SwiftUI Layout (watchOS) Glanceable design: users interact with Apple Watch for 1-2 seconds. Every view must communicate its purpose instantly. Watch Screen Constraints - Screen sizes: 40mm (162pt), 41mm (176pt), 44mm (184pt), 45mm (198pt), 49mm Ultra (205pt) - Always design for the smallest screen, let larger screens breathe - No landscape orientation — always portrait - No split views, no multi-column layouts Layout Principles Vertical Stacking Full-Width Elements containerRelativeFrame (preferred over GeometryReader) View Structure Prefer Modifiers Over Conditional Views Extract Subviews I…