v1.2.0: 重构为插件+独立Manager架构，横版UI，精确保留文本框边距的文档转换

Manager/Services/InkSettings.cs

@@ -0,0 +1,44 @@
+using System.IO;
+using System.Text.Json;
+
+namespace BetterSeewo.Manager.Services
+{
+    public class InkSettings
+    {
+        private static readonly string SettingsPath = Path.Combine(
+            System.Environment.GetFolderPath(System.Environment.SpecialFolder.LocalApplicationData),
+            "BetterEN5", "ink-settings.json");
+
+        public bool AutoSaveEnabled { get; set; } = false;
+        public int AutoSaveIntervalMinutes { get; set; } = 5;
+        public string SaveDirectory { get; set; } = Path.Combine(
+            System.Environment.GetFolderPath(System.Environment.SpecialFolder.MyDocuments),
+            "Better-Seewo", "Ink");
+
+        public static InkSettings Load()
+        {
+            try
+            {
+                if (File.Exists(SettingsPath))
+                {
+                    var json = File.ReadAllText(SettingsPath);
+                    return JsonSerializer.Deserialize<InkSettings>(json) ?? new InkSettings();
+                }
+            }
+            catch { }
+            return new InkSettings();
+        }
+
+        public void Save()
+        {
+            try
+            {
+                var dir = Path.GetDirectoryName(SettingsPath);
+                if (!string.IsNullOrEmpty(dir) && !Directory.Exists(dir))
+                    Directory.CreateDirectory(dir);
+                File.WriteAllText(SettingsPath, JsonSerializer.Serialize(this, new JsonSerializerOptions { WriteIndented = true }));
+            }
+            catch { }
+        }
+    }
+}