{
  "schemaVersion": "1.0",
  "packetId": "sf2047_reference_packet_v01",
  "heroReference": "00_hero/hero_primary.jpg",
  "entities": {
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        "01_bridge/bridge_context_three_quarter_02.jpg"
      ],
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        "approved_frame_bounds",
        "boat_clearance",
        "open_water_approach"
      ]
    },
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        "02_skyline/lower_angle_landmarks_04.jpg"
      ],
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        "separate_from_hero_tower",
        "geographic_relationship"
      ]
    },
    "LMK-HERO-TOWER": {
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      "references": [
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        "02_skyline/lower_angle_landmarks_04.jpg"
      ],
      "hardGates": [
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        "not_clipped",
        "not_merged_with_transamerica"
      ]
    },
    "REG-EAST-SKYLINE": {
      "type": "region-routing-context",
      "references": [
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        "02_skyline/aerial_depth_layers_03.jpg",
        "04_architecture/facade_window_rhythm_02.jpg"
      ],
      "requiredEntities": [
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        "FAM-ROOFLINES",
        "FAM-FACADE-LIGHTS"
      ]
    },
    "SYS-CANAL-NETWORK": {
      "type": "system",
      "references": [
        "03_waterfront/canal_grid_plan_01.jpg",
        "03_waterfront/canal_junction_03.jpg"
      ],
      "hardGates": [
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        "navigable_widths",
        "no_decorative_dead_ends",
        "waterline_consistency"
      ]
    },
    "REG-FOREGROUND": {
      "type": "region-routing-context",
      "references": [
        "04_architecture/rooftop_density_03.jpg",
        "04_architecture/mixed_height_fabric_04.jpg",
        "03_waterfront/shoreline_transition_02.jpg"
      ],
      "requiredEntities": [
        "FAM-ROOFTOPS",
        "FAM-DOCKS",
        "FAM-MIDRISE-CONTINUITY"
      ]
    },
    "ENV-STORM-SKY": {
      "type": "environment-system",
      "references": [
        "05_atmosphere/storm_cloud_scale_01.jpg",
        "05_atmosphere/horizon_break_02.jpg",
        "05_atmosphere/fog_depth_03.jpg"
      ],
      "hardGates": [
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        "localized_horizon_break",
        "no_uniform_milk_haze"
      ]
    }
  }
}