{
  "implementation_fingerprint": "360b7389eedf178e9cd4bf3e5041b079589f859fd47943b92a5dbbc54f829576",
  "dataset": "synthetic-v1-seed-7",
  "products": 400,
  "locations": 8,
  "inventory_records": 3200,
  "environment": {
    "python": "3.12.14",
    "backend": "SQLite",
    "provider": "fact templates",
    "clock": "2026-10-11T12:00:00+00:00"
  },
  "method": "20 sequential runs per scenario including persistence; p95 is nearest-rank.",
  "limits": "Local synthetic workload only. Snowflake, Azure, cloud models and production outcomes are not measured.",
  "scenarios": [
    {
      "scenario": "standard",
      "passed": true,
      "runs": 20,
      "p50_ms": 3.753,
      "p95_ms": 3.864,
      "output": {
        "session_id": "6e2c2e6507f4df285019f6e145405a98",
        "revision": 1,
        "filters": {
          "vehicle_id": "V01",
          "size": "225/55R17",
          "store_id": "S01",
          "quantity": 4,
          "budget": 150.0,
          "min_load_index": 98,
          "min_speed_rank": 4,
          "season": "any",
          "priority": "balanced",
          "max_lead_days": 3
        },
        "vehicle": {
          "vehicle_id": "V01",
          "name": "Sample sedan",
          "size": "225/55R17",
          "min_load_index": 98,
          "min_speed_rank": 4,
          "fitment_version": "illustrative-fitment-v1"
        },
        "recommendations": [
          {
            "product_id": "T0266",
            "brand": "Ridgepoint",
            "name": "Touring 266",
            "size": "225/55R17",
            "load_index": 103,
            "speed_rank": 5,
            "speed_symbol": "W",
            "season": "summer",
            "price": 113.74,
            "comfort": 10,
            "wet_grip": 9,
            "warranty_miles": 70000,
            "tier": "Touring",
            "description": "Fictional touring tire. Illustrative comfort 10/10 and wet grip 9/10.",
            "store_id": "S01",
            "location_name": "Loop retailer",
            "kind": "store",
            "lead_days": 0,
            "distance": 0.0,
            "available_quantity": 4,
            "observed_epoch": 1791719280,
            "comfort_feature": 1.0,
            "wet_feature": 0.9,
            "proximity_feature": 1.0,
            "price_feature": 0.24173333333333336,
            "delivery_feature": 1,
            "score": 82.335,
            "age_minutes": 12.0,
            "score_contributions": {
              "Comfort": 25.0,
              "Wet grip": 22.5,
              "Price": 4.835,
              "Proximity": 15.0,
              "Delivery": 15.0
            },
            "explanation": "4 available at Loop retailer. Illustrative comfort 10/10. Illustrative wet grip 9/10.",
            "highlight_keys": [
              "availability",
              "comfort",
              "wet_grip"
            ],
            "citation": "synthetic-catalog:T0266"
          },
          {
            "product_id": "T0046",
            "brand": "Ridgepoint",
            "name": "Essential 046",
            "size": "225/55R17",
            "load_index": 101,
            "speed_rank": 5,
            "speed_symbol": "W",
            "season": "all-season",
            "price": 111.83,
            "comfort": 9,
            "wet_grip": 9,
            "warranty_miles": 50000,
            "tier": "Essential",
            "description": "Fictional essential tire. Illustrative comfort 9/10 and wet grip 9/10.",
            "store_id": "S01",
            "location_name": "Loop retailer",
            "kind": "store",
            "lead_days": 0,
            "distance": 0.0,
            "available_quantity": 6,
            "observed_epoch": 1791719160,
            "comfort_feature": 0.9,
            "wet_feature": 0.9,
            "proximity_feature": 1.0,
            "price_feature": 0.25446666666666673,
            "delivery_feature": 1,
            "score": 80.089,
            "age_minutes": 14.0,
            "score_contributions": {
              "Comfort": 22.5,
              "Wet grip": 22.5,
              "Price": 5.089,
              "Proximity": 15.0,
              "Delivery": 15.0
            },
            "explanation": "6 available at Loop retailer. Illustrative comfort 9/10. Illustrative wet grip 9/10.",
            "highlight_keys": [
              "availability",
              "comfort",
              "wet_grip"
            ],
            "citation": "synthetic-catalog:T0046"
          },
          {
            "product_id": "T0176",
            "brand": "Arcway",
