多语支持

ChromeboxFanControl/AppConfig.cs

@@ -5,6 +5,8 @@ namespace ChromeboxFanControl;
 
 public sealed class AppConfig
 {
+    /// <summary>UI language: "auto" (system), "en", "zh-Hans", "zh-Hant". Restart to apply.</summary>
+    public string Language { get; set; } = "auto";
     public string EctoolPath { get; set; } = @"C:\Program Files\crosec\ectool.exe";
     public int PollIntervalMs { get; set; } = 1500;
     /// <summary>Call ectool for RPM every N control cycles (1 = every cycle).</summary>
@@ -33,7 +35,9 @@ public sealed class AppConfig
 
     public static string UserConfigPath =>
         Path.Combine(
-            Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+            Environment.UserInteractive
+                ? Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData)
+                : Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData),
             "ChromeboxFanControl",
             "config.json");
 
@@ -66,6 +70,8 @@ public sealed class AppConfig
         if (src == null)
             return;
 
+        if (!string.IsNullOrEmpty(src.Language))
+            dst.Language = src.Language;
         dst.EctoolPath = src.EctoolPath;
         dst.PollIntervalMs = Math.Clamp(src.PollIntervalMs, 250, 60_000);
         dst.FanRpmPollEveryNCycles = Math.Max(1, src.FanRpmPollEveryNCycles);