{"buyer_scenarios":[{"fit":"best_suited","scenario":"Straight indoor staircases where other household members need the narrowest practical folded chair profile (openai)."},{"fit":"best_suited","scenario":"Homes where a lower-landing obstruction requires a folding rail, or where bending to fold the footrest would be inconvenient (openai)."},{"fit":"best_suited","scenario":"Households wanting an optional power folding rail so the rail itself moves out of the walking path, not just the seat and footrest (deepseek)."},{"fit":"best_suited","scenario":"Buyers who value factory-documented obstruction sensing and a multi-year parts warranty on a straight-rail lift (deepseek)."}],"citations":{"source_mix":{"company_owned":18,"independent":12,"unclear":2},"sources_referenced_by_questions":0,"support_mix":{"direct":22,"partial":9},"total_sources":32,"unique_domain_count":15},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best Folding Stairlifts for Shared Stairways","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","openai"],"predicate":"final_consensus_rank","qualifier":"Shared Household Clearance","subject":"Savaria K2","unit":"rank","value":3},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","openai"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Savaria K2","unit":"platforms","value":4},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-27","platform_support":["grok","google"],"predicate":"fit_rating_count","qualifier":"strong","subject":"Savaria K2","unit":"platforms","value":2},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-27","platform_support":["openai","anthropic","perplexity"],"predicate":"fit_rating_count","qualifier":"good","subject":"Savaria K2","unit":"platforms","value":3},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-09-27","platform_support":["deepseek","kimi"],"predicate":"fit_rating_count","qualifier":"mixed","subject":"Savaria K2","unit":"platforms","value":2}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":3.25,"best_rank":2,"entity_id":"entity-001","entity_type":"company","final_rank":3,"name":"Savaria K2","platform_mentions":4,"platform_share":0.5714285714285714}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/stairlifts/shared-household-clearance/savaria-k2.json","page_url":"https://aginginplaceindex.com/stairlifts/shared-household-clearance/savaria-k2","report_type":"fit_review","study_id":"AIPI-STUDY-E848CB1B3BDE","title":"Savaria K2 Review for Shared Stairways"},"limitations":["Use the run researchdate as the study date. Platform-reported dates are provenance metadata and do not independently prove freshness.","All included platforms evaluated fit, but platformmentions counts only platforms that named the entity during ranking discovery.","Do not resolve conflicting product names, pricing, or capabilities by guessing; describe the conflict and tell buyers what to verify.","The supplied URLs were collected from platform responses and were not independently validated by the writer stage.","Company-owned citations materially outnumber independent citations; do not describe company claims as independently verified.","Platform-reported research dates differ from the authoritative run date; disclose this as a methodology limitation.","The deterministic identity audit contains qualification notes that must be disclosed where relevant.","Citations are platform-reported evidence, not independently verified facts. No-search model claims require explicit verification before being described as current facts."],"methodology":{"fit_rating_contract":["strong","good","mixed","weak","uncertain"],"included_valid_platform_count":7,"maximum_finalists":10,"minimum_mentions":2,"name":"Aging in Place Index cross-platform AI consensus analysis","platforms_included":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"platforms_queried":["openai","anthropic","deepseek","grok","perplexity","kimi","google"],"stages":["ranking_discovery","fit_assessment","normalization","editorial_synthesis"],"version":"alias-table-1"},"provenance":{"generated_at":"2026-09-27 16:02:42.551488+00","research_date":"2026-09-27","source_snapshot_sha256":"a153f1f7c0e5ea6a5f9ca6f50062438d9cae3256605bcb61006a5e27d61f4d9d","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":13,"qualified_finalists":7,"ranking_unit":"Folding stairlift model and manufacturer"},"schema_version":4,"summary":"Savaria K2 is a good fit for shared household clearance on a straight indoor staircase, provided a dealer verifies that the folded chair, rail, and landing leave adequate walking space. Four of the seven researched platforms named it during ranking discovery, and it finished third overall with an average listed rank of 3.25 and a best rank of 2. Its strongest advantage is a published folded depth of 10.75 inches with the standard L seat, plus optional power folding rail and power folding footrest. The main limitation is that no official U.S. list price exists, and armrest folding effort,…","target_buyer":"Families where other household members need to continue using the stairs safely after the stairlift is folded away","topic":{"base_category":"Stairlifts","category_criteria":["Folded depth","folding rail availability","automatic footrest","armrest folding ease","obstruction sensor sensitivity","parked footprint","installation fit","warranty coverage"],"geography":"United States","slug":"best-folding-stairlifts-for-shared-stairways","title":"Best Folding Stairlifts for Shared Stairways","use_case":"Shared Household Clearance"}}