updated to run on Windows and add est capabilities

tests/test_exporters.py

@@ -199,6 +199,34 @@ class TestJSONExporter:
         assert "  " in raw
 
 
+class TestBothFormats:
+    """T-38: Markdown and JSON exporters produce matching filenames for the same conversation."""
+
+    def test_both_formats_produce_files(self, tmp_path):
+        md_exp = MarkdownExporter(tmp_path)
+        json_exp = JSONExporter(tmp_path)
+        md_path = md_exp.export(SAMPLE_CONV)
+        json_path = json_exp.export(SAMPLE_CONV)
+        assert md_path.exists()
+        assert json_path.exists()
+
+    def test_both_formats_have_matching_stems(self, tmp_path):
+        md_exp = MarkdownExporter(tmp_path)
+        json_exp = JSONExporter(tmp_path)
+        md_path = md_exp.export(SAMPLE_CONV)
+        json_path = json_exp.export(SAMPLE_CONV)
+        assert md_path.suffix == ".md"
+        assert json_path.suffix == ".json"
+        assert md_path.stem == json_path.stem
+
+    def test_both_formats_same_directory(self, tmp_path):
+        md_exp = MarkdownExporter(tmp_path)
+        json_exp = JSONExporter(tmp_path)
+        md_path = md_exp.export(SAMPLE_CONV)
+        json_path = json_exp.export(SAMPLE_CONV)
+        assert md_path.parent == json_path.parent
+
+
 class TestYamlEscape:
     def test_escapes_double_quotes(self):
         assert _yaml_escape('Say "hello"') == 'Say \\"hello\\"'