Test 3: Verifying empty cases (no false positives)... Found 5 ground truth file(s) ❌ 1.json: Failed to load JSON: Expecting value: line 1 column 18 (char 17) ❌ 2.json: Failed to load JSON: Expecting value: line 1 column 18 (char 17) ❌ 3.json: Failed to load JSON: Expecting value: line 1 column 18 (char 17) ❌ 4.json: Failed to load JSON: Expecting value: line 1 column 18 (char 17) ❌ 5.json: Failed to load JSON: Expecting value: line 1 column 18 (char 17) ℹ️ No empty cases in ground truth to validate