refine iOS swipe surface reveal

mobile/ios-app/Features/Round/RoundView.swift

@@ -47,39 +47,10 @@ struct RoundView: View {
             )
 
             ZStack {
-                HermesTheme.surface
-                    .ignoresSafeArea()
-
-                if round != nil {
-                    HermesVideoPlayerView(coordinator: playerCoordinator, cornerRadius: 0, fixedHeight: nil)
-                        .ignoresSafeArea()
-                }
-
-                LinearGradient(
-                    colors: [.black.opacity(0.72), .black.opacity(0.12), .black.opacity(0.78)],
-                    startPoint: .top,
-                    endPoint: .bottom
-                )
-                .ignoresSafeArea()
-
                 sideSelectionOverlay(round: round)
 
-                if let feedback = swipeFeedback {
+                swipeSurface(round: round, remaining: remaining, timerLocked: timerLocked, bannerMessage: bannerMessage)
-                    swipeFeedbackOverlay(feedback)
-                }
-
-                VStack(spacing: 0) {
-                    header(round: round, remaining: remaining)
-                    Spacer()
-                    if let bannerMessage {
-                        banner(message: bannerMessage)
-                            .padding(.horizontal, HermesTheme.screenPadding)
-                            .padding(.bottom, 16)
-                    }
-                    bottomOverlay(round: round, timerLocked: timerLocked)
-                }
             }
-            .offset(x: dragOffset.width * 0.12)
             .contentShape(Rectangle())
             .gesture(swipeGesture(round: round, timerLocked: timerLocked))
             .onAppear {
@@ -113,6 +84,43 @@ struct RoundView: View {
         }
     }
 
+    private func swipeSurface(round: HermesRound?, remaining: TimeInterval, timerLocked: Bool, bannerMessage: String?) -> some View {
+        ZStack {
+            HermesTheme.surface
+                .ignoresSafeArea()
+
+            if round != nil {
+                HermesVideoPlayerView(coordinator: playerCoordinator, cornerRadius: 0, fixedHeight: nil)
+                    .ignoresSafeArea()
+            }
+
+            LinearGradient(
+                colors: [.black.opacity(0.72), .black.opacity(0.12), .black.opacity(0.78)],
+                startPoint: .top,
+                endPoint: .bottom
+            )
+            .ignoresSafeArea()
+
+            if let feedback = swipeFeedback {
+                swipeFeedbackOverlay(feedback)
+            }
+
+            VStack(spacing: 0) {
+                header(round: round, remaining: remaining)
+                Spacer()
+                if let bannerMessage {
+                    banner(message: bannerMessage)
+                        .padding(.horizontal, HermesTheme.screenPadding)
+                        .padding(.bottom, 16)
+                }
+                bottomOverlay(round: round, timerLocked: timerLocked)
+            }
+        }
+        .offset(x: dragOffset.width * 0.72)
+        .rotationEffect(.degrees(max(min(Double(dragOffset.width / 40.0), 6), -6)))
+        .shadow(color: .black.opacity(0.28), radius: 22, x: 0, y: 10)
+    }
+
     private func header(round: HermesRound?, remaining: TimeInterval) -> some View {
         HStack(alignment: .top, spacing: 16) {
             VStack(alignment: .leading, spacing: 10) {
@@ -243,7 +251,7 @@ struct RoundView: View {
     @ViewBuilder
     private func sideSelectionOverlay(round: HermesRound?) -> some View {
         if let round, phase == .preview {
-            let dragThreshold: CGFloat = 18
+            let dragThreshold: CGFloat = 10
             let isDraggingRight = dragOffset.width > dragThreshold
             let isDraggingLeft = dragOffset.width < -dragThreshold
 
@@ -252,13 +260,13 @@ struct RoundView: View {
                     title: sortedOutcomes(for: round).dropFirst().first.map(outcomeTitle) ?? localization.string(for: "round.no"),
                     subtitle: localization.string(for: "round.swipe_left"),
                     color: .red,
-                    opacity: isDraggingLeft ? min(abs(dragOffset.width) / 180.0, 0.78) : 0
+                    opacity: isDraggingLeft ? min(abs(dragOffset.width) / 240.0, 0.95) : 0
                 )
                 sideTint(
                     title: sortedOutcomes(for: round).first.map(outcomeTitle) ?? localization.string(for: "round.yes"),
                     subtitle: localization.string(for: "round.swipe_right"),
                     color: HermesTheme.positive,
-                    opacity: isDraggingRight ? min(abs(dragOffset.width) / 180.0, 0.78) : 0
+                    opacity: isDraggingRight ? min(abs(dragOffset.width) / 240.0, 0.95) : 0
                 )
             }
             .ignoresSafeArea()
@@ -287,7 +295,7 @@ struct RoundView: View {
     }
 
     private func swipeGesture(round: HermesRound?, timerLocked: Bool) -> some Gesture {
-        DragGesture(minimumDistance: 24)
+        DragGesture(minimumDistance: 12)
             .onChanged { value in
                 dragOffset = value.translation
             }
@@ -298,7 +306,7 @@ struct RoundView: View {
                     return
                 }
 
-                guard abs(value.translation.width) > 72, abs(value.translation.width) > abs(value.translation.height) else {
+                guard abs(value.translation.width) > 145, abs(value.translation.width) > abs(value.translation.height) else {
                     swipeFeedback = nil
                     return
                 }

mobile/ios-app/HermesApp.xcodeproj/project.pbxproj

@@ -322,7 +322,7 @@
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = 1;
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/HermesPrediction.app/HermesApp";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/HermesPrediction.app/HermesPrediction";
 			};
 			name = Debug;
 		};
@@ -344,7 +344,7 @@
 				SWIFT_OPTIMIZATION_LEVEL = "-O";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = 1;
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/HermesPrediction.app/HermesApp";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/HermesPrediction.app/HermesPrediction";
 			};
 			name = Release;
 		};

mobile/ios-app/Tests/HermesAppTests/LocalizationStoreTests.swift

@@ -1,5 +1,5 @@
 import XCTest
-@testable import HermesApp
+@testable import HermesPrediction
 
 private struct TestFailure: Error, CustomStringConvertible {
     let description: String