feat: reuse Pubky Ring identities

Bitkit/AppScene.swift

@@ -3,6 +3,29 @@ import LDKNode
 import SwiftUI
 import UserNotifications
 
+enum OrphanedKeychainCleanup {
+    static func perform(
+        hasNativeKeychain: Bool,
+        hasOrphanedRNKeychain: Bool,
+        deleteBitkitSharedIdentities: () throws -> Void,
+        wipePrivateKeychain: () throws -> Void,
+        cleanupRNKeychain: () -> Void
+    ) throws {
+        guard hasNativeKeychain || hasOrphanedRNKeychain else {
+            return
+        }
+
+        // A reinstall must never orphan a shared Bitkit credential. Ring-owned
+        // accounts are outside this deletion's scope.
+        try deleteBitkitSharedIdentities()
+        try wipePrivateKeychain()
+
+        if hasOrphanedRNKeychain {
+            cleanupRNKeychain()
+        }
+    }
+}
+
 struct AppScene: View {
     @Environment(\.scenePhase) var scenePhase
     @EnvironmentObject private var session: SessionManager
@@ -485,7 +508,7 @@ struct AppScene: View {
     /// Handle orphaned keychain entries from previous app installs.
     /// If the installation marker doesn't exist but keychain has data, the app was reinstalled
     /// and the keychain data is orphaned (corresponding wallet data was deleted with the app).
-    private func handleOrphanedKeychain() {
+    private func handleOrphanedKeychain() throws {
         // If marker exists, app was installed before - keychain is valid
         if InstallationMarker.exists() {
             Logger.debug("Installation marker exists, skipping orphaned keychain check", context: "AppScene")
@@ -500,26 +523,30 @@ struct AppScene: View {
 
         if hasNativeKeychain || hasOrphanedRNKeychain {
             Logger.warn("Orphaned keychain detected, wiping", context: "AppScene")
-            try? Keychain.wipeEntireKeychain()
-
-            if hasOrphanedRNKeychain {
-                MigrationsService.shared.cleanupRNKeychain()
-            }
+            try OrphanedKeychainCleanup.perform(
+                hasNativeKeychain: hasNativeKeychain,
+                hasOrphanedRNKeychain: hasOrphanedRNKeychain,
+                deleteBitkitSharedIdentities: {
+                    try SharedPubkyIdentityVault.deleteAllBitkitIdentities()
+                },
+                wipePrivateKeychain: {
+                    try Keychain.wipeEntireKeychain()
+                },
+                cleanupRNKeychain: {
+                    MigrationsService.shared.cleanupRNKeychain()
+                }
+            )
         }
 
         // Create marker for this installation
-        do {
-            try InstallationMarker.create()
-        } catch {
-            Logger.error("Failed to create installation marker: \(error)", context: "AppScene")
-        }
+        try InstallationMarker.create()
     }
 
     @Sendable
     private func setupTask() async {
         do {
             // Handle orphaned keychain before anything else
-            handleOrphanedKeychain()
+            try handleOrphanedKeychain()
 
             await checkAndPerformRNMigration()
             try wallet.setWalletExistsState()
@@ -662,6 +689,9 @@ struct AppScene: View {
         }
 
         if newPhase == .active {
+            Task {
+                await pubkyProfile.validateSharedIdentitySourceIfNeeded()
+            }
             // Reconnect a known hardware device so its connection indicator turns green again;
             if isPinVerified || !settings.pinEnabled {
                 Task { await trezorManager.autoReconnect() }

Bitkit/Assets.xcassets/icons/key.imageset/Contents.json

@@ -0,0 +1,16 @@
+{
+  "images" : [
+    {
+      "filename" : "key.svg",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "preserves-vector-representation" : true,
+    "template-rendering-intent" : "template"
+  }
+}

Bitkit/Bitkit.entitlements

@@ -20,6 +20,7 @@
 		<string>$(AppIdentifierPrefix)to.bitkit.signet</string>
 		<string>$(AppIdentifierPrefix)to.bitkit.testnet</string>
 		<string>$(AppIdentifierPrefix)to.bitkit.regtest</string>
+		<string>$(AppIdentifierPrefix)pubky.shared</string>
 	</array>
 </dict>
 </plist>

