feat: Claude Code 原生 Windows 通知（C# / .NET 10 + Avalonia 12）

为 Claude Code 提供原生 Windows toast 通知：点击跳回原窗口、切回 Windows Terminal 标签、跨虚拟桌面、调用方图标、非阻塞投递；NativeAOT 单文件分发。
2026-06-22 18:05:15 +08:00
commit 5ce2c8a982
53 changed files with 3889 additions and 0 deletions
@@ -0,0 +1,67 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Text.Json;
+using Notify.Models;
+using Notify.Serialization;
+
+namespace Notify.Services;
+
+/// <summary>
+/// 每会话状态文件的读写，位于 %TEMP%\claude-notify-{session_id}.json
+/// </summary>
+public static class StateStore
+{
+    private static string FilePath(string sessionId) =>
+        Path.Combine(Path.GetTempPath(), $"claude-notify-{Sanitize(sessionId)}.json");
+
+    public static void Save(string sessionId, StateData data)
+    {
+        try
+        {
+            File.WriteAllText(FilePath(sessionId), JsonSerializer.Serialize(data, AppJsonContext.Default.StateData));
+        }
+        catch
+        {
+            // 落盘失败不致命
+        }
+    }
+
+    public static StateData? Load(string sessionId)
+    {
+        try
+        {
+            var path = FilePath(sessionId);
+            if (File.Exists(path))
+            {
+                return JsonSerializer.Deserialize(File.ReadAllText(path), AppJsonContext.Default.StateData);
+            }
+        }
+        catch
+        {
+            // 损坏或不可读则当作无状态
+        }
+
+        return null;
+    }
+
+    public static void Delete(string sessionId)
+    {
+        try
+        {
+            var path = FilePath(sessionId);
+            if (File.Exists(path))
+            {
+                File.Delete(path);
+            }
+        }
+        catch
+        {
+            // 忽略
+        }
+    }
+
+    // 只保留文件名安全字符，避免 session_id 含特殊字符破坏路径
+    private static string Sanitize(string s) =>
+        new(s.Where(c => char.IsLetterOrDigit(c) || c is '-' or '_').ToArray());
+}