more consitancy

Cable/Base.lproj/Localizable.strings

@@ -80,6 +80,9 @@
 "loads.overview.empty.message" = "Start by adding a load to see system insights.";
 "loads.overview.empty.create" = "Add Load";
 "loads.overview.empty.library" = "Browse Library";
+"loads.library.button" = "Library";
+"loads.onboarding.title" = "Add your first component";
+"loads.onboarding.subtitle" = "Bring your system to life with components and let **Cable by VoltPlan** handle cable and fuse recommendations.";
 "loads.overview.status.missing_details.title" = "Missing load details";
 "loads.overview.status.missing_details.message" = "Enter cable length and wire size for %d %@ to see accurate recommendations.";
 "loads.overview.status.missing_details.singular" = "load";
@@ -102,6 +105,8 @@
 "battery.bank.metric.capacity" = "Capacity";
 "battery.bank.metric.energy" = "Energy";
 "battery.overview.empty.create" = "Add Battery";
+"battery.onboarding.title" = "Add your first battery";
+"battery.onboarding.subtitle" = "Track your bank's capacity and chemistry to keep runtime expectations in check.";
 "battery.bank.badge.voltage" = "Voltage";
 "battery.bank.badge.capacity" = "Capacity";
 "battery.bank.badge.energy" = "Energy";

Cable/Batteries/BatteryEditorView.swift

@@ -232,7 +232,7 @@ struct BatteryEditorView: View {
                     voltageInput = formattedEditValue(configuration.nominalVoltage)
                 }
             }
-            .onChange(of: voltageInput) { newValue in
+            .onChange(of: voltageInput) { _, newValue in
                 guard editingField == .voltage, let parsed = parseInput(newValue) else { return }
                 configuration.nominalVoltage = roundToTenth(parsed)
             }
@@ -306,7 +306,7 @@ struct BatteryEditorView: View {
                     capacityInput = formattedEditValue(configuration.capacityAmpHours)
                 }
             }
-            .onChange(of: capacityInput) { newValue in
+            .onChange(of: capacityInput) { _, newValue in
                 guard editingField == .capacity, let parsed = parseInput(newValue) else { return }
                 configuration.capacityAmpHours = roundToTenth(parsed)
             }

Cable/ComponentsOnboardingView.swift

@@ -1,122 +0,0 @@
-import SwiftUI
-
-struct ComponentsOnboardingView: View {
-    @State private var carouselStep = 0
-    let onCreate: () -> Void
-    let onBrowse: () -> Void
-
-    private let imageNames = [
-        "coffee-onboarding",
-        "router-onboarding",
-        "charger-onboarding"
-    ]
-
-    private let timer = Timer.publish(every: 8, on: .main, in: .common).autoconnect()
-    private let animationDuration = 0.8
-
-    private var loopingImages: [String] {
-        guard let first = imageNames.first else { return [] }
-        return imageNames + [first]
-    }
-
-    var body: some View {
-        VStack {
-            Spacer(minLength: 32)
-
-            OnboardingCarouselView(images: loopingImages, step: carouselStep)
-                .frame(minHeight: 80, maxHeight: 240)
-                .padding(.horizontal, 0)
-
-            VStack(spacing: 12) {
-                Text("Add your first component")
-                    .font(.title2.weight(.semibold))
-                    .multilineTextAlignment(.center)
-
-                Text("Bring your system to life with components and let **Cable by VoltPlan** handle cable and fuse recommendations.")
-                    .font(.body)
-                    .foregroundStyle(Color.secondary)
-                    .multilineTextAlignment(.center)
-                    .frame(minHeight: 72)
-                    .padding(.horizontal, 12)
-            }
-            .padding(.horizontal, 24)
-
-            Spacer()
-
-            VStack(spacing: 12) {
-                Button(action: createComponent) {
-                    HStack(spacing: 8) {
-                        Image(systemName: "plus.circle.fill")
-                            .font(.system(size: 16))
-                        Text("Create Component")
-                            .font(.headline.weight(.semibold))
-                    }
-                    .foregroundColor(.white)
-                    .frame(maxWidth: .infinity)
-                    .frame(height: 48)
-                    .background(Color.blue)
-                    .cornerRadius(12)
-                }
-                .accessibilityIdentifier("create-component-button")
-                .buttonStyle(.plain)
-
-                Button(action: onBrowse) {
-                    HStack(spacing: 8) {
-                        Image(systemName: "books.vertical")
-                            .font(.system(size: 16))
-                        Text("Browse Library")
-                            .font(.headline.weight(.semibold))
-                    }
-                    .foregroundColor(.blue)
-                    .frame(maxWidth: .infinity)
-                    .frame(height: 48)
-                    .background(
-                        RoundedRectangle(cornerRadius: 12, style: .continuous)
-                            .fill(Color.blue.opacity(0.12))
-                    )
-                    .overlay(
-                        RoundedRectangle(cornerRadius: 12, style: .continuous)
-                            .stroke(Color.blue.opacity(0.24), lineWidth: 1)
-                    )
-                }
-                .accessibilityIdentifier("select-component-button")
-                .buttonStyle(.plain)
-            }
-            .padding(.horizontal, 24)
-        }
-        .padding(.bottom, 32)
-        .frame(maxWidth: .infinity, maxHeight: .infinity)
-        .background(Color(.systemGroupedBackground))
-        .onAppear(perform: resetState)
-        .onReceive(timer) { _ in advanceCarousel() }
-    }
-
-    private func resetState() {
-        carouselStep = 0
-    }
-
-    private func createComponent() {
-        onCreate()
-    }
-
-    private func advanceCarousel() {
-        guard imageNames.count > 1 else { return }
-        let next = carouselStep + 1
-
-        withAnimation(.easeInOut(duration: animationDuration)) {
-            carouselStep = next
-        }
-
-        if next == imageNames.count {
-            DispatchQueue.main.asyncAfter(deadline: .now() + animationDuration) {
-                withAnimation(.none) {
-                    carouselStep = 0
-                }
-            }
-        }
-    }
-}
-
-#Preview {
-    ComponentsOnboardingView(onCreate: {}, onBrowse: {})
-}