Bitkit/Components/Button/Button.swift

@@ -66,6 +66,7 @@ struct CustomButton: View {
     let isDisabled: Bool
     let isLoading: Bool
     let shouldExpand: Bool
+    let labelKerning: CGFloat
     let background: AnyView?
     let action: (() async -> Void)?
     let destination: AnyView?
@@ -85,6 +86,7 @@ struct CustomButton: View {
         isDisabled: Bool = false,
         isLoading: Bool = false,
         shouldExpand: Bool = false,
+        labelKerning: CGFloat = 0.4,
         background: (any View)? = nil
     ) {
         self.title = title
@@ -94,6 +96,7 @@ struct CustomButton: View {
         self.isDisabled = isDisabled
         self.isLoading = isLoading
         self.shouldExpand = shouldExpand
+        self.labelKerning = labelKerning
         self.background = background.map { AnyView($0) }
         action = nil
         destination = nil
@@ -108,6 +111,7 @@ struct CustomButton: View {
         isDisabled: Bool = false,
         isLoading: Bool = false,
         shouldExpand: Bool = false,
+        labelKerning: CGFloat = 0.4,
         background: (any View)? = nil,
         action: @escaping () async -> Void
     ) {
@@ -118,6 +122,7 @@ struct CustomButton: View {
         self.isDisabled = isDisabled
         self.isLoading = isLoading
         self.shouldExpand = shouldExpand
+        self.labelKerning = labelKerning
         self.background = background.map { AnyView($0) }
         self.action = action
         destination = nil
@@ -132,6 +137,7 @@ struct CustomButton: View {
         isDisabled: Bool = false,
         isLoading: Bool = false,
         shouldExpand: Bool = false,
+        labelKerning: CGFloat = 0.4,
         background: (any View)? = nil,
         destination: some View
     ) {
@@ -142,6 +148,7 @@ struct CustomButton: View {
         self.isDisabled = isDisabled
         self.isLoading = isLoading
         self.shouldExpand = shouldExpand
+        self.labelKerning = labelKerning
         self.background = background.map { AnyView($0) }
         action = nil
         self.destination = AnyView(destination)
@@ -158,6 +165,7 @@ struct CustomButton: View {
                 isLoading: isLoading,
                 isPressed: isPressed,
                 shouldExpand: shouldExpand,
+                labelKerning: labelKerning,
                 background: background
             ))
         case .secondary:
@@ -167,13 +175,15 @@ struct CustomButton: View {
                 icon: icon,
                 isDisabled: effectiveIsDisabled,
                 isPressed: isPressed,
-                isLoading: isLoading
+                isLoading: isLoading,
+                labelKerning: labelKerning
             ))
         case .tertiary:
             AnyView(TertiaryButtonView(
                 title: title,
                 icon: icon,
-                isPressed: isPressed
+                isPressed: isPressed,
+                labelKerning: labelKerning
             ))
         }
     }

Bitkit/Components/Button/PrimaryButtonView.swift

@@ -8,6 +8,7 @@ struct PrimaryButtonView: View {
     let isLoading: Bool
     let isPressed: Bool
     let shouldExpand: Bool
+    let labelKerning: CGFloat
     let background: AnyView?
 
     var body: some View {
@@ -24,7 +25,7 @@ struct PrimaryButtonView: View {
                 if size == .small {
                     CaptionBText(title, textColor: .textPrimary)
                 } else {
-                    BodySSBText(title, textColor: .textPrimary)
+                    BodySSBText(title, textColor: .textPrimary, kerning: labelKerning)
                 }
             }
         }

Bitkit/Components/Button/SecondaryButtonView.swift

@@ -7,6 +7,7 @@ struct SecondaryButtonView: View {
     let isDisabled: Bool
     let isPressed: Bool
     var isLoading: Bool = false
+    let labelKerning: CGFloat
 
     var body: some View {
         HStack(spacing: 8) {
@@ -21,7 +22,7 @@ struct SecondaryButtonView: View {
             } else if size == .small {
                 CaptionBText(title, textColor: textColor)
             } else {
-                BodySSBText(title, textColor: textColor)
+                BodySSBText(title, textColor: textColor, kerning: labelKerning)
             }
         }
         .frame(maxWidth: size == .large ? .infinity : nil)

Bitkit/Components/Button/TertiaryButtonView.swift

@@ -4,14 +4,15 @@ struct TertiaryButtonView: View {
     let title: String
     let icon: AnyView?
     let isPressed: Bool
+    let labelKerning: CGFloat
 
     var body: some View {
         HStack(spacing: 8) {
             if let icon {
                 icon
             }
 
-            BodySSBText(title, textColor: textColor)
+            BodySSBText(title, textColor: textColor, kerning: labelKerning)
         }
         .frame(maxWidth: .infinity)
         .frame(height: CustomButton.Size.large.height)

Bitkit/Components/NavigationBar.swift

@@ -10,15 +10,13 @@ struct NavigationBar: View {
     let action: AnyView?
     let icon: String?
     let onBack: (() -> Void)?
-    let backAccessibilityIdentifier: String
 
     init(
         title: String,
         showBackButton: Bool = true,
         showMenuButton: Bool = true,
         action: AnyView? = nil,
         icon: String? = nil,
-        backAccessibilityIdentifier: String = "NavigationBack",
         onBack: (() -> Void)? = nil
     ) {
         self.title = title
@@ -27,7 +25,6 @@ struct NavigationBar: View {
         self.action = action
         self.icon = icon
         self.onBack = onBack
-        self.backAccessibilityIdentifier = backAccessibilityIdentifier
     }
 
     var body: some View {
@@ -51,7 +48,7 @@ struct NavigationBar: View {
                         .foregroundColor(.textPrimary)
                         .frame(width: 24, height: 24)
                 }
-                .accessibilityIdentifier(backAccessibilityIdentifier)
+                .accessibilityIdentifier("NavigationBack")
             } else {
                 Spacer()
                     .frame(width: 24, height: 24)

Bitkit/Info.plist

@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>SharedPubkyKeychainAccessGroup</key>
+	<string>$(AppIdentifierPrefix)pubky.shared</string>
 	<key>CFBundleURLTypes</key>
 	<array>
 		<dict>