Updated on 2026-08-14

features/send/api/src/main/java/com/tangem/features/send/api/navigation/EditReturnTracker.kt

@@ -0,0 +1,27 @@
+package com.tangem.features.send.api.navigation
+
+/**
+ * Tracks the previously active route of a send-flow child stack to detect returns from edit screens.
+ *
+ * A Confirm screen receives the parent's state snapshot via its constructor only when it is freshly
+
+ * Confirm instance is reused, so the flow component must re-push the parent's current state into it.
+ * The gate for that re-push must read the route that was active *before* the current one — the
+ * Confirm route itself always has `isEditMode = false` ([REDACTED_TASK_KEY]).
+ *
+ * @param isEditRoute returns whether the given route is an edit screen route
+ */
+class EditReturnTracker<R : Any>(private val isEditRoute: (R) -> Boolean) {
+
+    private var previousRoute: R? = null
+
+    /**
+     * Registers [route] as the currently active route and returns `true` if the route
+     * that was active before it was an edit route.
+     */
+    fun onRouteActivated(route: R): Boolean {
+        val isReturnedFromEdit = previousRoute?.let(isEditRoute) == true
+        previousRoute = route
+        return isReturnedFromEdit
+    }
+}

features/send/api/src/test/java/com/tangem/features/send/api/navigation/EditReturnTrackerTest.kt

@@ -0,0 +1,108 @@
+package com.tangem.features.send.api.navigation
+
+import com.google.common.truth.Truth.assertThat
+import org.junit.jupiter.api.Test
+
+internal class EditReturnTrackerTest {
+
+    private sealed interface TestRoute {
+        val isEditMode: Boolean
+
+        data class Amount(override val isEditMode: Boolean) : TestRoute
+        data class Destination(override val isEditMode: Boolean) : TestRoute
+        data object Confirm : TestRoute {
+            override val isEditMode: Boolean = false
+        }
+        data object Success : TestRoute {
+            override val isEditMode: Boolean = false
+        }
+    }
+
+    private val tracker = EditReturnTracker<TestRoute> { it.isEditMode }
+
+    @Test
+    fun `GIVEN no previous route WHEN first route activated THEN no edit return detected`() {
+        val isReturnedFromEdit = tracker.onRouteActivated(TestRoute.Amount(isEditMode = false))
+
+        assertThat(isReturnedFromEdit).isFalse()
+    }
+
+    @Test
+    fun `GIVEN linear flow WHEN confirm activated first time THEN no edit return detected`() {
+        // Arrange
+        tracker.onRouteActivated(TestRoute.Amount(isEditMode = false))
+        tracker.onRouteActivated(TestRoute.Destination(isEditMode = false))
+
+        // Act
+        val isReturnedFromEdit = tracker.onRouteActivated(TestRoute.Confirm)
+
+        // Assert
+        assertThat(isReturnedFromEdit).isFalse()
+    }
+
+    @Test
+    fun `GIVEN amount edited from confirm WHEN popped back to confirm THEN edit return detected`() {
+        // Arrange: [REDACTED_TASK_KEY] reproduction — Amount -> Destination -> Confirm -> Amount(edit) -> Confirm
+        tracker.onRouteActivated(TestRoute.Amount(isEditMode = false))
+        tracker.onRouteActivated(TestRoute.Destination(isEditMode = false))
+        tracker.onRouteActivated(TestRoute.Confirm)
+        tracker.onRouteActivated(TestRoute.Amount(isEditMode = true))
+
+        // Act
+        val isReturnedFromEdit = tracker.onRouteActivated(TestRoute.Confirm)
+
+        // Assert
+        assertThat(isReturnedFromEdit).isTrue()
+    }
+
+    @Test
+    fun `GIVEN destination edited from confirm WHEN popped back to confirm THEN edit return detected`() {
+        // Arrange
+        tracker.onRouteActivated(TestRoute.Confirm)
+        tracker.onRouteActivated(TestRoute.Destination(isEditMode = true))
+
+        // Act
+        val isReturnedFromEdit = tracker.onRouteActivated(TestRoute.Confirm)
+
+        // Assert
+        assertThat(isReturnedFromEdit).isTrue()
+    }
+
+    @Test
+    fun `GIVEN edit return consumed WHEN next route activated THEN no edit return detected`() {
+        // Arrange
+        tracker.onRouteActivated(TestRoute.Confirm)
+        tracker.onRouteActivated(TestRoute.Amount(isEditMode = true))
+        tracker.onRouteActivated(TestRoute.Confirm)
+
+        // Act
+        val isReturnedFromEdit = tracker.onRouteActivated(TestRoute.Success)
+
+        // Assert
+        assertThat(isReturnedFromEdit).isFalse()
+    }
+
+    @Test
+    fun `GIVEN consecutive edits WHEN each pops back to confirm THEN each return detected independently`() {
+        tracker.onRouteActivated(TestRoute.Confirm)
+
+        assertThat(tracker.onRouteActivated(TestRoute.Amount(isEditMode = true))).isFalse()
+        assertThat(tracker.onRouteActivated(TestRoute.Confirm)).isTrue()
+        assertThat(tracker.onRouteActivated(TestRoute.Destination(isEditMode = true))).isFalse()
+        assertThat(tracker.onRouteActivated(TestRoute.Confirm)).isTrue()
+    }
+
+    @Test
+    fun `GIVEN confirm re-entered from non-edit route WHEN confirm activated THEN no edit return detected`() {
+        // Arrange: back from Confirm to Destination step, then Next re-pushes Confirm
+        tracker.onRouteActivated(TestRoute.Destination(isEditMode = false))
+        tracker.onRouteActivated(TestRoute.Confirm)
+        tracker.onRouteActivated(TestRoute.Destination(isEditMode = false))
+
+        // Act
+        val isReturnedFromEdit = tracker.onRouteActivated(TestRoute.Confirm)
+
+        // Assert
+        assertThat(isReturnedFromEdit).isFalse()
+    }
+}

