{"platform":{"id":"c784a3d3-cad4-4f60-9791-34880fc1af0e","slug":"wechat","name":"WeChat"},"provenance":{"observedFrom":"Q1-2026","modelledQuarters":["Q4-2025"],"note":"Rows with provenance \"modelled\" are a back-projection generated from the first observed vintage and are not evidence of change over time."},"history":[{"quarter":"Q4-2025","b":17.0315,"capture":2.8552,"escape":0.1676,"reason":null,"reasonRecorded":false,"provenance":"modelled","provenanceNote":"Modelled back-projection from the Q1-2026 vintage (scripts/seed-q4-2025.ts); not an observed score. First observed vintage: Q1-2026."},{"quarter":"Q1-2026","b":17.03,"capture":2.86,"escape":0.17,"reason":null,"reasonRecorded":false,"provenance":"observed","provenanceNote":null},{"quarter":"Q2-2026","b":17.03,"capture":2.86,"escape":0.17,"reason":null,"reasonRecorded":false,"provenance":"observed","provenanceNote":null},{"quarter":"Q3-2026","b":17.03,"capture":2.86,"escape":0.17,"reason":null,"reasonRecorded":false,"provenance":"observed","provenanceNote":null},{"quarter":"Q4-2026","b":17.03,"capture":2.86,"escape":0.17,"reason":null,"reasonRecorded":false,"provenance":"observed","provenanceNote":null}]}