test: cover repo-root imports in execute_code sandbox

tests/tools/test_code_execution.py

@@ -129,6 +129,12 @@ class TestExecuteCode(unittest.TestCase):
         self.assertIn("hello world", result["output"])
         self.assertEqual(result["tool_calls_made"], 0)
 
+    def test_repo_root_modules_are_importable(self):
+        """Sandboxed scripts can import modules that live at the repo root."""
+        result = self._run('import minisweagent_path; print(minisweagent_path.__file__)')
+        self.assertEqual(result["status"], "success")
+        self.assertIn("minisweagent_path.py", result["output"])
+
     def test_single_tool_call(self):
         """Script calls terminal and prints the result."""
         code = """