P2 Stream E: FeatureComparisonScreen (replaces FeatureComparisonDialog)

Full-screen feature comparison matching iOS FeatureComparisonView.
Two-column table, iOS-equivalent row set, CTA to upgrade flow.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

composeApp/src/androidMain/kotlin/com/tt/honeyDue/ui/subscription/UpgradeFeatureScreenAndroid.kt

@@ -18,6 +18,7 @@ import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import com.android.billingclient.api.ProductDetails
 import com.tt.honeyDue.data.DataManager
+import com.tt.honeyDue.ui.screens.subscription.FeatureComparisonScreen
 import com.tt.honeyDue.platform.BillingManager
 import com.tt.honeyDue.ui.theme.AppSpacing
 import kotlinx.coroutines.launch
@@ -273,11 +274,12 @@ fun UpgradeFeatureScreenAndroid(
         }
 
         if (showFeatureComparison) {
-            FeatureComparisonDialog(
-                onDismiss = { showFeatureComparison = false },
-                onUpgrade = {
+            // P2 Stream E — replaces FeatureComparisonDialog with the
+            // shared full-screen FeatureComparisonScreen.
+            FeatureComparisonScreen(
+                onNavigateBack = { showFeatureComparison = false },
+                onNavigateToUpgrade = {
                     showFeatureComparison = false
-                    // Select first product if available
                     products.firstOrNull()?.let { product ->
                         selectedProductId = product.productId
                         activity?.let { act ->
@@ -289,7 +291,7 @@ fun UpgradeFeatureScreenAndroid(
                             )
                         }
                     }
-                }
+                },
             )
         }