getDailyHydration
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Daily hydration in milliliters, with the goal, over a date range; ranges over 31 days are chunked. GETs `/usersummary-service/stats/hydration/daily/{start}/{end}`: `{calendarDate, valueInML, goalInML}` per day that has an entry (the spec's `sweatLossInML`/`activityIntakeInML` were not seen). Garmin 400s `end - start > 30` ("cannot be more than 31 days"), so longer ranges go in 31-day windows.
getDailyHydration(start, end)| Parameter | Type | Optional | Description |
|---|---|---|---|
| start | string | no | Calendar date, YYYY-MM-DD (UTC) |
| end | string | no | Calendar date, YYYY-MM-DD (UTC) |
In Claude this is the get_daily_hydration tool.