[
  {
    "event_type": "orchestrator.tool_call",
    "trace_id": "3f6f8c90-2a21-4b3e-9d77-8f2c1a5b6d01",
    "conversation_id": "conv_yosemite_trip",
    "payload": {
      "session_id": "ads_sess_88ab12",
      "iteration": 2,
      "tool_name": "auction",
      "arguments": {
        "nominations": [
          "cand_shoe01",
          "cand_shoe02"
        ]
      },
      "result": {
        "admission": {
          "min_relevance_met": true,
          "min_value_met": true
        },
        "ranking": [
          {
            "candidate_id": "cand_shoe01",
            "quality_adjusted_score": 0.91,
            "rank": 1
          },
          {
            "candidate_id": "cand_shoe02",
            "quality_adjusted_score": 0.74,
            "rank": 2
          }
        ],
        "pricing": {
          "price": 1.35,
          "currency": "USD"
        },
        "pacing_applied": true,
        "winner": {
          "candidate_id": "cand_shoe01",
          "advertiser_id": "adv_trailgear",
          "campaign_id": "cmp_spring25",
          "creative": {
            "title": "TrailGrip X — built for Yosemite-grade terrain",
            "description": "Waterproof, 4mm lug grip, 30-day trial.",
            "destination_link": "https://example.com/trailgrip",
            "cta": "See fit options"
          },
          "bid": 1.2,
          "locale_eligibility": [
            "US",
            "CA"
          ],
          "product_reviews": {
            "avg_rating": 4.6,
            "review_count": 12841
          }
        }
      }
    },
    "reference_kind": "illustrative-internal-model",
    "schema_version": "1.0.0",
    "publisher": "Harness · AI Knowledge Hub"
  },
  {
    "reference_kind": "illustrative-internal-model",
    "schema_version": "1.0.0",
    "event_type": "orchestrator.tool_call",
    "payload": {
      "session_id": "synthetic-session",
      "iteration": 1,
      "tool_name": "embed",
      "arguments": {
        "texts": [
          "packable travel footwear"
        ]
      },
      "result": {
        "vectors": [
          [
            0.1,
            0.2,
            -0.1
          ]
        ]
      }
    },
    "publisher": "Harness · AI Knowledge Hub"
  },
  {
    "reference_kind": "illustrative-internal-model",
    "schema_version": "1.0.0",
    "event_type": "orchestrator.tool_call",
    "payload": {
      "session_id": "synthetic-session",
      "iteration": 2,
      "tool_name": "final_gate",
      "arguments": {
        "winner": "synthetic-ad"
      },
      "result": {
        "deliver": false,
        "block_reason": "feels_inappropriate_in_chat"
      }
    },
    "publisher": "Harness · AI Knowledge Hub"
  },
  {
    "reference_kind": "illustrative-internal-model",
    "schema_version": "1.0.0",
    "event_type": "orchestrator.tool_call",
    "payload": {
      "session_id": "synthetic-session",
      "iteration": 2,
      "tool_name": "final_gate",
      "arguments": {
        "winner": "synthetic-ad"
      },
      "result": {
        "deliver": true,
        "block_reason": null
      }
    },
    "publisher": "Harness · AI Knowledge Hub"
  },
  {
    "reference_kind": "illustrative-internal-model",
    "schema_version": "1.0.0",
    "event_type": "frontend.ad_event",
    "payload": {
      "session_id": "synthetic-session",
      "event": "dropped_arrived_late",
      "arrival_delta_ms": 24
    },
    "publisher": "Harness · AI Knowledge Hub"
  },
  {
    "reference_kind": "illustrative-internal-model",
    "schema_version": "1.0.0",
    "event_type": "frontend.ad_event",
    "payload": {
      "session_id": "synthetic-session",
      "event": "impression_shown",
      "arrival_delta_ms": -20
    },
    "publisher": "Harness · AI Knowledge Hub"
  },
  {
    "reference_kind": "illustrative-internal-model",
    "schema_version": "1.0.0",
    "event_type": "orchestrator.tool_call",
    "payload": {
      "session_id": "synthetic-session",
      "iteration": 1,
      "tool_name": "auction",
      "arguments": {
        "nominations": [
          "cand_shoe01",
          "cand_shoe02"
        ]
      },
      "result": {
        "admission": {
          "min_relevance_met": false,
          "min_value_met": false
        },
        "ranking": [],
        "winner": null,
        "pricing": null
      }
    },
    "publisher": "Harness · AI Knowledge Hub"
  }
]