rzen a16e8ec270 Mirror a live Apple Watch run on a propped-up iPhone
Add an ephemeral live-run presence channel (separate from the durable
iCloud progress sync) so a propped-up iPhone can mirror the Watch's
Ready → work/rest → Finish flow in real time as the user swipes.

Watch drives, phone mirrors (read-only), so there's no echo loop:
- Watch's ExerciseProgressView broadcasts a LiveProgress frame on every
  phase transition (and an ended signal on leave) via sendMessage,
  reachable-only — throwaway presence, never written to iCloud.
- Timers ride as wall-clock anchors (Date kept native in the WC dict to
  preserve sub-second precision), so both devices count independently
  off shared start times and stay in lockstep without streaming ticks.
- Phone holds a transient LiveRunState; ContentView auto-presents a
  read-only LiveProgressMirrorView full-screen cover while a run is live.

Claude-Session: https://claude.ai/code/session_01SCv7zvGFcKy47KSTnTLxRe
2026-06-20 21:08:32 -04:00
2026-06-20 14:17:26 -04:00

Workouts

A workout tracking app for iPhone and Apple Watch. Build workout splits, run sessions, and track your progress — with your data stored as plain JSON files in your own iCloud Drive.

Key Features

  • Workout splits — organize exercises into reusable routines with custom colors and icons. Start with built-in starter splits (Upper Body / Core / Lower Body) generated from a bundled exercise catalog.
  • Exercise library — a bundled catalog of starter exercises (bodyweight and machine-based) to populate your splits.
  • Run a workout — start a session from a split, then tap an exercise to run it as a paged flow: a Ready? lead-in, count-up work phases, count-down rests, and a Finish page — mirroring the Apple Watch. Swipe a row to mark it complete, or swipe to edit its plan (sets/reps/weight or duration) and notes.
  • Progress tracking — weight-progression charts per exercise across past sessions.
  • Apple Watch companion — starting a workout on the iPhone launches the watch app straight into it. The watch lists your in-progress workouts; pick one, pick an exercise, and run it as a paged flow: a Ready? lead-in, count-up work phases, count-down rests with final-three-second haptics and auto-advance, and a Finish page with One More and a Done that auto-completes after a countdown. A phase-dot row (purple work, teal rest) tracks progress. Rest time and the auto-finish countdown are configurable; changes sync back to the phone.
  • Live workout mirror — prop your iPhone up during an Apple Watch workout and it mirrors the run in real time: the same Ready → work/rest → Finish flow with live timers, following the watch set by set. It's read-only — the watch stays in control, and the timers stay in step because each device counts off shared start times.
  • iCloud Drive sync — your data lives as human-readable JSON in your iCloud Drive, synced across devices and visible in the Files app. iCloud is required.

Architecture

iCloud Drive JSON documents are the sole source of truth; a local SwiftData store is a rebuildable read-through cache populated exclusively by an NSMetadataQuery observer (one-way flow: files → observer → cache). The phone is the only device that touches iCloud Drive; the Apple Watch is a thin remote that round-trips workout changes through the phone via WatchConnectivity.

See REQUIREMENTS.md for the data model and CLAUDE.md for project guidance.

Building

The Xcode project is generated with XcodeGen:

xcodegen generate
open Workouts.xcodeproj

Requires Xcode 26 (iOS 26 / watchOS 26, Swift 6).

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