* GenericVibration: code style refactor

src/helpers/ui/GenericVibration.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#ifdef PIN_VIBRATION
+
+#include <Arduino.h>
+
+/*
+ * Vibration motor control class
+ *
+ * Provides vibration feedback for events like new messages and new contacts
+ * Features:
+ * - 1-second vibration pulse
+ * - 5-second nag timeout (cooldown between vibrations)
+ * - Non-blocking operation
+ */
+
+#ifndef VIBRATION_TIMEOUT
+#define VIBRATION_TIMEOUT 5000 // 5 seconds default
+#endif
+
+class GenericVibration {
+public:
+  void begin();       // set up vibration pin
+  void trigger();     // trigger vibration if cooldown has passed
+  void loop();        // non-blocking timer handling
+  bool isVibrating(); // returns true if currently vibrating
+  void stop();        // stop vibration immediately
+
+private:
+  unsigned long duration;
+};
+
+#endif // ifdef PIN_VIBRATION