feat: vibe code done

tests/translation/test1.json

@@ -0,0 +1,4 @@
+{
+  "prompt": "Translate the following English text to Russian: 'Hello, how are you today?'",
+  "expected": "Привет, как дела сегодня?"
+}

tests/translation/test2.json

@@ -0,0 +1,4 @@
+{
+  "prompt": "Translate the following Russian text to English: 'Как ваши дела?'",
+  "expected": "How are you?"
+}