show implicitly unlocked items in schematic unlock dialog

src/lib/core/SchematicChoiceOption.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <string>
+#include <vector>
 
 enum class SchematicType
 {
@@ -19,4 +20,9 @@ struct SchematicChoiceOption
     std::string displayName;
     bool isNewUnlock;
     int targetLevel;
+
+    // Display names of items produced by recipes that would newly become
+    // implicitly unlocked (REQ-LOCK-IMPLICIT) if this option is selected.
+    // Deduplicated and sorted alphabetically; empty if none.
+    std::vector<std::string> newlyUnlockedItemNames;
 };