Initial commit: Pezkuwi Wallet Android

Security hardened release:
- Code obfuscation enabled (minifyEnabled=true, shrinkResources=true)
- Sensitive files excluded (google-services.json, keystores)
- Branch.io key moved to BuildConfig placeholder
- Updated dependencies: OkHttp 4.12.0, Gson 2.10.1, BouncyCastle 1.77
- Comprehensive ProGuard rules for crypto wallet
- Navigation 2.7.7, Lifecycle 2.7.0, ConstraintLayout 2.1.4

feature-wallet-connect-api/src/main/AndroidManifest.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>

feature-wallet-connect-api/src/main/java/io/novafoundation/nova/feature_wallet_connect_api/di/WalletConnectFeatureApi.kt

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+package io.novafoundation.nova.feature_wallet_connect_api.di
+
+import io.novafoundation.nova.feature_wallet_connect_api.di.deeplinks.WalletConnectDeepLinks
+import io.novafoundation.nova.feature_wallet_connect_api.domain.sessions.WalletConnectSessionsUseCase
+import io.novafoundation.nova.feature_wallet_connect_api.presentation.WalletConnectService
+
+interface WalletConnectFeatureApi {
+
+    val walletConnectService: WalletConnectService
+
+    val sessionsUseCase: WalletConnectSessionsUseCase
+
+    val walletConnectDeepLinks: WalletConnectDeepLinks
+}

feature-wallet-connect-api/src/main/java/io/novafoundation/nova/feature_wallet_connect_api/di/deeplinks/WalletConnectDeepLinks.kt

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+package io.novafoundation.nova.feature_wallet_connect_api.di.deeplinks
+
+import io.novafoundation.nova.feature_deep_linking.presentation.handling.DeepLinkHandler
+
+class WalletConnectDeepLinks(val deepLinkHandlers: List<DeepLinkHandler>)

feature-wallet-connect-api/src/main/java/io/novafoundation/nova/feature_wallet_connect_api/domain/sessions/WalletConnectSessionsUseCase.kt

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+package io.novafoundation.nova.feature_wallet_connect_api.domain.sessions
+
+import io.novafoundation.nova.feature_account_api.domain.model.MetaAccount
+import kotlinx.coroutines.flow.Flow
+
+interface WalletConnectSessionsUseCase {
+
+    fun activeSessionsNumberFlow(): Flow<Int>
+
+    fun activeSessionsNumberFlow(metaAccount: MetaAccount): Flow<Int>
+
+    suspend fun activeSessionsNumber(): Int
+
+    suspend fun syncActiveSessions()
+}

feature-wallet-connect-api/src/main/java/io/novafoundation/nova/feature_wallet_connect_api/presentation/WalletConnectService.kt

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+package io.novafoundation.nova.feature_wallet_connect_api.presentation
+
+import androidx.lifecycle.LiveData
+import io.novafoundation.nova.common.utils.Event
+
+interface WalletConnectService {
+
+    val onPairErrorLiveData: LiveData<Event<Throwable>>
+
+    fun connect()
+
+    fun disconnect()
+
+    fun pair(uri: String)
+}

feature-wallet-connect-api/src/main/java/io/novafoundation/nova/feature_wallet_connect_api/presentation/WalletConnectSessionsModel.kt

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+package io.novafoundation.nova.feature_wallet_connect_api.presentation
+
+import io.novafoundation.nova.common.utils.formatting.format
+
+class WalletConnectSessionsModel(val connections: String?)
+
+fun mapNumberOfActiveSessionsToUi(activeSessions: Int): WalletConnectSessionsModel {
+    return if (activeSessions > 0) {
+        WalletConnectSessionsModel(activeSessions.format())
+    } else {
+        WalletConnectSessionsModel(null)
+    }
+}

feature-wallet-connect-api/src/main/java/io/novafoundation/nova/feature_wallet_connect_api/presentation/utils/WalletConnectUtils.kt

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+package io.novafoundation.nova.feature_wallet_connect_api.presentation.utils
+
+import android.net.Uri
+
+object WalletConnectUtils {
+    fun isWalletConnectPairingLink(data: Uri): Boolean {
+        val isPezkuwiLink = data.scheme == "pezkuwiwallet" && data.host == "wc"
+        val isLinkFromOtherSource = data.scheme == "wc"
+        val isWalletConnectLink = isPezkuwiLink || isLinkFromOtherSource
+
+        val isPairing = "symKey" in data.toString()
+        return isWalletConnectLink && isPairing
+    }
+}