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>
602 lines
26 KiB
C#
602 lines
26 KiB
C#
using System.Collections.Concurrent;
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using System.Text;
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using System.Text.Json;
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using ClawdDotNet.Core.Tools;
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using Microsoft.Extensions.Logging;
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namespace ClawdDotNet.Tools.FileRW;
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public sealed class FileRWTool : IAgentTool
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{
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/// <summary>
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/// Per-Datei Locking: Verhindert Race Conditions wenn mehrere Agenten
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/// gleichzeitig auf dieselbe Datei zugreifen (read/write/append/delete/copy).
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/// Key = normalisierter absoluter Pfad (lowercase), Value = SemaphoreSlim(1,1).
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/// </summary>
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private static readonly ConcurrentDictionary<string, SemaphoreSlim> FileLocks = new();
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private static SemaphoreSlim GetFileLock(string fullPath)
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=> FileLocks.GetOrAdd(NormalizePath(fullPath), _ => new SemaphoreSlim(1, 1));
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private static string NormalizePath(string path)
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=> Path.GetFullPath(path).ToLowerInvariant();
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public string Name => "FileRW";
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public string Description => "Dateiverwaltung in zwei getrennten Workspace-Verzeichnissen:\n" +
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"- workspace='personal': Dein PRIVATER Ordner — nur du hast Zugriff.\n" +
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"- workspace='shared': GETEILTER Ordner — alle Agenten im Team können darauf zugreifen.\n" +
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"Aktionen: read, write, append, list, delete, copy, stock_add.\n" +
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"Bei copy kann zwischen Workspaces kopiert werden.\n" +
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"'stock_add' fügt einen neuen Datenpunkt zur Aktien-Wissensdatenbank hinzu (shared:stocks/{ticker}/). " +
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"Geschützte Pfade (protectedPaths) erlauben nur das Erstellen neuer Dateien — kein Überschreiben oder Löschen.";
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public JsonElement InputSchema { get; } = JsonDocument.Parse("""
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{
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"type": "object",
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"properties": {
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"action": {
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"type": "string",
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"enum": ["read", "write", "append", "list", "delete", "copy", "stock_add"],
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"description": "Die auszuführende Aktion. 'stock_add' fügt einen strukturierten Datenpunkt zur Aktien-Wissensdatenbank hinzu."
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},
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"workspace": {
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"type": "string",
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"enum": ["personal", "shared"],
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"description": "In welchem Workspace die Aktion ausgeführt werden soll (Quell-Workspace bei copy). Standard ist 'personal'."
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},
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"path": {
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"type": "string",
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"description": "Relativer Pfad zur Datei oder zum Verzeichnis"
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},
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"content": {
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"type": "string",
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"description": "Inhalt für write oder append Aktionen"
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},
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"destinationWorkspace": {
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"type": "string",
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"enum": ["personal", "shared"],
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"description": "Ziel-Workspace für copy. Standard ist gleicher Workspace wie 'workspace'."
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},
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"destinationPath": {
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"type": "string",
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"description": "Relativer Zielpfad für copy. Pflichtfeld bei copy."
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},
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"ticker": {
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"type": "string",
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"description": "Aktien-Ticker für stock_add (z.B. 'NVDA', 'TSLA'). Wird automatisch zu Großbuchstaben."
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},
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"category": {
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"type": "string",
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"enum": ["news", "social", "analysis", "capitol", "price", "earnings", "filing", "sentiment", "other"],
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"description": "Kategorie des Datenpunkts für stock_add."
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},
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"source": {
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"type": "string",
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"description": "Quelle des Datenpunkts für stock_add (z.B. 'reuters', 'x_unusual_whales', 'youtube', 'reddit')."
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},
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"title": {
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"type": "string",
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"description": "Kurze Überschrift/Zusammenfassung des Datenpunkts für stock_add."
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},
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"data": {
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"type": "object",
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"description": "Strukturierte Daten des Datenpunkts für stock_add. Kann beliebige Felder enthalten."