features/send/impl/src/main/java/com/tangem/features/send/send/DefaultSendComponent.kt

@@ -22,6 +22,7 @@ import com.tangem.core.ui.extensions.resourceReference
 import com.tangem.domain.models.account.derivationIndex
 import com.tangem.features.send.api.SendComponent
 import com.tangem.features.send.api.analytics.CommonSendAnalyticEvents
+import com.tangem.features.send.api.navigation.EditReturnTracker
 import com.tangem.features.send.api.subcomponents.amount.AmountRoute
 import com.tangem.features.send.api.subcomponents.amount.SendAmountComponent
 import com.tangem.features.send.api.subcomponents.amount.SendAmountComponentParams
@@ -61,6 +62,8 @@ internal class DefaultSendComponent @AssistedInject constructor(
 
     private val model: SendModel = getOrCreateModel(params = params, router = innerRouter)
 
+    private val editReturnTracker = EditReturnTracker<CommonSendRoute> { it.isEditMode }
+
     private val childStack = childStack(
         key = "sendInnerStack",
         source = stackNavigation,
@@ -83,6 +86,7 @@ internal class DefaultSendComponent @AssistedInject constructor(
             lifecycle = lifecycle,
             mode = ObserveLifecycleMode.CREATE_DESTROY,
         ) { stack ->
+            val isReturnedFromEdit = editReturnTracker.onRouteActivated(stack.active.configuration)
             when (val activeComponent = stack.active.instance) {
                 is SendConfirmComponent -> {
                     val fromCurrency = params.currency
@@ -99,8 +103,9 @@ internal class DefaultSendComponent @AssistedInject constructor(
                             type = model.consumeEntryType(),
                         ),
                     )
-                    if (childStack.value.active.configuration.isEditMode) {
+                    // A reused Confirm gets no constructor state — re-push the edited fields on edit-return
-                        activeComponent.updateState(model.uiState.value)
+                    if (isReturnedFromEdit) {
+                        activeComponent.updateEditedState(model.uiState.value)
                     }
                 }
                 is SendAmountComponent -> {

features/send/impl/src/main/java/com/tangem/features/send/send/confirm/SendConfirmComponent.kt

@@ -137,11 +137,10 @@ internal class SendConfirmComponent(
         }.launchIn(componentScope)
     }
 
-    fun updateState(state: SendUM) {
+    fun updateEditedState(state: SendUM) {
         destinationBlockComponent.updateState(state.destinationUM)
         amountBlockComponent.updateState(state.amountUM)
-        feeSelectorBlockComponent.updateState(state.feeSelectorUM)
+        model.updateEditedState(state)
-        model.updateState(state)
     }
 
     @Composable

features/send/impl/src/main/java/com/tangem/features/send/send/confirm/model/SendConfirmModel.kt

@@ -166,8 +166,13 @@ internal class SendConfirmModel @Inject constructor(
         subscribeOnTapHelpUpdates()
     }
 
-    fun updateState(state: SendUM) {
+    /**
-        _uiState.value = state
+     * Applies the fields editable outside Confirm (amount, destination) from the parent's [state].
+     * Confirm-local fields (confirmUM, feeSelectorUM) must be kept — the parent's copies of them
+     * stay stale until a successful send.
+     */
+    fun updateEditedState(state: SendUM) {
+        _uiState.update { it.copy(amountUM = state.amountUM, destinationUM = state.destinationUM) }
         onFeeReload()
         updateConfirmNotifications()
     }

features/send/impl/src/main/java/com/tangem/features/send/sendnft/DefaultNFTSendComponent.kt

@@ -19,6 +19,7 @@ import com.tangem.core.ui.decompose.ComposableModularContentComponent
 import com.tangem.core.ui.extensions.resourceReference
 import com.tangem.features.send.api.NFTSendComponent
 import com.tangem.features.send.api.analytics.CommonSendAnalyticEvents
+import com.tangem.features.send.api.navigation.EditReturnTracker
 import com.tangem.features.send.api.subcomponents.destination.DestinationRoute
 import com.tangem.features.send.api.subcomponents.destination.SendDestinationComponent
 import com.tangem.features.send.api.subcomponents.destination.SendDestinationComponentParams
@@ -53,6 +54,8 @@ internal class DefaultNFTSendComponent @AssistedInject constructor(
 
     private val model: NFTSendModel = getOrCreateModel(params = params, router = innerRouter)
 
+    private val editReturnTracker = EditReturnTracker<CommonSendRoute> { it.isEditMode }
+
     private val childStack = childStack(
         key = "NFTSendInnerStack",
         source = stackNavigation,
@@ -75,6 +78,7 @@ internal class DefaultNFTSendComponent @AssistedInject constructor(
             lifecycle = lifecycle,
             mode = ObserveLifecycleMode.CREATE_DESTROY,
         ) { stack ->
+            val isReturnedFromEdit = editReturnTracker.onRouteActivated(stack.active.configuration)
             when (val activeComponent = stack.active.instance) {
                 is NFTSendConfirmComponent -> {
                     val fromCurrency = model.cryptoCurrency
@@ -90,9 +94,9 @@ internal class DefaultNFTSendComponent @AssistedInject constructor(
                             toDerivationIndex = null,
                         ),
                     )
-                    // Push current state into a reused Confirm on (re)entry. Confirm.isEditMode is `true`
+                    // A reused Confirm gets no constructor state — re-push the edited fields on edit-return
-                    if (stack.active.configuration.isEditMode) {
+                    if (isReturnedFromEdit) {
-                        activeComponent.updateState(model.uiState.value)
+                        activeComponent.updateEditedState(model.uiState.value)
                     }
                 }
                 is SendDestinationComponent -> {

features/send/impl/src/main/java/com/tangem/features/send/sendnft/confirm/NFTSendConfirmComponent.kt

@@ -134,9 +134,9 @@ internal class NFTSendConfirmComponent @AssistedInject constructor(
         }.launchIn(componentScope)
     }
 
-    fun updateState(state: NFTSendUM) {
+    fun updateEditedState(state: NFTSendUM) {
         destinationBlockComponent.updateState(state.destinationUM)
-        model.updateState(state)
+        model.updateEditedState(state)
     }
 
     @Composable

features/send/impl/src/main/java/com/tangem/features/send/sendnft/confirm/model/NFTSendConfirmModel.kt

@@ -127,8 +127,13 @@ internal class NFTSendConfirmModel @Inject constructor(
         initialState()
     }
 
-    fun updateState(nftSendUM: NFTSendUM) {
+    /**
-        _uiState.value = nftSendUM
+     * Applies the field editable outside Confirm (destination) from the parent's [nftSendUM].
+     * Confirm-local fields (confirmUM, feeSelectorUM) must be kept — the parent's copies of them
+     * stay stale until a successful send.
+     */
+    fun updateEditedState(nftSendUM: NFTSendUM) {
+        _uiState.update { it.copy(destinationUM = nftSendUM.destinationUM) }
         updateConfirmNotifications()
     }
 

features/send/impl/src/test/java/com/tangem/features/send/send/confirm/model/SendConfirmModelTest.kt

@@ -6,6 +6,7 @@ import arrow.core.right
 import com.tangem.blockchain.common.Amount
 import com.tangem.blockchain.common.transaction.Fee
 import com.tangem.blockchain.common.transaction.TransactionFee
+import com.google.common.truth.Truth.assertThat
 import com.tangem.common.ui.amountScreen.models.AmountState
 import com.tangem.core.decompose.model.MutableParamsContainer
 import com.tangem.domain.models.currency.CryptoCurrencyStatus
@@ -235,6 +236,59 @@ internal class SendConfirmModelTest : SendModelTestBase() {
         }
     }
 
+    @Nested
+    inner class UpdateEditedState {
+
+        @Test
+        fun `GIVEN stale parent state WHEN updateEditedState THEN amount and destination applied`() = runTest {
+            // Arrange
+            val sut = createSendConfirmModel(this, confirmParams(normalFeeState()))
+            advanceUntilIdle()
+            val editedAmount = mockk<AmountState.Data>(relaxed = true)
+            val editedDestination = mockk<DestinationUM.Content>(relaxed = true)
+
+            // Act
+            sut.updateEditedState(staleParentState(editedAmount, editedDestination))
+            advanceUntilIdle()
+
+            // Assert
+            assertThat(sut.uiState.value.amountUM).isEqualTo(editedAmount)
+            assertThat(sut.uiState.value.destinationUM).isEqualTo(editedDestination)
+            coVerify(exactly = 1) { feeSelectorReloadTrigger.triggerUpdate() }
+        }
+
+        @Test
+        fun `GIVEN stale parent state WHEN updateEditedState THEN confirm-local state preserved`() = runTest {
+            // Arrange: the parent's confirmUM/feeSelectorUM stay Empty/Loading until a successful send —
+            // they must not leak into the confirm model (blocks turn unclickable on ConfirmUM.Empty)
+            val sut = createSendConfirmModel(this, confirmParams(normalFeeState()))
+            advanceUntilIdle()
+            val feeSelectorUMBefore = sut.uiState.value.feeSelectorUM
+
+            // Act
+            sut.updateEditedState(
+                staleParentState(
+                    amountUM = mockk<AmountState.Data>(relaxed = true),
+                    destinationUM = mockk<DestinationUM.Content>(relaxed = true),
+                ),
+            )
+            advanceUntilIdle()
+
+            // Assert: confirmUM may be recomputed (notifications), but must stay Content — never the
+            // parent's Empty, which would disable the confirm blocks; the fee state must survive as is
+            assertThat(sut.uiState.value.confirmUM).isInstanceOf(ConfirmUM.Content::class.java)
+            assertThat(sut.uiState.value.feeSelectorUM).isEqualTo(feeSelectorUMBefore)
+        }
+
+        private fun staleParentState(amountUM: AmountState, destinationUM: DestinationUM) = SendUM(
+            amountUM = amountUM,
+            destinationUM = destinationUM,
+            feeSelectorUM = FeeSelectorUM.Loading,
+            confirmUM = ConfirmUM.Empty,
+            confirmData = null,
+        )
+    }
+
     // region fixtures
 
     private fun confirmParams(state: SendUM) = MutableParamsContainer(

features/send/impl/src/test/java/com/tangem/features/send/sendnft/confirm/model/NFTSendConfirmModelTest.kt

@@ -3,6 +3,7 @@ package com.tangem.features.send.sendnft.confirm.model
 import android.os.SystemClock
 import arrow.core.left
 import arrow.core.right
+import com.google.common.truth.Truth.assertThat
 import com.tangem.blockchain.common.Amount
 import com.tangem.blockchain.common.TransactionData
 import com.tangem.blockchain.common.transaction.Fee
@@ -261,6 +262,36 @@ internal class NFTSendConfirmModelTest {
         }
     }
 
+    @Nested
+    inner class UpdateEditedState {
+
+        @Test
+        fun `GIVEN stale parent state WHEN updateEditedState THEN destination applied and local state kept`() =
+            runTest {
+                // Arrange
+                val sut = buildModel()
+                advanceUntilIdle()
+                val feeSelectorUMBefore = sut.uiState.value.feeSelectorUM
+                val editedDestination = mockk<DestinationUM.Content>(relaxed = true)
+
+                // Act: the parent's confirmUM/feeSelectorUM stay Empty/Loading until a successful send —
+                // they must not leak into the confirm model (blocks turn unclickable on ConfirmUM.Empty)
+                sut.updateEditedState(
+                    NFTSendUM(
+                        destinationUM = editedDestination,
+                        feeSelectorUM = FeeSelectorUM.Loading,
+                        confirmUM = ConfirmUM.Empty,
+                    ),
+                )
+                advanceUntilIdle()
+
+                // Assert
+                assertThat(sut.uiState.value.destinationUM).isEqualTo(editedDestination)
+                assertThat(sut.uiState.value.confirmUM).isInstanceOf(ConfirmUM.Content::class.java)
+                assertThat(sut.uiState.value.feeSelectorUM).isEqualTo(feeSelectorUMBefore)
+            }
+    }
+
     // region fixtures
 
     private fun TestScope.buildModel(

features/swap-v2/CLAUDE.md

@@ -61,33 +61,37 @@ Consistent `.v2` segment (unlike the legacy `features/swap` which uses `feature.
 (`SwapAmountComponent.ModelCallback`, `SendDestinationComponent.ModelCallback`,
 `SendWithSwapConfirmComponent.ModelCallback`). Holds the **aggregate** state:
 - `uiState: StateFlow<SendWithSwapUM>` — `{ amountUM, destinationUM, feeSelectorUM, confirmUM, navigationUM }`
-- `currentRoute: MutableStateFlow<SendWithSwapRoute>`
 - `primaryCryptoCurrencyStatusFlow`, `primaryFeePaidCurrencyStatusFlow`, `accountFlow`,
   `isAccountModeFlow`, `isBalanceHiddenFlow` — read-only sources passed down to children as params.
 
 Child→parent merge callbacks:
 - `onAmountResult(amountUM)` → `uiState.copy(amountUM = …)`
 - `onDestinationResult(destinationUM)` → `uiState.copy(destinationUM = …)`
-- `onResult(route, sendWithSwapUM)` → **`if (currentRoute.value == route) uiState.value = …`** (full replace,
+- `onResult(sendWithSwapUM)` → `uiState.value = …` (full replace; used by Confirm to publish its full
-  route-guarded; used by Confirm to publish its full state back up)
+  state back up)
 - `onNavigationResult(navigationUM)` → drives the shared footer button/app-bar.
 
 ### childStack subscription = the state-sync mechanism (READ THIS)
-`DefaultSendWithSwapComponent.init { childStack.subscribe(CREATE_DESTROY) { stack → componentScope.launch { … } } }`:
+`DefaultSendWithSwapComponent.init { childStack.subscribe(CREATE_DESTROY) { stack → … } }`:
-on every active-child change it **pushes the parent's current snapshot into the newly-active child** and
+on every active-child change it **pushes the parent's current snapshot into the newly-active child**:
-then emits the new route:
 ```kotlin
-when (active) {
+val isReturnedFromEdit = editReturnTracker.onRouteActivated(stack.active.configuration)  // synchronous!
-  is SwapAmountComponent       -> active.updateState(uiState.value.amountUM)
+componentScope.launch {
-  is SendDestinationComponent  -> active.updateState(uiState.value.destinationUM)   // screen
+  when (active) {
-  is SendWithSwapConfirmComponent ->
+    is SwapAmountComponent       -> active.updateState(uiState.value.amountUM)
-      if (model.currentRoute.value.isEditMode) active.updateState(uiState.value)    // ← gated!
+    is SendDestinationComponent  -> active.updateState(uiState.value.destinationUM)   // screen
+    is SendWithSwapConfirmComponent -> {
+        if (isReturnedFromEdit) active.updateEditedState(uiState.value)               // ← gated!
+        active.updateDestinationState(uiState.value.destinationUM)                    // [REDACTED_TASK_KEY] bypass
+    }
+  }
 }
-model.currentRoute.emit(stack.active.configuration)   // emitted AFTER the isEditMode read
 ```
-The `isEditMode` check intentionally reads the **previous** route (the emit happens afterwards) so it is
+The gate must be true exactly when returning to a *reused* Confirm from an edit step — the Confirm route
-true exactly when returning to a *reused* Confirm from an edit step. In the linear flow Confirm is
+itself has `isEditMode = false`, so the check reads the **previous** route via `EditReturnTracker`
-re-created fresh from `params.sendWithSwapUM`, so no re-push is needed.
+(`features/send/api/.../navigation/EditReturnTracker.kt`, shared with Send and NFT Send). Gating on the
+*new* active configuration instead made the re-push unreachable and Confirm kept stale amounts ([REDACTED_TASK_KEY]).
+In the linear flow Confirm is re-created fresh from `params.sendWithSwapUM`, so no re-push is needed.
 