            "name": "Touring 176",
            "size": "225/55R17",
            "load_index": 99,
            "speed_rank": 5,
            "speed_symbol": "W",
            "season": "summer",
            "price": 99.07,
            "comfort": 7,
            "wet_grip": 9,
            "warranty_miles": 60000,
            "tier": "Touring",
            "description": "Fictional touring tire. Illustrative comfort 7/10 and wet grip 9/10.",
            "store_id": "S01",
            "location_name": "Loop retailer",
            "kind": "store",
            "lead_days": 0,
            "distance": 0.0,
            "available_quantity": 4,
            "observed_epoch": 1791719040,
            "comfort_feature": 0.7,
            "wet_feature": 0.9,
            "proximity_feature": 1.0,
            "price_feature": 0.33953333333333335,
            "delivery_feature": 1,
            "score": 76.791,
            "age_minutes": 16.0,
            "score_contributions": {
              "Comfort": 17.5,
              "Wet grip": 22.5,
              "Price": 6.791,
              "Proximity": 15.0,
              "Delivery": 15.0
            },
            "explanation": "4 available at Loop retailer. Illustrative comfort 7/10. Illustrative wet grip 9/10.",
            "highlight_keys": [
              "availability",
              "comfort",
              "wet_grip"
            ],
            "citation": "synthetic-catalog:T0176"
          },
          {
            "product_id": "T0286",
            "brand": "Ridgepoint",
            "name": "Essential 286",
            "size": "225/55R17",
            "load_index": 99,
            "speed_rank": 4,
            "speed_symbol": "V",
            "season": "all-season",
            "price": 144.95,
            "comfort": 10,
            "wet_grip": 8,
            "warranty_miles": 40000,
            "tier": "Essential",
            "description": "Fictional essential tire. Illustrative comfort 10/10 and wet grip 8/10.",
            "store_id": "S01",
            "location_name": "Loop retailer",
            "kind": "store",
            "lead_days": 0,
            "distance": 0.0,
            "available_quantity": 12,
            "observed_epoch": 1791719760,
            "comfort_feature": 1.0,
            "wet_feature": 0.8,
            "proximity_feature": 1.0,
            "price_feature": 0.033666666666666734,
            "delivery_feature": 1,
            "score": 75.673,
            "age_minutes": 4.0,
            "score_contributions": {
              "Comfort": 25.0,
              "Wet grip": 20.0,
              "Price": 0.673,
              "Proximity": 15.0,
              "Delivery": 15.0
            },
            "explanation": "12 available at Loop retailer. Illustrative comfort 10/10. Illustrative wet grip 8/10.",
            "highlight_keys": [
              "availability",
              "comfort",
              "wet_grip"
            ],
            "citation": "synthetic-catalog:T0286"
          },
          {
            "product_id": "T0291",
            "brand": "Daymark",
            "name": "Premium 291",
            "size": "225/55R17",
            "load_index": 99,
            "speed_rank": 4,
            "speed_symbol": "V",
            "season": "winter",
            "price": 108.1,
            "comfort": 8,
            "wet_grip": 8,
            "warranty_miles": 40000,
            "tier": "Premium",
            "description": "Fictional premium tire. Illustrative comfort 8/10 and wet grip 8/10.",
            "store_id": "S01",
            "location_name": "Loop retailer",
            "kind": "store",
            "lead_days": 0,
            "distance": 0.0,
            "available_quantity": 5,
            "observed_epoch": 1791718920,
            "comfort_feature": 0.8,
            "wet_feature": 0.8,
            "proximity_feature": 1.0,
            "price_feature": 0.2793333333333333,
            "delivery_feature": 1,
            "score": 75.587,
            "age_minutes": 18.0,
            "score_contributions": {
              "Comfort": 20.0,
              "Wet grip": 20.0,
              "Price": 5.587,
              "Proximity": 15.0,
              "Delivery": 15.0
            },
            "explanation": "5 available at Loop retailer. Illustrative comfort 8/10. Illustrative wet grip 8/10.",
            "highlight_keys": [
              "availability",
              "comfort",
              "wet_grip"
            ],
            "citation": "synthetic-catalog:T0291"
          },
          {