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}
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},
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"required": ["action"]
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}
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""").RootElement.Clone();
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public async Task<ToolResult> ExecuteAsync(
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JsonElement input,
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AgentToolContext context,
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CancellationToken ct)
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{
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var action = input.GetProperty("action").GetString()
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?? throw new ArgumentException("'action' is required");
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var workspace = (input.TryGetProperty("workspace", out var w) ? w.GetString() : null) ?? "personal";
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var rootPath = workspace == "shared" ? context.SharedWorkspacePath : context.WorkspacePath;
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if (string.IsNullOrWhiteSpace(rootPath))
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{
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var wsName = workspace == "shared" ? "SharedWorkspace" : "PersonalWorkspace";
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return ToolResult.Fail($"Konfigurationsfehler: '{wsName}' ist nicht definiert.");
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}
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// Sicherstellen, dass rootPath absolut ist
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rootPath = Path.GetFullPath(rootPath);
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// Zugriffsprüfung
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if (!IsActionAllowed(action, workspace, context))
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{
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return ToolResult.Fail($"Zugriff verweigert: Die Aktion '{action}' ist im Workspace '{workspace}' für diesen Agenten nicht erlaubt.");
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}
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try
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{
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return action switch
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{
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"read" => await HandleReadAsync(input, rootPath, workspace, context, ct),
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"write" => await HandleWriteAsync(input, rootPath, workspace, context, ct),
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"append" => await HandleAppendAsync(input, rootPath, workspace, context, ct),
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"list" => await HandleListAsync(input, rootPath, workspace, context, ct),
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"delete" => await HandleDeleteAsync(input, rootPath, workspace, context, ct),
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"copy" => await HandleCopyAsync(input, rootPath, workspace, context, ct),
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"stock_add" => await HandleStockAddAsync(input, context, ct),
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_ => ToolResult.Fail($"Unbekannte Aktion: {action}")
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};
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}
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catch (Exception ex)
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{
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context.Logger.LogError(ex, "Fehler bei FileRW Aktion {Action}", action);
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return ToolResult.Fail($"Fehler: {ex.Message}");
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}
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}
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private bool IsActionAllowed(string action, string workspace, AgentToolContext context)
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{
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if (workspace == "personal") return true; // Alles erlaubt
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var level = context.ToolConfig.TryGetValue("sharedAccessLevel", out var lv) ? lv?.ToString() : "Denied";
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if (level == "Denied") return false;
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return action switch
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{
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"read" or "list" or "copy" => true,
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"write" or "append" or "stock_add" => level is "ReadWrite" or "Admin",
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"delete" => level is "Admin",
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_ => false
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};
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}
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/// <summary>
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/// Prüft ob ein Pfad innerhalb eines geschützten Bereichs liegt.
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/// Geschützte Pfade erlauben nur: read, list, append, write (nur neue Dateien), stock_add.
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/// Kein Überschreiben existierender Dateien, kein Löschen.
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/// Admin-Level umgeht den Schutz.
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/// </summary>
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private bool IsPathProtected(string fullPath, string rootPath, AgentToolContext context)
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{
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var protectedPaths = GetProtectedPaths(context);
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if (protectedPaths.Count == 0) return false;
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var relativePath = Path.GetRelativePath(rootPath, fullPath)
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.Replace('\\', '/').TrimStart('/');
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return protectedPaths.Any(pp =>
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relativePath.StartsWith(pp, StringComparison.OrdinalIgnoreCase) ||
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relativePath.Equals(pp.TrimEnd('/'), StringComparison.OrdinalIgnoreCase));
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}
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private bool IsAdminLevel(AgentToolContext context)
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{
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var level = context.ToolConfig.TryGetValue("sharedAccessLevel", out var lv) ? lv?.ToString() : "Denied";
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return level == "Admin";
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}
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private static List<string> GetProtectedPaths(AgentToolContext context)
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{
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if (!context.ToolConfig.TryGetValue("protectedPaths", out var pp) || pp is null)
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return [];
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if (pp is JsonElement je && je.ValueKind == JsonValueKind.Array)
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return je.EnumerateArray()
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.Select(e => e.GetString()?.Replace('\\', '/').Trim().TrimEnd('/') + "/")
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.Where(s => !string.IsNullOrEmpty(s))
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.ToList()!;
