feat: 导入宴谱时，添加对于utageKanji的支持

Starrah · Starrah · commit aec66c8f775e · 2026-03-21T14:59:15.000+08:00
diff --git a/MaiChartManager/Services/MaidataImportService.cs b/MaiChartManager/Services/MaidataImportService.cs
@@ -380,6 +380,11 @@ public ImportChartResult ImportMaidata(
             var levelNumStr = maiData.GetValueOrDefault($"lv_{level}");
             if (!string.IsNullOrWhiteSpace(levelNumStr))
             {
+                if (isUtage && !char.IsDigit(levelNumStr[0]))
+                {
+                    music.UtageKanji = levelNumStr;
+                    levelNumStr = levelNumStr.Substring(1).Replace("?", ""); // 为了处理类似“奏13+?”这种情况，留下13+给后面的逻辑处理
+                }
                 levelNumStr = levelNumStr.Replace("+", ".7");
             }
 

Original file line number	Diff line number	Diff line change
`@@ -380,6 +380,11 @@ public ImportChartResult ImportMaidata(`
`380`	`380`	`var levelNumStr = maiData.GetValueOrDefault($"lv_{level}");`
`381`	`381`	`if (!string.IsNullOrWhiteSpace(levelNumStr))`
`382`	`382`	`{`
	`383`	`+ if (isUtage && !char.IsDigit(levelNumStr[0]))`
	`384`	`+ {`
	`385`	`+ music.UtageKanji = levelNumStr;`
	`386`	`+ levelNumStr = levelNumStr.Substring(1).Replace("?", ""); // 为了处理类似“奏13+?”这种情况，留下13+给后面的逻辑处理`
	`387`	`+ }`
`383`	`388`	`levelNumStr = levelNumStr.Replace("+", ".7");`
`384`	`389`	`}`
`385`	`390`