⚡ Bolt: Scope TimelineView to dynamic components

[google-labs-jules]

💡 What: Scoped TimelineView exclusively around the CountdownRing in RunningView. 🎯 Why: To prevent the entire view (including static texts and buttons) from needlessly re-evaluating and re-rendering every second. 📊 Impact: Significantly reduces UI overhead on the main thread during active breaks. 🔬 Measurement: Observe CPU usage and UI re-renders using Xcode Instruments during a running break.

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PR created automatically by Jules for task 14631233635151597429 started by @TytaniumDev

[google-labs-jules]

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