fix: calibrate NAKAMAKA Expert from reported score

UPDATES.md

@@ -1,5 +1,13 @@
 ---
-updatedAt: 2026-09-02T12:21:05+09:00
+updatedAt: 2026-09-03T09:43:39+09:00
+---
+
+## 2026년 9월 3일
+
+### NAKAMAKA 실측 기반 점수 보정
+
+`DATA` NAKAMAKA Expert의 점수 계산에 제보된 실측값을 반영했습니다.
+
 ---
 
 ## 2026년 9월 2일

data/score-calibrations.json

@@ -137,6 +137,14 @@
       "measurements": [
         { "overallPower": 296408, "directSongScoreBonusPercent": 10, "normalPerfectScore": 1671 }
       ]
+    },
+    {
+      "songId": "m0144",
+      "difficulty": "expert",
+      "scoreRatio": 402.55160523186686,
+      "measurements": [
+        { "overallPower": 307769, "directSongScoreBonusPercent": 10, "normalPerfectScore": 841 }
+      ]
     }
   ]
 }

src/lib/data/exact-chart-catalog.json

@@ -3400,8 +3400,8 @@
       "difficulty": "expert",
       "difficultyLevel": 28,
       "durationSeconds": 131,
-      "scoreRatio": 427.91555767790067,
+      "scoreRatio": 402.55160523186686,
-      "scoreCalibrationSource": "local-estimated-v1",
+      "scoreCalibrationSource": "measured",
       "totalNotes": 1317,
       "singerType": "group",
       "singerCharacterIds": [