            "product_id": "T0011",
            "brand": "Daymark",
            "name": "Touring 011",
            "size": "225/55R17",
            "load_index": 100,
            "speed_rank": 6,
            "speed_symbol": "Y",
            "season": "summer",
            "price": 130.31,
            "comfort": 9,
            "wet_grip": 8,
            "warranty_miles": 40000,
            "tier": "Touring",
            "description": "Fictional touring tire. Illustrative comfort 9/10 and wet grip 8/10.",
            "store_id": "S01",
            "location_name": "Loop retailer",
            "kind": "store",
            "lead_days": 0,
            "distance": 0.0,
            "available_quantity": 7,
            "observed_epoch": 1791718980,
            "comfort_feature": 0.9,
            "wet_feature": 0.8,
            "proximity_feature": 1.0,
            "price_feature": 0.13126666666666664,
            "delivery_feature": 1,
            "score": 75.125,
            "age_minutes": 17.0,
            "score_contributions": {
              "Comfort": 22.5,
              "Wet grip": 20.0,
              "Price": 2.625,
              "Proximity": 15.0,
              "Delivery": 15.0
            },
            "explanation": "7 available at Loop retailer. Illustrative comfort 9/10. Illustrative wet grip 8/10.",
            "highlight_keys": [
              "availability",
              "comfort",
              "wet_grip"
            ],
            "citation": "synthetic-catalog:T0011"
          }
        ],
        "premium_option": {
          "product_id": "T0002",
          "brand": "Ridgepoint",
          "name": "Touring 002",
          "size": "225/55R17",
          "load_index": 100,
          "speed_rank": 4,
          "speed_symbol": "V",
          "season": "all-season",
          "price": 165.0,
          "comfort": 10,
          "wet_grip": 10,
          "warranty_miles": 70000,
          "tier": "Touring",
          "description": "Illustrative product specification, not a manufacturer performance claim.",
          "store_id": "S01",
          "location_name": "Loop retailer",
          "kind": "store",
          "lead_days": 0,
          "distance": 0.0,
          "available_quantity": 8,
          "observed_epoch": 1791719220,
          "comfort_feature": 1.0,
          "wet_feature": 1.0,
          "proximity_feature": 1.0,
          "price_feature": 0.12,
          "delivery_feature": 1,
          "score": 82.4,
          "above_budget": true,
          "extra_per_tire": 51.26,
          "age_minutes": 13.0,
          "score_contributions": {
            "Comfort": 25.0,
            "Wet grip": 25.0,
            "Price": 2.4,
            "Proximity": 15.0,
            "Delivery": 15.0
          },
          "explanation": "8 available at Loop retailer. Illustrative comfort 10/10. Illustrative wet grip 10/10.",
          "highlight_keys": [
            "availability",
            "comfort",
            "wet_grip"
          ],
          "citation": "synthetic-catalog:T0002"
        },
        "explanation": {
          "mode": "template",
          "status": "ready",
          "highlights": [
            "availability",
            "comfort",
            "wet_grip"
          ],
          "context": [
            {
              "product_id": "T0002",
              "description": "Illustrative product specification, not a manufacturer performance claim."
            },
            {
              "product_id": "T0011",
              "description": "Fictional touring tire. Illustrative comfort 9/10 and wet grip 8/10."
            },
            {
              "product_id": "T0046",
              "description": "Fictional essential tire. Illustrative comfort 9/10 and wet grip 9/10."
            },
            {
              "product_id": "T0176",
              "description": "Fictional touring tire. Illustrative comfort 7/10 and wet grip 9/10."
            },
            {
              "product_id": "T0266",
              "description": "Fictional touring tire. Illustrative comfort 10/10 and wet grip 9/10."
            },
            {
              "product_id": "T0286",
              "description": "Fictional essential tire. Illustrative comfort 10/10 and wet grip 8/10."
            },
            {
              "product_id": "T0291",
              "description": "Fictional premium tire. Illustrative comfort 8/10 and wet grip 8/10."
            }
          ],
          "policy": "Models select emphasis keys; facts and citations are rendered by application code."
