TRANSMUTATION_PROTOCOL {

  AXIS: time
  // not material — this diorama IS time made spatial

  STATE Δ0 (PAST):
    era       : INFER(founding_period    FROM city.historical_origin)
    fabric    : INFER(ancient_city_form  FROM city.earliest_settlement)
    landmark  : INFER(oldest_structure   FROM city.heritage_record)
    material  : INFER(period_palette     FROM city.founding_era)

  STATE Δ∞ (PRESENT):
    era       : INFER(contemporary_form  FROM city.modern_development)
    fabric    : INFER(current_skyline    FROM city.present_day_towers)
    landmark  : INFER(modern_icon        FROM city.contemporary_signature)
    material  : "glass, steel, concrete, LED"

  RENDER_TARGET:
    Δ0 + Δ∞ SIMULTANEOUSLY — single diorama island

  SPATIAL_ENCODING:
    LEFT  → Δ0
    // ancient fabric fills left quadrant

    RIGHT → Δ∞
    // modern fabric fills right quadrant

    CENTER → INFER(timeless_core FROM city.permanent_identity)
    // the one thing that spans both eras

    SEAM  → "seamless dissolve — no hard wall between eras"

    LOOP  → INFER(circulation FROM city.transport, wraps both eras)

  FORMAT:
    style   : "floating island, isometric, hyperreal scale model"
    bg      : "clean studio — white-to-lightblue gradient"
    camera  : "45° overhead isometric, full island legible"
    render  : "Octane 8K | soft studio lighting | no DOF"
}