修复若干问题，主要是Linux适配引起的回归问题

MaiChartManager/Controllers/App/AppVersionController.cs

@@ -8,16 +8,24 @@ namespace MaiChartManager.Controllers.App;
 public class AppVersionController(StaticSettings settings, ILogger<AppVersionController> logger) : ControllerBase
 {
 #if WINDOWS
-    public record AppVersionResult(string Version, int GameVersion, IapManager.LicenseStatus License, VideoConvert.HardwareAccelerationStatus HardwareAcceleration, string H264Encoder, string Locale);
+    public record AppVersionResult(string Version, int GameVersion, IapManager.LicenseStatus License, VideoConvert.HardwareAccelerationStatus HardwareAcceleration, string H264Encoder, string Locale, string Platform, bool Export);
 
     [HttpGet]
     public AppVersionResult GetAppVersion()
     {
-        return new AppVersionResult(Application.ProductVersion, settings.gameVersion, IapManager.License, VideoConvert.HardwareAcceleration, VideoConvert.H264Encoder, StaticSettings.CurrentLocale);
+        return new AppVersionResult(
+            Application.ProductVersion,
+            settings.gameVersion,
+            IapManager.License,
+            VideoConvert.HardwareAcceleration,
+            VideoConvert.H264Encoder,
+            StaticSettings.CurrentLocale,
+            OperatingSystem.IsWindows() ? "Windows" : "Linux",
+            StaticSettings.Config.Export);
     }
 #else
     public enum LicenseStatus { Pending, Active, Inactive }
-    public record AppVersionResult(string Version, int GameVersion, LicenseStatus License, VideoConvert.HardwareAccelerationStatus HardwareAcceleration, string H264Encoder, string Locale);
+    public record AppVersionResult(string Version, int GameVersion, LicenseStatus License, VideoConvert.HardwareAccelerationStatus HardwareAcceleration, string H264Encoder, string Locale, string Platform, bool Export);
 
     [HttpGet]
     public AppVersionResult GetAppVersion()
@@ -29,7 +37,15 @@ public AppVersionResult GetAppVersion()
         var info = (System.Reflection.AssemblyInformationalVersionAttribute?)System.Attribute
             .GetCustomAttribute(asm, typeof(System.Reflection.AssemblyInformationalVersionAttribute));
         var version = info?.InformationalVersion?.Split('+')[0] ?? "linux";
-        return new AppVersionResult(version, settings.gameVersion, LicenseStatus.Active, VideoConvert.HardwareAcceleration, VideoConvert.H264Encoder, StaticSettings.CurrentLocale);
+        return new AppVersionResult(
+            version,
+            settings.gameVersion,
+            LicenseStatus.Active,
+            VideoConvert.HardwareAcceleration,
+            VideoConvert.H264Encoder,
+            StaticSettings.CurrentLocale,
+            OperatingSystem.IsWindows() ? "Windows" : "Linux",
+            StaticSettings.Config.Export);
     }
 #endif
 }

MaiChartManager/Controllers/AssetDir/ImportBrowseController.cs

@@ -23,7 +23,7 @@ public record ImportDirEntry(string Name, string Path, bool IsDirectory);
     public ActionResult<string?> PickImportFolder()
     {
         // 仅本地桌面场景，export / 远程模式下禁止
-        if (StaticSettings.Config.Export) return Forbid();
+        if (StaticSettings.Config.Export) return StatusCode(StatusCodes.Status403Forbidden); // 如果直接 return Forbid(); 的话，会由于框架内部的某些authentication scheme机制造成抛异常，导致500
         var path = dialogService.PickFolder();
         logger.LogInformation("PickImportFolder: {path}", path);
         // 取消时 PickFolder 返回 null，这里原样返回（前端按取消处理）
@@ -35,7 +35,7 @@ public record ImportDirEntry(string Name, string Path, bool IsDirectory);
     public ActionResult<IEnumerable<ImportDirEntry>> ListImportDir([FromQuery] string path)
     {
         // 仅本地桌面场景，export / 远程模式下禁止
-        if (StaticSettings.Config.Export) return Forbid();
+        if (StaticSettings.Config.Export) return StatusCode(StatusCodes.Status403Forbidden);
         if (string.IsNullOrEmpty(path) || !Directory.Exists(path))
         {
             return Ok(Array.Empty<ImportDirEntry>());
@@ -64,7 +64,7 @@ public ActionResult<IEnumerable<ImportDirEntry>> ListImportDir([FromQuery] strin
     public IActionResult ReadImportFile([FromQuery] string path, [FromQuery] string? name = null)
     {
         // 仅本地桌面场景，export / 远程模式下禁止
-        if (StaticSettings.Config.Export) return Forbid();
+        if (StaticSettings.Config.Export) return StatusCode(StatusCodes.Status403Forbidden);
         var fullPath = string.IsNullOrEmpty(name) ? path : Path.Combine(path, name);
         if (string.IsNullOrEmpty(fullPath) || !System.IO.File.Exists(fullPath))
         {