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if (pp is string s && !string.IsNullOrWhiteSpace(s))
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return s.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)
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.Select(p => p.Replace('\\', '/').TrimEnd('/') + "/")
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.ToList();
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return [];
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}
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private string GetAndValidatePath(JsonElement input, string rootPath, string workspace, bool checkExtension, AgentToolContext context)
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{
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var relativePath = input.TryGetProperty("path", out var p) ? p.GetString() : "";
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if (string.IsNullOrWhiteSpace(relativePath))
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{
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relativePath = ".";
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}
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var fullPath = Path.GetFullPath(Path.Combine(rootPath, relativePath));
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// Path Traversal Check
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if (!fullPath.StartsWith(rootPath, StringComparison.OrdinalIgnoreCase))
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{
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throw new UnauthorizedAccessException($"Zugriff verweigert: Der Pfad liegt außerhalb des {workspace} Workspaces.");
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}
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// Extension Check
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if (checkExtension && !Directory.Exists(fullPath))
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{
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var extension = Path.GetExtension(fullPath).ToLowerInvariant();
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var configKey = workspace == "shared" ? "sharedAllowedExtensions" : "personalAllowedExtensions";
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var allowedExtensions = context.ToolConfig.TryGetValue(configKey, out var ae) && ae is JsonElement je
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? je.EnumerateArray().Select(x => x.GetString()?.ToLowerInvariant()).ToList()
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: new List<string?> { ".txt", ".json", ".md", ".html", ".js", ".css" }; // Default
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if (!allowedExtensions.Contains(extension))
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{
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throw new UnauthorizedAccessException($"Dateiendung '{extension}' ist im Workspace '{workspace}' nicht erlaubt.");
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}
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}
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return fullPath;
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}
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private async Task<ToolResult> HandleReadAsync(JsonElement input, string rootPath, string workspace, AgentToolContext context, CancellationToken ct)
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{
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var path = GetAndValidatePath(input, rootPath, workspace, true, context);
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if (!File.Exists(path)) return ToolResult.Fail($"Datei nicht gefunden im {workspace} Workspace: {Path.GetRelativePath(rootPath, path)}");
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var fileLock = GetFileLock(path);
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await fileLock.WaitAsync(ct);
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try
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{
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var content = await File.ReadAllTextAsync(path, ct);
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var relativePath = Path.GetRelativePath(rootPath, path);
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return ToolResult.Ok($"[{workspace}:/{relativePath}]\n{content}");
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}
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finally
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{
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fileLock.Release();
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}
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}
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private async Task<ToolResult> HandleWriteAsync(JsonElement input, string rootPath, string workspace, AgentToolContext context, CancellationToken ct)
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{
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var path = GetAndValidatePath(input, rootPath, workspace, true, context);
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var content = input.TryGetProperty("content", out var c) ? c.GetString() ?? "" : "";
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var fileLock = GetFileLock(path);
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await fileLock.WaitAsync(ct);
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try
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{
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// Schutz: In geschützten Bereichen darf nur geschrieben werden wenn die Datei NICHT existiert
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if (workspace == "shared" && !IsAdminLevel(context) && File.Exists(path) && IsPathProtected(path, rootPath, context))
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{
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var relPath = Path.GetRelativePath(rootPath, path);
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return ToolResult.Fail(
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$"🛡️ Geschützter Bereich: Die Datei '{relPath}' existiert bereits und darf nicht überschrieben werden. " +
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$"Verwende 'append' um Daten hinzuzufügen, oder erstelle eine neue Datei mit anderem Namen. " +
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$"Tipp: Nutze 'stock_add' für strukturierte Datenpunkte.");
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}
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var dir = Path.GetDirectoryName(path);
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if (dir != null && !Directory.Exists(dir)) Directory.CreateDirectory(dir);
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await File.WriteAllTextAsync(path, content, new UTF8Encoding(false), ct);
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return ToolResult.Ok($"[{workspace} Workspace] Datei erfolgreich geschrieben: {workspace}:/{Path.GetRelativePath(rootPath, path)}");
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}
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finally
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{
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fileLock.Release();
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}
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}
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private async Task<ToolResult> HandleAppendAsync(JsonElement input, string rootPath, string workspace, AgentToolContext context, CancellationToken ct)
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{
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var path = GetAndValidatePath(input, rootPath, workspace, true, context);
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var content = input.TryGetProperty("content", out var c) ? c.GetString() ?? "" : "";
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var fileLock = GetFileLock(path);
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await fileLock.WaitAsync(ct);
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try
