fix: include answer_text of self_check questions in the quiz payload

api_postgres_test.go

@@ -134,18 +134,28 @@ func TestQuizAPIFlow(t *testing.T) {
 		}
 	}
 
-	// The quiz payload never reveals a solution.
+	// The quiz payload never reveals a solution; only self_check flashcards carry answer_text.
 	code, raw := c.do("GET", apiPrefix+"/quizzes/swiat", token, "")
 	if code != 200 {
 		t.Fatalf("GET /quizzes/swiat = %d", code)
 	}
 	body, _ := json.Marshal(raw)
-	for _, leak := range []string{"is_correct", "explanation", "answer_text", "Warszawa od 1596"} {
+	for _, leak := range []string{"is_correct", "explanation", "Warszawa od 1596"} {
 		if strings.Contains(string(body), leak) {
 			t.Errorf("GET /quizzes/swiat leaks %q: %s", leak, body)
 		}
 	}
 	quiz := data(raw)
+	for _, qi := range quiz["questions"].([]any) {
+		qm := qi.(map[string]any)
+		text, has := qm["answer_text"]
+		if (qm["type"] == "self_check") != has {
+			t.Errorf("question %v (%v): answer_text present = %v", qm["id"], qm["type"], has)
+		}
+		if has && text != "Zdolność społeczeństwa do..." {
+			t.Errorf("self_check answer_text = %v", text)
+		}
+	}
 	if qs := quiz["questions"].([]any); len(qs) != 3 || qs[0].(map[string]any)["id"] != float64(f.single.ID) {
 		t.Errorf("questions = %v, want three in sort order", qs)
 	}