fix(mod): complete mutual exclusion - AquaMai install removes MuMod, latestVersion respects MuMod channel

Author: clansty

MaiChartManager/Controllers/Mod/InstallationController.cs

@@ -218,6 +218,10 @@ public void InstallAquaMai()
         var src = Path.Combine(StaticSettings.exeDir, "AquaMai.dll");
         var dest = Path.Combine(StaticSettings.GamePath, @"Mods\AquaMai.dll");
         CopyFile(src, dest);
+        if (System.IO.File.Exists(ModPaths.MuModDllInstalledPath))
+        {
+            System.IO.File.Delete(ModPaths.MuModDllInstalledPath);
+        }
     }
 
     [HttpPost]
@@ -285,6 +289,10 @@ public async Task InstallAquaMaiOnline(InstallAquaMaiOnlineDto req)
             var dest = Path.Combine(StaticSettings.GamePath, @"Mods\AquaMai.dll");
             Directory.CreateDirectory(Path.GetDirectoryName(dest));
             await System.IO.File.WriteAllBytesAsync(dest, data);
+            if (System.IO.File.Exists(ModPaths.MuModDllInstalledPath))
+            {
+                System.IO.File.Delete(ModPaths.MuModDllInstalledPath);
+            }
             return;
         }
         throw new InvalidOperationException("Failed to download AquaMai from all urls", lastException);

MaiChartManager/Front/src/views/ModManager/shouldShowUpdateController.ts

@@ -41,9 +41,18 @@ export function compareVersions(v1: string, v2: string) {
 
 export const selectedChannel = useStorage<'slow' | 'ci'>('aquamai-update-channel', 'slow');
 
+// MuMod 模式：MuMod 已安装且没有冲突（两者都不存在的情况不算 MuMod 模式）
+export const isMuModMode = computed(() => {
+  return !!modInfo.value?.muModInstalled && !modInfo.value?.isBothModsPresent;
+});
+
 export const latestVersion = computed(() => {
+  // MuMod 模式下，使用 muModChannel 对应的 API type 查找最新版本
+  const effectiveChannel = isMuModMode.value
+    ? (modInfo.value?.muModChannel === 'fast' ? 'ci' : 'slow')
+    : selectedChannel.value;
   const defaultVersionInfo =
-    modUpdateInfo.value?.find(it => it.type === selectedChannel.value) ||
+    modUpdateInfo.value?.find(it => it.type === effectiveChannel) ||
     modUpdateInfo.value?.find(it => it.default) ||
     modUpdateInfo.value?.[0] || { type: 'builtin' };
   if (defaultVersionInfo.type === "builtin") {
@@ -52,9 +61,9 @@ export const latestVersion = computed(() => {
       type: 'builtin',
     };
   }
-  let latestVersion = defaultVersionInfo.version!;
+  let latestVersionStr = defaultVersionInfo.version!;
   let builtinVersion = modInfo.value!.bundledAquaMaiVersion!;
-  if (compareVersions(latestVersion, builtinVersion) < 0) {
+  if (compareVersions(latestVersionStr, builtinVersion) < 0) {
     return {
       version: builtinVersion,
       type: 'builtin',
@@ -63,11 +72,6 @@ export const latestVersion = computed(() => {
   return defaultVersionInfo;
 })
 
-// MuMod 模式：MuMod 已安装且没有冲突（两者都不存在的情况不算 MuMod 模式）
-export const isMuModMode = computed(() => {
-  return !!modInfo.value?.muModInstalled && !modInfo.value?.isBothModsPresent;
-});
-
 export const shouldShowUpdate = computed(() => {
   if (isMuModMode.value) {
     // MuMod 模式下：比较缓存版本和最新版本