Initial commit: ClawdDotNet

Import des bestehenden Projektstands in Git.
- .NET 10 WinForms Anwendung (Multi-Agent / Tool-System)
- .gitignore fuer Build-Artefakte, Secrets und Runtime-Daten ergaenzt

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

UI/BridgeMessage.cs

@@ -0,0 +1,33 @@
+using System.Text.Json.Serialization;
+
+namespace ClawdDotNet.UI;
+
+public sealed record BridgeMessage(
+    [property: JsonPropertyName("type")] string Type,
+    [property: JsonPropertyName("agentId")] string? AgentId = null,
+    [property: JsonPropertyName("content")] string? Content = null,
+    [property: JsonPropertyName("status")] string? Status = null,
+    [property: JsonPropertyName("stepCount")] int? StepCount = null,
+    [property: JsonPropertyName("tokenCount")] int? TokenCount = null,
+    [property: JsonPropertyName("error")] string? Error = null,
+    [property: JsonPropertyName("extra")] object? Extra = null
+);
+
+public static class BridgeTypes
+{
+    // C# → Browser
+    public const string AgentListUpdate = "agent_list_update";
+    public const string AgentStatusUpdate = "agent_status";
+    public const string SelectAgent = "select_agent";
+    public const string ChatMessage = "chat_message";
+    public const string ChatTyping = "chat_typing";
+    public const string ChatHistory = "chat_history";
+    public const string RunStarted = "run_started";
+    public const string RunFinished = "run_finished";
+
+    // Browser → C#
+    public const string UserMessage = "user_message";
+    public const string OpenAgentChat = "open_agent_chat";
+    public const string RunNow = "run_now";
+    public const string AbortRun = "abort_run";
+}