MaiChartManager/Front/src/client/api.ts

@@ -43,9 +43,12 @@ export const getUrl = (suffix: string) => {
   return `${base}/MaiChartManagerServlet/${suffix}`;
 }
 
-// 是否运行在 Photino(WebKitGTK) 宿主：本地宿主但不是 Windows WebView2。
-// WebKitGTK 不支持 window.open 弹新窗口，需要走后端用系统浏览器打开。
-export const isPhotino = isLocalHost && !isWebView;
+// 是否运行在 Photino(WebKitGTK) 宿主。
+// 不能仅用 isLocalHost && !isWebView：因为Export 模式下用本机浏览器访问 localhost 也满足该条件。
+// Photino 暴露 window.external.sendMessage（见 PreviewChartButton），普通浏览器没有。
+export const isPhotino =
+  isLocalHost && !isWebView &&
+  typeof (window as any).external?.sendMessage === 'function';
 
 // 用系统浏览器打开一个 http/https URL（后端 xdg-open 等）。
 // 给 Photino 用：WebKitGTK 弹不出 window.open 的新窗口，预览谱面等改为外部浏览器打开。

MaiChartManager/Front/src/client/apiGen.ts

@@ -17,6 +17,14 @@ export enum VerifyStatus {
   Valid = "Valid",
 }
 
+export enum StorePurchaseStatus {
+  Succeeded = "Succeeded",
+  AlreadyPurchased = "AlreadyPurchased",
+  NotPurchased = "NotPurchased",
+  NetworkError = "NetworkError",
+  ServerError = "ServerError",
+}
+
 export enum ShiftMethod {
   Legacy = "Legacy",
   Bar = "Bar",
@@ -70,6 +78,8 @@ export interface AppVersionResult {
   hardwareAcceleration?: HardwareAccelerationStatus;
   h264Encoder?: string | null;
   locale?: string | null;
+  platform?: string | null;
+  export?: boolean;
 }
 
 export interface AudioPreviewTime {
@@ -385,8 +395,7 @@ export interface RequestExportMaidataRequest {
 
 export interface RequestPurchaseResult {
   errorMessage?: string | null;
-  /** @format int32 */
-  status?: number;
+  status?: StorePurchaseStatus;
 }
 
 export interface Section {

MaiChartManager/Front/src/views/Charts/ImportCreateChartButton/ImportChartButton/ErrorDisplayIdInput.tsx

@@ -2,7 +2,7 @@ import { computed, defineComponent, PropType, useId, watch } from "vue";
 import { Button, CheckBox, Modal, NumberInput, Popover, Section, Select } from "@munet/ui";
 import type { ImportChartMessageEx, ImportMeta, SavedOptions, TempOptions } from "./types";
 import noJacket from '@/assets/noJacket.webp';
-import { addVersionList, genreList, showNeedPurchaseDialog } from "@/store/refs";
+import { addVersionList, genreList, showNeedPurchaseDialog, version } from "@/store/refs";
 import GenreInput from "@/components/GenreInput";
 import VersionInput from "@/components/VersionInput";
 import { UTAGE_GENRE } from "@/consts";
@@ -76,15 +76,15 @@ export default defineComponent({
             </CheckBox>
             <Section title={t('chart.import.option.advancedOptions')}>
                 <ShiftModeSelector tempOptions={props.tempOptions}></ShiftModeSelector>
-                <div class="flex items-center gap-1" style="margin-top: 0.25rem">
+                {version.value?.platform === 'Windows' && <div class="flex items-center gap-1" style="margin-top: 0.25rem">
                   <CheckBox v-model:value={props.tempOptions.ignoreGapless}>{t('chart.import.option.ignoreGapless')}</CheckBox>
                   <Popover trigger="hover">
                     {{
                       trigger: () => <div class="i-material-symbols:info-outline-rounded op-50"/>,
                       default: () => <div class="max-w-60">{t('chart.import.option.ignoreGaplessTip')}</div>
                     }}
                   </Popover>
-                </div>
+                </div>}
             </Section>
         </>}
       </div>,

MaiChartManager/Front/src/views/Charts/ImportCreateChartButton/ImportChartButton/importErrors.ts

@@ -33,6 +33,4 @@ export const getCaptureTarget = (errorValue: unknown): unknown => {
   return errorValue.error;
 };
 
