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          "correlation_id": { "type": ["string", "null"], "default": null },
          "request_id": { "type": ["string", "null"], "default": null },
          "fingerprint_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "source_event_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "ingest_job_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "parser_version": { "type": ["string", "null"], "default": null },
          "schema_version": { "type": ["string", "null"], "default": null },
          "provenance_status": { "type": ["string", "null"], "default": null },
          "score": { "type": ["number", "null"], "default": null },
          "dead": { "type": "boolean", "default": false },
          "deleted": { "type": "boolean", "default": false },
          "metadata": { "type": "object", "default": {} }
        },
        "additionalProperties": false
      },
      "podcast": {
        "allOf": [
          { "$ref": "#/$defs/baseItem" },
          {
            "type": "object",
            "required": ["type", "slug", "feed_id", "feed_url", "episode_count", "aliases"],
            "properties": {
              "type": { "const": "podcast" },
              "slug": { "$ref": "#/$defs/slug" },
              "feed_id": { "$ref": "#/$defs/idInteger" },
              "feed_url": { "$ref": "#/$defs/url" },
              "site_url": { "anyOf": [{ "$ref": "#/$defs/url" }, { "type": "null" }], "default": null },
              "image": { "type": ["string", "null"], "default": null },
              "language": { "type": ["string", "null"], "default": null },
              "categories": {
                "type": "array",
                "items": { "type": "string" },
                "default": []
              },
              "episode_count": { "type": "integer", "minimum": 0 },
              "last_episode_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
              "aliases": {
                "type": "array",
                "items": { "type": "string" },
                "default": []
              }
            },
            "additionalProperties": false
          }
        ]
      },
      "episode": {
        "allOf": [
          { "$ref": "#/$defs/baseItem" },
          {
            "type": "object",
            "required": ["type", "podcast_id", "feed_id", "guid", "slug"],
            "properties": {
              "type": { "const": "episode" },
              "podcast_id": { "$ref": "#/$defs/idInteger" },
              "feed_id": { "$ref": "#/$defs/idInteger" },
              "guid": { "type": "string", "minLength": 1 },
              "slug": { "$ref": "#/$defs/slug" },
              "description_html": { "type": ["string", "null"], "default": null },
              "description_text": { "type": ["string", "null"], "default": null },
              "audio_url": { "anyOf": [{ "$ref": "#/$defs/url" }, { "type": "null" }], "default": null },
              "audio_mime_type": { "type": ["string", "null"], "default": null },
              "audio_bytes": { "type": ["integer", "null"], "minimum": 0, "default": null },
              "duration_seconds": { "type": ["integer", "null"], "minimum": 0, "default": null },
              "published_at": { "anyOf": [{ "$ref": "#/$defs/timestamp" }, { "type": "null" }], "default": null },
              "image": { "type": ["string", "null"], "default": null },
              "explicit": { "type": ["boolean", "null"], "default": null },
              "episode_number": { "type": ["integer", "null"], "minimum": 0, "default": null },
              "season_number": { "type": ["integer", "null"], "minimum": 0, "default": null },
              "transcript_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
              "chapter_ids": {
                "type": "array",
                "items": { "$ref": "#/$defs/idInteger" },
                "default": []
              },
              "person_ids": {
                "type": "array",
                "items": { "$ref": "#/$defs/idInteger" },
                "default": []
              },
              "snapshot_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null }
            },
            "additionalProperties": false
          }
        ]
      },
      "document": {
        "allOf": [
          { "$ref": "#/$defs/baseItem" },
          {
            "type": "object",
            "required": ["type", "slug"],
            "properties": {
              "type": { "const": "document" },
              "slug": { "$ref": "#/$defs/slug" },
              "source_url": { "anyOf": [{ "$ref": "#/$defs/url" }, { "type": "null" }], "default": null },
              "content_type": { "type": ["string", "null"], "default": null },
              "version_label": { "type": ["string", "null"], "default": null },
              "author": { "type": ["string", "null"], "default": null },
              "published_at": { "anyOf": [{ "$ref": "#/$defs/timestamp" }, { "type": "null" }], "default": null },
              "updated_at": { "anyOf": [{ "$ref": "#/$defs/timestamp" }, { "type": "null" }], "default": null }
            },
            "additionalProperties": false
          }
        ]
      },
      "trace": {
        "allOf": [
          { "$ref": "#/$defs/baseItem" },
          {
            "type": "object",
            "required": ["type", "status"],
            "properties": {
              "type": { "const": "trace" },
              "root_request_id": { "type": ["string", "null"], "default": null },
              "root_event_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
              "started_at": { "anyOf": [{ "$ref": "#/$defs/timestamp" }, { "type": "null" }], "default": null },