 ### Confirm: SendWithSwapConfirmComponent / SendWithSwapConfirmModel
 `impl/.../sendviaswap/confirm/`. The Confirm screen embeds **read-only blocks** reused from send-v2:
@@ -102,9 +106,12 @@ re-created fresh from `params.sendWithSwapUM`, so no re-push is needed.
   `enteredDestination`, `enteredMemo`, `fee`, statuses, quote, rateType, amountType, priceImpact from
   `uiState`; this is what the transaction + notifications are built from.
 - `onFeeResult/onAmountResult/onDestinationResult` — block callbacks copy into `uiState`.
-- `updateState(sendWithSwapUM)` — full replace (used by the edit-mode re-push).
+- `updateEditedState(sendWithSwapUM)` — the edit-return re-push; copies ONLY the parent-owned fields
-- `configConfirmNavigation` — `combine(uiState, currentRoute).filter { route is Confirm }` →
+  (`amountUM`, `destinationUM`). Confirm-local `confirmUM`/`feeSelectorUM` must never be overwritten
-  `callback.onResult(Confirm, state.copy(navigationUM = …))` (publishes confirm state up to the parent).
+  from the parent (a full replace kills `blockClickEnableFlow` — parent's `confirmUM` is `Empty`).
+- Publishes its state up to the parent only **after a successful send** (`callback.onResult(uiState.value)`).
+  Until then, confirm-local changes (fee selection, confirmUM) live only in this model — the parent's
+  copy is stale.
 - Sending: `SwapTransactionSender` (CEX only; DEX/DEX_BRIDGE/ONRAMP rejected). Success →
   `SendWithSwapConfirmSentStateTransformer` + `router.replaceAll(Success)`.
 
@@ -184,11 +191,11 @@ auto-next, and **on back only when `!route.isEditMode`**.
   `saveResult()` (`SendDestinationModel.configDestinationNavigation`, `if (!route.isEditMode)`), so the
   parent keeps the pre-edit value. The footer "Continue"/"Next" button always persists. This is shared
   by regular Send + NFT Send + SvS.
-- **`onResult` is route-guarded.** `SendWithSwapModel.onResult` only applies when
+- **The Confirm re-push gate reads the *previous* route.** The reused-Confirm `updateState` in the
-  `currentRoute.value == route`, which protects against late/stale Confirm emissions overwriting the
+  childStack subscription is gated on `EditReturnTracker.onRouteActivated(...)` (send api), which reports
-  parent after navigating away. Keep that guard if you refactor.
+  whether the route active *before* the new one was an edit route. Gating on the new active
-- **`currentRoute.emit` runs at the END of the subscribe coroutine**, so the `isEditMode` re-push gate
+  configuration (`Confirm.isEditMode` — always `false`) silently disables the re-push ([REDACTED_TASK_KEY]).
-  reads the *previous* route. Relies on `componentScope` launches being serialized (main dispatcher).
+  The tracker must be called synchronously in the subscribe callback, not inside a launched coroutine.
 - **CEX-only.** `SwapTransactionSender` rejects DEX/DEX_BRIDGE/ONRAMP. Destination address for CEX is
   only known after exchange-data, so confirm notifications pass `destinationAddress = null` for the
   send-notifications path.

features/swap-v2/impl/src/main/java/com/tangem/features/swap/v2/impl/sendviaswap/DefaultSendWithSwapComponent.kt