Cable/Loads/CalculatorView.swift

@@ -151,10 +151,10 @@ struct CalculatorView: View {
                         lengthInput = formattedValue(calculator.length)
                     }
                 }
-                .onChange(of: lengthInput) { newValue in
+            .onChange(of: lengthInput) { _, newValue in
-                    guard editingValue == .length, let parsed = parseInput(newValue) else { return }
+                guard editingValue == .length, let parsed = parseInput(newValue) else { return }
-                    calculator.length = roundToTenth(parsed)
+                calculator.length = roundToTenth(parsed)
-                }
+            }
             Button("Cancel", role: .cancel) {
                 editingValue = nil
                 lengthInput = ""
@@ -187,10 +187,10 @@ struct CalculatorView: View {
                         voltageInput = formattedValue(calculator.voltage)
                     }
                 }
-                .onChange(of: voltageInput) { newValue in
+            .onChange(of: voltageInput) { _, newValue in
-                    guard editingValue == .voltage, let parsed = parseInput(newValue) else { return }
+                guard editingValue == .voltage, let parsed = parseInput(newValue) else { return }
-                    calculator.voltage = roundToTenth(parsed)
+                calculator.voltage = roundToTenth(parsed)
-                }
+            }
             Button("Cancel", role: .cancel) {
                 editingValue = nil
                 voltageInput = ""
@@ -228,10 +228,10 @@ struct CalculatorView: View {
                         currentInput = formattedValue(calculator.current)
                     }
                 }
-                .onChange(of: currentInput) { newValue in
+            .onChange(of: currentInput) { _, newValue in
-                    guard editingValue == .current, let parsed = parseInput(newValue) else { return }
+                guard editingValue == .current, let parsed = parseInput(newValue) else { return }
-                    calculator.current = roundToTenth(parsed)
+                calculator.current = roundToTenth(parsed)
-                }
+            }
             Button("Cancel", role: .cancel) {
                 editingValue = nil
                 currentInput = ""
@@ -265,10 +265,10 @@ struct CalculatorView: View {
                         powerInput = formattedValue(calculator.power)
                     }
                 }
-                .onChange(of: powerInput) { newValue in
+            .onChange(of: powerInput) { _, newValue in
-                    guard editingValue == .power, let parsed = parseInput(newValue) else { return }
+                guard editingValue == .power, let parsed = parseInput(newValue) else { return }
-                    calculator.power = roundToNearestFive(parsed)
+                calculator.power = roundToNearestFive(parsed)
-                }
+            }
             Button("Cancel", role: .cancel) {
                 editingValue = nil
                 powerInput = ""
@@ -824,7 +824,7 @@ struct CalculatorView: View {
                         unit: "V",
                         tapAction: beginVoltageEditing,
                         snapValues: editingValue == .voltage ? nil : voltageSnapValues)
-        .onChange(of: calculator.voltage) {
+        .onChange(of: calculator.voltage) { _, _ in
             if isWattMode {
                 calculator.updateFromPower()
             } else {
@@ -859,7 +859,7 @@ struct CalculatorView: View {
                         },
                         tapAction: beginPowerEditing,
                         snapValues: editingValue == .power ? nil : powerSnapValues)
-            .onChange(of: calculator.power) {
+            .onChange(of: calculator.power) { _, _ in
                 calculator.updateFromPower()
                 calculator.objectWillChange.send()
                 autoUpdateSavedLoad()
@@ -886,7 +886,7 @@ struct CalculatorView: View {
                         },
                         tapAction: beginCurrentEditing,
                         snapValues: editingValue == .current ? nil : currentSnapValues)
-            .onChange(of: calculator.current) {
+            .onChange(of: calculator.current) { _, _ in
                 calculator.updateFromCurrent()
                 calculator.objectWillChange.send()
                 autoUpdateSavedLoad()
@@ -914,10 +914,10 @@ struct CalculatorView: View {
                     unit: unitSettings.unitSystem.lengthUnit,
                     tapAction: beginLengthEditing,
                     snapValues: editingValue == .length ? nil : lengthSnapValues)
-            .onChange(of: calculator.length) {
+        .onChange(of: calculator.length) { _, _ in
-                calculator.objectWillChange.send()
+            calculator.objectWillChange.send()
-                autoUpdateSavedLoad()
+            autoUpdateSavedLoad()
-            }
+        }
     }
 
