feat: pending invite store, iOS subscription illustration, settings theme polish

app/src/main/java/app/closer/data/local/PendingInviteStore.kt

@@ -0,0 +1,41 @@
+package app.closer.data.local
+
+import android.content.Context
+import dagger.hilt.android.qualifiers.ApplicationContext
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class PendingInviteStore @Inject constructor(
+    @ApplicationContext context: Context
+) {
+    private val prefs = SecurePreferencesFactory.encryptedSharedPreferences(context, PREFS_NAME)
+
+    data class PendingInvite(val code: String, val recoveryPhrase: String)
+
+    fun save(code: String, recoveryPhrase: String) {
+        prefs.edit()
+            .putString(KEY_CODE, code)
+            .putString(KEY_PHRASE, recoveryPhrase)
+            .putLong(KEY_CREATED_AT, System.currentTimeMillis())
+            .apply()
+    }
+
+    fun load(): PendingInvite? {
+        val code = prefs.getString(KEY_CODE, null) ?: return null
+        val phrase = prefs.getString(KEY_PHRASE, null) ?: return null
+        val age = System.currentTimeMillis() - prefs.getLong(KEY_CREATED_AT, 0L)
+        if (age > TTL_MS) { clear(); return null }
+        return PendingInvite(code, phrase)
+    }
+
+    fun clear() = prefs.edit().clear().apply()
+
+    companion object {
+        private const val PREFS_NAME = "closer_pending_invite"
+        private const val KEY_CODE = "code"
+        private const val KEY_PHRASE = "phrase"
+        private const val KEY_CREATED_AT = "created_at"
+        private const val TTL_MS = 24L * 60 * 60 * 1000
+    }
+}

app/src/main/java/app/closer/data/repository/InviteRepositoryImpl.kt

@@ -2,6 +2,7 @@ package app.closer.data.repository
 
 import app.closer.crypto.CoupleEncryptionManager
 import app.closer.crypto.RecoveryKeyManager
+import app.closer.data.local.PendingInviteStore
 import app.closer.data.local.RecoveryPhraseStore
 import app.closer.data.remote.FirestoreInviteDataSource
 import app.closer.domain.repository.AcceptInviteResult
@@ -16,10 +17,17 @@ class InviteRepositoryImpl @Inject constructor(
     private val dataSource: FirestoreInviteDataSource,
     private val encryptionManager: CoupleEncryptionManager,
     private val keyManager: RecoveryKeyManager,
-    private val recoveryPhraseStore: RecoveryPhraseStore
+    private val recoveryPhraseStore: RecoveryPhraseStore,
+    private val pendingInviteStore: PendingInviteStore
 ) : InviteRepository {
 
     override suspend fun createInvite(): Result<CreateInviteResult> = runCatching {
+        // Return the cached invite if it's still within the 24-hour window, avoiding redundant
+        // Cloud Function calls and the server-side rate limit (5 per hour).
+        pendingInviteStore.load()?.let { cached ->
+            return@runCatching CreateInviteResult(cached.code, cached.recoveryPhrase)
+        }
+
         // Generate the keyset + phrase once. Only the code (and the per-code encrypted phrase)
         // changes on the rare collision retry — the keyset itself stays the same.
         val setup = encryptionManager.setupForNewCouple()
@@ -30,6 +38,7 @@ class InviteRepositoryImpl @Inject constructor(
             val response = runCatching { dataSource.createInvite(code, setup.wrapped, encryptedPhrase) }
             response.onSuccess { r ->
                 encryptionManager.storeInviteSetup(r.code, setup)
+                pendingInviteStore.save(r.code, setup.recoveryPhrase)
                 recoveryPhraseStore.save(setup.recoveryPhrase)
                 return@runCatching CreateInviteResult(r.code, setup.recoveryPhrase)
             }
@@ -49,6 +58,7 @@ class InviteRepositoryImpl @Inject constructor(
             runCatching { keyManager.decryptPhraseWithCode(code, it) }.getOrNull()
         }
         phrase?.let { recoveryPhraseStore.save(it) }
+        pendingInviteStore.clear()
         raw.copy(recoveryPhrase = phrase)
     }
 