        },
        "trace": {
          "request_id": "10d7d8d5cfeba420",
          "stages": [
            {
              "component": "api",
              "label": "Resolve server-defined demo retailer scope",
              "duration_ms": 0.172
            },
            {
              "component": "state",
              "label": "Merge typed preferences before querying",
              "duration_ms": 0.012
            },
            {
              "component": "sql",
              "label": "SQL eligibility, inventory joins and ranking (one measured query)",
              "duration_ms": 1.043
            },
            {
              "component": "explain",
              "label": "Scoped product facts and bounded explanations",
              "duration_ms": 0.199
            }
          ],
          "query_candidate_locations": 63,
          "unique_recommendations": 6,
          "retailer_scope": [
            "S01",
            "S02",
            "S03",
            "S04"
          ],
          "hard_constraints": [
            "illustrative fitment",
            "minimum load/speed",
            "quantity at one location",
            "freshness",
            "delivery limit"
          ],
          "filters": {
            "vehicle_id": "V01",
            "size": "225/55R17",
            "store_id": "S01",
            "quantity": 4,
            "budget": 150.0,
            "min_load_index": 98,
            "min_speed_rank": 4,
            "season": "any",
            "priority": "balanced",
            "max_lead_days": 3
          },
          "preference_changes": [],
          "weights": {
            "Comfort": 0.25,
            "Wet grip": 0.25,
            "Price": 0.2,
            "Proximity": 0.15,
            "Delivery": 0.15
          },
          "data_version": "synthetic-v1-seed-7",
          "rules_version": "eligibility-v1-ranking-v1",
          "as_of": "2026-10-11T12:00:00+00:00",
          "scenario": "standard",
          "simulation": "Scenario overrides are request-local; stored inventory is unchanged.",
          "total_ms": 3.804
        },
        "no_result": null
      }
    },
    {
      "scenario": "nearby",
      "passed": true,
      "runs": 20,
      "p50_ms": 3.284,
      "p95_ms": 5.25,
      "output": {
        "session_id": "1be8230f2e875ae101161fb96e6f9259",
        "revision": 1,
        "filters": {
          "vehicle_id": "V01",
          "size": "225/55R17",
          "store_id": "S01",
          "quantity": 4,
          "budget": 150.0,
          "min_load_index": 98,
          "min_speed_rank": 4,
          "season": "any",
          "priority": "balanced",
          "max_lead_days": 3
        },
        "vehicle": {
          "vehicle_id": "V01",
          "name": "Sample sedan",
          "size": "225/55R17",
          "min_load_index": 98,
          "min_speed_rank": 4,
          "fitment_version": "illustrative-fitment-v1"
        },
        "recommendations": [
          {
            "product_id": "T0266",
            "brand": "Ridgepoint",
            "name": "Touring 266",
            "size": "225/55R17",
            "load_index": 103,
            "speed_rank": 5,
            "speed_symbol": "W",
            "season": "summer",
            "price": 113.74,
            "comfort": 10,
            "wet_grip": 9,
            "warranty_miles": 70000,
            "tier": "Touring",
            "description": "Fictional touring tire. Illustrative comfort 10/10 and wet grip 9/10.",
            "store_id": "S03",
            "location_name": "North retailer",
            "kind": "store",
            "lead_days": 0,
            "distance": 7.6,
            "available_quantity": 8,
            "observed_epoch": 1791719460,
            "comfort_feature": 1.0,
            "wet_feature": 0.9,
            "proximity_feature": 0.898402545802347,
            "price_feature": 0.24173333333333336,
            "delivery_feature": 1,
            "score": 80.811,
            "age_minutes": 9.0,
            "score_contributions": {
              "Comfort": 25.0,
              "Wet grip": 22.5,
              "Price": 4.835,
              "Proximity": 13.476,
              "Delivery": 15.0
            },
            "explanation": "8 available at North retailer. Illustrative comfort 10/10. Illustrative wet grip 9/10.",
            "highlight_keys": [
              "availability",
              "comfort",
              "wet_grip"
            ],
            "citation": "synthetic-catalog:T0266"
          },
          {
            "product_id": "T0046",
            "brand": "Ridgepoint",
            "name": "Essential 046",
            "size": "225/55R17",
            "load_index": 101,
            "speed_rank": 5,
            "speed_symbol": "W",
            "season": "all-season",
            "price": 111.83,
            "comfort": 9,
            "wet_grip": 9,
            "warranty_miles": 50000,
            "tier": "Essential",
            "description": "Fictional essential tire. Illustrative comfort 9/10 and wet grip 9/10.",
            "store_id": "S03",
            "location_name": "North retailer",
            "kind": "store",
            "lead_days": 0,
            "distance": 7.6,
            "available_quantity": 5,
            "observed_epoch": 1791718920,
            "comfort_feature": 0.9,
            "wet_feature": 0.9,
            "proximity_feature": 0.898402545802347,
            "price_feature": 0.25446666666666673,
            "delivery_feature": 1,
            "score": 78.565,
            "age_minutes": 18.0,
            "score_contributions": {
              "Comfort": 22.5,
              "Wet grip": 22.5,
              "Price": 5.089,
              "Proximity": 13.476,
              "Delivery": 15.0
            },
            "explanation": "5 available at North retailer. Illustrative comfort 9/10. Illustrative wet grip 9/10.",
            "highlight_keys": [
              "availability",
              "comfort",
              "wet_grip"
            ],
            "citation": "synthetic-catalog:T0046"
          },
          {
            "product_id": "T0176",
            "brand": "Arcway",
            "name": "Touring 176",
            "size": "225/55R17",
            "load_index": 99,
            "speed_rank": 5,
            "speed_symbol": "W",
            "season": "summer",
            "price": 99.07,
            "comfort": 7,
            "wet_grip": 9,
            "warranty_miles": 60000,
            "tier": "Touring",
            "description": "Fictional touring tire. Illustrative comfort 7/10 and wet grip 9/10.",
            "store_id": "S03",
            "location_name": "North retailer",
            "kind": "store",
            "lead_days": 0,
            "distance": 7.6,
            "available_quantity": 6,
            "observed_epoch": 1791719280,
            "comfort_feature": 0.7,
            "wet_feature": 0.9,
            "proximity_feature": 0.898402545802347,
            "price_feature": 0.33953333333333335,
            "delivery_feature": 1,
            "score": 75.267,
            "age_minutes": 12.0,
            "score_contributions": {
              "Comfort": 17.5,
              "Wet grip": 22.5,
              "Price": 6.791,
              "Proximity": 13.476,
              "Delivery": 15.0
            },
            "explanation": "6 available at North retailer. Illustrative comfort 7/10. Illustrative wet grip 9/10.",
            "highlight_keys": [
              "availability",
              "comfort",
              "wet_grip"
            ],
            "citation": "synthetic-catalog:T0176"
          },
          {
            "product_id": "T0291",
            "brand": "Daymark",
            "name": "Premium 291",
            "size": "225/55R17",
            "load_index": 99,
            "speed_rank": 4,
            "speed_symbol": "V",
            "season": "winter",
            "price": 108.1,
            "comfort": 8,
            "wet_grip": 8,
            "warranty_miles": 40000,
            "tier": "Premium",
            "description": "Fictional premium tire. Illustrative comfort 8/10 and wet grip 8/10.",
            "store_id": "S02",
            "location_name": "West stockroom",
            "kind": "warehouse",
            "lead_days": 1,
            "distance": 4.6,
            "available_quantity": 11,
            "observed_epoch": 1791719400,
            "comfort_feature": 0.8,
            "wet_feature": 0.8,
            "proximity_feature": 0.9382411147426917,
            "price_feature": 0.2793333333333333,
            "delivery_feature": 0.9333333333333333,
            "score": 73.66,
            "age_minutes": 10.0,
            "score_contributions": {
              "Comfort": 20.0,
              "Wet grip": 20.0,
              "Price": 5.587,
              "Proximity": 14.074,
              "Delivery": 14.0
            },
            "explanation": "11 available at West stockroom. Illustrative comfort 8/10. Illustrative wet grip 8/10.",
            "highlight_keys": [
              "availability",
              "comfort",
              "wet_grip"
            ],
            "citation": "synthetic-catalog:T0291"
          },
          {
            "product_id": "T0011",
            "brand": "Daymark",
            "name": "Touring 011",
            "size": "225/55R17",
            "load_index": 100,
            "speed_rank": 6,
            "speed_symbol": "Y",
            "season": "summer",
            "price": 130.31,
            "comfort": 9,
            "wet_grip": 8,
            "warranty_miles": 40000,
            "tier": "Touring",
            "description": "Fictional touring tire. Illustrative comfort 9/10 and wet grip 8/10.",
            "store_id": "S02",
            "location_name": "West stockroom",
            "kind": "warehouse",
            "lead_days": 1,
            "distance": 4.6,
            "available_quantity": 4,
            "observed_epoch": 1791719760,
            "comfort_feature": 0.9,
            "wet_feature": 0.8,
            "proximity_feature": 0.9382411147426917,
            "price_feature": 0.13126666666666664,
            "delivery_feature": 0.9333333333333333,
            "score": 73.199,
            "age_minutes": 4.0,
            "score_contributions": {
              "Comfort": 22.5,
              "Wet grip": 20.0,
              "Price": 2.625,
              "Proximity": 14.074,
              "Delivery": 14.0
            },
            "explanation": "4 available at West stockroom. Illustrative comfort 9/10. Illustrative wet grip 8/10.",
            "highlight_keys": [
              "availability",
              "comfort",
              "wet_grip"
