{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "array",
  "items": {
    "type": "object",
    "required": ["id", "name", "url", "type", "implements", "org_id", "archetypes", "implementations", "observed", "date_basis", "source", "note"],
    "additionalProperties": false,
    "properties": {
      "id": { "type": "string", "pattern": "^[a-z0-9-]+$" },
      "org_id": { "type": "string", "pattern": "^[a-z0-9-]+$" },
      "name": { "type": "string", "minLength": 1 },
      "url": { "type": "string", "pattern": "^https://" },
      "type": {
        "enum": [
          "origin",
          "harness",
          "sdk",
          "venue",
          "authority",
          "agent"
        ]
      },
      "implements": {
        "type": "array",
        "minItems": 1,
        "items": { "type": "string" }
      },
      "archetypes": {
        "type": "array",
        "items": {
          "type": "string",
          "enum": [
            "payments_onchain",
            "web_discovery",
            "crawler_policy",
            "harnesses_rpc_ui",
            "browser_telemetry",
            "identity_auth_crypto"
          ]
        }
      },
      "implementations": {
        "type": "array",
        "minItems": 1,
        "items": {
          "type": "object",
          "required": [
            "protocol_id",
            "schema_id",
            "archetype_slug",
            "side",
            "actor",
            "role",
            "status",
            "status_display",
            "support_level"
          ],
          "additionalProperties": false,
          "properties": {
            "protocol_id": { "type": "string", "pattern": "^[a-z0-9-]+$" },
            "schema_id": { "type": "string" },
            "archetype_slug": { "type": "string" },
            "side": { "type": "string", "pattern": "^(side_a|side_b|additional_[a-z0-9_-]+)$" },
            "actor": { "type": "string" },
            "role": { "type": "string" },
            "status": { "type": "string" },
            "status_display": { "type": "string" },
            "support_level": { "type": "string", "enum": ["full", "partial", "planned", "none"] },
            "probe_mode": { "type": ["string", "null"] },
            "checked_on": { "type": ["string", "null"], "pattern": "^\\d{4}(?:-\\d{2}(?:-\\d{2})?)?$" },
            "as_of": { "type": ["string", "null"], "pattern": "^\\d{4}(?:-\\d{2}(?:-\\d{2})?)?$" },
            "col4_md": { "type": "string" },
            "full_detail_md": { "type": ["string", "null"] },
            "facets": {
              "type": ["object", "null"],
              "propertyNames": { "pattern": "^[a-zA-Z0-9_.-]+$" },
              "additionalProperties": { "type": ["string", "number", "boolean", "null", "array"] }
            },
            "telemetry": {
              "type": ["object", "null"],
              "propertyNames": { "pattern": "^[a-zA-Z0-9_.-]+$" },
              "additionalProperties": { "type": ["string", "number", "boolean", "null", "array"] }
            },
            "source_url": { "type": ["string", "null"], "pattern": "^https://" }
          }
        }
      },
      "observed": { "type": "string", "pattern": "^\\d{4}-\\d{2}-\\d{2}$" },
      "date_basis": { "enum": ["source", "recorded"] },
      "source": { "type": "string", "pattern": "^https://" },
      "note": { "type": "string" }
    }
  }
}