app/src/main/java/app/closer/ui/settings/SettingsViewModel.kt

@@ -8,6 +8,7 @@ import app.closer.domain.model.Outcome
 import app.closer.domain.model.OutcomeDay
 import app.closer.domain.model.OutcomeDayKey
 import app.closer.domain.model.OutcomeScores
+import app.closer.data.local.PendingInviteStore
 import app.closer.data.local.RecoveryPhraseStore
 import app.closer.domain.repository.AuthRepository
 import app.closer.domain.repository.CoupleRepository
@@ -51,7 +52,8 @@ class SettingsViewModel @Inject constructor(
     private val coupleRepository: CoupleRepository,
     private val settingsRepository: SettingsRepository,
     private val outcomeRepository: OutcomeRepository,
-    private val recoveryPhraseStore: RecoveryPhraseStore
+    private val recoveryPhraseStore: RecoveryPhraseStore,
+    private val pendingInviteStore: PendingInviteStore
 ) : ViewModel() {
 
     private val _uiState = MutableStateFlow(SettingsUiState())
@@ -186,6 +188,7 @@ class SettingsViewModel @Inject constructor(
         viewModelScope.launch {
             authRepository.signOut()
             recoveryPhraseStore.clear()
+            pendingInviteStore.clear()
             _uiState.update { it.copy(isSigningOut = false, navigateTo = AppRoute.ONBOARDING) }
         }
     }

iphone/Closer/Settings/SettingsViews.swift

@@ -73,8 +73,10 @@ struct SettingsView: View {
                         }
                     }
                     
-                    Button("Upgrade to Premium") {
+                    Button {
                         showPaywall = true
+                    } label: {
+                        PremiumSettingsCTA()
                     }
                     .disabled(isLoggedInAnonymously)
                     
@@ -635,15 +637,15 @@ struct PaywallView: View {
         NavigationStack {
             ScrollView {
                 VStack(spacing: CloserSpacing.xxl) {
-                    // Header
                     VStack(spacing: CloserSpacing.md) {
-                        CloserIllustrationView(imageName: "illustration-couple-paywall", size: 180)
-                        
-                        Text("Closer Premium")
+                        CloserIllustrationView(imageName: "illustration-couple-paywall", size: 184)
+
+                        Text("Go deeper together")
                             .font(CloserFont.title1)
                             .foregroundColor(.closerText)
-                        
-                        Text("Deepen your connection with exclusive features")
+                            .multilineTextAlignment(.center)
+
+                        Text("Unlock everything Closer has built for couples.")
                             .font(CloserFont.callout)
                             .foregroundColor(.closerTextSecondary)
                             .multilineTextAlignment(.center)
@@ -793,6 +795,37 @@ struct PaywallView: View {
     }
 }
 
+// MARK: - Premium Settings CTA
+
+struct PremiumSettingsCTA: View {
+    var body: some View {
+        HStack(spacing: CloserSpacing.md) {
+            Image("illustration-couple-subscription")
+                .resizable()
+                .scaledToFill()
+                .frame(width: 68, height: 68)
+                .clipShape(RoundedRectangle(cornerRadius: CloserRadius.large, style: .continuous))
+                .accessibilityHidden(true)
+
+            VStack(alignment: .leading, spacing: CloserSpacing.xs) {
+                Text("Upgrade to Premium")
+                    .font(CloserFont.headline)
+                    .foregroundColor(.closerText)
+                Text("One subscription for both partners.")
+                    .font(CloserFont.caption)
+                    .foregroundColor(.closerTextSecondary)
+            }
+
+            Spacer()
+
+            Image(systemName: "chevron.right")
+                .font(.footnote.weight(.semibold))
+                .foregroundColor(.closerTextSecondary)
+        }
+        .padding(.vertical, CloserSpacing.xs)
+    }
+}
+
 // MARK: - Premium Feature Row
 
 struct PremiumFeatureRow: View {

iphone/Closer/Theme/CloserTheme.swift

@@ -66,6 +66,7 @@ enum CloserFont {
     static let subheadline = Font.system(size: 15, weight: .regular)
     static let footnote = Font.system(size: 13, weight: .regular)
     static let caption = Font.system(size: 12, weight: .regular)
+    static let caption2 = Font.system(size: 11, weight: .regular)
 }
 
 // MARK: - Spacing
@@ -172,4 +173,4 @@ extension View {
             .foregroundColor(.closerText)
             .padding(.bottom, CloserSpacing.sm)
     }
-}
+}