First public release v2.3.1

oAI/Views/Main/ChatView.swift

@@ -126,7 +126,12 @@ struct ChatView: View {
             )
 
             // Footer
-            FooterView(stats: viewModel.sessionStats)
+            FooterView(
+                stats: viewModel.sessionStats,
+                conversationName: viewModel.currentConversationName,
+                hasUnsavedChanges: viewModel.hasUnsavedChanges,
+                onQuickSave: viewModel.quickSave
+            )
         }
         .background(Color.oaiBackground)
         .sheet(isPresented: $viewModel.showShortcuts) {

oAI/Views/Main/ContentView.swift

@@ -46,6 +46,9 @@ struct ContentView: View {
         }
         .frame(minWidth: 640, minHeight: 400)
         #if os(macOS)
+        .onAppear {
+            NSApplication.shared.windows.forEach { $0.tabbingMode = .disallowed }
+        }
         .onKeyPress(.return, phases: .down) { press in
             if press.modifiers.contains(.command) {
                 chatViewModel.sendMessage()
@@ -157,8 +160,7 @@ struct ContentView: View {
             Button(action: { chatViewModel.showStats = true }) {
                 ToolbarLabel(title: "Stats", systemImage: "chart.bar", showLabels: showLabels, scale: scale)
             }
-            .keyboardShortcut("s", modifiers: .command)
-            .help("Session statistics (Cmd+S)")
+            .help("Session statistics")
 
             Button(action: { chatViewModel.showCredits = true }) {
                 ToolbarLabel(title: "Credits", systemImage: "creditcard", showLabels: showLabels, scale: scale)

oAI/Views/Main/FooterView.swift

@@ -27,7 +27,20 @@ import SwiftUI
 
 struct FooterView: View {
     let stats: SessionStats
-    
+    let conversationName: String?
+    let hasUnsavedChanges: Bool
+    let onQuickSave: (() -> Void)?
+
+    init(stats: SessionStats,
+         conversationName: String? = nil,
+         hasUnsavedChanges: Bool = false,
+         onQuickSave: (() -> Void)? = nil) {
+        self.stats = stats
+        self.conversationName = conversationName
+        self.hasUnsavedChanges = hasUnsavedChanges
+        self.onQuickSave = onQuickSave
+    }
+
     var body: some View {
         HStack(spacing: 20) {
             // Session summary
@@ -58,9 +71,18 @@ struct FooterView: View {
 
             Spacer()
 
+            // Save indicator (only when chat has messages)
+            if stats.messageCount > 0 {
+                SaveIndicator(
+                    conversationName: conversationName,
+                    hasUnsavedChanges: hasUnsavedChanges,
+                    onSave: onQuickSave
+                )
+            }
+
             // Shortcuts hint
             #if os(macOS)
-            Text("⌘M Model • ⌘K Clear • ⌘S Stats")
+            Text("⌘N New • ⌘M Model • ⌘⇧S Save")
                 .font(.caption2)
                 .foregroundColor(.oaiSecondary)
             #endif
@@ -77,6 +99,62 @@ struct FooterView: View {
     }
 }
 
+struct SaveIndicator: View {
+    let conversationName: String?
+    let hasUnsavedChanges: Bool
+    let onSave: (() -> Void)?
+
+    private let guiSize = SettingsService.shared.guiTextSize
+
+    private var isSaved: Bool { conversationName != nil }
+    private var isModified: Bool { isSaved && hasUnsavedChanges }
+    private var isUnsaved: Bool { !isSaved }
+
+    private var label: String {
+        if let name = conversationName {
+            return name.count > 20 ? String(name.prefix(20)) + "…" : name
+        }
+        return "Unsaved"
+    }
+
+    private var icon: String {
+        if isModified { return "circle.fill" }
+        if isSaved    { return "checkmark.circle.fill" }
+        return "exclamationmark.circle"
+    }
+
+    private var color: Color {
+        if isModified { return .orange }
+        if isSaved    { return .green }
+        return .secondary
+    }
+
+    private var tooltip: String {
+        if isModified  { return "Click to re-save \"\(conversationName ?? "")\"" }
+        if isSaved     { return "Saved — no changes" }
+        return "Not saved — use /save <name>"
+    }
+
+    var body: some View {
+        Button(action: { if isModified { onSave?() } }) {
+            HStack(spacing: 4) {
+                Image(systemName: icon)
+                    .font(.system(size: guiSize - 3))
+                    .foregroundColor(color)
+                Text(label)
+                    .font(.system(size: guiSize - 2))
+                    .foregroundColor(isUnsaved ? .secondary : .oaiPrimary)
+            }
+        }
+        .buttonStyle(.plain)
+        .help(tooltip)
+        .disabled(!isModified)
+        .opacity(isUnsaved ? 0.6 : 1.0)
+        .animation(.easeInOut(duration: 0.2), value: conversationName)
+        .animation(.easeInOut(duration: 0.2), value: hasUnsavedChanges)
+    }
+}
+
 struct FooterItem: View {
     let icon: String
     let label: String
@@ -177,14 +255,17 @@ struct SyncStatusFooter: View {
 }
 
 #Preview {
-    VStack {
+    let stats = SessionStats(
+        totalInputTokens: 1250,
+        totalOutputTokens: 3420,
+        totalCost: 0.0152,
+        messageCount: 12
+    )
+    return VStack(spacing: 0) {
         Spacer()
-        FooterView(stats: SessionStats(
-            totalInputTokens: 1250,
-            totalOutputTokens: 3420,
-            totalCost: 0.0152,
-            messageCount: 12
-        ))
+        FooterView(stats: stats, conversationName: nil, hasUnsavedChanges: true)
+        FooterView(stats: stats, conversationName: "My Project", hasUnsavedChanges: true)
+        FooterView(stats: stats, conversationName: "My Project", hasUnsavedChanges: false)
     }
     .background(Color.oaiBackground)
 }

oAI/Views/Main/MessageRow.swift

@@ -279,6 +279,9 @@ struct MessageRow: View {
     private func loadStarredState() {
         if let metadata = try? DatabaseService.shared.getMessageMetadata(messageId: message.id) {
             isStarred = metadata.user_starred == 1
+        } else {
+            // Unsaved message — use in-memory flag on the Message struct
+            isStarred = message.isStarred
         }
     }
 

oAI/Views/Screens/StatsView.swift

@@ -71,7 +71,7 @@ struct StatsView: View {
                 Section("Costs") {
                     StatRow(label: "Total Cost", value: stats.totalCostDisplay)
                     if stats.messageCount > 0 {
-                        StatRow(label: "Avg per Message", value: String(format: "$%.4f", stats.averageCostPerMessage))
+                        StatRow(label: "Avg per Message", value: stats.averageCostDisplay)
                     }
                 }