Activities Fitbit imports from Health Connect contain only the most basic metrics (time, distance, avg speed/pace, energy burned) even if there's much more data available in Health Connect e.g. activity name, heart rate, power, cadence etc.
Even Google Fit is much better at this and imports activity name, HR, speed.
Without importing at least heart rate these external activities are excluded from cardio load making this feature (and workout readiness) useless. You already have all the data you need in Health Connect, just need to use it.
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