diff --git a/api-v3/src/inspection-visits/f3-field-inventory-structure.service.ts b/api-v3/src/inspection-visits/f3-field-inventory-structure.service.ts
index 1456bd6..75bc7bd 100644
--- a/api-v3/src/inspection-visits/f3-field-inventory-structure.service.ts
+++ b/api-v3/src/inspection-visits/f3-field-inventory-structure.service.ts
@@ -122,7 +122,16 @@ export class F3FieldInventoryStructureService {
       asset: { id: string; code: string; name: string };
       [key: string]: unknown;
     };
-    if (!family) return created;
+
+    // F5: the Inventory screens count only concrete instances confirmed/created in field.
+    // Legacy/context/catalog records intentionally remain false until explicitly validated.
+    await this.dataSource.query(`
+      UPDATE assets
+      SET is_inventory_instance=true,updated_by=$2::uuid,updated_at=CURRENT_TIMESTAMP
+      WHERE id=$1::uuid
+    `, [created.asset.id, principal.userId]);
+
+    if (!family) return this.fieldInventory.detail(visitId, created.asset.id, principal);
 
     await this.dataSource.transaction(async (manager) => {
       const [current] = await manager.query(`