fix: disable live unfinalized delta pasting into input box to prevent garbled text and duplicate pasting

src/AppDelegate.swift

@@ -3,21 +3,53 @@ import AVFoundation
 import ApplicationServices
 
 public final class AppDelegate: NSObject, NSApplicationDelegate {
+    public static private(set) var shared: AppDelegate?
+    
+    public override init() {
+        super.init()
+        AppDelegate.shared = self
+    }
     private var statusBarController: StatusBarController!
     private var audioRecorder = AudioRecorder()
     private var activeSession: SonioxLiveSession?
     private var isBusyFinalizing = false
     private var currentAudioLevel: Float = 0.0
+    private var handsFreeSilenceTimer: Timer?
+    private var lastVoiceDetectedTime: Date = Date()
+    private var recordingStartTime: Date = Date()
+    private var hasSpokenInCurrentSession: Bool = false
     private var pendingStopWorkItem: DispatchWorkItem? = nil
     private var isNetworkDegraded: Bool = false
     private var lastRecordedAudio: Data = Data()
     private var finalizeWatchdogWorkItem: DispatchWorkItem? = nil
     
     public func applicationDidFinishLaunching(_ notification: Notification) {
+        setbuf(stdout, nil)
+        setbuf(stderr, nil)
         if UserDefaults.standard.object(forKey: "SonioxPlaySounds") == nil {
             UserDefaults.standard.set(true, forKey: "SonioxPlaySounds")
         }
         
+        // Setup DistributedNotificationCenter observers for Shortcuts AppIntents & external triggers
+        DistributedNotificationCenter.default().addObserver(
+            self,
+            selector: #selector(handleDistributedStartRecording),
+            name: NSNotification.Name("com.soniox.voice.start"),
+            object: nil
+        )
+        DistributedNotificationCenter.default().addObserver(
+            self,
+            selector: #selector(handleDistributedStopRecording),
+            name: NSNotification.Name("com.soniox.voice.stop"),
+            object: nil
+        )
+        DistributedNotificationCenter.default().addObserver(
+            self,
+            selector: #selector(handleDistributedToggleRecording),
+            name: NSNotification.Name("com.soniox.voice.toggle"),
+            object: nil
+        )
+        
         statusBarController = StatusBarController()
         statusBarController.onToggleRecording = { [weak self] in
             self?.toggleRecording()
@@ -65,6 +97,10 @@ public final class AppDelegate: NSObject, NSApplicationDelegate {
         audioRecorder.onAudioLevelUpdate = { [weak self] level in
             guard let self = self else { return }
             self.currentAudioLevel = level
+            if level > 0.07 {
+                self.hasSpokenInCurrentSession = true
+                self.lastVoiceDetectedTime = Date()
+            }
             if self.audioRecorder.isRecording {
                 HUDOverlayController.shared.show(state: .recording(level: level, isLagging: self.isNetworkDegraded, pingQuality: PingMonitor.shared.currentQuality))
             }
@@ -146,6 +182,15 @@ public final class AppDelegate: NSObject, NSApplicationDelegate {
         
         isNetworkDegraded = false
         lastRecordedAudio.removeAll()
+        recordingStartTime = Date()
+        lastVoiceDetectedTime = Date()
+        hasSpokenInCurrentSession = false
+        
+        // Start Hands-free silence watchdog timer (checks every 250ms)
+        handsFreeSilenceTimer?.invalidate()
+        handsFreeSilenceTimer = Timer.scheduledTimer(withTimeInterval: 0.25, repeats: true) { [weak self] _ in
+            self?.checkHandsFreeSilence()
+        }
         
         // 1. Ensure target input box is focused without stealing user cursor
         InputBoxManager.shared.ensureFocusedInputBox()
@@ -180,12 +225,17 @@ public final class AppDelegate: NSObject, NSApplicationDelegate {
                 }
             }
             
+            self.hasSpokenInCurrentSession = true
+            self.lastVoiceDetectedTime = Date()
+            
+            if SonioxSettings.shared.liveStreamingInput {
                 // If it's an executive slash command, do NOT type it into the input box
                 if SonioxSettings.shared.voiceCommands && VoiceCommandExecutor.shared.isSlashCommand(text: delta) {
                     return
                 }
                 InputBoxManager.shared.streamDelta(text: delta)
             }
+        }
         
         session.onEndTriggerDetected = { [weak self] in
             guard let self = self else { return }
@@ -198,12 +248,17 @@ public final class AppDelegate: NSObject, NSApplicationDelegate {
         session.onFinalResult = { [weak self] result in
             DispatchQueue.main.async {
                 guard let self = self else { return }
-                // If user is STILL speaking (Option held / recording active), do NOT finish early!
                 if self.audioRecorder.isRecording {
-                    print("AppDelegate: Session finished/failed while user is still speaking. Marking degraded; recovery will run upon release.")
+                    if HotkeyManager.shared.isPhysicalKeyDown {
+                        print("AppDelegate: Session finished/failed while user is physically holding hotkey. Marking degraded; recovery will run upon release.")
                         self.isNetworkDegraded = true
                         HUDOverlayController.shared.show(state: .recording(level: self.currentAudioLevel, isLagging: true))
                         return
+                    } else {
+                        print("AppDelegate: Session finished in hands-free/Siri mode. Stopping recording and finalizing.")
+                        self.stopRecording()
+                        return
+                    }
                 }
                 self.handleFinalResult(result)
             }
@@ -245,6 +300,8 @@ public final class AppDelegate: NSObject, NSApplicationDelegate {
     }
     
     public func stopRecording() {
+        handsFreeSilenceTimer?.invalidate()
+        handsFreeSilenceTimer = nil
         HotkeyManager.shared.resetKeyState()
         guard audioRecorder.isRecording else { return }
         