              "completed_at": { "anyOf": [{ "$ref": "#/$defs/timestamp" }, { "type": "null" }], "default": null },
              "duration_ms": { "type": ["integer", "null"], "minimum": 0, "default": null },
              "agent_run_ids": {
                "type": "array",
                "items": { "$ref": "#/$defs/idInteger" },
                "default": []
              },
              "event_ids": {
                "type": "array",
                "items": { "$ref": "#/$defs/idInteger" },
                "default": []
              },
              "observation_ids": {
                "type": "array",
                "items": { "$ref": "#/$defs/idInteger" },
                "default": []
              }
            },
            "additionalProperties": false
          }
        ]
      },
      "event": {
        "type": "object",
        "required": ["id", "event_type", "time"],
        "properties": {
          "id": { "$ref": "#/$defs/idInteger" },
          "universe_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "realm_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "event_type": { "type": "string", "minLength": 1 },
          "severity": { "type": "string", "default": "info" },
          "status": { "type": ["string", "null"], "default": null },
          "trace_id": { "type": ["string", "null"], "default": null },
          "correlation_id": { "type": ["string", "null"], "default": null },
          "request_id": { "type": ["string", "null"], "default": null },
          "actor_type": { "type": ["string", "null"], "default": null },
          "actor_id": { "type": ["string", "null"], "default": null },
          "target_type": { "type": ["string", "null"], "default": null },
          "target_id": { "type": ["string", "null"], "default": null },
          "message": { "type": ["string", "null"], "default": null },
          "payload": { "type": "object", "default": {} },
          "time": { "$ref": "#/$defs/timestamp" }
        },
        "additionalProperties": false
      },
      "observation": {
        "type": "object",
        "required": ["id", "subject_type", "subject_id", "metric_name", "observed_at"],
        "properties": {
          "id": { "$ref": "#/$defs/idInteger" },
          "universe_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "realm_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "subject_type": { "type": "string" },
          "subject_id": { "type": "string" },
          "metric_name": { "type": "string" },
          "metric_value": { "type": ["number", "null"], "default": null },
          "metric_text": { "type": ["string", "null"], "default": null },
          "metric_unit": { "type": ["string", "null"], "default": null },
          "confidence": { "type": ["number", "null"], "default": null },
          "trace_id": { "type": ["string", "null"], "default": null },
          "observed_at": { "$ref": "#/$defs/timestamp" },
          "metadata": { "type": "object", "default": {} }
        },
        "additionalProperties": false
      },
      "provenanceEdge": {
        "type": "object",
        "required": ["id", "from_type", "from_id", "to_type", "to_id", "edge_type", "time"],
        "properties": {
          "id": { "$ref": "#/$defs/idInteger" },
          "from_type": { "type": "string" },
          "from_id": { "$ref": "#/$defs/idInteger" },
          "to_type": { "type": "string" },
          "to_id": { "$ref": "#/$defs/idInteger" },
          "edge_type": {
            "type": "string",
            "enum": [
              "references",
              "derived_from",
              "mirrors",
              "routes_to",
              "curated_into",
              "observes",
              "alerts_on",
              "scores",
              "indexes",
              "summarizes"
            ]
          },
          "created_by": { "type": ["string", "null"], "default": null },
          "created_by_agent_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "trace_id": { "type": ["string", "null"], "default": null },
          "time": { "$ref": "#/$defs/timestamp" },
          "metadata": { "type": "object", "default": {} }
        },
        "additionalProperties": false
      },
      "fingerprint": {
        "type": "object",
        "required": ["id", "fingerprint_type", "fingerprint_value", "first_seen_at", "last_seen_at"],
        "properties": {
          "id": { "$ref": "#/$defs/idInteger" },
          "realm_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "fingerprint_type": {
            "type": "string",
            "enum": [
              "ja4",
              "ja4h",
              "ja4s",
              "ua_hash",
              "route_digest",
              "vercel_digest",
              "tool_signature",
              "agent_signature"
            ]
          },
          "fingerprint_value": { "type": "string", "minLength": 1 },
          "normalized_value": { "type": ["string", "null"], "default": null },
          "classification": { "type": ["string", "null"], "default": null },
          "confidence": { "type": ["number", "null"], "default": null },
          "trust_score": { "type": ["number", "null"], "default": null },
          "first_seen_at": { "$ref": "#/$defs/timestamp" },
          "last_seen_at": { "$ref": "#/$defs/timestamp" },
          "notes": { "type": ["string", "null"], "default": null },
          "metadata": { "type": "object", "default": {} }
        },
        "additionalProperties": false
      },
      "requestObservation": {
        "type": "object",
        "required": ["id", "request_id", "observed_at"],
        "properties": {
          "id": { "$ref": "#/$defs/idInteger" },
