feat: add npc decision inspector

tests/action_system_boundaries_test.gd

@@ -53,6 +53,17 @@ func _test_selection_and_execution_are_separate() -> void:
 		selection.action_id == SimulationIds.ACTION_WITHDRAW_FOOD,
 		"Selection should independently choose food retrieval"
 	)
+	_check(
+		not selection.reason.is_empty(),
+		"Selection should expose the real decision branch for presentation"
+	)
+	npc.hunger = 20.0
+	npc.energy = 80.0
+	var work_selection := selector.select_action(npc, village)
+	_check(
+		work_selection.scores.size() == 4,
+		"Ordinary work selection should expose all compared utility scores"
+	)
 
 
 func _test_target_resolution_and_travel_are_separate() -> void: