feat: update app workflows and permissions

suixinkan/UI/MainTab/MainScanTabItem.swift

@@ -10,10 +10,34 @@ enum MainScanTabItem {
 
     /// 构建扫码 TabBarItem，点击行为由 `MainTabBarController` 拦截。
     static func makeTabBarItem() -> UITabBarItem {
-        let image = UIImage(named: "icon_scan")?.withRenderingMode(.alwaysOriginal)
+        let image = makeScanImage()
         let item = UITabBarItem(title: nil, image: image, selectedImage: image)
         item.accessibilityLabel = "扫码核销"
         item.accessibilityIdentifier = "main.scan"
         return item
     }
+
+    private static func makeScanImage() -> UIImage {
+        let diameter: CGFloat = 48
+        let renderer = UIGraphicsImageRenderer(size: CGSize(width: diameter, height: diameter))
+        return renderer.image { _ in
+            let bounds = CGRect(origin: .zero, size: CGSize(width: diameter, height: diameter))
+            AppColor.primary.setFill()
+            UIBezierPath(ovalIn: bounds).fill()
+
+            let configuration = UIImage.SymbolConfiguration(pointSize: 25, weight: .semibold)
+            guard let symbol = UIImage(systemName: "qrcode.viewfinder", withConfiguration: configuration) else {
+                return
+            }
+            let image = symbol.withTintColor(.white, renderingMode: .alwaysOriginal)
+            let symbolSize = CGSize(width: 28, height: 28)
+            let symbolRect = CGRect(
+                x: (diameter - symbolSize.width) / 2,
+                y: (diameter - symbolSize.height) / 2,
+                width: symbolSize.width,
+                height: symbolSize.height
+            )
+            image.draw(in: symbolRect)
+        }.withRenderingMode(.alwaysOriginal)
+    }
 }

suixinkan/UI/MainTab/MainTabBarController.swift

@@ -67,6 +67,7 @@ final class MainTabBarController: UITabBarController {
 
     private func configureTabBarAppearance() {
         tabBar.tintColor = AppColor.primary
+        tabBar.unselectedItemTintColor = AppColor.textTabInactive
         tabBar.backgroundColor = AppColor.cardBackground
         tabBar.shadowImage = UIImage()
 
@@ -82,7 +83,7 @@ final class MainTabBarController: UITabBarController {
         let appearance = UITabBarAppearance()
         appearance.configureWithOpaqueBackground()
         appearance.backgroundColor = AppColor.cardBackground
-        appearance.shadowColor = .clear
+        appearance.shadowColor = AppColor.tabBarShadow
         appearance.stackedLayoutAppearance.normal.titleTextAttributes = normalAttributes
         appearance.stackedLayoutAppearance.selected.titleTextAttributes = selectedAttributes
         tabBar.standardAppearance = appearance