Replace Inter font with Apple system font (#30)

Replace custom Inter-Medium/Bold fonts with system font equivalents
in both SwiftUI and UIKit extensions. Remove font files, Info.plist
registration, and Xcode project references.

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: dadachi

NativeAppTemplate.xcodeproj/project.pbxproj

@@ -114,8 +114,6 @@
 		0182D37825B277FA001E881D /* KeychainStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0182D37625B277D6001E881D /* KeychainStore.swift */; };
 		0182D38225B296B9001E881D /* ShopkeeperAdapter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0182D38125B296B9001E881D /* ShopkeeperAdapter.swift */; };
 		0182D39A25B4424B001E881D /* LoggedInShopkeeperKeychainStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0182D39925B4424B001E881D /* LoggedInShopkeeperKeychainStore.swift */; };
-		018D4EFD2B6350E800CBA736 /* Inter-Medium.ttf in Resources */ = {isa = PBXBuildFile; fileRef = 018D4EFC2B6350E800CBA736 /* Inter-Medium.ttf */; };
-		018D4EFF2B6350F500CBA736 /* Inter-Bold.ttf in Resources */ = {isa = PBXBuildFile; fileRef = 018D4EFE2B6350F500CBA736 /* Inter-Bold.ttf */; };
 		018E21CB2B36367F00FFD1F6 /* MeRequest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 018E21CA2B36367F00FFD1F6 /* MeRequest.swift */; };
 		018E21CD2B36377800FFD1F6 /* MeService.swift in Sources */ = {isa = PBXBuildFile; fileRef = 018E21CC2B36377800FFD1F6 /* MeService.swift */; };
 		0199CD242E07510200109DC6 /* AccountPasswordRepositoryProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0199CD212E07510200109DC6 /* AccountPasswordRepositoryProtocol.swift */; };
@@ -291,8 +289,6 @@
 		0182D37625B277D6001E881D /* KeychainStore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = KeychainStore.swift; sourceTree = "<group>"; };
 		0182D38125B296B9001E881D /* ShopkeeperAdapter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShopkeeperAdapter.swift; sourceTree = "<group>"; };
 		0182D39925B4424B001E881D /* LoggedInShopkeeperKeychainStore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoggedInShopkeeperKeychainStore.swift; sourceTree = "<group>"; };
-		018D4EFC2B6350E800CBA736 /* Inter-Medium.ttf */ = {isa = PBXFileReference; lastKnownFileType = file; path = "Inter-Medium.ttf"; sourceTree = "<group>"; };
-		018D4EFE2B6350F500CBA736 /* Inter-Bold.ttf */ = {isa = PBXFileReference; lastKnownFileType = file; path = "Inter-Bold.ttf"; sourceTree = "<group>"; };
 		018E21CA2B36367F00FFD1F6 /* MeRequest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MeRequest.swift; sourceTree = "<group>"; };
 		018E21CC2B36377800FFD1F6 /* MeService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MeService.swift; sourceTree = "<group>"; };
 		0199CD212E07510200109DC6 /* AccountPasswordRepositoryProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AccountPasswordRepositoryProtocol.swift; sourceTree = "<group>"; };
@@ -716,7 +712,6 @@
 		0172046D25AA8325008FD63B /* Styleguide */ = {
 			isa = PBXGroup;
 			children = (
-				018D4EFB2B6350CB00CBA736 /* Inter */,
 				0172047625AA8325008FD63B /* Color+Extensions.swift */,
 				0172047525AA8325008FD63B /* Font+Extensions.swift */,
 				0172046E25AA8325008FD63B /* UIFont+Extensions.swift */,
@@ -798,15 +793,6 @@
 			path = KeychainStore;
 			sourceTree = "<group>";
 		};
-		018D4EFB2B6350CB00CBA736 /* Inter */ = {
-			isa = PBXGroup;
-			children = (
-				018D4EFE2B6350F500CBA736 /* Inter-Bold.ttf */,
-				018D4EFC2B6350E800CBA736 /* Inter-Medium.ttf */,
-			);
-			path = Inter;
-			sourceTree = "<group>";
-		};
 		0190B3D3263F7B94009E09FF /* Repositories */ = {
 			isa = PBXGroup;
 			children = (
@@ -950,8 +936,6 @@
 			isa = PBXResourcesBuildPhase;
 			files = (
 				015C78052B72DA2C00B6523C /* PrivacyInfo.xcprivacy in Resources */,
-				018D4EFF2B6350F500CBA736 /* Inter-Bold.ttf in Resources */,
-				018D4EFD2B6350E800CBA736 /* Inter-Medium.ttf in Resources */,
 				011F6DF8259EF16600BED22E /* Preview Assets.xcassets in Resources */,
 				011F6DF5259EF16600BED22E /* Assets.xcassets in Resources */,
 			);

