2026-10-28 22:55:07 +01:00
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# ADR 0002 — Exercise library, mode design, Player cues
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Status: Accepted (2026-10-28)
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## Decisions
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1. **Library source**: free-exercise-db (Unlicense, 876 exercises). `stretching` → Stretching mode,
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everything else → Workout mode. No user-created exercises.
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2. **Images**: Bundle both images per exercise, compressed to WebP (~400px, est. 15–20 MB).
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The start/end "flip" is the v1 animation; real animations are a future step.
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3. **Language**: English only; UI strings centralised for later translation.
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4. **Plan Steps**: Workout = sets, reps-or-duration, optional weight; no rest countdown.
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Stretching = hold, both-sides flag, rounds. Workout Steps can be grouped into Supersets.
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5. **Library browsing**: search + muscle/equipment/level filters, reused as the Plan exercise picker.
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6. **Structure & design**: Mode switch at top; per-mode tabs Plans · Library · History.
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2026-10-29 01:14:37 +01:00
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Stretching = calm/light (lavender/violet since ADR 0007, first sage/teal; rounded, slow). Workout = dark/energetic (orange/red, bold, snappy).
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2026-10-28 22:55:07 +01:00
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Last-used mode is remembered.
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7. **Player cues**: Visual cues (countdown ring, accent pulse, next cards, auto-advance, screen kept on)
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plus a gentle, non-annoying sound. No vibration.
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8. **History**: Separate per Mode. The Streak is one shared, Duolingo-style daily Streak across both Modes;
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only complete Sessions count.
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9. **Units**: kg only.
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