{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://booplex.com/screenslop/evidence.schema.json",
  "title": "Screenslop Evidence Bundle",
  "type": "object",
  "required": ["runId", "createdAt", "runtime", "artifacts"],
  "properties": {
    "runId": { "type": "string" },
    "createdAt": { "type": "string", "format": "date-time" },
    "surface": { "type": ["string", "null"] },
    "runtime": {
      "type": "object",
      "required": ["driver"],
      "properties": {
        "driver": { "enum": ["baguette", "xcodebuildmcp", "simctl", "manual", "matrix"] },
        "deviceName": { "type": ["string", "null"] },
        "udid": { "type": ["string", "null"] },
        "bundleId": { "type": ["string", "null"] },
        "scheme": { "type": ["string", "null"] }
      }
    },
    "matrixCell": {
      "type": "object",
      "properties": {
        "id": { "type": "string" },
        "label": { "type": "string" }
      }
    },
    "environment": {
      "type": "object",
      "properties": {
        "appearance": { "enum": ["light", "dark", "unspecified"] },
        "dynamicType": { "type": ["string", "null"] },
        "reduceMotion": { "type": "boolean" },
        "reduceTransparency": { "type": "boolean" },
        "orientation": { "type": ["string", "null"] }
      }
    },
    "artifacts": {
      "type": "object",
      "properties": {
        "screenshot": { "type": ["string", "null"] },
        "accessibilityTree": { "type": ["string", "null"] },
        "logs": { "type": ["string", "null"] },
        "summary": { "type": ["string", "null"] }
      }
    },
    "capture": {
      "type": "object",
      "required": ["status", "steps"],
      "properties": {
        "status": { "enum": ["scaffold", "dry-run", "complete", "partial", "failed", "unavailable"] },
        "steps": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["name", "ok"],
            "properties": {
              "name": { "type": "string" },
              "ok": { "type": "boolean" },
              "message": { "type": ["string", "null"] }
            }
          }
        },
        "stability": {
          "type": "object",
          "required": ["status"],
          "properties": {
            "status": { "enum": ["stable", "unstable", "unknown"] },
            "changedRatio": { "type": ["number", "null"] },
            "busiestTileRatio": { "type": ["number", "null"] },
            "sampled": { "type": "number" },
            "delayMs": { "type": "number" },
            "reason": { "type": ["string", "null"] }
          }
        },
        "foreground": {
          "type": "object",
          "required": ["status"],
          "properties": {
            "status": { "enum": ["match", "mismatch", "unverified"] },
            "observed": { "type": ["string", "null"] },
            "expected": { "type": ["string", "null"] },
            "message": { "type": ["string", "null"] },
            "screenTitle": { "type": ["string", "null"] },
            "declaredSurface": { "type": ["string", "null"] }
          }
        }
      }
    },
    "sourceHints": {
      "type": "array",
      "items": { "type": "string" }
    }
  }
}