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Save workouts to Apple Health with live watch metrics and a post-workout summary

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Watch sessions now run an HKLiveWorkoutBuilder: heart rate and active
energy are collected live (shown in an in-workout HUD), saved to Health
as a real HKWorkout on completion, and carried back to the phone as
WorkoutMetrics on the workout document. Phone-only workouts get an
estimated Health workout (MET x bodyweight x duration) after a 10s
debounce that a late-arriving watch session cancels; a launch sweep
backfills workouts completed within the last day. Dedupe is keyed on
metrics.healthKitWorkoutUUID plus the metrics source.

Splits gain an activity type (strength, functional, HIIT, core, cardio,
cycling) that categorizes the Health workout and picks the MET value.
A post-workout summary sheet (duration, calories, avg/max HR, HR zones,
total volume) fills in live and is also shown on completed workouts.
Weights can now display in lb or kg (display-only relabel), synced to
the watch over the existing application context.

WorkoutDocument schema 1->2 (metrics are irreplaceable, so older apps
must quarantine rather than strip them); cache schema 2 rebuilds the
SwiftData store with the new metric columns. Deleting a workout in the
app intentionally leaves its Health record in place.
This commit is contained in:
rzen
2026-07-05 07:46:35 -04:00
parent c96b1a288b
commit 0ad93a09da
33 changed files with 950 additions and 57 deletions
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Workouts/Resources/Info-iOS.plist
+2 -2
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@@ -25,9 +25,9 @@
<key>LSRequiresIPhoneOS</key>
<true/>
<key>NSHealthShareUsageDescription</key>
<string>Workouts uses Health so it can launch your Apple Watch into the session when you start a workout on your iPhone.</string>
<string>Workouts reads your heart rate and body measurements to show workout stats and estimate the calories you burned.</string>
<key>NSHealthUpdateUsageDescription</key>
<string>Workouts uses Health so it can launch your Apple Watch into the session when you start a workout on your iPhone.</string>
<string>Workouts saves your completed sessions to Apple Health (including active energy) so they count toward your Activity rings.</string>
<key>UILaunchScreen</key>
<dict/>
<key>UISupportedInterfaceOrientations</key>
Workouts/Resources/Workouts-iOS.entitlements
+3
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@@ -4,6 +4,9 @@
<dict>
<key>com.apple.developer.healthkit</key>
<true/>
<!-- healthkit.access is for clinical health-records access ONLY. Standard
workout / quantity / characteristic access (what this app uses) needs no
entries here — leave it empty; adding values triggers extra App Review. -->
<key>com.apple.developer.healthkit.access</key>
<array/>
<key>com.apple.developer.icloud-container-identifiers</key>