWorkout: activeWorkoutSession.workout)
+												) {
 														HStack {
 																Label("Back to Session", systemImage: "memories")
 																		.symbolEffect(.rotate)
@@ -52,14 +59,25 @@ struct ContentView: View {
 																		.font(.subheadline)
 																		.foregroundStyle(.secondary)
 														}
-												} else {
-														Label("Start Workout Session", systemImage: "play")
 												}
+												ActiveWorkoutSessionControls(
+														session: Binding(
+																get: { self.activeWorkoutSession! },
+																set: { self.activeWorkoutSession = $0 }
+														))
 										}
+								} else {
+										Section(footer: Text("Starts the next planned workout immediately.")) {
+												Label("Quick Start", systemImage: "play")
+										}
+								}
+								
+								
+								Section {
 										NavigationLink(destination: WorkoutLog()) {
 												Label("Workout Log", systemImage: "calendar.badge.clock")
 										}
-										NavigationLink(destination: WorkoutLibrary()) {
+										NavigationLink(destination: WorkoutLibrary(activeWorkoutSession: $activeWorkoutSession)) {
 												Label("Workouts", systemImage: "figure.run.square.stack")
 										}
 										NavigationLink(destination: ExerciseLibrary()) {
@@ -67,9 +85,11 @@ struct ContentView: View {
 										}
 								}
 								Section {
-										Label("Add Food", systemImage: "plus")
 										Label("Food Log", systemImage: "list.bullet.clipboard")
-										Label("Food Library", systemImage: "fork.knife")
+										NavigationLink(destination: Label("Add Food", systemImage: "plus")) {
+												Label("Food Library", systemImage: "fork.knife")
+										}
+										
 								}
 								Section {
 										NavigationLink(destination: Settings()) {