-export const isAbortError = (errorValue: unknown): boolean =>
-  errorValue instanceof DOMException && errorValue.name === "AbortError" ||
-  errorValue instanceof Error && errorValue.name === "AbortError";
+export const isAbortError = (errorValue: any): boolean => errorValue?.name === "AbortError"

MaiChartManager/Locale.resx

@@ -199,7 +199,7 @@ If you notice any issues with the conversion result, you can try testing it in A
     <value>A chart with difficulty {0} will be ignored</value>
   </data>
     <data name="MusicNoCharts" xml:space="preserve">
-    <value>Music has no charts</value>
+    <value>Music has no valid charts</value>
   </data>
     <data name="ChartInvalidMeasure" xml:space="preserve">
     <value>Chart difficulty {0} contains {1}-note division, this value cannot exceed 384. Most cases can be fixed by modifying the chart</value>

MaiChartManager/Locale.zh-Hans.resx

@@ -191,7 +191,7 @@
     <value>有一个难度为 {0} 的谱面将被忽略</value>
   </data>
     <data name="MusicNoCharts" xml:space="preserve">
-    <value>乐曲没有谱面</value>
+    <value>乐曲中没有有效的谱面</value>
   </data>
     <data name="ChartInvalidMeasure" xml:space="preserve">
     <value>谱面难度 {0} 存在 {1} 分音符，这个数值不能大于 384。绝大多数这样的情况都是可以修改谱面解决的</value>

MaiChartManager/Locale.zh-Hant.resx

@@ -191,7 +191,7 @@
     <value>有一個難度為 {0} 的譜面將被忽略</value>
   </data>
     <data name="MusicNoCharts" xml:space="preserve">
-    <value>樂曲沒有譜面</value>
+    <value>樂曲中沒有有效的譜面</value>
   </data>
     <data name="ChartInvalidMeasure" xml:space="preserve">
     <value>譜面難度 {0} 存在 {1} 分音符，這個數值不能大於 384。絕大多數這樣的情況都是可以修改譜面解決的</value>

MaiChartManager/Utils/Audio.cs

@@ -67,9 +67,11 @@ public static Stream ConvertToWav(Stream src, string extension, float padding =
         using WaveStream reader = extension switch
         {
             ".ogg" => new NAudio.Vorbis.VorbisWaveReader(src, true),
-            ".mp3" when !forceUseNAudio => new WaveFileReader(ConvertToWavViaFfmpeg(src, ".mp3")), // 默认情况下，优先使用ffmpeg
-            // WAV / WMA / AAC（以及 MP3+forceUseNAudio 的兼容模式）原本走 Windows-only 的 MediaFoundation，
-            // 跨平台改为用 ffmpeg 把任意输入解码成 16bit PCM wav，再用 NAudio WaveFileReader 读取。
+            // MP3 兼容模式（ignoreGapless）：仅在 Windows 上用 MediaFoundation 解码，
+            // 这会忽略 MP3 Gapless 元数据，从而表现与 Visual Maimai 等软件一致的行为。
+            // Linux 上无 MediaFoundation，因此兼容模式不可用（不管开不开启兼容模式，都一定会落到下面的ffmpeg逻辑中）
+            ".mp3" when forceUseNAudio && SupportsMp3CompatibilityMode => new StreamMediaFoundationReader(src),
+            // 一般情况（MP3 默认、WAV、WMA、AAC 等）：走 ffmpeg 解码为 16bit PCM wav。
             _ => new WaveFileReader(ConvertToWavViaFfmpeg(src, extension)),
         };
         // 关于上述MP3 Gapless问题的影响等具体讨论，详见 https://github.com/MuNET-OSS/MaiChartManager/issues/40
@@ -99,16 +101,21 @@ public static Stream ConvertToWav(Stream src, string extension, float padding =
         stream.Position = 0;
         return stream;
     }
+
+    /// <summary>MP3 兼容模式（ignoreGapless）依赖 Windows MediaFoundation，Linux 上不可用。</summary>
+    public static bool SupportsMp3CompatibilityMode => OperatingSystem.IsWindows();
 
     // 用 ffmpeg 把任意输入流（按 ext 写到临时文件）解码成 16bit PCM wav，返回 wav 的内存流。
     // 替代 Windows-only 的 MediaFoundation，跨平台可用（系统 ffmpeg 已配好）。
     private static MemoryStream ConvertToWavViaFfmpeg(Stream src, string ext)
     {
-        var tempFileGuid = Guid.NewGuid();
         // ext 形如 ".mp3"/".wav"/".aac" 等；去掉前导点用作临时输入文件后缀
         var inputExt = string.IsNullOrEmpty(ext) ? "" : (ext.StartsWith('.') ? ext : "." + ext);
+
+        var tempFileGuid = Guid.NewGuid();
+        // 输入/输出须用不同文件名，以防输入也是 .wav时，输入输出相同文件名导致报错。
         var inputPath = Path.Combine(StaticSettings.tempPath, $"ConvertToWav_{tempFileGuid:N}{inputExt}");
-        var outputPath = Path.Combine(StaticSettings.tempPath, $"ConvertToWav_{tempFileGuid:N}.wav");
+        var outputPath = Path.Combine(StaticSettings.tempPath, $"ConvertToWav_{tempFileGuid:N}_out.wav");
         try
         {
             Directory.CreateDirectory(StaticSettings.tempPath);

