{
  "description": "FlateDecode stream truncated mid-decompression",
  "expected_diagnostics": [
    {
      "code": "STREAM_DECODE_ERROR",
      "min_count": 1,
      "description": "Truncated FlateDecode stream should emit STREAM_DECODE_ERROR"
    }
  ],
  "expected_behavior": "partial output returned, no panic"
}