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If you do one thing on this site beyond using the app normally, do this one.

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What Discovery is

Discovery is a tab along the bottom of the Workbench. It interrogates each of your connected sources and asks a question we cannot answer any other way:
What can you actually give me?
Not what the manufacturer advertises. What your particular device, on your particular phone, with your particular sync history, genuinely hands over — how far back it goes, how often it reports, and what it simply does not have.

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Why we keep asking

Because the answer changes, and a single snapshot would mislead us.
  • A firmware update adds a measurement your watch never used to report
  • You connect a second device, or stop wearing the first
  • A source quietly stops providing something it used to
  • A permission gets revoked without anyone noticing
One report is a photograph. A series is the thing we can actually design against.
This is the only job here that is purely for our benefit — which makes it the easiest to skip and the most important to remember. Everything else you do for yourself and we learn from as a side effect.

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How to run it

1

Tap Discovery along the bottom

2

Let it run

Each connected source gets a card. It takes a few seconds per source; some are slower because they are asking a server rather than your phone.
3

Tap Send to VT

On each source card you want to report. The button confirms when it has gone.
That is all of it.

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What Send to VT transmits

It asks you first, and the choice matters: Reports only is the shape of your data, not your health history: which measurements exist, how far back they reach, how often they arrive, where the gaps are. Everything includes your actual records. It is much larger, may be rejected for size, and we will only ever ask for it when chasing a specific problem. Either way the report is labelled with the device name you set, so we can tell reports from different phones apart.

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How often

Every week or two is ideal. Also worth doing whenever something changes:
  • You connect a new device or source
  • You get a firmware update
  • You stop wearing something
  • Something looks wrong — a Discovery report often explains it

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Why it matters this much

We are trying to answer “what does a real setup actually produce?” for the finished app’s design. We cannot answer it by reading documentation, because documentation describes the best case. We cannot answer it from your health figures, because those tell us what you did, not what your device was capable of. Discovery is the only instrument that answers the question directly. Thirty seconds. Once a fortnight. It is genuinely the highest-value thing you can do here.