     private func normalizedVoltage(for value: Double) -> Double {
@@ -1239,17 +1239,21 @@ struct SliderSection: View {
                     .foregroundColor(.secondary)
                 
                 Slider(value: $value, in: range)
-                    .onChange(of: value) {
+                    .onChange(of: value) { _, newValue in
                         // Always round to 1 decimal place first
-                        value = round(value * 10) / 10
+                        var adjusted = (newValue * 10).rounded() / 10
 
                         if let snapValues = snapValues {
                             // Find the closest snap value
-                            let closest = snapValues.min { abs($0 - value) < abs($1 - value) }
+                            if let closest = snapValues.min(by: { abs($0 - adjusted) < abs($1 - adjusted) }),
-                            if let closest = closest, abs(closest - value) < 0.5 {
+                               abs(closest - adjusted) < 0.5 {
-                                value = closest
+                                adjusted = closest
                             }
                         }
+
+                        if abs(adjusted - newValue) > 0.000001 {
+                            value = adjusted
+                        }
                     }
                 
                 Text(String(format: "%.0f%@", range.upperBound, unit))

Cable/Loads/ComponentLibraryView.swift

@@ -126,15 +126,6 @@ struct ComponentLibraryItem: Identifiable, Equatable {
 
         append(locale.identifier)
 
-        let components = Locale.components(fromIdentifier: locale.identifier)
-
-        if let language = components[NSLocale.Key.languageCode.rawValue]?.lowercased() {
-            if let region = components[NSLocale.Key.countryCode.rawValue]?.uppercased() {
-                append("\(language)_\(region)")
-            }
-            append(language)
-        }
-
         if let languageCode = locale.language.languageCode?.identifier.lowercased() {
             append(languageCode)
         }

Cable/Loads/LoadsView.swift

@@ -70,25 +70,35 @@ struct LoadsView: View {
                             systemImage: "square.stack.3d.up"
                         )
                     }
-                BatteriesView(
+            Group {
-                    system: system,
+                if savedBatteries.isEmpty {
-                    batteries: savedBatteries,
+                    OnboardingInfoView(
-                    editMode: $editMode,
+                        configuration: .battery(),
-                    onEdit: { editBattery($0) },
+                        onPrimaryAction: { startBatteryConfiguration() }
-                    onDelete: deleteBatteries
+                    )
+                } else {
+                    BatteriesView(
+                        system: system,
+                        batteries: savedBatteries,
+                        editMode: $editMode,
+                        onEdit: { editBattery($0) },
+                        onDelete: deleteBatteries
+                    )
+                    .environment(\.editMode, $editMode)
+                }
+            }
+            .tag(ComponentTab.batteries)
+            .tabItem {
+                Label(
+                    String(
+                        localized: "tab.batteries",
+                        bundle: .main,
+                        comment: "Tab title for battery configurations"
+                    ),
+                    systemImage: "battery.100"
                 )
-                .environment(\.editMode, $editMode)
+            }
-                    .tag(ComponentTab.batteries)
+            .environment(\.editMode, $editMode)
-                    .tabItem {
-                        Label(
-                            String(
-                                localized: "tab.batteries",
-                                bundle: .main,
-                                comment: "Tab title for battery configurations"
-                            ),
-                            systemImage: "battery.100"
-                        )
-                    }
                 ChargersView(system: system)
                     .tag(ComponentTab.chargers)
                     .tabItem {
@@ -129,35 +139,27 @@ struct LoadsView: View {
             }
             