          "universe_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "realm_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "request_id": { "type": "string", "minLength": 1 },
          "trace_id": { "type": ["string", "null"], "default": null },
          "correlation_id": { "type": ["string", "null"], "default": null },
          "fingerprint_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "method": { "type": ["string", "null"], "default": null },
          "path": { "type": ["string", "null"], "default": null },
          "host": { "type": ["string", "null"], "default": null },
          "edge_region": { "type": ["string", "null"], "default": null },
          "runtime": { "type": ["string", "null"], "default": null },
          "latency_ms": { "type": ["integer", "null"], "minimum": 0, "default": null },
          "status_code": { "type": ["integer", "null"], "minimum": 100, "maximum": 599, "default": null },
          "cache_status": { "type": ["string", "null"], "default": null },
          "bot_score": { "type": ["number", "null"], "default": null },
          "trust_score": { "type": ["number", "null"], "default": null },
          "observed_at": { "$ref": "#/$defs/timestamp" },
          "metadata": { "type": "object", "default": {} }
        },
        "additionalProperties": false
      },
      "edgeTrace": {
        "type": "object",
        "required": ["id", "request_id", "time"],
        "properties": {
          "id": { "$ref": "#/$defs/idInteger" },
          "request_id": { "type": "string" },
          "trace_id": { "type": ["string", "null"], "default": null },
          "edge_node": { "type": ["string", "null"], "default": null },
          "route_signature": { "type": ["string", "null"], "default": null },
          "digest": { "type": ["string", "null"], "default": null },
          "source_ip_classification": { "type": ["string", "null"], "default": null },
          "destination_service": { "type": ["string", "null"], "default": null },
          "policy_decision": { "type": ["string", "null"], "default": null },
          "firewall_action": { "type": ["string", "null"], "default": null },
          "time": { "$ref": "#/$defs/timestamp" },
          "metadata": { "type": "object", "default": {} }
        },
        "additionalProperties": false
      },
      "agent": {
        "type": "object",
        "required": ["id", "slug", "name", "agent_type", "active", "created_at", "updated_at"],
        "properties": {
          "id": { "$ref": "#/$defs/idInteger" },
          "realm_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "slug": { "$ref": "#/$defs/slug" },
          "name": { "type": "string", "minLength": 1 },
          "agent_type": { "type": "string", "minLength": 1 },
          "capability_profile": { "type": "object", "default": {} },
          "trust_level": {
            "type": ["string", "null"],
            "enum": ["low", "standard", "elevated", "high", "verified", "restricted", "network-observable", null],
            "default": null
          },
          "active": { "type": "boolean", "default": true },
          "created_at": { "$ref": "#/$defs/timestamp" },
          "updated_at": { "$ref": "#/$defs/timestamp" }
        },
        "additionalProperties": false
      },
      "agentRun": {
        "type": "object",
        "required": ["id", "agent_id", "status", "started_at"],
        "properties": {
          "id": { "$ref": "#/$defs/idInteger" },
          "agent_id": { "$ref": "#/$defs/idInteger" },
          "realm_id": { "anyOf": [{ "$ref": "#/$defs/idInteger" }, { "type": "null" }], "default": null },
          "trace_id": { "type": ["string", "null"], "default": null },
          "correlation_id": { "type": ["string", "null"], "default": null },
          "session_id": { "type": ["string", "null"], "default": null },
          "trigger_type": { "type": ["string", "null"], "default": null },
          "trigger_id": { "type": ["string", "null"], "default": null },
          "status": {
            "type": "string",
            "enum": ["active", "inactive", "draft", "queued", "running", "succeeded", "failed", "archived", "deleted"]
          },
          "started_at": { "$ref": "#/$defs/timestamp" },
          "completed_at": { "anyOf": [{ "$ref": "#/$defs/timestamp" }, { "type": "null" }], "default": null },
          "metadata": { "type": "object", "default": {} }
        },
        "additionalProperties": false
      },
      "toolCall": {
        "type": "object",
        "required": ["id", "agent_run_id", "tool_name", "status", "started_at"],
        "properties": {
          "id": { "$ref": "#/$defs/idInteger" },
          "agent_run_id": { "$ref": "#/$defs/idInteger" },
          "tool_name": { "type": "string", "minLength": 1 },
          "input_hash": { "type": ["string", "null"], "default": null },
          "output_hash": { "type": ["string", "null"], "default": null },
          "status": {
            "type": "string",
            "enum": ["active", "inactive", "draft", "queued", "running", "succeeded", "failed", "archived", "deleted"]
          },
          "duration_ms": { "type": ["integer", "null"], "minimum": 0, "default": null },
          "error_code": { "type": ["string", "null"], "default": null },
          "trace_id": { "type": ["string", "null"], "default": null },
          "started_at": { "$ref": "#/$defs/timestamp" },
          "completed_at": { "anyOf": [{ "$ref": "#/$defs/timestamp" }, { "type": "null" }], "default": null },
          "metadata": { "type": "object", "default": {} }
        },
        "additionalProperties": false
      }
    }
  },
  "additionalProperties": false
}