feat: zuverlässiger Stop-Button für Chat-Streaming
- StreamingTracker: CancellationTokenSource pro Session, Cancel()-Methode - ChatEndpoint: POST /api/chat/stop Endpoint, linkedCts verknüpft Stop-Token mit Client-Disconnect-Token - AnthropicService: cancellationToken an ExecuteTool durchgereicht - ToolService: CancellationToken-Parameter, execute-Tool verknüpft externen Token mit 180s-Timeout, killt Prozess bei Abbruch - Frontend: apiStopChat() + stopStreaming() ruft Backend-Stop auf
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@@ -232,7 +232,7 @@ public class ToolService
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};
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}
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public async Task<string> ExecuteTool(string name, JsonElement input, string workspace, MemoryService memoryService = null, string agentId = null)
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public async Task<string> ExecuteTool(string name, JsonElement input, string workspace, MemoryService memoryService = null, string agentId = null, CancellationToken cancellationToken = default)
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{
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switch (name)
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{
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@@ -322,7 +322,9 @@ public class ToolService
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if (proc == null) return "Fehler: Prozess konnte nicht gestartet werden";
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await proc.StandardInput.WriteAsync(command);
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proc.StandardInput.Close();
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var cts = new CancellationTokenSource(TimeSpan.FromSeconds(180));
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// Timeout (180s) UND externen CancellationToken verknüpfen
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using var cts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
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cts.CancelAfter(TimeSpan.FromSeconds(180));
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try
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{
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await proc.WaitForExitAsync(cts.Token);
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@@ -330,6 +332,8 @@ public class ToolService
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catch (OperationCanceledException)
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{
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proc.Kill(entireProcessTree: true);
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// Wenn der externe Token abgebrochen wurde, weiterwerfen
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cancellationToken.ThrowIfCancellationRequested();
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return "Fehler: Timeout nach 180 Sekunden - Prozess abgebrochen";
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}
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var stdout = await proc.StandardOutput.ReadToEndAsync();
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