             ToolbarItem(placement: .navigationBarTrailing) {
-                HStack {
+                let showPrimary = selectedComponentTab != .overview
-                    if selectedComponentTab == .components {
+                let showEditLoads = selectedComponentTab == .components && !savedLoads.isEmpty
-                        Button(action: {
+                let showEditBatteries = selectedComponentTab == .batteries && !savedBatteries.isEmpty
-                            showingComponentLibrary = true
+
-                        }) {
+                if showPrimary || showEditLoads || showEditBatteries {
-                            Image(systemName: "books.vertical")
+                    HStack {
+                        if showPrimary {
+                            Button(action: {
+                                handlePrimaryAction()
+                            }) {
+                                Image(systemName: "plus")
+                            }
+                            .disabled(selectedComponentTab == .chargers)
                         }
-                        .accessibilityIdentifier("component-library-button")
+                        if showEditLoads {
-                    }
+                            EditButton()
-                    if !savedLoads.isEmpty && (selectedComponentTab == .components || selectedComponentTab == .overview) {
+                                .disabled(savedLoads.isEmpty)
-                        Button(action: {
+                        } else if showEditBatteries {
-                            showingSystemBOM = true
+                            EditButton()
-                        }) {
+                                .disabled(savedBatteries.isEmpty)
-                            Image(systemName: "list.bullet.rectangle")
                         }
-                        .accessibilityIdentifier("system-bom-button")
-                    }
-                    Button(action: {
-                        handlePrimaryAction()
-                    }) {
-                        Image(systemName: "plus")
-                    }
-                    .disabled(selectedComponentTab == .chargers)
-                    if selectedComponentTab == .components {
-                        EditButton()
-                            .disabled(savedLoads.isEmpty)
-                    } else if selectedComponentTab == .batteries {
-                        EditButton()
-                            .disabled(savedBatteries.isEmpty)
                     }
                 }
             }
@@ -267,6 +269,29 @@ struct LoadsView: View {
                     Text(loadsSummaryTitle)
                         .font(.headline.weight(.semibold))
                     Spacer()
+                    Button {
+                        showingComponentLibrary = true
+                    } label: {
+                        HStack(spacing: 6) {
+                            Image(systemName: "books.vertical")
+                            Text(
+                                String(
+                                    localized: "loads.library.button",
+                                    bundle: .main,
+                                    comment: "Button title to open component library"
+                                )
+                            )
+                        }
+                        .font(.footnote.weight(.semibold))
+                        .padding(.horizontal, 10)
+                        .padding(.vertical, 6)
+                        .background(
+                            Capsule(style: .continuous)
+                                .fill(Color(.tertiarySystemFill))
+                        )
+                    }
+                    .buttonStyle(.plain)
+                    .foregroundStyle(Color.accentColor)
                 }
 
                 ViewThatFits(in: .horizontal) {
@@ -333,19 +358,16 @@ struct LoadsView: View {
 
     private var componentsTab: some View {
         VStack(spacing: 0) {
-            summarySection
-
             if savedLoads.isEmpty {
-                ScrollView {
+                OnboardingInfoView(
-                    ComponentsOnboardingView(
+                    configuration: .loads(),
-                        onCreate: { createNewLoad() },
+                    onPrimaryAction: { createNewLoad() },
-                        onBrowse: { showingComponentLibrary = true }
+                    onSecondaryAction: { showingComponentLibrary = true }
-                    )
+                )
-                    .padding(.horizontal, 16)
+                .padding(.horizontal, 0)
-                    .padding(.top, 32)
-                    .padding(.bottom, 24)
-                }
             } else {
+                summarySection
+
                 List {
                     ForEach(savedLoads) { load in
                         Button {

