{"schema_version":1,"updated_at":"2026-10-19T11:01:21.770Z","source_timetable_version":"integrated-2026-10","route_selection":"Fewest out-of-station walking links first, then lowest modeled local-train time with a 180-second transfer boarding allowance; distance breaks ties.","distance_km":"Sum of track segment distances along the selected practical route; walking distances are unknown and excluded.","time_min":"Ceiling of local-train runtime, intermediate local dwell, modeled transfer walk, and a 180-second boarding allowance per transfer. Not a timetable journey or live prediction.","stations":"Number of traveled track segments, including intermediate stops; path includes origin and destination station IDs.","transfers":"Count of line-change walking links; external_transfers is the subset between distinct physical stations.","name_map":"Unique Chinese names map to one ID; ambiguous names map to arrays of IDs. Both simplified and traditional spellings are included."}