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{
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await File.AppendAllTextAsync(path, content, new UTF8Encoding(false), ct);
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return ToolResult.Ok($"[{workspace} Workspace] Inhalt erfolgreich angehängt an: {workspace}:/{Path.GetRelativePath(rootPath, path)}");
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}
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finally
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{
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fileLock.Release();
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}
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}
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private async Task<ToolResult> HandleListAsync(JsonElement input, string rootPath, string workspace, AgentToolContext context, CancellationToken ct)
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{
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var path = GetAndValidatePath(input, rootPath, workspace, false, context);
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if (!Directory.Exists(path)) return ToolResult.Fail($"Verzeichnis nicht gefunden im {workspace} Workspace.");
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var relativeDirPath = Path.GetRelativePath(rootPath, path);
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var entries = Directory.GetFileSystemEntries(path)
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.Select(e => new
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{
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Name = Path.GetFileName(e),
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Type = Directory.Exists(e) ? "directory" : "file",
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Size = Directory.Exists(e) ? 0 : new FileInfo(e).Length,
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LastModified = File.GetLastWriteTime(e)
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})
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.ToList();
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var header = $"[{workspace} Workspace] Verzeichnis: {workspace}:/{(relativeDirPath == "." ? "" : relativeDirPath)}\n";
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return ToolResult.Ok(header + JsonSerializer.Serialize(entries, new JsonSerializerOptions { WriteIndented = true }));
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}
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private async Task<ToolResult> HandleDeleteAsync(JsonElement input, string rootPath, string workspace, AgentToolContext context, CancellationToken ct)
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{
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var path = GetAndValidatePath(input, rootPath, workspace, false, context);
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// Schutz: In geschützten Bereichen ist Löschen komplett verboten (außer Admin)
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if (workspace == "shared" && !IsAdminLevel(context) && IsPathProtected(path, rootPath, context))
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{
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var relPath = Path.GetRelativePath(rootPath, path);
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return ToolResult.Fail(
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$"🛡️ Geschützter Bereich: '{relPath}' liegt in einem geschützten Verzeichnis und darf nicht gelöscht werden. " +
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$"Daten in geschützten Bereichen sind append-only — sie können nur ergänzt, nicht entfernt werden.");
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}
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var fileLock = GetFileLock(path);
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await fileLock.WaitAsync(ct);
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try
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{
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if (File.Exists(path))
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{
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File.Delete(path);
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return ToolResult.Ok($"[{workspace} Workspace] Datei gelöscht: {workspace}:/{Path.GetRelativePath(rootPath, path)}");
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}
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else if (Directory.Exists(path))
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{
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Directory.Delete(path, true);
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return ToolResult.Ok($"[{workspace} Workspace] Verzeichnis gelöscht: {workspace}:/{Path.GetRelativePath(rootPath, path)}");
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}
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return ToolResult.Fail($"Datei oder Verzeichnis nicht gefunden im {workspace} Workspace.");
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}
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finally
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{
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fileLock.Release();
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}
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}
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private async Task<ToolResult> HandleCopyAsync(JsonElement input, string sourceRootPath, string sourceWorkspace, AgentToolContext context, CancellationToken ct)
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{
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var sourcePath = GetAndValidatePath(input, sourceRootPath, sourceWorkspace, false, context);
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var destWorkspace = (input.TryGetProperty("destinationWorkspace", out var dw) ? dw.GetString() : null) ?? sourceWorkspace;
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var destRelPath = input.TryGetProperty("destinationPath", out var dp) ? dp.GetString() : null;
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if (string.IsNullOrWhiteSpace(destRelPath))
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return ToolResult.Fail("'destinationPath' ist für die copy-Aktion erforderlich.");
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var destRootPath = destWorkspace == "shared" ? context.SharedWorkspacePath : context.WorkspacePath;
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if (string.IsNullOrWhiteSpace(destRootPath))
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return ToolResult.Fail($"Konfigurationsfehler: '{(destWorkspace == "shared" ? "SharedWorkspace" : "PersonalWorkspace")}' ist nicht definiert.");
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destRootPath = Path.GetFullPath(destRootPath);
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if (!IsActionAllowed("write", destWorkspace, context))
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return ToolResult.Fail($"Zugriff verweigert: Schreiben im Workspace '{destWorkspace}' ist für diesen Agenten nicht erlaubt.");
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var destInput = JsonDocument.Parse(JsonSerializer.Serialize(new { path = destRelPath })).RootElement;
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var destPath = GetAndValidatePath(destInput, destRootPath, destWorkspace, false, context);
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if (File.Exists(sourcePath))
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{
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// Schutz: Kein Überschreiben in geschützten Bereichen per Copy
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if (destWorkspace == "shared" && !IsAdminLevel(context) && File.Exists(destPath) && IsPathProtected(destPath, destRootPath, context))
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{
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var relPath = Path.GetRelativePath(destRootPath, destPath);
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return ToolResult.Fail(
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$"🛡️ Geschützter Bereich: Die Zieldatei '{relPath}' existiert bereits und darf nicht überschrieben werden.");
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}
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// Deadlock-sicheres Locking: Immer in alphabetischer Reihenfolge locken
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var srcNorm = NormalizePath(sourcePath);
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var dstNorm = NormalizePath(destPath);
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var first = string.Compare(srcNorm, dstNorm, StringComparison.Ordinal) <= 0
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? GetFileLock(sourcePath) : GetFileLock(destPath);
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var second = string.Compare(srcNorm, dstNorm, StringComparison.Ordinal) <= 0
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? GetFileLock(destPath) : GetFileLock(sourcePath);
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await first.WaitAsync(ct);
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try
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{
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await second.WaitAsync(ct);
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try
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{
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var destDir = Path.GetDirectoryName(destPath);
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if (destDir != null && !Directory.Exists(destDir)) Directory.CreateDirectory(destDir);
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await Task.Run(() => File.Copy(sourcePath, destPath, overwrite: !IsPathProtected(destPath, destRootPath, context)), ct);
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var srcLabel = $"{sourceWorkspace}:/{Path.GetRelativePath(sourceRootPath, sourcePath)}";
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var dstLabel = $"{destWorkspace}:/{Path.GetRelativePath(destRootPath, destPath)}";
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return ToolResult.Ok($"Datei kopiert: {srcLabel} → {dstLabel}");
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}
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finally
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{
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second.Release();
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}
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}
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finally
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{
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first.Release();
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}
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}
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else if (Directory.Exists(sourcePath))
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{
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await Task.Run(() => CopyDirectory(sourcePath, destPath), ct);
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var srcLabel = $"{sourceWorkspace}:/{Path.GetRelativePath(sourceRootPath, sourcePath)}";
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var dstLabel = $"{destWorkspace}:/{Path.GetRelativePath(destRootPath, destPath)}";
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return ToolResult.Ok($"Verzeichnis kopiert: {srcLabel} → {dstLabel}");
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}
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return ToolResult.Fail("Quelldatei oder -verzeichnis nicht gefunden.");
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}
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// ═══════════════════════════════════════════════════
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// STOCK DATABASE (Append-Only Wissensdatenbank)
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// ═══════════════════════════════════════════════════
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private static readonly JsonSerializerOptions StockJsonOpts = new()
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{
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WriteIndented = true,
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PropertyNameCaseInsensitive = true,
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Encoder = System.Text.Encodings.Web.JavaScriptEncoder.UnsafeRelaxedJsonEscaping
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};
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private async Task<ToolResult> HandleStockAddAsync(JsonElement input, AgentToolContext context, CancellationToken ct)
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{
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// Pflichtfelder
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var ticker = (input.TryGetProperty("ticker", out var t) ? t.GetString() : null)?.Trim().ToUpperInvariant();
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if (string.IsNullOrWhiteSpace(ticker))
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return ToolResult.Fail("'ticker' ist ein Pflichtfeld für stock_add (z.B. 'NVDA', 'TSLA').");
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var category = (input.TryGetProperty("category", out var cat) ? cat.GetString() : null) ?? "other";
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var source = (input.TryGetProperty("source", out var src) ? src.GetString() : null) ?? "unknown";
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var title = (input.TryGetProperty("title", out var ttl) ? ttl.GetString() : null) ?? "";
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var content = input.TryGetProperty("content", out var cnt) ? cnt.GetString() : null;
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var data = input.TryGetProperty("data", out var d) ? d : (JsonElement?)null;
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if (string.IsNullOrWhiteSpace(title) && string.IsNullOrWhiteSpace(content) && data is null)
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return ToolResult.Fail("Mindestens 'title', 'content' oder 'data' muss angegeben werden.");
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// SharedWorkspace ist Pflicht für stocks
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var sharedRoot = context.SharedWorkspacePath;
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if (string.IsNullOrWhiteSpace(sharedRoot))
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return ToolResult.Fail("SharedWorkspace ist nicht konfiguriert.");
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sharedRoot = Path.GetFullPath(sharedRoot);
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// Zugriffsprüfung
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if (!IsActionAllowed("stock_add", "shared", context))
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return ToolResult.Fail("Zugriff verweigert: Schreiben im SharedWorkspace nicht erlaubt.");
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// Sanitize Ticker für Verzeichnisname
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var safeTicker = SanitizeFileName(ticker);
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var stockDir = Path.Combine(sharedRoot, "stocks", safeTicker);
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Directory.CreateDirectory(stockDir);
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// Timestamp-basierten Dateinamen generieren
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var now = DateTime.UtcNow;
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var timestamp = now.ToString("yyyyMMdd_HHmmss");
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var safeSource = SanitizeFileName(source);
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var fileName = $"{timestamp}_{category}_{safeSource}.json";
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var filePath = Path.Combine(stockDir, fileName);
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// Kollisionsvermeidung
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var counter = 1;