Cable/Loads/OnboardingInfoView.swift

@@ -0,0 +1,149 @@
+import SwiftUI
+
+struct OnboardingInfoView: View {
+    struct Configuration {
+        let title: LocalizedStringKey
+        let subtitle: LocalizedStringKey
+        let primaryActionTitle: LocalizedStringKey
+        let primaryActionIcon: String
+        let secondaryActionTitle: LocalizedStringKey?
+        let secondaryActionIcon: String?
+        let imageNames: [String]
+    }
+
+    @State private var carouselStep = 0
+    private let configuration: Configuration
+    private let onPrimaryAction: () -> Void
+    private let onSecondaryAction: () -> Void
+
+    private let timer = Timer.publish(every: 8, on: .main, in: .common).autoconnect()
+    private let animationDuration = 0.8
+
+    private var loopingImages: [String] {
+        guard let first = configuration.imageNames.first else { return [] }
+        return configuration.imageNames + [first]
+    }
+
+    init(configuration: Configuration, onPrimaryAction: @escaping () -> Void, onSecondaryAction: @escaping () -> Void = {}) {
+        self.configuration = configuration
+        self.onPrimaryAction = onPrimaryAction
+        self.onSecondaryAction = onSecondaryAction
+    }
+
+    var body: some View {
+        VStack(spacing: 24) {
+            Spacer(minLength: 32)
+
+            if !loopingImages.isEmpty {
+                OnboardingCarouselView(images: loopingImages, step: carouselStep)
+                    .frame(minHeight: 80, maxHeight: 220)
+                    .padding(.horizontal, 0)
+            }
+
+            VStack(spacing: 12) {
+                Text(configuration.title)
+                    .font(.title2.weight(.semibold))
+                    .multilineTextAlignment(.center)
+
+                Text(configuration.subtitle)
+                    .font(.body)
+                    .foregroundStyle(Color.secondary)
+                    .multilineTextAlignment(.center)
+                    .frame(minHeight: 72)
+                    .padding(.horizontal, 12)
+            }
+            .padding(.horizontal, 24)
+
+            Spacer()
+
+            VStack(spacing: 12) {
+                Button(action: onPrimaryAction) {
+                    Label(configuration.primaryActionTitle, systemImage: configuration.primaryActionIcon)
+                        .frame(maxWidth: .infinity)
+                }
+                .buttonStyle(.borderedProminent)
+                .controlSize(.large)
+
+                if let secondaryTitle = configuration.secondaryActionTitle,
+                   let secondaryIcon = configuration.secondaryActionIcon {
+                    Button(action: onSecondaryAction) {
+                        Label(secondaryTitle, systemImage: secondaryIcon)
+                            .frame(maxWidth: .infinity)
+                    }
+                    .buttonStyle(.bordered)
+                    .tint(.accentColor)
+                    .controlSize(.large)
+                }
+            }
+            .padding(.horizontal, 24)
+        }
+        .padding(.vertical, 24)
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+        .background(Color(.systemGroupedBackground))
+        .onAppear(perform: resetState)
+        .onReceive(timer) { _ in advanceCarousel() }
+    }
+
+    private func resetState() {
+        carouselStep = 0
+    }
+
+    private func advanceCarousel() {
+        guard configuration.imageNames.count > 1 else { return }
+        let next = carouselStep + 1
+
+        withAnimation(.easeInOut(duration: animationDuration)) {
+            carouselStep = next
+        }
+
+        if next == configuration.imageNames.count {
+            DispatchQueue.main.asyncAfter(deadline: .now() + animationDuration) {
+                withAnimation(.none) {
+                    carouselStep = 0
+                }
+            }
+        }
+    }
+}
+
+#Preview {
+    OnboardingInfoView(
+        configuration: .loads(),
+        onPrimaryAction: {},
+        onSecondaryAction: {}
+    )
+}
+
+extension OnboardingInfoView.Configuration {
+    static func loads() -> Self {
+        Self(
+            title: LocalizedStringKey("loads.onboarding.title"),
+            subtitle: LocalizedStringKey("loads.onboarding.subtitle"),
+            primaryActionTitle: LocalizedStringKey("loads.overview.empty.create"),
+            primaryActionIcon: "plus",
+            secondaryActionTitle: LocalizedStringKey("loads.overview.empty.library"),
+            secondaryActionIcon: "books.vertical",
+            imageNames: [
+                "coffee-onboarding",
+                "router-onboarding",
+                "charger-onboarding"
+            ]
+        )
+    }
+
+    static func battery() -> Self {
+        Self(
+            title: LocalizedStringKey("battery.onboarding.title"),
+            subtitle: LocalizedStringKey("battery.onboarding.subtitle"),
+            primaryActionTitle: LocalizedStringKey("battery.overview.empty.create"),
+            primaryActionIcon: "plus",
+            secondaryActionTitle: nil,
+            secondaryActionIcon: nil,
+            imageNames: [
+                "charger-onboarding",
+                "router-onboarding",
+                "coffee-onboarding"
+            ]
+        )
+    }
+}

