{"tableId":"A_Car Summary","tabName":"A_Car Summary","result":"DECLARED_EXCEPTION","tableLevelStatus":"DECLARED_EXCEPTION","skeletonStatus":"DECLARED_EXCEPTION","tableDefinitionExists":true,"readSourceClear":true,"writeTargetClear":true,"sourceAvailable":true,"xlsxExists":true,"dataHubTabExists":true,"fallbackAvailable":false,"lastCheckedAt":"2026-09-20T15:18:53.102Z","lastReadAt":"2026-09-20T15:15:36.728Z","latestDataDate":"","readStrategy":{"logicalTableId":"Car-Summary","logicalSourceId":"Car-Summary-L4-A1","layerId":"Car-Summary-L4-A1","environment":"STAGING","readerId":"A1_STAGING_WORKFLOW_READER","readLayer":"A1_STAGING_JSON","readSource":"${QP_A1_STAGING_DIR || dirname(DATAHUB_XLSX_PATH)/a1-staging}/A_Car_Summary_Staging.json","sourceTab":"Car Summary","dataHubTab":"A_Car Summary","fallbackSource":"NONE","sourcePriority":"XLSX_FIRST","fallbackOrder":["${QP_A1_STAGING_DIR || dirname(DATAHUB_XLSX_PATH)/a1-staging}/A_Car_Summary_Staging.json"],"derivedFrom":["A_Earnings","A_clean","A_GPS_Staging","Vehicle-Master"],"outputRole":"A1_AUTO_STATUS_INPUT","storageRole":"A1_STAGING_MODULE_CACHE","formalDataHubSource":false},"references":[{"featureId":"a1-staging-workbench","label":"A1 Workbench staging workflow","businessModule":"Fleet Operations","pageHref":"/ops/table?tab=A_overview&view=a1-workbench","apiRoutes":["/api/ops/a1/staging-state","/api/ops/a1/generate-today","/api/ops/a1/generate/vehicleStatus"],"codeEntrypoints":["server.js","lib/a1-staging-workflow.cjs","lib/vehicle-a1-workbench.cjs"],"readerId":"A1_STAGING_WORKFLOW_READER","readMode":"A1_STAGING_JSON_ONLY","skeletonCompliance":"DECLARED_EXCEPTION","notes":"读取 A_Car_Summary_Staging.json；这是 A1 staging 派生缓存，不是 DataHub source。"}],"bypassReferences":[],"skeletonReferences":[],"diagnostics":[],"readOnly":true,"realtimeGoogleSheetRead":false,"writesGoogleSheet":false,"writesDataHub":false,"definition":{"tableId":"A_Car Summary","tabName":"A_Car Summary","displayName":"A_Car Summary","businessModule":"OPS","tableRole":"DERIVED","sourceOfTruth":"A1_STAGING_JSON","writeTarget":"","writeMode":"READ_ONLY","readLayer":"A1_STAGING_JSON","readSource":"${QP_A1_STAGING_DIR || dirname(DATAHUB_XLSX_PATH)/a1-staging}/A_Car_Summary_Staging.json","sourceTab":"Car Summary","dataHubTab":"A_Car Summary","fallbackSource":"NONE","skeletonPolicy":"EXEMPT_INTERNAL","ownerScope":"OPS","status":"active","relations":[]}}