system prompt change

app.py

@@ -41,7 +41,7 @@ ADAPTER_ID        = os.getenv("ADAPTER_ID") or None
 ADAPTER_SUBFOLDER = os.getenv("ADAPTER_SUBFOLDER") or None
 ATTN_IMPL         = os.getenv("ATTN_IMPL", "eager")
 DTYPE             = DTYPE_MAP.get(os.getenv("DTYPE", "bf16").lower(), torch.bfloat16)
-SYSTEM_DEF        = os.getenv("SYSTEM_PROMPT", "You are Mirel.")
+SYSTEM_DEF        = os.getenv("SYSTEM_PROMPT", "You are Mirel, a memory-stable symbolic assistant.")
 MAX_DEF           = int(os.getenv("MAX_NEW_TOKENS", "512"))
 ZEROGPU           = os.getenv("ZEROGPU", os.getenv("ZERO_GPU", "0")) == "1"
 LOAD_4BIT         = os.getenv("LOAD_4BIT", "0") == "1"