{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "TonePros GKH330 Tuners - 3+3 Black",
    "brand": "TonePros",
    "model": "GKH330 Tuners - 3+3 Black",
    "mpn": null,
    "gtins": null,
    "handle": "ca-tonepros-tonepros-gkh330-tuners-3-3-black-ac103cb526",
    "url": "https://envoy-music.myshopify.com/products/ca-tonepros-tonepros-gkh330-tuners-3-3-black-ac103cb526",
    "catalog_product_id": "catalog:cbc6ef483360",
    "lane": "parts",
    "product_object": "guitar tuners"
  },
  "offer": {
    "price": 144.99,
    "currency": "CAD",
    "available": true,
    "condition": "Brand New",
    "price_band": "mid",
    "source_verified_at": "2026-07-10T23:56:53Z"
  },
  "specifications": {"category":"parts","subcategory":"parts","category_path":"parts","groups":[{"id":"specifications","label":"Specifications","fields":[{"key":"install","label":"Install","value":"drop-in","display":"drop-in","source":"source_listing","confidence":0.7},{"key":"ratio","label":"Ratio","value":"20:1","display":"20:1","source":"source_listing","confidence":0.7}]}]},
  "connectivity": null,
  "power": null,
  "included_items": null,
  "required_accessories": ["model-appropriate mounting hardware","installation tools or qualified technician"],
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": null,
    "who_should_skip": null,
    "fit_notes": "Best suited to a repair or custom-build project with known dimensions and compatibility requirements.\n\nWho it is for: Builders and repair buyers who can verify fit, measurements, mounting pattern, and required installation work.\n\nWho should skip it: Skip it if the target instrument, dimensions, or installation requirements have not been confirmed.",
    "watchouts": null,
    "verification_questions": ["What exact dimensions, mounting pattern, and model compatibility does this part support?","Is all required mounting hardware included?","Does installation require routing, drilling, soldering, or other irreversible work?","Is the item still in stock at the displayed price, and what is the complete delivered cost to the intended destination?"]
  },
  "retrieval": {
    "summary": "TonePros GKH330 Tuners - 3+3 Black is a repair, replacement, or custom-build part represented by 1 current Canadian retailer offer, starting at 144.99 CAD. Best suited to a repair or custom-build project with known dimensions and compatibility requirements. EnvoyMusic has verified the source price and availability signal, but has not independently verified every technical specification or US fulfillment detail. This is an verified retail listing reference, not inventory stocked or fulfilled by EnvoyMusic. Retailer price and availability can change; recheck the source before making a purchase decision. Skip it if the target instrument, dimensions, or installation requirements have not been confirmed.",
    "agent_summary": "TonePros GKH330 Tuners - 3+3 Black is a repair, replacement, or custom-build part represented by 1 current Canadian retailer offer, starting at 144.99 CAD.",
    "intent_terms": ["parts","repair","custom_build","upgrade","TonePros GKH330 Tuners - 3+3 Black","TonePros","verified retail listing","repair, replacement, or custom-build part","custom build"],
    "use_cases": ["repair-build"],
    "skill_level": "any"
  },
  "trust": {
    "has_verified_retail_listing": true,
    "source_count": 1,
    "source_tier_mix": ["retailer"],
    "evidence_flags": {"external_inventory":true,"source_availability":true,"source_price":true,"source_url":true,"structured_specs":false},
    "spec_provenance": null
  },
  "related": {
    "similar_item_ids": [],
    "comparison_reasons": ["source_count:1","lane:parts","verified retail listing_reference"]
}
}