diff --git a/android-app/app/src/main/java/com/korexlabs/dhinspeccion/MainViewModel.kt b/android-app/app/src/main/java/com/korexlabs/dhinspeccion/MainViewModel.kt
index c5cddd0..daeac63 100644
--- a/android-app/app/src/main/java/com/korexlabs/dhinspeccion/MainViewModel.kt
+++ b/android-app/app/src/main/java/com/korexlabs/dhinspeccion/MainViewModel.kt
@@ -150,6 +150,7 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
     fun createFieldAsset(
         type: FieldType,
         parentId: String?,
+        familyId: String?,
         name: String,
         commonName: String?,
         attributes: Map<String, Any?>,
@@ -162,10 +163,15 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
             error = "La inspección debe estar en curso para dar de alta Inventario."
             return
         }
+        if (type.familyRequired && familyId == null) {
+            error = "Elegí una familia técnica o la opción Otro / no catalogado."
+            return
+        }
         launchBusy {
             val request = CreateFieldInventoryRequest(
                 typeId = type.id,
                 parentId = parentId,
+                familyId = familyId,
                 name = name.trim(),
                 commonName = commonName?.trim()?.takeIf { it.isNotBlank() },
                 attributes = attributes,
@@ -175,11 +181,38 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
                 deviceCapturedAt = Instant.now().toString(),
             )
             selectedFieldAsset = repository.createFieldAsset(visitId, request)
-            notice = "Inventario creado con GPS. Falta la fotografía obligatoria."
+            notice = "Inventario creado con GPS. Falta la fotografía obligatoria. Si ya existía, podés fusionarlo antes de continuar."
             inventory = repository.fieldInventory(visitId, null, null).data
         }
     }
 
+    fun mergeCreatedFieldAsset(canonicalAssetId: String, reason: String) {
+        val visitId = visit?.id ?: return
+        val source = selectedFieldAsset?.asset ?: return
+        if (canonicalAssetId.isBlank()) {
+            error = "Elegí el registro existente que se conservará."
+            return
+        }
+        if (reason.trim().length < 8) {
+            error = "Explicá brevemente por qué se trata de un duplicado."
+            return
+        }
+        launchBusy {
+            val result = repository.mergeFieldAsset(
+                visitId = visitId,
+                assetId = source.id,
+                canonicalAssetId = canonicalAssetId,
+                reason = reason,
+            )
+            selectedFieldAsset = repository.selectFieldAsset(visitId, result.canonical.id)
+            notice = "Fusión registrada. Se conserva ${result.canonical.code} y la historia de ${result.source.code} permanece trazable."
+            inventory = repository.fieldInventory(visitId, null, null).data
+            if (selectedFieldAsset?.capture?.readyForFinding == true) {
+                loadFindingOptionsInternal(visitId, result.canonical.id)
+            }
+        }
+    }
+
     fun uploadFieldPhoto(
         file: File,
         latitude: Double,