some updates

Assets/scripts/gamePlay_gameplay/InputManager.cs

@@ -143,6 +143,7 @@ public class InputManager : MonoBehaviour
     /// Begin holding a track (0-4). Called by keyboard Update on key-down and by touch
     /// regions on pointer-down. Sets the held-state table, raises OnKeyPressed with the
     /// track's bound key so event-driven tap notes keep working, and updates lane visuals.
+    /// Always fires OnKeyPressed to allow rapid same-track taps even when held.
     /// </summary>
     public void PressTrack(int index)
     {
@@ -150,12 +151,14 @@ public class InputManager : MonoBehaviour
         bool wasHeld = trackHeldCount[index] > 0;
         trackHeldCount[index]++;
 
-        if (wasHeld) return; // already held; avoid duplicate press events
-
+        // Always fire tap judgment pulse, even if already held (fixes rapid same-track taps)
         KeyCode key = cachedKeys[index];
         if (key != KeyCode.None)
             OnKeyPressed?.Invoke(key);
 
+        // Only update visuals on the first press (0→1 transition)
+        if (wasHeld) return;
+
         if (laneSprites != null && index < laneSprites.Length)
             SetSpriteAlpha(laneSprites[index], pressedAlpha);