Add functional simulation question review

tests/simulation_review_test.gd

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+extends SceneTree
+
+var failures := 0
+
+
+func _initialize() -> void:
+	var review_script = load("res://scripts/ui/simulation_review.gd")
+	_assert(review_script._matches_filter("all", "A", "B", false), "all should include every response")
+	_assert(review_script._matches_filter("incorrect", "A", "B", false), "incorrect should include wrong answers")
+	_assert(not review_script._matches_filter("incorrect", "", "B", false), "incorrect should exclude unanswered questions")
+	_assert(review_script._matches_filter("unanswered", "", "B", false), "unanswered should include blank responses")
+	_assert(review_script._matches_filter("flagged", "B", "B", true), "flagged should include flagged correct responses")
+	_assert(not review_script._matches_filter("flagged", "A", "B", false), "flagged should exclude unflagged responses")
+	var review = review_script.new()
+	get_root().add_child(review)
+	await process_frame
+	review.on_show({
+		"reviewQuestions": [
+			{"externalId": "q1", "stem": "Stem one", "leadIn": "Lead one", "choices": [{"id": "A", "text": "One"}, {"id": "B", "text": "Two"}], "correctChoiceId": "A", "choiceExplanations": {"A": "Correct", "B": "Wrong"}, "explanation": "Overall", "labs": [], "media": [], "references": []},
+			{"externalId": "q2", "stem": "Stem two", "leadIn": "Lead two", "choices": [{"id": "A", "text": "One"}, {"id": "B", "text": "Two"}], "correctChoiceId": "B", "choiceExplanations": {}, "explanation": "Overall", "labs": [], "media": [], "references": []}
+		],
+		"responses": [{"questionExternalId": "q1", "choiceId": "B", "flagged": true}]
+	})
+	_assert(review.filtered_indices.size() == 2, "all filter should build a complete review set")
+	review._set_filter("incorrect")
+	_assert(review.filtered_indices == [0], "incorrect filter should retain only answered misses")
+	review._set_filter("unanswered")
+	_assert(review.filtered_indices == [1], "unanswered filter should retain blank responses")
+	await process_frame
+	review.queue_free()
+	await process_frame
+	quit(1 if failures > 0 else 0)
+
+
+func _assert(condition: bool, message: String) -> void:
+	if condition:
+		return
+	failures += 1
+	push_error(message)

tests/simulation_review_test.gd.uid

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+uid://dn2mvv1kmhup3