Cable/Overview/SystemOverviewView.swift

@@ -1,6 +1,7 @@
 import SwiftUI
 
 struct SystemOverviewView: View {
+    @Environment(\.dismiss) private var dismiss
     @State private var activeStatus: LoadConfigurationStatus?
     @State private var suppressLoadNavigation = false
     let system: ElectricalSystem
@@ -771,3 +772,85 @@ struct SystemOverviewView: View {
         }
     }
 }
+
+#Preview("SystemOverview – Populated") {
+    let system = ElectricalSystem(
+        name: "12V DC System",
+        location: "Engine Room",
+        iconName: "bolt.circle.fill",
+        colorName: "blue"
+    )
+
+    let loads: [SavedLoad] = [
+        SavedLoad(
+            name: "Navigation Lights",
+            voltage: 12.8,
+            current: 2.4,
+            power: 28.8,
+            length: 5.0,
+            crossSection: 2.5
+        ),
+        SavedLoad(
+            name: "Bilge Pump",
+            voltage: 12.8,
+            current: 8.0,
+            power: 96.0,
+            length: 3.0,
+            crossSection: 4.0
+        ),
+        SavedLoad(
+            name: "Chartplotter",
+            voltage: 12.8,
+            current: 1.5,
+            power: 18.0,
+            length: 2.0,
+            crossSection: 1.5
+        )
+    ]
+
+    let batteries: [SavedBattery] = [
+        SavedBattery(
+            name: "House AGM",
+            nominalVoltage: 12.0,
+            capacityAmpHours: 100.0
+        ),
+        SavedBattery(
+            name: "Starter AGM",
+            nominalVoltage: 12.0,
+            capacityAmpHours: 100.0
+        )
+    ]
+
+    SystemOverviewView(
+        system: system,
+        loads: loads,
+        batteries: batteries,
+        onSelectLoads: {},
+        onSelectBatteries: {},
+        onCreateLoad: {},
+        onBrowseLibrary: {},
+        onCreateBattery: {}
+    )
+    .padding()
+}
+
+#Preview("SystemOverview – Empty States") {
+    let system = ElectricalSystem(
+        name: "24V DC System",
+        location: "Main Panel",
+        iconName: "bolt.circle.fill",
+        colorName: "green"
+    )
+
+    return SystemOverviewView(
+        system: system,
+        loads: [],
+        batteries: [],
+        onSelectLoads: {},
+        onSelectBatteries: {},
+        onCreateLoad: {},
+        onBrowseLibrary: {},
+        onCreateBattery: {}
+    )
+    .padding()
+}

Cable/SystemView.swift

@@ -1,40 +0,0 @@
-//
-//  SystemView.swift
-//  Cable
-//
-//  Created by Stefan Lange-Hegermann on 09.10.25.
-//
-
-
-import SwiftUI
-import SwiftData
-
-struct SystemView: View {
-    var body: some View {
-        NavigationStack {
-            VStack(spacing: 24) {
-                Spacer()
-                
-                VStack(spacing: 16) {
-                    Image(systemName: "square.grid.3x2")
-                        .font(.system(size: 48))
-                        .foregroundColor(.secondary)
-                    
-                    Text("System View")
-                        .font(.title2)
-                        .fontWeight(.semibold)
-                    
-                    Text("Coming soon - manage your electrical systems and panels here.")
-                        .font(.body)
-                        .foregroundColor(.secondary)
-                        .multilineTextAlignment(.center)
-                        .padding(.horizontal, 48)
-                }
-                
-                Spacer()
-                Spacer()
-            }
-            .navigationTitle("System")
-        }
-    }
-}