@@ -20,6 +20,7 @@ import com.tangem.core.ui.extensions.resourceReference
 import com.tangem.domain.swap.models.R
 import com.tangem.domain.swap.models.SwapDirection
 import com.tangem.features.send.api.analytics.CommonSendAnalyticEvents
+import com.tangem.features.send.api.navigation.EditReturnTracker
 import com.tangem.features.send.api.subcomponents.destination.DestinationRoute
 import com.tangem.features.send.api.subcomponents.destination.SendDestinationComponent
 import com.tangem.features.send.api.subcomponents.destination.SendDestinationComponentParams
@@ -57,6 +58,8 @@ internal class DefaultSendWithSwapComponent @AssistedInject constructor(
 
     private val model: SendWithSwapModel = getOrCreateModel(params = params, router = innerRouter)
 
+    private val editReturnTracker = EditReturnTracker<SendWithSwapRoute> { it.isEditMode }
+
     private val childStack = childStack(
         key = "sendWithSwapInnerStack",
         source = stackNavigation,
@@ -79,6 +82,8 @@ internal class DefaultSendWithSwapComponent @AssistedInject constructor(
             lifecycle = lifecycle,
             mode = ObserveLifecycleMode.CREATE_DESTROY,
         ) { stack ->
+            // Read synchronously: coroutine scheduling must not reorder tracker updates between stack events
+            val isReturnedFromEdit = editReturnTracker.onRouteActivated(stack.active.configuration)
             componentScope.launch {
                 when (val activeComponent = stack.active.instance) {
                     is SwapAmountComponent -> {
@@ -94,8 +99,9 @@ internal class DefaultSendWithSwapComponent @AssistedInject constructor(
                         activeComponent.updateState(model.uiState.value.destinationUM)
                     }
                     is SendWithSwapConfirmComponent -> {
-                        if (stack.active.configuration.isEditMode) {
+                        // A reused Confirm gets no constructor state — re-push the edited fields on edit-return
-                            activeComponent.updateState(model.uiState.value)
+                        if (isReturnedFromEdit) {
+                            activeComponent.updateEditedState(model.uiState.value)
                         }
                         // Re-sync destination from parent on Confirm entry, bypassing the edit-mode gate ([REDACTED_TASK_KEY]).
                         activeComponent.updateDestinationState(model.uiState.value.destinationUM)

features/swap-v2/impl/src/main/java/com/tangem/features/swap/v2/impl/sendviaswap/confirm/SendWithSwapConfirmComponent.kt

@@ -179,10 +179,9 @@ internal class SendWithSwapConfirmComponent @AssistedInject constructor(
             .launchIn(componentScope)
     }
 
-    fun updateState(sendWithSwapUM: SendWithSwapUM) {
+    fun updateEditedState(sendWithSwapUM: SendWithSwapUM) {
         amountBlockComponent.updateState(sendWithSwapUM.amountUM)
-        feeSelectorBlockComponent.updateState(sendWithSwapUM.feeSelectorUM)
+        model.updateEditedState(sendWithSwapUM)
-        model.updateState(sendWithSwapUM)
     }
 
     // Re-sync destination from parent on Confirm entry, bypassing the edit-mode gate; Empty only occurs on

features/swap-v2/impl/src/main/java/com/tangem/features/swap/v2/impl/sendviaswap/confirm/model/SendWithSwapConfirmModel.kt

@@ -196,8 +196,19 @@ internal class SendWithSwapConfirmModel @Inject constructor(
         updateConfirmNotifications()
     }
 
-    fun updateState(sendWithSwapUM: SendWithSwapUM) {
+    /**
-        uiState.value = sendWithSwapUM
+     * Applies the fields editable outside Confirm (amount, destination) from the parent's [sendWithSwapUM].
+     * Confirm-local fields (confirmUM, feeSelectorUM) must be kept — the parent's copies of them
+     * stay stale until a successful send.
+     */
+    fun updateEditedState(sendWithSwapUM: SendWithSwapUM) {
+        uiState.update { state ->
+            state.copy(
+                amountUM = sendWithSwapUM.amountUM,
+                destinationUM = sendWithSwapUM.destinationUM,
+            )
+        }
+        updateConfirmNotifications()
     }
 
     override fun onFeeReload() {