Reuse agentic LLM default in CLI help

Author: mahikaw

nemo_retriever/src/nemo_retriever/cli/query/options.py

@@ -9,6 +9,7 @@
 import typer
 
 from nemo_retriever.models import VL_EMBED_MODEL, VL_RERANK_MODEL
+from nemo_retriever.query.options import DEFAULT_AGENTIC_LLM_MODEL
 
 DEFAULT_EMBED_MODEL = VL_EMBED_MODEL
 DEFAULT_RERANK_MODEL = VL_RERANK_MODEL
@@ -162,9 +163,8 @@
         "--agentic-llm-model",
         envvar="NEMO_RETRIEVER_AGENTIC_LLM_MODEL",
         help=(
-            "Chat model the agent drives. Defaults to "
-            "nvidia/llama-3.3-nemotron-super-49b-v1.5; override here or via "
-            "NEMO_RETRIEVER_AGENTIC_LLM_MODEL."
+            f"Chat model the agent drives. Defaults to {DEFAULT_AGENTIC_LLM_MODEL}; "
+            "override here or via NEMO_RETRIEVER_AGENTIC_LLM_MODEL."
         ),
     ),
 ]