MaiChartManager/Utils/ImageConvert.cs

@@ -23,31 +23,40 @@ public static class ImageConvert
     public static byte[]? GetTextureAsPngData(string inputAbPath)
     {
         var am = new AssetsManager();
-        var bunInst = am.LoadBundleFile(inputAbPath, true);
-        var afileInst = am.LoadAssetsFileFromBundle(bunInst, 0, false);
-
-        foreach (var info in afileInst.file.Metadata.AssetInfos)
+        BundleFileInstance? bunInst = null;
+        try
         {
-            var baseField = am.GetBaseField(afileInst, info);
-            if (baseField.IsDummy || baseField.TypeName != "Texture2D") continue;
+            bunInst = am.LoadBundleFile(inputAbPath, true);
+            var afileInst = am.LoadAssetsFileFromBundle(bunInst, 0, false);
+
+            foreach (var info in afileInst.file.Metadata.AssetInfos)
+            {
+                var baseField = am.GetBaseField(afileInst, info);
+                if (baseField.IsDummy || baseField.TypeName != "Texture2D") continue;
 
-            var tex = TextureFile.ReadTextureFile(baseField);
-            // 从 bundle 内解析贴图像素数据：同时覆盖 inline "image data" 与 bundle 内部的 .resS streamData。
-            // 游戏原始封面的像素数据存在 bundle 内部的 .resS 里，必须用 bundle 解析，
-            // 不能只读文件系统目录（之前用 FillPictureData(目录) 会导致原始封面解析失败、接口返回 404）。
-            tex.SetPictureDataFromBundle(bunInst);
-            if (tex.pictureData is null || tex.pictureData.Length == 0) return null;
+                var tex = TextureFile.ReadTextureFile(baseField);
+                // 从 bundle 内解析贴图像素数据：同时覆盖 inline "image data" 与 bundle 内部的 .resS streamData。
+                // 游戏原始封面的像素数据存在 bundle 内部的 .resS 里，必须用 bundle 解析，
+                // 不能只读文件系统目录（之前用 FillPictureData(目录) 会导致原始封面解析失败、接口返回 404）。
+                tex.SetPictureDataFromBundle(bunInst);
+                if (tex.pictureData is null || tex.pictureData.Length == 0) return null;
 
-            var bgra = TextureFile.DecodeManagedData(
-                tex.pictureData, (TextureFormat)tex.m_TextureFormat, tex.m_Width, tex.m_Height, true);
-            if (bgra is null || bgra.Length == 0) return null;
+                var bgra = TextureFile.DecodeManagedData(
+                    tex.pictureData, (TextureFormat)tex.m_TextureFormat, tex.m_Width, tex.m_Height, true);
+                if (bgra is null || bgra.Length == 0) return null;
 
-            using var image = Image.LoadPixelData<Bgra32>(bgra, tex.m_Width, tex.m_Height);
-            image.Mutate(x => x.Flip(FlipMode.Vertical));
-            using var ms = new MemoryStream();
-            image.SaveAsPng(ms);
-            return ms.ToArray();
+                using var image = Image.LoadPixelData<Bgra32>(bgra, tex.m_Width, tex.m_Height);
+                image.Mutate(x => x.Flip(FlipMode.Vertical));
+                using var ms = new MemoryStream();
+                image.SaveAsPng(ms);
+                return ms.ToArray();
+            }
+            return null;
+        }
+        finally
+        {
+            if (bunInst is not null)
+                am.UnloadBundleFile(bunInst);
         }
-        return null;
     }
 }

Sitreamai.slnx

@@ -19,10 +19,7 @@
   <Project Path="SonicAudioTools/Source/SonicAudioLib/SonicAudioLib.csproj">
     <BuildType Solution="Crack|*" Project="Release" />
   </Project>
-  <Project Path="XV2-Tools/LB_Common/LB_Common.csproj">
-    <BuildType Solution="Crack|*" Project="Release" />
-  </Project>
-  <Project Path="XV2-Tools/Xv2CoreLib/Xv2CoreLib.csproj">
+  <Project Path="XV2-Tools/AcbCore/AcbCore.csproj">
     <BuildType Solution="Crack|*" Project="Release" />
   </Project>
 </Solution>