{"openapi":"3.1.0","info":{"title":"9D Read-only Task and Official Vehicle Navigation","version":"0.2.3","description":"9D read-only public navigation. Vehicle navigation: 24 brands, 963 primary labels plus 132 INFINITI and 268 Nissan year/model records (1363 navigation records, not distinct base models); 0 verified vehicle part SKU/fitment. Separate industrial parts index: 291 exact manufacturer catalog codes (2 independently corroborated; 120 Festo May 2026 catalog type codes, 149 igus historical JSM/JFM codes, others public manufacturer evidence); 0 verified fitment. No OEM redistribution license, stock or purchase claims."},"paths":{"/api/v1/task-link":{"get":{"operationId":"findPhysicalProductForTask","summary":"Query reviewed and published physical product links","description":"Requires type, category, and at least one specific requirement: sku, physical_id, positive *_mm dimension, or both interface_name and interface_standard. 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results may be empty (currently always empty in Preview)","headers":{"X-9D-Environment":{"schema":{"type":"string","const":"preview_smoke_only"}},"X-9D-Data-Status":{"schema":{"type":"string","const":"no_published_sku"}}},"content":{"application/json":{"schema":{"$ref":"#/components/schemas/TaskLinkResponse"}}}},"400":{"description":"Invalid query or insufficient specificity","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"414":{"description":"Query too long","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"503":{"description":"Trusted data unavailable or timed out","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}},"/ai/vehicle-models.json":{"get":{"operationId":"getVehicleNavigationIndex","summary":"Get 13 official brand metadata records and eight paginated model pages","responses":{"200":{"description":"Static JSON with brands and pages; no SKU or fitment assertions"}}}},"/ai/vehicles/page-{page}.json":{"get":{"operationId":"getVehicleNavigationPage","summary":"Read up to 50 source-backed official model/variant names; join b index to brand metadata","parameters":[{"name":"page","in":"path","required":true,"schema":{"type":"integer","minimum":1,"maximum":8}}],"responses":{"200":{"description":"Static JSON page; no per-model part match or authorization claims"},"404":{"description":"Page does not exist"}}}},"/ai/vehicle-models.html":{"get":{"operationId":"browseVehicleNavigation","summary":"Human-friendly browse of the public model navigation index","responses":{"200":{"description":"Static HTML browser"}}}},"/ai/vehicle-models.tsv":{"get":{"summary":"Compact 419-row TSV vehicle navigation; inherited official links and metadata in vehicle-models.json","responses":{"200":{"description":"UTF-8 tab-separated index, 419 model/variant rows; no SKU or fitment","content":{"text/tab-separated-values":{"schema":{"type":"string"}}}}}}},"/ai/vehicles/infiniti-years/index.json":{"get":{"operationId":"getInfinitiYearModelSupplement","summary":"INFINITI 2007-2026 official model-year navigation manifest","responses":{"200":{"description":"Public source-backed year/model manifest; no fitment or SKU claims"}}}},"/ai/vehicles/infiniti-years/page-{n}.json":{"get":{"operationId":"getInfinitiYearModelPage","summary":"Read one of three 50-entry INFINITI year-model pages","parameters":[{"name":"n","in":"path","required":true,"schema":{"type":"integer","minimum":1,"maximum":3}}],"responses":{"200":{"description":"Public source-backed year/model navigation page"}}}},"/ai/vehicles/nissan-years/index.json":{"get":{"operationId":"getNissanYearModelSupplement","summary":"Nissan 2013-2026 official year/model manifest","responses":{"200":{"description":"Public official year/model navigation; no fitment or SKU"}}}},"/ai/vehicles/nissan-years/page-{n}.json":{"get":{"operationId":"getNissanYearModelPage","summary":"Nissan model-year navigation page","parameters":[{"name":"n","in":"path","required":true,"schema":{"type":"integer","minimum":1,"maximum":6}}],"responses":{"200":{"description":"Public official Nissan year/model page"}}}},"/ai/parts/index.json":{"get":{"operationId":"getPartsIndex","summary":"Discover product-code navigation and evidence tiers","responses":{"200":{"description":"Public navigation only; 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follow evidence, no fitment, stock or purchase guarantee"}}}},"/ai/d/300.json":{"get":{"operationId":"getCompactDiscovery300","summary":"300-byte-budget vehicle and product discovery","responses":{"200":{"description":"Public navigation only; follow evidence, no fitment, stock or purchase guarantee"}}}},"/ai/parts/festo-dsnu-2026-catalog.json":{"get":{"operationId":"getFestoDsnuCatalogNavigation","summary":"Read 120 manufacturer-listed Festo DSNU codes with numeric part IDs","responses":{"200":{"description":"Public source-backed catalog identity navigation; no verified fitment, stock or purchase claims"}}}}},"components":{"schemas":{"Error":{"type":"object","required":["error"],"properties":{"error":{"type":"string"}}},"TaskLinkResponse":{"type":"object","required":["schema","task_type","results"],"properties":{"schema":{"type":"string","const":"9d-task-physical-link-research-v1"},"task_type":{"type":"string","enum":["repair_replace","assemble","replenish"]},"results":{"type":"array","maxItems":3,"description":"Preview always returns an empty array. 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