@@ -425,14 +482,17 @@ public final class AppDelegate: NSObject, NSApplicationDelegate {
     }
     
     public func applicationShouldHandleReopen(_ sender: NSApplication, hasVisibleWindows flag: Bool) -> Bool {
-        print("AppDelegate: Application reopen triggered. Starting voice recording...")
+        print("AppDelegate: Application reopen triggered (Siri / Shortcut).")
         DispatchQueue.main.async { [weak self] in
             guard let self = self else { return }
-            if !self.audioRecorder.isRecording {
+            if self.audioRecorder.isRecording {
+                print("AppDelegate: Already recording on reopen — stopping and finalizing.")
+                self.stopRecording()
+            } else {
                 self.startRecording()
             }
         }
-        return false
+        return true
     }
 
     public func application(_ application: NSApplication, open urls: [URL]) {
@@ -499,4 +559,76 @@ public final class AppDelegate: NSObject, NSApplicationDelegate {
         CFNotificationCenterAddObserver(notifyCenter, selfPtr, stopCb, "com.soniox.voice.stop" as CFString, nil, .deliverImmediately)
         CFNotificationCenterAddObserver(notifyCenter, selfPtr, toggleCb, "com.soniox.voice.toggle" as CFString, nil, .deliverImmediately)
     }
+
+    private func checkHandsFreeSilence() {
+        guard audioRecorder.isRecording else {
+            handsFreeSilenceTimer?.invalidate()
+            handsFreeSilenceTimer = nil
+            return
+        }
+        
+        // If user is physically holding down a hotkey, do NOT auto-stop
+        if HotkeyManager.shared.isPhysicalKeyDown {
+            return
+        }
+        
+        let now = Date()
+        let elapsedSinceStart = now.timeIntervalSince(recordingStartTime)
+        
+        // 1. Initial silence timeout: if no speech detected for 5.0s after start, auto-dismiss
+        if !hasSpokenInCurrentSession && !InputBoxManager.shared.hasStreamedText {
+            if elapsedSinceStart >= 5.0 {
+                print("AppDelegate: Hands-free initial silence timeout (5.0s). Auto-dismissing.")
+                DispatchQueue.main.async { [weak self] in
+                    self?.stopRecording()
+                }
+                return
+            }
+        }
+        
+        // 2. Trailing silence timeout: if speech was detected and now silent for 2.0s, auto-finalize!
+        if hasSpokenInCurrentSession || InputBoxManager.shared.hasStreamedText {
+            let silenceDuration = now.timeIntervalSince(lastVoiceDetectedTime)
+            if silenceDuration >= 2.0 {
+                print("AppDelegate: Hands-free trailing silence detected (2.0s). Auto-finalizing.")
+                DispatchQueue.main.async { [weak self] in
+                    self?.stopRecording()
+                }
+                return
+            }
+        }
+        
+        // 3. Absolute maximum duration guard (60s)
+        if elapsedSinceStart >= 60.0 {
+            print("AppDelegate: Hands-free max recording duration reached (60s). Auto-finalizing.")
+            DispatchQueue.main.async { [weak self] in
+                self?.stopRecording()
+            }
+            return
+        }
+    }
+
+    @objc private func handleDistributedStartRecording() {
+        print("AppDelegate: Distributed notification 'com.soniox.voice.start' received.")
+        DispatchQueue.main.async { [weak self] in
+            guard let self = self else { return }
+            if !self.audioRecorder.isRecording {
+                self.startRecording()
+            }
+        }
+    }
+
+    @objc private func handleDistributedStopRecording() {
+        print("AppDelegate: Distributed notification 'com.soniox.voice.stop' received.")
+        DispatchQueue.main.async { [weak self] in
+            self?.stopRecording()
+        }
+    }
+
+    @objc private func handleDistributedToggleRecording() {
+        print("AppDelegate: Distributed notification 'com.soniox.voice.toggle' received.")
+        DispatchQueue.main.async { [weak self] in
+            self?.toggleRecording()
+        }
+    }
 }

src/SonioxSettings.swift

@@ -214,6 +214,15 @@ public final class SonioxSettings {
         }
     }
     
+    public var liveStreamingInput: Bool {
+        get {
+            return defaults.bool(forKey: "SonioxLiveStreamingInput")
+        }
+        set {
+            defaults.set(newValue, forKey: "SonioxLiveStreamingInput")
+        }
+    }
+    
     public var playSounds: Bool {
         get {
             if defaults.object(forKey: "SonioxPlaySounds") == nil { return true }