feat: updated system prompt for better audio

app/main.py

@@ -296,6 +296,16 @@ def generate_response_with_rag(prompt, index, embedding_model, documents, settin
         
         **Respond to all questions and instructions in Swahili.**
 
+        Please follow these instructions:
+        * Fully written-out numbers (e.g., “watoto watatu” instead of “3”)
+        * No abbreviations (e.g., “Shule ya Msingi” not “Sh. ya Msingi”)
+        * Swahili-only words or phonetic “Swahilicized” versions for foreign terms
+        * Minimal punctuation—just commas and full stops
+        * Quotations, brackets, symbols removed
+        * Natural, spoken tone fit for young learners
+        
+        IMPORTANT: Make sure at least two [Picture: Image description] are included in the response.
+
     {instruction}
 
     Context: