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-gift-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-gift-api/src/main/java/io/novafoundation/nova/feature_gift_api/di/GiftDeepLinks.kt

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

feature-gift-api/src/main/java/io/novafoundation/nova/feature_gift_api/di/GiftFeatureApi.kt

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+package io.novafoundation.nova.feature_gift_api.di
+
+import io.novafoundation.nova.feature_gift_api.domain.GiftsAccountSupportedUseCase
+import io.novafoundation.nova.feature_gift_api.domain.AvailableGiftAssetsUseCase
+
+interface GiftFeatureApi {
+
+    val giftDeepLinks: GiftDeepLinks
+
+    val availableGiftAssetsUseCase: AvailableGiftAssetsUseCase
+
+    val giftsAccountSupportedUseCase: GiftsAccountSupportedUseCase
+}

feature-gift-api/src/main/java/io/novafoundation/nova/feature_gift_api/domain/AvailableGiftAssetsUseCase.kt

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+package io.novafoundation.nova.feature_gift_api.domain
+
+import io.novafoundation.nova.runtime.multiNetwork.chain.model.Chain
+import io.novafoundation.nova.runtime.multiNetwork.chain.model.FullChainAssetId
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.Flow
+
+interface AvailableGiftAssetsUseCase {
+    suspend fun isGiftsAvailable(chainAsset: Chain.Asset): Boolean
+
+    fun getAvailableGiftAssets(coroutineScope: CoroutineScope): Flow<Set<FullChainAssetId>>
+}

feature-gift-api/src/main/java/io/novafoundation/nova/feature_gift_api/domain/GiftsAccountSupportedUseCase.kt

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+package io.novafoundation.nova.feature_gift_api.domain
+
+import kotlinx.coroutines.flow.Flow
+
+enum class GiftsSupportedState {
+    SUPPORTED,
+    UNSUPPORTED_MULTISIG_ACCOUNTS
+}
+
+interface GiftsAccountSupportedUseCase {
+    suspend fun supportedState(): GiftsSupportedState
+
+    fun areGiftsSupportedFlow(): Flow<GiftsSupportedState>
+}