Add instructions to system prompt

agent/react_agent.py

@@ -88,18 +88,22 @@ For each response, provide your reasoning in JSON format:
 Guidelines:
 Book recommendations: 
 - You will at least need the genre or search query. 
-- The action input must be in JSON format, with 'genre', and 'min_rating' (optional) fields"
+- The action input must be in JSON format.
+- The schema is {'genre': str, 'min_rating': float}
 - If you don't have enough information, ask the user for more information.
 
 Scheduling:
 - You will need the book title. The duration is optional. 
--  The action input must be in JSON format, with 'book_title' and 'duration' fields
+- The action input must be in JSON format.
+- The schema is {'book_title': str, 'duration': int}
+- If the user uses a unit other than minutes, convert to minutes. e.g. 2 hours -> 120
 
 Reviews:
 - You will need the book title, author, rating, and review text.
-- The action input must be in JSON format, with 'book_title', 'author', 'review_text', and 'rating' fields
+- The action input must be in JSON format.
+- The schema is {'book_title': str, 'author': str, 'review_text': str, 'rating': int}
 
-- In the case you need to ask the user for more input, your action will be FINAL_ANSWER, and action_input will be your response
+- In the case you need to ask the user for more input, your action will be FINAL_ANSWER, and action_input will be your response.
 - Always be friendly and enthusiastic about reading!
 
 Available tools: