backend/agent/servers/mcp_server_file_search.py

@@ -65,7 +65,7 @@ def list_files() -> str:
 
 
 @mcp.tool()
-def get_file_tree(dir_path: str=ALLOWED_DIR) -> str:
+def get_file_tree(dir_path: str="") -> str:
     """Get a tree representation of the project directory.
 
     Args:
@@ -117,7 +117,7 @@ def get_file_tree(dir_path: str=ALLOWED_DIR) -> str:
                 lines.append(_tree(entry, prefix + extension))
         return "\n".join(lines)
 
-    return _tree(Path(dir_path))
+    return _tree(Path(safe_dir))
 
 
 @mcp.tool()

backend/managers/_debug_logger.py

@@ -1,71 +0,0 @@
-from datetime import datetime
-
-
-class DebugLogger:
-    """In-memory logger for code execution events.
-
-    Collects timestamped INFO and ERROR entries during a single run.
-    Call clear() before each new execution to start fresh.
-    """
-
-    def __init__(self):
-        self.logs: list[dict] = []
-
-    def log(self, message: str) -> None:
-        """Append a general info message."""
-        self.logs.append({
-            "level": "INFO",
-            "message": message,
-            "timestamp": datetime.now().strftime("%H:%M:%S"),
-        })
-
-    def log_error(self, error_message: str) -> None:
-        """Append an error message."""
-        self.logs.append({
-            "level": "ERROR",
-            "message": error_message,
-            "timestamp": datetime.now().strftime("%H:%M:%S"),
-        })
-
-    def get_logs(self) -> list[dict]:
-        """Return a copy of all collected log entries."""
-        return list(self.logs)
-
-    def clear(self) -> None:
-        """Reset the log — call before each new execution."""
-        self.logs = []
-
-    def format_debug_output(self, output: dict) -> str:
-        """Format an ExecutionEngine result dict into a human-readable string.
-
-        Args:
-            output: dict with keys 'stdout', 'stderr', and 'rc'.
-
-        Returns:
-            A formatted string ready for display in the UI.
-        """
-        lines = []
-
-        status = "SUCCESS" if output.get("rc") == 0 else "FAILED"
-        lines.append(f"[{status}] Exit code: {output.get('rc')}")
-
-        if output.get("stdout"):
-            lines.append("\n--- stdout ---")
-            lines.append(output["stdout"].rstrip())
-
-        if output.get("stderr"):
-            lines.append("\n--- stderr ---")
-            lines.append(output["stderr"].rstrip())
-
-        if not output.get("stdout") and not output.get("stderr"):
-            lines.append("No output produced.")
-
-        for entry in self.logs:
-            lines.append(f"[{entry['timestamp']}] [{entry['level']}] {entry['message']}")
-
-        return "\n".join(lines)
-
-
-if __name__ == "__main__":
-    logger = DebugLogger()
-    print(logger.get_logs())

requirements.txt

@@ -1,5 +1,6 @@
 # Core Framework
 streamlit>=1.28.0
+streamlit_arborist>=0.1.0
 
 # AI/LLM Integration
 openai>=1.0.0

tests/test_mcp_server_file_search.py

@@ -1,3 +1,4 @@
+import sys
 import pytest
 from backend.agent.servers import mcp_server_file_search as server
 
@@ -159,6 +160,7 @@ def test_safe_path_double_traversal(workspace):
 # 12. Symlink Escape verhindern
 # ---------------------------------------------------------
 
+@pytest.mark.skipif(sys.platform == "win32", reason="Symlinks require special privileges on Windows")
 def test_safe_path_symlink_escape(workspace):
     outside = workspace.parent / "outside"
     outside.mkdir()
@@ -264,6 +266,10 @@ def test_write_unicode_filename(workspace):
 # 20. Tiefe Verzeichnisstrukturen
 # ---------------------------------------------------------
 
+@pytest.mark.skipif(
+    sys.platform == "win32",
+    reason="Windows MAX_PATH limit (260 chars) prevents deep nesting",
+)
 def test_list_files_deep_nesting(workspace):
     current = workspace