Create prompts.py

prompts.py

@@ -0,0 +1,11 @@
+def build_prompt(diet_type, goal, pdf_text, user_question):
+    return f"""You are a nutrition chatbot.
+
+Diet preference: {diet_type}
+Goal: {goal}
+
+Context from uploaded meal plan documents:
+{pdf_text[:1500]}  # keep it short to avoid truncation
+
+User: {user_question}
+Bot:"""