0.5.20

我认为很稳定了，后面就要开始弄插件不稳定了

LanMountainDesktop/Services/UiExceptionGuard.cs

@@ -0,0 +1,80 @@
+using System;
+using System.Threading.Tasks;
+
+namespace LanMountainDesktop.Services;
+
+internal static class UiExceptionGuard
+{
+    public static bool IsFatalException(Exception? exception)
+    {
+        return exception is OutOfMemoryException or AccessViolationException or StackOverflowException;
+    }
+
+    public static void FireAndForgetGuarded(
+        Func<Task> action,
+        string actionName,
+        string? context = null,
+        Func<Exception, Task>? onHandledException = null)
+    {
+        _ = RunGuardedUiActionAsync(action, actionName, context, onHandledException);
+    }
+
+    public static async Task RunGuardedUiActionAsync(
+        Func<Task> action,
+        string actionName,
+        string? context = null,
+        Func<Exception, Task>? onHandledException = null)
+    {
+        ArgumentNullException.ThrowIfNull(action);
+
+        try
+        {
+            await action();
+        }
+        catch (Exception ex) when (!IsFatalException(ex))
+        {
+            LogHandledException("GuardedUiAction", actionName, ex, context, isFatal: false);
+            if (onHandledException is not null)
+            {
+                try
+                {
+                    await onHandledException(ex);
+                }
+                catch (Exception handlerEx) when (!IsFatalException(handlerEx))
+                {
+                    LogHandledException("GuardedUiActionHandler", actionName, handlerEx, context, isFatal: false);
+                }
+            }
+        }
+    }
+
+    public static string BuildContext(params (string Key, object? Value)[] parts)
+    {
+        if (parts is null || parts.Length == 0)
+        {
+            return string.Empty;
+        }
+
+        return string.Join(
+            "; ",
+            Array.ConvertAll(parts, part => $"{part.Key}={part.Value ?? "<null>"}"));
+    }
+
+    private static void LogHandledException(
+        string category,
+        string actionName,
+        Exception exception,
+        string? context,
+        bool isFatal)
+    {
+        var message =
+            $"Action={actionName}; ExceptionType={exception.GetType().FullName}; IsFatal={isFatal}; Context={context ?? string.Empty}";
+        if (isFatal)
+        {
+            AppLogger.Critical(category, message, exception);
+            return;
+        }
+
+        AppLogger.Warn(category, message, exception);
+    }
+}