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Watch\",\"HKQuantityTypeIdentifierHeartRate\",\"\",\"\"]","sampleIds":[],"bpm":null,"min":null,"max":null,"offsetSeconds":null}]},{"id":"2026-10-18:9","start":"2026-10-18T09:00:00.000Z","end":"2026-10-18T10:00:00.000Z","latitude":null,"longitude":null,"accuracy":null,"minutes":23,"apps":"Reader: 12.0 min; Messages: 7.0 min; Video: 4.0 min","exportIds":["fictional-2026-10-12","fictional-2026-10-13","fictional-2026-10-14","fictional-2026-10-15","fictional-2026-10-16","fictional-2026-10-17","fictional-2026-10-18"],"heartRates":[{"sourceId":"[\"Fictional Watch\",\"HKQuantityTypeIdentifierHeartRate\",\"\",\"\"]","sampleIds":["55","56","57"],"bpm":88.33333333333333,"min":84,"max":94,"offsetSeconds":null}]},{"id":"2026-10-18:12","start":"2026-10-18T12:00:00.000Z","end":"2026-10-18T13:00:00.000Z","latitude":null,"longitude":null,"accuracy":null,"minutes":32,"apps":"Reader: 15.0 min; Messages: 10.0 min; Video: 7.0 min","exportIds":["fictional-2026-10-12","fictional-2026-10-13","fictional-2026-10-14","fictional-2026-10-15","fictional-2026-10-16","fictional-2026-10-17","fictional-2026-10-18"],"heartRates":[{"sourceId":"[\"Fictional Watch\",\"HKQuantityTypeIdentifierHeartRate\",\"\",\"\"]","sampleIds":["58","59","60"],"bpm":76.33333333333333,"min":71,"max":82,"offsetSeconds":null}]},{"id":"2026-10-18:18","start":"2026-10-18T18:00:00.000Z","end":"2026-10-18T19:00:00.000Z","latitude":null,"longitude":null,"accuracy":null,"minutes":32,"apps":"Reader: 15.0 min; Messages: 10.0 min; Video: 7.0 min","exportIds":["fictional-2026-10-12","fictional-2026-10-13","fictional-2026-10-14","fictional-2026-10-15","fictional-2026-10-16","fictional-2026-10-17","fictional-2026-10-18"],"heartRates":[{"sourceId":"[\"Fictional Watch\",\"HKQuantityTypeIdentifierHeartRate\",\"\",\"\"]","sampleIds":["61","62","63"],"bpm":95,"min":91,"max":103,"offsetSeconds":null}]},{"id":"2026-10-18:21","start":"2026-10-18T21:00:00.000Z","end":"2026-10-18T22:00:00.000Z","latitude":null,"longitude":null,"accuracy":null,"minutes":32,"apps":"Reader: 15.0 min; Messages: 10.0 min; Video: 7.0 min","exportIds":["fictional-2026-10-12","fictional-2026-10-13","fictional-2026-10-14","fictional-2026-10-15","fictional-2026-10-16","fictional-2026-10-17","fictional-2026-10-18"],"heartRates":[{"sourceId":"[\"Fictional Watch\",\"HKQuantityTypeIdentifierHeartRate\",\"\",\"\"]","sampleIds":[],"bpm":null,"min":null,"max":null,"offsetSeconds":null}]}]}],"counts":{"invalid":0,"unsupported":0,"duplicates":0},"contextCounts":{"duplicates":0,"invalid":0,"outside":0,"crossingDay":0,"overlaps":0},"fictional":true,"warnings":["Sample matching anchors the recorded sample start timestamp. Interval ends are returned; a quantity interval may summarize multiple beats rather than an instantaneous measurement.","Location colors use the closest observed heart-rate timestamp within the stated window. Signed offsets show earlier/later samples. No interpolation across gaps. Ties prefer the earlier timestamp.","Screen-time bars summarize observed app usage within local clock hours. Heart-rate colors show the unweighted mean of observed samples within that same hour, with count/range and exact timestamps. This does not establish heart rate during actual app use. Daily/hour-crossing usage is excluded from the hourly overlay.","Heart-rate sources/devices remain separate. No clinical thresholds or causal conclusions. Gray means unmatched or unknown. Only heart rate in count/min or bpm is supported; other health types are excluded.","Totals describe observed app usage, not complete device screen-on time. Missing days are unknown, not zero.","Sources, record types, devices and granularities are kept separate. App usage can overlap across apps; do not add series together.","Records crossing local midnight are excluded rather than prorated. Conflicting overlapping records are excluded; exact repeats are counted once.","Even seven observed days do not prove complete collection. Changes compare observed totals only; no causal conclusions are supported.","These are fictional fixture records, not personal phone data."],"exports":[{"id":"fictional-2026-10-12","day":"2026-10-12","created":"2026-10-19T12:00:00.000Z","partial":false},{"id":"fictional-2026-10-13","day":"2026-10-13","created":"2026-10-19T12:00:00.000Z","partial":false},{"id":"fictional-2026-10-14","day":"2026-10-14","created":"2026-10-19T12:00:00.000Z","partial":false},{"id":"fictional-2026-10-15","day":"2026-10-15","created":"2026-10-19T12:00:00.000Z","partial":false},{"id":"fictional-2026-10-16","day":"2026-10-16","created":"2026-10-19T12:00:00.000Z","partial":false},{"id":"fictional-2026-10-17","day":"2026-10-17","created":"2026-10-19T12:00:00.000Z","partial":false},{"id":"fictional-2026-10-18","day":"2026-10-18","created":"2026-10-19T12:00:00.000Z","partial":false}],"scope":{"deviceId":"fictional-catalog-phone","healthProfileId":"fictional-catalog-profile","contextProfileId":"fictional-catalog-profile"}},"url":"https://myself.md/apps/chatgpt?example=heart-screen-time"}]}