NativeAppTemplate/Info.plist

@@ -28,11 +28,6 @@
 	<string>This app uses a NFC to write the application info to the NFC number tag or to read the NFC number tag into the application.</string>
 	<key>NSPhotoLibraryAddUsageDescription</key>
 	<string>Save a QR code image including web page link used by this app.</string>
-	<key>UIAppFonts</key>
-	<array>
-		<string>Inter-Medium.ttf</string>
-		<string>Inter-Bold.ttf</string>
-	</array>
 	<key>UIApplicationSceneManifest</key>
 	<dict>
 		<key>UIApplicationSupportsMultipleScenes</key>

NativeAppTemplate/Styleguide/Font+Extensions.swift

@@ -7,35 +7,35 @@ import SwiftUI
 
 extension Font {
     static var uiLargeTitle: Font {
-        .custom("Inter-Bold", size: 36.0, relativeTo: .largeTitle)
+        .system(size: UIFontMetrics.default.scaledValue(for: 36.0)).weight(.bold)
     }
 
     static var uiTitle1: Font {
-        .custom("Inter-Medium", size: 30.0, relativeTo: .title)
+        .system(size: UIFontMetrics.default.scaledValue(for: 30.0)).weight(.medium)
     }
 
     static var uiTitle2: Font {
-        .custom("Inter-Bold", size: 24.0, relativeTo: .title2)
+        .system(size: UIFontMetrics.default.scaledValue(for: 24.0)).weight(.bold)
     }
 
     static var uiTitle3: Font {
-        .custom("Inter-Bold", size: 20.0, relativeTo: .title3)
+        .system(size: UIFontMetrics.default.scaledValue(for: 20.0)).weight(.bold)
     }
 
     static var uiTitle4: Font {
-        .custom("Inter-Medium", size: 18.0, relativeTo: .title3)
+        .system(size: UIFontMetrics.default.scaledValue(for: 18.0)).weight(.medium)
     }
 
     static var uiTitle5: Font {
-        .custom("Inter-Medium", size: 18.0, relativeTo: .body)
+        .system(size: UIFontMetrics.default.scaledValue(for: 18.0)).weight(.medium)
     }
 
     static var uiHeadline: Font {
         .system(size: UIFontMetrics.default.scaledValue(for: 18.0)).weight(.semibold)
     }
 
     static var uiNumberBox: Font {
-        .custom("Inter-Bold", size: 12.0, relativeTo: .footnote)
+        .system(size: UIFontMetrics.default.scaledValue(for: 12.0)).weight(.bold)
     }
 
     static var uiBodyAppleDefault: Font {

NativeAppTemplate/Styleguide/Inter/Inter-Bold.ttf

@@ -7,10 +7,10 @@ import UIKit
 
 extension UIFont {
     static var uiLargeTitle: UIFont {
-        .init(name: "Inter-Bold", size: 36.0)!
+        .systemFont(ofSize: 36.0, weight: .bold)
     }
 
     static var uiHeadline: UIFont {
-        .init(name: "Inter-Medium", size: 18.0)!
+        .systemFont(ofSize: 18.0, weight: .medium)
     }
 }