{
  "data_status": "synthetic_demo",
  "not_experimental_data": true,
  "figure_grammar_id": "optional:nmr",
  "source_files": [
    "data.csv"
  ],
  "test_conditions": "Synthetic 7Li-like spectra A-D with invented positions and widths. No pulse sequence, concentration, integration or molecular assignment implied.",
  "variables_and_units": [
    "sample",
    "chemical_shift_ppm",
    "intensity_au"
  ],
  "render_options": {
    "nucleus": "$^7$Li",
    "chemical_shift_reference": "Synthetic axis reference at 0 ppm; no real standard used",
    "display_offset_au": 1.2,
    "zoom_chemical_shift_ppm": [
      -0.55,
      0.25
    ]
  },
  "reference": {
    "doi": "10.1016/j.cej.2022.139398",
    "journal": "Chemical Engineering Journal",
    "year": 2023,
    "figure_panel": "Fig. 1b",
    "observation": "Vertically offset 7Li NMR comparison; synthetic shifts are not the published shifts.",
    "review_scope": "Original PDF figure and caption visually checked; no numerical values or artwork copied",
    "default_template": false
  },
  "reproduce": "python render_specialist.py --recipe nmr --input-folder nmr --output-dir brf-output --style forge",
  "creator": "BatteryReviewForge original synthetic analytic demonstration"
}