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while (File.Exists(filePath))
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{
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fileName = $"{timestamp}_{category}_{safeSource}_{counter}.json";
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filePath = Path.Combine(stockDir, fileName);
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counter++;
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}
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// Datenpunkt erstellen
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var entry = new Dictionary<string, object?>
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{
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["id"] = $"{safeTicker}_{timestamp}_{category}_{safeSource}",
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["ticker"] = ticker,
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["category"] = category,
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["source"] = source,
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["title"] = title,
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["timestamp"] = now.ToString("o"),
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["agent"] = context.AgentId
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};
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if (!string.IsNullOrWhiteSpace(content))
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entry["content"] = content;
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if (data.HasValue)
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entry["data"] = data.Value;
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// Datenpunkt speichern
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var json = JsonSerializer.Serialize(entry, StockJsonOpts);
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await File.WriteAllTextAsync(filePath, json, new UTF8Encoding(false), ct);
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// _index.json aktualisieren (thread-safe via per-file SemaphoreSlim, append-only)
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var indexPath = Path.Combine(stockDir, "_index.json");
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var indexEntry = new Dictionary<string, object?>
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{
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["file"] = fileName,
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["category"] = category,
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["source"] = source,
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["title"] = title,
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["timestamp"] = now.ToString("o"),
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["agent"] = context.AgentId
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};
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var indexLock = GetFileLock(indexPath);
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await indexLock.WaitAsync(ct);
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try
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{
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List<Dictionary<string, object?>> index;
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if (File.Exists(indexPath))
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{
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try
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{
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var existing = await File.ReadAllTextAsync(indexPath, ct);
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index = JsonSerializer.Deserialize<List<Dictionary<string, object?>>>(existing, StockJsonOpts)
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?? [];
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}
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catch (JsonException)
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{
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// Korrupter Index: Backup + Neustart
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var backup = indexPath + $".bak_{now:yyyyMMdd_HHmmss}";
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try { File.Copy(indexPath, backup, overwrite: true); } catch { /* best effort */ }
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index = [];
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}
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}
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else
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{
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index = [];
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}
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index.Add(indexEntry);
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await File.WriteAllTextAsync(indexPath, JsonSerializer.Serialize(index, StockJsonOpts), new UTF8Encoding(false), ct);
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}
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finally
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{
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indexLock.Release();
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}
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var relPath = $"shared:/stocks/{safeTicker}/{fileName}";
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return ToolResult.Ok(
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$"✅ Datenpunkt hinzugefügt: {relPath}\n" +
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$"Ticker: {ticker} | Kategorie: {category} | Quelle: {source}\n" +
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$"Titel: {title}\n" +
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$"Index: {index_Count(indexPath)} Einträge für {ticker}");
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}
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private static int index_Count(string indexPath)
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{
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try
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{
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var json = File.ReadAllText(indexPath);
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using var doc = JsonDocument.Parse(json);
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return doc.RootElement.GetArrayLength();
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}
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catch { return -1; }
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}
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private static string SanitizeFileName(string name)
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{
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var sanitized = name.Trim();
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foreach (var c in Path.GetInvalidFileNameChars())
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sanitized = sanitized.Replace(c, '_');
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return sanitized.Replace(' ', '_');
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}
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private static void CopyDirectory(string sourceDir, string destinationDir)
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{
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Directory.CreateDirectory(destinationDir);
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foreach (var file in Directory.GetFiles(sourceDir))
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File.Copy(file, Path.Combine(destinationDir, Path.GetFileName(file)), overwrite: true);
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foreach (var dir in Directory.GetDirectories(sourceDir))
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CopyDirectory(dir, Path.Combine(destinationDir, Path.GetFileName(dir)));
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}
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}
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