Add developer prompt input

app.py

@@ -13,13 +13,13 @@ model = AutoModelForCausalLM.from_pretrained(
     token=hf_token
 )
 
-def process_request(user_prompt, tools_json):
+def process_request(user_prompt, developer_prompt, tools_json):
     try:
         tools = json.loads(tools_json) if tools_json.strip() else []
         
         # FunctionGemma format
         messages = [
-            {"role": "developer", "content": "You are a model that can do function calling with the following functions"},
+            {"role": "developer", "content": developer_prompt},
             {"role": "user", "content": user_prompt}
         ]
 
@@ -41,7 +41,7 @@ def process_request(user_prompt, tools_json):
 
 demo = gr.Interface(
     fn=process_request,
-    inputs=[gr.Textbox(label="User Prompt"), gr.Textbox(label="Tools (JSON Array)")],
+    inputs=[gr.Textbox(label="User Prompt"), gr.Textbox(label="Developer Prompt"), gr.Textbox(label="Tools (JSON Array)")],
     outputs=gr.Code(label="Model Output"),
     title="FunctionGemma CPU Fixed"
 )