Attempt to fix the bug where Fenrir freezes the computer solid if it manages to start before sound is ready. It shuld at least release the keyboard now.

src/fenrirscreenreader/core/inputDriver.py

@@ -42,6 +42,25 @@ class inputDriver():
         if not self._initialized:
             return True
         return True
+
+    def forceUngrab(self):
+        """Emergency method to release grabbed devices in case of failure"""
+        if not self._initialized:
+            return True
+        try:
+            # Try standard ungrab first
+            return self.ungrabAllDevices()
+        except Exception as e:
+            # Just log the failure and inform the user
+            if hasattr(self, 'env') and 'runtime' in self.env and 'debug' in self.env['runtime']:
+                self.env['runtime']['debug'].writeDebugOut(
+                    f"Emergency device release failed: {str(e)}", 
+                    debug.debugLevel.ERROR
+                )
+            else:
+                print(f"Emergency device release failed: {str(e)}")
+        return False
+
     def hasIDevices(self):
         if not self._initialized:
             return False