{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://stardust.dev/schemas/rollout-scorecard.schema.json",
  "title": "stardust rollout/optimize/scorecard.json",
  "description": "Delivery-quality scorecard: per-layer health 0-100 (null = not assessed by the automated gate), an overall health, the open severity mix, and a history[] so progress across rollout runs is visible. Written by stardust:rollout/optimize.",
  "type": "object",
  "required": ["_provenance", "current", "history"],
  "additionalProperties": false,
  "properties": {
    "_provenance": { "$ref": "#/$defs/provenance" },
    "current": { "$ref": "#/$defs/snapshot" },
    "history": { "type": "array", "items": { "$ref": "#/$defs/snapshot" } }
  },
  "$defs": {
    "provenance": {
      "type": "object",
      "required": ["writtenBy", "writtenAt", "stardustVersion"],
      "properties": {
        "writtenBy": { "type": "string", "examples": ["stardust:rollout/optimize"] },
        "writtenAt": { "type": "string", "format": "date-time" },
        "stardustVersion": { "type": "string" }
      }
    },
    "score": { "type": ["integer", "null"], "minimum": 0, "maximum": 100 },
    "snapshot": {
      "type": "object",
      "required": ["runId", "at", "overall", "dimensions", "severity"],
      "additionalProperties": false,
      "properties": {
        "runId": { "type": "string" },
        "at": { "type": "string", "format": "date-time" },
        "overall": { "$ref": "#/$defs/score" },
        "dimensions": {
          "type": "object",
          "additionalProperties": false,
          "required": ["brand-tensions", "design-ux", "accessibility", "seo", "content-conversion", "ai-search", "cross-page"],
          "properties": {
            "brand-tensions": { "$ref": "#/$defs/score" },
            "design-ux": { "$ref": "#/$defs/score" },
            "accessibility": { "$ref": "#/$defs/score" },
            "seo": { "$ref": "#/$defs/score" },
            "content-conversion": { "$ref": "#/$defs/score" },
            "ai-search": { "$ref": "#/$defs/score" },
            "cross-page": { "$ref": "#/$defs/score" }
          }
        },
        "severity": {
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "P1": { "type": "integer", "minimum": 0 },
            "P2": { "type": "integer", "minimum": 0 },
            "P3": { "type": "integer", "minimum": 0 }
          }
        },
        "fixed": {
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "P1": { "type": "integer", "minimum": 0 },
            "P2": { "type": "integer", "minimum": 0 },
            "P3": { "type": "integer", "minimum": 0 }
          }
        }
      }
    }
  }
}