Cable/Systems/SystemsView.swift

@@ -414,3 +414,79 @@ struct SystemsView: View {
         }
     }
 }
+
+#Preview("Sample Systems") {
+    // An in-memory SwiftData container for previews so we don't persist anything
+    let configuration = ModelConfiguration(isStoredInMemoryOnly: true)
+    let container = try! ModelContainer(for: ElectricalSystem.self, SavedLoad.self, configurations: configuration)
+
+    // Seed sample data only once per preview session
+    if (try? ModelContext(container).fetch(FetchDescriptor<ElectricalSystem>()))?.isEmpty ?? true {
+        let context = ModelContext(container)
+
+        // Sample systems
+        let system1 = ElectricalSystem(name: "Camper Van", location: "Road Trip", iconName: "bus", colorName: "teal")
+        let system2 = ElectricalSystem(name: "Sailboat Aurora", location: "Marina 7", iconName: "sailboat", colorName: "blue")
+
+        context.insert(system1)
+        context.insert(system2)
+
+        // Sample loads for system 1
+        let load1 = SavedLoad(
+            name: "LED Cabin Light",
+            voltage: 12,
+            current: 0.5,
+            power: 6,
+            length: 5,
+            crossSection: 1.5,
+            iconName: "lightbulb",
+            colorName: "yellow",
+            isWattMode: false,
+            system: system1,
+            remoteIconURLString: nil,
+            affiliateURLString: nil,
+            affiliateCountryCode: nil
+        )
+
+        let load2 = SavedLoad(
+            name: "Water Pump",
+            voltage: 12,
+            current: 5,
+            power: 60,
+            length: 3,
+            crossSection: 2.5,
+            iconName: "drop",
+            colorName: "blue",
+            isWattMode: false,
+            system: system1,
+            remoteIconURLString: nil,
+            affiliateURLString: nil,
+            affiliateCountryCode: nil
+        )
+
+        // Sample loads for system 2
+        let load3 = SavedLoad(
+            name: "Navigation Lights",
+            voltage: 12,
+            current: 1.2,
+            power: 14.4,
+            length: 8,
+            crossSection: 1.5,
+            iconName: "lightbulb",
+            colorName: "green",
+            isWattMode: false,
+            system: system2,
+            remoteIconURLString: nil,
+            affiliateURLString: nil,
+            affiliateCountryCode: nil
+        )
+
+        context.insert(load1)
+        context.insert(load2)
+        context.insert(load3)
+    }
+
+    return SystemsView()
+        .modelContainer(container)
+        .environmentObject(UnitSystemSettings())
+}

Cable/de.lproj/Localizable.strings

@@ -141,13 +141,16 @@
 "tab.batteries" = "Batterien";
 "tab.chargers" = "Ladegeräte";
 
-"loads.overview.header.title" = "Verbraucherübersicht";
+"loads.overview.header.title" = "Verbraucher";
 "loads.overview.metric.count" = "Verbraucher";
 "loads.overview.metric.current" = "Strom";
 "loads.overview.metric.power" = "Leistung";
 "loads.overview.empty.message" = "Füge einen Verbraucher hinzu, um dein System einzurichten.";
 "loads.overview.empty.create" = "Verbraucher hinzufügen";
 "loads.overview.empty.library" = "Bibliothek durchsuchen";
+"loads.library.button" = "Bibliothek";
+"loads.onboarding.title" = "Füge deinen ersten Verbraucher hinzu";
+"loads.onboarding.subtitle" = "Statte dein System mit Verbrauchern aus und lass **Cable by VoltPlan** die Kabel- und Sicherungsempfehlungen übernehmen.";
 "loads.overview.status.missing_details.title" = "Fehlende Verbraucherdetails";
 "loads.overview.status.missing_details.message" = "Gib Kabellänge und Leitungsquerschnitt für %d %@ ein, um genaue Empfehlungen zu erhalten.";
 "loads.overview.status.missing_details.singular" = "Verbraucher";
@@ -165,11 +168,13 @@
 "battery.bank.warning.voltage.short" = "Spannung";
 "battery.bank.warning.capacity.short" = "Kapazität";
 
-"battery.bank.header.title" = "Batteriebank";
+"battery.bank.header.title" = "Batterien";
 "battery.bank.metric.count" = "Batterien";
 "battery.bank.metric.capacity" = "Kapazität";
 "battery.bank.metric.energy" = "Energie";
 "battery.overview.empty.create" = "Batterie hinzufügen";
+"battery.onboarding.title" = "Füge deine erste Batterie hinzu";
+"battery.onboarding.subtitle" = "Behalte Kapazität und Chemie deiner Batterien im Blick, um die Laufzeit im Griff zu behalten.";
 "battery.bank.badge.voltage" = "Spannung";
 "battery.bank.badge.capacity" = "Kapazität";
 "battery.bank.badge.energy" = "Energie";

