Fix/stability and mute

engine.py

@@ -52,23 +52,24 @@ def __init__(self):
     def mute_pc(self, mute=True):
         if sys.platform != 'win32': return
 
-        # --- NEW WAY: Hardware Virtual Keys ---
-        # 0xAD is VK_VOLUME_MUTE. We simulate a physical key press.
-        # This bypasses all library/COM/object errors because it's at the OS input level.
-        VK_VOLUME_MUTE = 0xAD
-
         try:
-            # We use keybd_event to send the MUTE command directly to the Windows shell
-            # This is exactly what happens when you press the 'Mute' button on your keyboard.
-            ctypes.windll.user32.keybd_event(VK_VOLUME_MUTE, 0, 0, 0) # Press
-            ctypes.windll.user32.keybd_event(VK_VOLUME_MUTE, 0, 2, 0) # Release
+            CoInitialize()
+            speakers = AudioUtilities.GetSpeakers()
+            if speakers:
+                volume = speakers.EndpointVolume
+                # Absolute mute
+                volume.SetMute(1 if mute else 0, None)
+            # state = "ON" if mute else "OFF"
+            # print(f"DEBUG: Absolute Mute (pycaw): {state}", file=sys.stderr)
 
-            if mute:
-                print("DEBUG: Hardware Mute Toggled (ON)", file=sys.stderr)
-            else:
-                print("DEBUG: Hardware Mute Toggled (OFF)", file=sys.stderr)
+            # Clean up COM
+            CoUninitialize()
         except Exception as e:
-            print(f"DEBUG: Hardware Mute failed: {e}", file=sys.stderr)
+            print(f"DEBUG: Absolute Mute failed: {e}", file=sys.stderr)
+            # Fallback to older toggle way if pycaw fails
+            VK_VOLUME_MUTE = 0xAD
+            ctypes.windll.user32.keybd_event(VK_VOLUME_MUTE, 0, 0, 0)
+            ctypes.windll.user32.keybd_event(VK_VOLUME_MUTE, 0, 2, 0)
 
     def _load_model(self):
         self.log("status", {"text": f"Pace AI Warming Up ({self.model_size})..."})

main.js

@@ -220,8 +220,13 @@ function startPythonEngine() {
     console.error(`Python Engine Error: ${data}`);
   });
 
+  let stdoutBuffer = '';
   pythonProcess.stdout.on('data', (data) => {
-    data.toString().split('\n').forEach(line => {
+    stdoutBuffer += data.toString();
+    let lines = stdoutBuffer.split('\n');
+    stdoutBuffer = lines.pop(); // Keep the last incomplete line
+
+    lines.forEach(line => {
       if (!line.trim()) return;
       try {
         const json = JSON.parse(line);
@@ -235,7 +240,9 @@ function startPythonEngine() {
         }
 
         if (mainWindow) mainWindow.webContents.send('engine-msg', json);
-      } catch (e) {}
+      } catch (e) {
+        console.error('JSON Parse Error:', e, 'on line:', line);
+      }
     });
   });
 

requirements.txt

@@ -3,3 +3,4 @@ PyAudio
 numpy
 keyboard
 pygame
+pyperclip