iOS 1.0 RC 1: battery and heat work, version label, web player redraw tweaks

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

ios/Stemify/UI/Components/Chrome.swift

@@ -229,7 +229,8 @@ struct PlayingBars: View {
     var color: Color?
     @Environment(\.palette) private var p
     var body: some View {
-        TimelineView(.animation(paused: !playing)) { tl in
+        // 30 fps is plenty for a 16 pt glyph; ProMotion would otherwise redraw it 120 times a second.
+        TimelineView(.animation(minimumInterval: 1 / 30, paused: !playing)) { tl in
             let phase = tl.date.timeIntervalSinceReferenceDate * (2 * .pi / 1.1)
             Canvas { ctx, size in
                 let w = size.width / 4.5