Update main.py

main.py

@@ -115,9 +115,18 @@ def generator_agent(state: State) -> State:
     
     topic = state["topic"]
     
-    generate_prompt = f"""Create a complete, detailed Japanese lesson about: {topic}
+    generate_prompt = f"""You are an expert Japanese language instructor. Create a detailed, comprehensive lesson about: {topic}
 
-Generate a JSON lesson with exactly this structure:
+IMPORTANT: You MUST return ONLY valid JSON. NO markdown, NO backticks, NO explanations.
+
+For each vocabulary item, MUST include:
+- Actual Japanese characters (e.g., こんにちは, 銀行, 友達)
+- Romaji transcription
+- English meaning
+- Hiragana reading
+- Example sentence with Japanese characters
+
+Generate exactly this JSON structure (MUST be valid JSON):
 
 {{
   "title": "Create an engaging title related to {topic}",
@@ -137,22 +146,22 @@ Generate a JSON lesson with exactly this structure:
       "conversation": "Create a realistic beginner-level dialogue related to {topic} with A and B speakers using simple Japanese. Include line breaks with \\n",
       "conversationTranslation": "Provide English translation of the dialogue",
       "vocabularies": [
-        {{"japanese": "Japanese word", "romaji": "romanization", "meaning": "English meaning", "hiragana": "hiragana", "example": "Example sentence using the word"}},
-        {{"japanese": "Japanese word", "romaji": "romanization", "meaning": "English meaning", "hiragana": "hiragana", "example": "Example sentence"}},
-        {{"japanese": "Japanese word", "romaji": "romanization", "meaning": "English meaning", "hiragana": "hiragana", "example": "Example sentence"}},
-        {{"japanese": "Japanese word", "romaji": "romanization", "meaning": "English meaning", "hiragana": "hiragana", "example": "Example sentence"}},
-        {{"japanese": "Japanese word", "romaji": "romanization", "meaning": "English meaning", "hiragana": "hiragana", "example": "Example sentence"}},
-        {{"japanese": "Japanese word", "romaji": "romanization", "meaning": "English meaning", "hiragana": "hiragana", "example": "Example sentence"}},
-        {{"japanese": "Japanese word", "romaji": "romanization", "meaning": "English meaning", "hiragana": "hiragana", "example": "Example sentence"}},
-        {{"japanese": "Japanese word", "romaji": "romanization", "meaning": "English meaning", "hiragana": "hiragana", "example": "Example sentence"}},
-        {{"japanese": "Japanese word", "romaji": "romanization", "meaning": "English meaning", "hiragana": "hiragana", "example": "Example sentence"}},
-        {{"japanese": "Japanese word", "romaji": "romanization", "meaning": "English meaning", "hiragana": "hiragana", "example": "Example sentence"}}
+        {{"japanese": "こんにちは", "romaji": "Konnichiwa", "meaning": "Hello", "hiragana": "こんにちは", "example": "こんにちは。お元気ですか?"}},
+        {{"japanese": "友達", "romaji": "Tomodachi", "meaning": "Friend", "hiragana": "ともだち", "example": "私の友達は学生です。"}},
+        {{"japanese": "話す", "romaji": "Hanasu", "meaning": "To talk/speak", "hiragana": "はなす", "example": "友達と話します。"}},
+        {{"japanese": "一緒に", "romaji": "Issho ni", "meaning": "Together", "hiragana": "いっしょに", "example": "友達と一緒に遊びます。"}},
+        {{"japanese": "楽しい", "romaji": "Tanoshii", "meaning": "Fun/enjoyable", "hiragana": "たのしい", "example": "友達との会話は楽しいです。"}},
+        {{"japanese": "笑う", "romaji": "Warau", "meaning": "To laugh", "hiragana": "わらう", "example": "一緒に笑います。"}},
+        {{"japanese": "学校", "romaji": "Gakkou", "meaning": "School", "hiragana": "がっこう", "example": "学校の友達です。"}},
+        {{"japanese": "遊ぶ", "romaji": "Asobu", "meaning": "To play/hang out", "hiragana": "あそぶ", "example": "放課後に遊びます。"}},
+        {{"japanese": "会う", "romaji": "Au", "meaning": "To meet", "hiragana": "あう", "example": "友達に会いました。"}},
+        {{"japanese": "大切", "romaji": "Taisetsu", "meaning": "Important/precious", "hiragana": "たいせつ", "example": "友達は大切です。"}}
       ],
       "grammarPoints": [
-        {{"pattern": "Grammar pattern 1", "level": "N5", "explanation": "Detailed explanation of this grammar pattern", "example": "Example sentence using this pattern", "translation": "English translation of example"}},
-        {{"pattern": "Grammar pattern 2", "level": "N5", "explanation": "Detailed explanation of this grammar pattern", "example": "Example sentence using this pattern", "translation": "English translation of example"}},
-        {{"pattern": "Grammar pattern 3", "level": "N5", "explanation": "Detailed explanation of this grammar pattern", "example": "Example sentence using this pattern", "translation": "English translation of example"}},
-        {{"pattern": "Grammar pattern 4", "level": "N5", "explanation": "Detailed explanation of this grammar pattern", "example": "Example sentence using this pattern", "translation": "English translation of example"}}
+        {{"pattern": "N は N です", "level": "N5", "explanation": "Basic statement pattern. Used to state what something or someone is.", "example": "私は学生です。", "translation": "I am a student."}},
+        {{"pattern": "V ます (Polite present)", "level": "N5", "explanation": "Polite form of action verbs in present/future tense.", "example": "友達と話します。", "translation": "I talk with my friend."}},
+        {{"pattern": "と一緒に", "level": "N5", "explanation": "Means 'together with' or 'at the same time as'. Shows doing something with someone.", "example": "友達と一緒に遊びます。", "translation": "I play together with my friend."}},
+        {{"pattern": "N は 形容詞 です", "level": "N5", "explanation": "Using adjectives to describe nouns in polite form.", "example": "友達は楽しいです。", "translation": "My friend is fun."}}
       ],
       "interactiveActivities": [
         {{"type": "roleplay", "instruction": "Beginner-level roleplay instruction related to {topic}", "example": "Example dialogue or sentences"}},