fix: consider username as input of generate

app.py

@@ -570,7 +570,7 @@ def format_prompt(message, history, system_prompt):
   return prompt.replace('\n','؛').replace('\t','/').replace(' * ','/').replace('\u200c',' ').strip()
 
 def generate(
-    prompt, history, system_prompt, 
+    prompt, history, username, system_prompt, 
     temperature=0.9, max_new_tokens=100, top_p=0.95, top_k=100,
     repetition_penalty=1.0, seed=42,
 ):