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 +1,185 @@
+using System;
+using System.IO;
+using System.Text;
+using System.Text.Json;
+using Notify.Interop;
+using Notify.Ipc;
+using Notify.Models;
+using Notify.Serialization;
+using Notify.Services;
+
+namespace Notify.Cli;
+
+/// <summary>
+/// 钩子子命令实现：纯互操作 / IPC，绝不加载 Avalonia，做完即退出
+/// </summary>
+public static class CliRunner
+{
+    // UserPromptSubmit：记录前台窗口与 prompt
+    public static int Save()
+    {
+        var input = ReadStdin();
+        if (string.IsNullOrEmpty(input?.SessionId))
+        {
+            return 0;
+        }
+
+        var hwnd = Win32.GetForegroundWindow();
+
+        // 前台是 Windows Terminal 时，记录当前标签的 RuntimeId
+        var wtRuntimeId = WinTerminalTabs.IsWindowsTerminal(hwnd)
+            ? WinTerminalTabs.GetSelectedTabRuntimeId(hwnd)
+            : "";
+
+        StateStore.Save(input.SessionId, new StateData
+        {
+            Hwnd = hwnd.ToInt64(),
+            Prompt = input.Prompt ?? "",
+            WtRuntimeId = wtRuntimeId,
+            CallerExePath = ProcessTree.FindCallerExePath(),
+        });
+        return 0;
+    }
+
+    // Stop：任务完成通知，正文取本次 prompt
+    public static int Notify()
+    {
+        var input = ReadStdin();
+        if (string.IsNullOrEmpty(input?.SessionId))
+        {
+            return 0;
+        }
+
+        var state = StateStore.Load(input.SessionId);
+        var message = !string.IsNullOrWhiteSpace(state?.Prompt) ? state!.Prompt : "Task completed";
+
+        NotificationSpool.Deliver(new NotifyMessage
+        {
+            SessionId = input.SessionId,
+            Title = "Claude Code",
+            Message = Sanitize(message),
+            InputMode = false,
+            Sticky = false,
+            TargetHwnd = state?.Hwnd ?? 0,
+            WtRuntimeId = state?.WtRuntimeId,
+            IconPath = state?.CallerExePath,
+        });
+        return 0;
+    }
+
+    // Notification / PreToolUse：需要输入，常驻显示
+    public static int Input()
+    {
+        var input = ReadStdin();
+        if (string.IsNullOrEmpty(input?.SessionId))
+        {
+            return 0;
+        }
+
+        // 过滤无需打扰的类型
+        if (input.NotificationType is "auth_success" or "elicitation_complete" or "elicitation_response")
+        {
+            return 0;
+        }
+
+        var (title, message) = Resolve(input);
+        var state = StateStore.Load(input.SessionId);
+
+        NotificationSpool.Deliver(new NotifyMessage
+        {
+            SessionId = input.SessionId,
+            Title = title,
+            Message = Sanitize(message),
+            InputMode = true,
+            Sticky = true,
+            TargetHwnd = state?.Hwnd ?? 0,
+            WtRuntimeId = state?.WtRuntimeId,
+            IconPath = state?.CallerExePath,
+        });
+        return 0;
+    }
+
+    // SessionEnd：清理会话状态
+    public static int Cleanup()
+    {
+        var input = ReadStdin();
+        if (!string.IsNullOrEmpty(input?.SessionId))
+        {
+            StateStore.Delete(input.SessionId);
+        }
+
+        return 0;
+    }
+
+    // 按 tool_name / notification_type 决定标题与正文，对齐原版语义
+    private static (string Title, string Message) Resolve(HookInput input)
+    {
+        if (input.ToolName == "AskUserQuestion")
+        {
+            var msg = string.IsNullOrEmpty(input.Message) ? "Claude 在向你提问" : input.Message!;
+            return ("Claude is Asking", msg);
+        }
+
+        if (input.ToolName == "ExitPlanMode")
+        {
+            return ("Plan Ready for Approval", "Claude 提交了一份计划，待批准");
+        }
+
+        var title = input.NotificationType switch
+        {
+            "permission_prompt" => "Permission Required",
+            "idle_prompt" => "Claude is Waiting",
+            "elicitation_dialog" => "MCP Asks",
+            _ => "Input Required",
+        };
+        var message = string.IsNullOrEmpty(input.Message) ? "Claude needs your input" : input.Message!;
+        return (title, message);
+    }
+
+    // 折叠换行/制表/多余空白为单行，避免撑乱 toast 布局（截断交给 toast 的省略号）
+    private static string Sanitize(string s)
+    {
+        if (string.IsNullOrEmpty(s))
+        {
+            return s;
+        }
+
+        s = s.Replace('\r', ' ').Replace('\n', ' ').Replace('\t', ' ');
+        while (s.Contains("  "))
+        {
+            s = s.Replace("  ", " ");
+        }
+
+        return s.Trim();
+    }
+
+    // 直接读原始字节并按 UTF-8 解码：WinExe 下 Console.In 不可靠，且其代码页
+    // 会把中文解成乱码（GBK），这里绕开
+    private static HookInput? ReadStdin()
+    {
+        try
+        {
+            using var stdin = Console.OpenStandardInput();
+            using var ms = new MemoryStream();
+            stdin.CopyTo(ms);
+
+            var bytes = ms.ToArray();
+            if (bytes.Length == 0)
+            {
+                return null;
+            }
+
+            var text = Encoding.UTF8.GetString(bytes).TrimStart('');
+            if (string.IsNullOrWhiteSpace(text))
+            {
+                return null;
+            }
+
+            return JsonSerializer.Deserialize(text, AppJsonContext.Default.HookInput);
+        }
+        catch
+        {
+            return null;
+        }
+    }
+}
@@ -0,0 +1,24 @@
+using System.Text.Json.Serialization;
+
+namespace Notify.Cli;
+
+/// <summary>
+/// Claude Code 钩子经 stdin 传入的 JSON
+/// </summary>
+public sealed class HookInput
+{
+    [JsonPropertyName("session_id")]
+    public string? SessionId { get; set; }
+
+    [JsonPropertyName("prompt")]
+    public string? Prompt { get; set; }
+
+    [JsonPropertyName("notification_type")]
+    public string? NotificationType { get; set; }
+
+    [JsonPropertyName("message")]
+    public string? Message { get; set; }
+
+    [JsonPropertyName("tool_name")]
+    public string? ToolName { get; set; }
+}