Add test assertions for Detected Type row in inspect CLI output

tests/test_forensics.py

@@ -244,6 +244,8 @@ def test_forensics_inspect_cli_success():
     assert "Metadata: test_file.png" in result.output
     assert "Size" in result.output
     assert "89504E47" in result.output
+    assert "Detected Type" in result.output
+    assert "PNG Image" in result.output
 
 def test_forensics_inspect_cli_missing_file():
     """