{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://example.com/api/client-schema.json",
  "title": "Agent Client Signals Report",
  "type": "object",
  "required": ["service", "source", "collectedAt", "client"],
  "properties": {
    "service": {
      "type": "string"
    },
    "source": {
      "type": "string"
    },
    "collectedAt": {
      "type": "string",
      "format": "date-time"
    },
    "requestInspection": {
      "type": ["object", "null"],
      "properties": {
        "method": { "type": "string" },
        "path": { "type": "string" },
        "clientIp": { "type": ["string", "null"] },
        "userAgent": { "type": ["string", "null"] },
        "acceptLanguage": { "type": ["string", "null"] },
        "secChUa": { "type": ["string", "null"] },
        "secChUaPlatform": { "type": ["string", "null"] },
        "headers": {
          "type": "object",
          "additionalProperties": { "type": "string" }
        }
      }
    },
    "client": {
      "type": "object",
      "required": ["url", "userAgent", "online", "viewport", "screen", "capabilities"],
      "properties": {
        "url": { "type": "string" },
        "path": { "type": "string" },
        "referrer": { "type": ["string", "null"] },
        "userAgent": { "type": "string" },
        "language": { "type": ["string", "null"] },
        "languages": {
          "type": "array",
          "items": { "type": "string" }
        },
        "platform": { "type": ["string", "null"] },
        "timezone": { "type": ["string", "null"] },
        "online": { "type": "boolean" },
        "doNotTrack": { "type": ["string", "null"] },
        "cookiesEnabled": { "type": "boolean" },
        "hardwareConcurrency": { "type": ["number", "null"] },
        "deviceMemoryGB": { "type": ["number", "null"] },
        "maxTouchPoints": { "type": "number" },
        "connection": {
          "type": ["object", "null"],
          "properties": {
            "effectiveType": { "type": ["string", "null"] },
            "downlinkMbps": { "type": ["number", "null"] },
            "rttMs": { "type": ["number", "null"] },
            "saveData": { "type": "boolean" }
          }
        },
        "viewport": {
          "type": "object",
          "required": ["width", "height", "pixelRatio"],
          "properties": {
            "width": { "type": "number" },
            "height": { "type": "number" },
            "pixelRatio": { "type": "number" }
          }
        },
        "screen": {
          "type": "object",
          "required": ["width", "height", "colorDepth"],
          "properties": {
            "width": { "type": "number" },
            "height": { "type": "number" },
            "colorDepth": { "type": "number" }
          }
        },
        "capabilities": {
          "type": "object",
          "required": ["localStorage", "sessionStorage", "serviceWorker", "webDriver", "reducedMotion"],
          "properties": {
            "localStorage": { "type": "boolean" },
            "sessionStorage": { "type": "boolean" },
            "serviceWorker": { "type": "boolean" },
            "webDriver": { "type": "boolean" },
            "reducedMotion": { "type": "boolean" }
          }
        }
      }
    }
  }
}