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  "description": "Current space-weather conditions — normalized NOAA SWPC Kp, solar wind, magnetic field, and X-ray flux used for solar-flare monitoring, with observation times and freshness.",
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                "unit": "dimensionless",
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                "source_field": "flux",
                "unit": "W/m^2",
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                        "description": "Documentation URL for this bridge",
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                        "items": {
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                          "description": "One related Atlas route",
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                        "type": "array"
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                    "required": [
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                    "additionalProperties": false,
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                            "format": "date-time",
                            "type": "string"
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                            "description": "Exact NOAA SWPC source field",
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                            "description": "Physical or dimensionless unit",
                            "type": "string"
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                        "description": "Source textual Kp representation when present",
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                    "additionalProperties": false,
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                    "properties": {
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                        "additionalProperties": false,
                        "description": "Total interplanetary magnetic field",
                        "properties": {
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                            "description": "Official source observation time",
                            "format": "date-time",
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                            "description": "Exact NOAA SWPC source field",
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                            "description": "Physical or dimensionless unit",
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                            "description": "Normalized numeric observation",
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                            "description": "Physical or dimensionless unit",
                            "type": "string"
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                        "description": "Unmodified SWPC quality code",
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                        "description": "SWPC spacecraft/data source",
                        "type": "string"
                      }
                    },
                    "required": [
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                    "const": "current-conditions",
                    "description": "Stable route operation",
                    "type": "string"
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                  "plasma": {
                    "additionalProperties": false,
                    "description": "Fresh solar-wind plasma observations, or null with a warning",
                    "properties": {
                      "overall_quality": {
                        "description": "Unmodified SWPC quality code",
                        "type": "integer"
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                      "proton_density": {
                        "additionalProperties": false,
                        "description": "Solar-wind proton density",
                        "properties": {
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                            "description": "Official source observation time",
                            "format": "date-time",
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                            "description": "Exact NOAA SWPC source field",
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                          "unit": {
                            "description": "Physical or dimensionless unit",
                            "type": "string"
                          },
                          "value": {
                            "description": "Normalized numeric observation",
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                        "additionalProperties": false,
                        "description": "Solar-wind proton speed",
                        "properties": {
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                            "description": "Official source observation time",
                            "format": "date-time",
                            "type": "string"
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                          "source_field": {
                            "description": "Exact NOAA SWPC source field",
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                            "description": "Physical or dimensionless unit",
                            "type": "string"
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                    "description": "Normalized empty query identity",
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                    "description": "Pinned NOAA SWPC normalization contract",
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                    "properties": {
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                        "description": "Official source organization",
                        "type": "string"
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                      "products": {
                        "description": "Fixed normalized NOAA SWPC products",
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                          "description": "Product identifier",
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                    "description": "True only when a validated cached snapshot was used",
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                  },
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                    "description": "Freshness, missing-component, provenance, and interpretation limitations",
                    "items": {
                      "description": "Actionable warning",
                      "type": "string"
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                    "type": "array"
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