Test 1: Validating JSON schema...
Found 5 ground truth file(s)

❌ 1.json: Schema validation failed
  Invalid JSON: Expecting value: line 1 column 1 (char 0)

❌ 2.json: Schema validation failed
  Invalid JSON: Expecting value: line 1 column 1 (char 0)

❌ 3.json: Schema validation failed
  Invalid JSON: Expecting value: line 1 column 1 (char 0)

❌ 4.json: Schema validation failed
  Invalid JSON: Expecting value: line 1 column 1 (char 0)

❌ 5.json: Schema validation failed
  Invalid JSON: Expecting value: line 1 column 1 (char 0)

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FAILED: Some files have schema validation errors
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