Reapply "Merge pull request '리듬게임' (#5) from CatsRhythmGame into main"

This reverts commit d7d5519fbf.

Assets/02_Scripts/UI/RhythmResultHud.cs

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+using TMPro;
+using UnityEngine;
+
+// 곡 종료 후 결과창. 총점/판정수/정확도/등급/최대콤보를 표시한다.
+public class RhythmResultHud : MonoBehaviour
+{
+    [SerializeField] private RhythmManager _manager;
+    [SerializeField] private GameObject _root;        // 결과창 루트
+    [SerializeField] private TMP_Text _scoreText;
+    [SerializeField] private TMP_Text _maxComboText;
+    [SerializeField] private TMP_Text _countText;     // Perfect/Good/Bad/Miss 모아서 표시
+
+    private void Awake()
+    {
+        if (_root != null) _root.SetActive(false);
+    }
+
+    private void OnEnable()
+    {
+        if (_manager == null) return;
+        _manager.OnSongStarted += Hide;
+        _manager.OnSongFinished += Show;
+    }
+
+    private void OnDisable()
+    {
+        if (_manager == null) return;
+        _manager.OnSongStarted -= Hide;
+        _manager.OnSongFinished -= Show;
+    }
+
+    private void Hide()
+    {
+        if (_root != null) _root.SetActive(false);   // 곡 시작/재시작 시 이전 결과창 숨김
+    }
+
+    private void Show(RhythmScore score)
+    {
+        if (_scoreText != null) _scoreText.text = $"{score.Score:N0}";
+        if (_maxComboText != null) _maxComboText.text = $"{score.MaxCombo}";
+        if (_countText != null)
+            _countText.text =
+                $"Perfect  {score.PerfectCount}\n" +
+                $"Good     {score.GoodCount}\n" +
+                $"Bad      {score.BadCount}\n" +
+                $"Miss     {score.MissCount}";
+
+        if (_root != null) _root.SetActive(true);
+    }
+}

Assets/02_Scripts/UI/RhythmResultHud.cs.meta

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+fileFormatVersion: 2
+guid: b187e420986956a4ba9407759ed4050f

Assets/02_Scripts/UI/RhythmScoreHud.cs

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+using TMPro;
+using UnityEngine;
+
+// 플레이 중 실시간 점수/콤보 HUD. RhythmManager 이벤트만 구독하고 표시만 한다.
+public class RhythmScoreHud : MonoBehaviour
+{
+    [SerializeField] private RhythmManager _manager;
+    [SerializeField] private GameObject _root;     // HUD 루트 (곡 시작/종료에 켜고 끔)
+    [SerializeField] private TMP_Text _scoreText;
+    [SerializeField] private TMP_Text _comboText;
+    [SerializeField] private TMP_Text _judgeText;  // Perfect/Good 등 최근 판정 표시(선택)
+
+    private void Awake()
+    {
+        if (_root != null) _root.SetActive(false);   // 곡 시작 전엔 숨김
+    }
+
+    private void OnEnable()
+    {
+        if (_manager == null) return;
+        _manager.OnSongStarted += HandleSongStarted;
+        _manager.OnScoreChanged += HandleScoreChanged;
+        _manager.OnJudged += HandleJudged;
+        _manager.OnSongFinished += HandleSongFinished;
+    }
+
+    private void OnDisable()
+    {
+        if (_manager == null) return;
+        _manager.OnSongStarted -= HandleSongStarted;
+        _manager.OnScoreChanged -= HandleScoreChanged;
+        _manager.OnJudged -= HandleJudged;
+        _manager.OnSongFinished -= HandleSongFinished;
+    }
+
+    private void HandleSongStarted()
+    {
+        if (_root != null) _root.SetActive(true);    // 곡 시작 시 실시간 HUD 표시
+    }
+
+    private void HandleScoreChanged(RhythmScore score)
+    {
+        if (_scoreText != null) _scoreText.text = $"SCORE {score.Score:N0}";
+        if (_comboText != null) _comboText.text = score.Combo > 0 ? $"{score.Combo}" : "";
+    }
+
+    private void HandleJudged(Result result)
+    {
+        if (_judgeText != null) _judgeText.text = result.ToString();
+    }
+
+    private void HandleSongFinished(RhythmScore score)
+    {
+        if (_root != null) _root.SetActive(false);   // 곡 끝나면 실시간 HUD는 숨김(결과창이 대신 뜸)
+    }
+}

Assets/02_Scripts/UI/RhythmScoreHud.cs.meta

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+fileFormatVersion: 2
+guid: 2d2c41822c633294a986c6803818303d