Add variable question distractor pools

scripts/ui/question_player.gd

@@ -442,8 +442,7 @@ func _load_question() -> void:
 	lead_label.text = question.get("lead_in", "")
 	_refresh_labs_button()
 
-	presented_choices = question.get("choices", []).duplicate(true)
-	presented_choices.shuffle()
+	presented_choices = question.get("presented_choices", question.get("choices", [])).duplicate(true)
 	var choices := presented_choices
 	for index in range(choice_buttons.size()):
 		var button := choice_buttons[index]
@@ -613,7 +612,11 @@ func _submit_or_next() -> void:
 			_collapse_resolved_followups()
 			var attempted_choice := selected_choice
 			var attempted_question_id := str(BlockSessionService.get_current_question().get("id", ""))
-			QuestionBankService.record_first_attempt(attempted_question_id, attempted_choice)
+			QuestionBankService.record_first_attempt(
+				attempted_question_id,
+				attempted_choice,
+				_presented_choice_ids()
+			)
 			var result := BlockSessionService.submit_core_attempt(selected_choice, eliminated, flagged)
 			if result.is_empty():
 				return
@@ -632,6 +635,12 @@ func _submit_or_next() -> void:
 			_trigger_wrong_feedback()
 			_apply_saved_choice_state()
 			return
+		var attempted_question_id := str(BlockSessionService.get_current_question().get("id", ""))
+		QuestionBankService.record_first_attempt(
+			attempted_question_id,
+			selected_choice,
+			_presented_choice_ids()
+		)
 		current_answer = BlockSessionService.answer_current(selected_choice, eliminated, flagged)
 		if BlockSessionService.mode == "Tutor":
 			_show_explanation()
@@ -1871,6 +1880,14 @@ func _get_presented_choices() -> Array:
 	return BlockSessionService.get_current_question().get("choices", [])
 
 
+func _presented_choice_ids() -> Array:
+	var ids: Array = []
+	for choice in _get_presented_choices():
+		if typeof(choice) == TYPE_DICTIONARY:
+			ids.append(str(choice.get("id", "")))
+	return ids
+
+
 func _display_label_for_index(index: int) -> String:
 	return String.chr(65 + index)