v5.7-patch1

frontend/src/lib/settings.ts

@@ -12,6 +12,15 @@ export interface Settings {
   operatingSystem: "Windows" | "linux/MacOS"
 }
 
+// Auto-detect operating system
+function detectOS(): "Windows" | "linux/MacOS" {
+  const platform = window.navigator.platform.toLowerCase();
+  if (platform.includes('win')) {
+    return "Windows";
+  }
+  return "linux/MacOS";
+}
+
 export const DEFAULT_SETTINGS: Settings = {
   downloadPath: "",
   downloader: "auto",
@@ -21,7 +30,7 @@ export const DEFAULT_SETTINGS: Settings = {
   artistSubfolder: false,
   albumSubfolder: false,
   trackNumber: false,
-  operatingSystem: "Windows"
+  operatingSystem: detectOS()
 };
 
 async function fetchDefaultPath(): Promise<string> {
@@ -46,6 +55,8 @@ export function getSettings(): Settings {
         parsed.themeMode = parsed.darkMode ? 'dark' : 'light';
         delete parsed.darkMode;
       }
+      // Always use detected OS (don't persist it)
+      parsed.operatingSystem = detectOS();
       return { ...DEFAULT_SETTINGS, ...parsed };
     }
   } catch (error) {

frontend/src/lib/utils.ts

@@ -18,11 +18,23 @@ export function sanitizePath(input: string, os: string): string {
 
 export function joinPath(os: string, ...parts: string[]): string {
   const sep = os === "Windows" ? "\\" : "/";
-
-  return parts
-    .filter(Boolean)
-    .map(p => p.replace(/^[/\\]+|[/\\]+$/g, ""))
+  
+  const filtered = parts.filter(Boolean);
+  if (filtered.length === 0) return "";
+  
+  const joined = filtered
+    .map((p, i) => {
+      // For first part, only remove trailing slashes (preserve leading slash for absolute paths)
+      if (i === 0) {
+        return p.replace(/[/\\]+$/g, "");
+      }
+      // For other parts, remove both leading and trailing slashes
+      return p.replace(/^[/\\]+|[/\\]+$/g, "");
+    })
+    .filter(Boolean) // Remove empty strings after trimming
     .join(sep);
+  
+  return joined;
 }
 
 export function buildOutputPath(settings: Settings, folder?: string) {