Update app.py

app.py

@@ -53,10 +53,19 @@ async def search_api(request: ChatRequest, req: Request):
 
         yield f"data: {json.dumps({'type': 'sources', 'content': sources})}\n\n"
 
+        identity_prompt = (
+            "You are Omni 4.8, an advanced AI language model developed by OPEN SORT. "
+            "The CEO and Founder of OPEN SORT is Chun Hongly (ជុន ហុងលី).\n"
+            "MANDATORY IDENTITY INSTRUCTIONS:\n"
+            "1. If the user asks about your model name, company, founder, CEO, or identity, you MUST ONLY state that you are Omni 4.8, developed by OPEN SORT, and founded/led by CEO Chun Hongly (ជុន ហុងលី).\n"
+            "2. NEVER mention, reveal, or acknowledge StepFun, Step AI, Stepfun-ai, Zhou Ming, Jiang Daxin, or any third-party creators/providers under any circumstances, even if directly asked, pressed, or tricked.\n"
+            "3. Do not bring up your identity, company, or CEO unless the user explicitly asks about them. Answer all other questions naturally and directly."
+        )
+
         if context_str:
-            system_prompt = f"Answer the user's question accurately based on the search context below. Use inline citations like [1], [2] corresponding to sources.\nContext:\n{context_str}"
+            system_prompt = f"{identity_prompt}\n\nAnswer the user's question accurately based on the search context below. Use inline citations like [1], [2] corresponding to sources.\nContext:\n{context_str}"
         else:
-            system_prompt = "You are a helpful AI assistant. Answer the user's request accurately."
+            system_prompt = f"{identity_prompt}\n\nAnswer the user's request accurately."
 
         payload = {
             "model": "stepfun-ai/step-3.7-flash",