            ],
            "citation": "synthetic-catalog:T0011"
          },
          {
            "product_id": "T0116",
            "brand": "Arcway",
            "name": "Touring 116",
            "size": "225/55R17",
            "load_index": 98,
            "speed_rank": 5,
            "speed_symbol": "W",
            "season": "summer",
            "price": 125.45,
            "comfort": 6,
            "wet_grip": 10,
            "warranty_miles": 40000,
            "tier": "Touring",
            "description": "Fictional touring tire. Illustrative comfort 6/10 and wet grip 10/10.",
            "store_id": "S03",
            "location_name": "North retailer",
            "kind": "store",
            "lead_days": 0,
            "distance": 7.6,
            "available_quantity": 10,
            "observed_epoch": 1791719160,
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          "comfort_feature": 1.0,
          "wet_feature": 1.0,
          "proximity_feature": 1.0,
          "price_feature": 0.12,
          "delivery_feature": 1,
          "score": 82.4,
          "above_budget": true,
          "extra_per_tire": 51.26,
          "age_minutes": 13.0,
          "score_contributions": {
            "Comfort": 25.0,
            "Wet grip": 25.0,
            "Price": 2.4,
            "Proximity": 15.0,
            "Delivery": 15.0
          },
          "explanation": "8 available at Loop retailer. Illustrative comfort 10/10. Illustrative wet grip 10/10.",
          "highlight_keys": [
            "availability",
            "comfort",
            "wet_grip"
          ],
          "citation": "synthetic-catalog:T0002"
        },
        "explanation": {
          "mode": "template",
          "status": "ready",
          "highlights": [
            "availability",
            "comfort",
            "wet_grip"
          ],
          "context": [
            {
              "product_id": "T0002",
              "description": "Illustrative product specification, not a manufacturer performance claim."
            },
            {
              "product_id": "T0011",
              "description": "Fictional touring tire. Illustrative comfort 9/10 and wet grip 8/10."
            },
            {
              "product_id": "T0046",
              "description": "Fictional essential tire. Illustrative comfort 9/10 and wet grip 9/10."
            },
            {
              "product_id": "T0176",
              "description": "Fictional touring tire. Illustrative comfort 7/10 and wet grip 9/10."
            },
            {
              "product_id": "T0266",
              "description": "Fictional touring tire. Illustrative comfort 10/10 and wet grip 9/10."
            },
            {
              "product_id": "T0286",
              "description": "Fictional essential tire. Illustrative comfort 10/10 and wet grip 8/10."
            },
            {
              "product_id": "T0291",
              "description": "Fictional premium tire. Illustrative comfort 8/10 and wet grip 8/10."
            }
          ],
          "policy": "Models select emphasis keys; facts and citations are rendered by application code."
        },
        "trace": {
          "request_id": "94a6d612df3790ee",
          "stages": [
            {
              "component": "api",
              "label": "Resolve server-defined demo retailer scope",
              "duration_ms": 0.129
            },
            {
              "component": "state",
              "label": "Merge typed preferences before querying",
              "duration_ms": 0.011
            },
            {
              "component": "sql",
              "label": "SQL eligibility, inventory joins and ranking (one measured query)",
              "duration_ms": 1.027
            },
            {
              "component": "explain",
              "label": "Scoped product facts and bounded explanations",
              "duration_ms": 0.193
            }
          ],
          "query_candidate_locations": 63,
          "unique_recommendations": 6,
          "retailer_scope": [
            "S01",
            "S02",
            "S03",
            "S04"
          ],
          "hard_constraints": [
            "illustrative fitment",
            "minimum load/speed",
            "quantity at one location",
            "freshness",
            "delivery limit"
          ],
          "filters": {
            "vehicle_id": "V01",
            "size": "225/55R17",
            "store_id": "S01",
            "quantity": 4,
            "budget": 150.0,
            "min_load_index": 98,
            "min_speed_rank": 4,
            "season": "any",
            "priority": "balanced",
            "max_lead_days": 3
          },
          "preference_changes": [],
          "weights": {
            "Comfort": 0.25,
            "Wet grip": 0.25,
            "Price": 0.2,
            "Proximity": 0.15,
            "Delivery": 0.15
          },
          "data_version": "synthetic-v1-seed-7",
          "rules_version": "eligibility-v1-ranking-v1",
          "as_of": "2026-10-11T12:00:00+00:00",
          "scenario": "upgrade",
          "simulation": "Scenario overrides are request-local; stored inventory is unchanged.",
          "total_ms": 3.664
        },
        "no_result": null
      }
    }
  ],
  "passed": true
}