give the selection cards their own parts instead of label blobs

src/ui/selection/SelectionNames.h

@@ -2,9 +2,14 @@
 
 #include <QString>
 
+#include "BehaviorKind.h"
 #include "BuildingType.h"
 
 // Display name of a building type for the selection panel's header and count rows
 // (REQ-UI-SELECTION-CARD, REQ-UI-MULTI-SELECTION). The name is derived from the type's
 // config id, so a new building type needs no entry here.
 QString getBuildingTypeName(BuildingType type);
+
+// Name of the behavior currently governing a ship, for the ship card's header slot
+// (REQ-UI-SHIP-BEHAVIOR). Empty when no behavior has won yet, which shows no slot.
+QString getBehaviorLabel(BehaviorKind kind);