Cable/es.lproj/Localizable.strings

@@ -147,6 +147,9 @@
 "loads.overview.empty.message" = "Añade una carga para ver los detalles del sistema.";
 "loads.overview.empty.create" = "Añadir carga";
 "loads.overview.empty.library" = "Explorar biblioteca";
+"loads.library.button" = "Biblioteca";
+"loads.onboarding.title" = "Añade tu primer consumidor";
+"loads.onboarding.subtitle" = "Completa tu sistema con consumidores y deja que **Cable by VoltPlan** calcule cables y fusibles por ti.";
 "loads.overview.status.missing_details.title" = "Faltan detalles de la carga";
 "loads.overview.status.missing_details.message" = "Introduce la longitud del cable y el calibre del conductor para %d %@ para obtener recomendaciones precisas.";
 "loads.overview.status.missing_details.singular" = "carga";
@@ -169,6 +172,8 @@
 "battery.bank.metric.capacity" = "Capacidad";
 "battery.bank.metric.energy" = "Energía";
 "battery.overview.empty.create" = "Añadir batería";
+"battery.onboarding.title" = "Añade tu primera batería";
+"battery.onboarding.subtitle" = "Controla la capacidad y la química del banco para mantener tus tiempos de autonomía bajo control.";
 "battery.bank.badge.voltage" = "Voltaje";
 "battery.bank.badge.capacity" = "Capacidad";
 "battery.bank.badge.energy" = "Energía";

Cable/fr.lproj/Localizable.strings

@@ -147,6 +147,9 @@
 "loads.overview.empty.message" = "Ajoutez une charge pour voir les informations du système.";
 "loads.overview.empty.create" = "Ajouter une charge";
 "loads.overview.empty.library" = "Parcourir la bibliothèque";
+"loads.library.button" = "Bibliothèque";
+"loads.onboarding.title" = "Ajoutez votre premier consommateur";
+"loads.onboarding.subtitle" = "Complétez votre système avec des équipements et laissez **Cable by VoltPlan** proposer les câbles et fusibles adaptés.";
 "loads.overview.status.missing_details.title" = "Détails de charge manquants";
 "loads.overview.status.missing_details.message" = "Saisissez la longueur de câble et la section du conducteur pour %d %@ afin d'obtenir des recommandations précises.";
 "loads.overview.status.missing_details.singular" = "charge";
@@ -169,6 +172,8 @@
 "battery.bank.metric.capacity" = "Capacité";
 "battery.bank.metric.energy" = "Énergie";
 "battery.overview.empty.create" = "Ajouter une batterie";
+"battery.onboarding.title" = "Ajoutez votre première batterie";
+"battery.onboarding.subtitle" = "Suivez la capacité et la chimie de votre banc pour mieux maîtriser l'autonomie.";
 "battery.bank.badge.voltage" = "Tension";
 "battery.bank.badge.capacity" = "Capacité";
 "battery.bank.badge.energy" = "Énergie";

Cable/nl.lproj/Localizable.strings

@@ -147,6 +147,9 @@
 "loads.overview.empty.message" = "Voeg een belasting toe om systeeminformatie te zien.";
 "loads.overview.empty.create" = "Belasting toevoegen";
 "loads.overview.empty.library" = "Bibliotheek bekijken";
+"loads.library.button" = "Bibliotheek";
+"loads.onboarding.title" = "Voeg je eerste verbruiker toe";
+"loads.onboarding.subtitle" = "Bouw je systeem uit met verbruikers en laat **Cable by VoltPlan** de kabel- en zekeringadviezen verzorgen.";
 "loads.overview.status.missing_details.title" = "Ontbrekende lastdetails";
 "loads.overview.status.missing_details.message" = "Voer kabellengte en kabeldoorsnede in voor %d %@ om nauwkeurige aanbevelingen te krijgen.";
 "loads.overview.status.missing_details.singular" = "last";
@@ -169,6 +172,8 @@
 "battery.bank.metric.capacity" = "Capaciteit";
 "battery.bank.metric.energy" = "Energie";
 "battery.overview.empty.create" = "Accu toevoegen";
+"battery.onboarding.title" = "Voeg je eerste accu toe";
+"battery.onboarding.subtitle" = "Houd capaciteit en chemie van de accubank in de gaten om de gebruiksduur te beheersen.";
 "battery.bank.badge.voltage" = "Spanning";
 "battery.bank.badge.capacity" = "Capaciteit";
 "battery.bank.badge.energy" = "Energie";