{
  "data_status": "synthetic_demo",
  "not_experimental_data": true,
  "random_seed": 20260923,
  "generator_version": "1.2",
  "figure_grammar_id": "nyquist + bode (optional model demonstration)",
  "journal_preset": "journal_neutral_180mm",
  "variables_and_units": {
    "x": "Z′ (Ω)",
    "y": "−Z″ (Ω)",
    "linked": "frequency (Hz) and phase (°) from one circuit model"
  },
  "sample_identity": "A/B are invented formulations; SIM IDs are invented studies; colors retain their assigned identity within each panel group.",
  "test_conditions": "Illustrative two-electrode model; 100 kHz–10 mHz; Rs + (Rct||CPE) + semi-infinite Warburg. Values have no fitted experimental interpretation.",
  "source_files": [
    "data.csv",
    "model.json"
  ],
  "creator": "BatteryReviewForge original code",
  "review": {
    "science": "models and data-to-panel links inspected; no experimental interpretation",
    "display": "internal PNG and final-size inspection completed; independent author review remains required"
  }
}