Update chat_template.jinja

chat_template.jinja

@@ -12,7 +12,7 @@
 {%- set enable_thinking = enable_thinking if enable_thinking is defined else True %}
 {# TODO: set truncate to true for deployment & agent evals. Keep on for SFT. #}
 {%- set truncate_history_thinking = truncate_history_thinking if truncate_history_thinking is defined else False %}
-
+{{- bos_token }}
 {%- set ns = namespace(last_user_idx = -1) %}
 {%- set loop_messages = messages %}
 {%- for m in loop_messages %}
@@ -202,4 +202,4 @@
     {%- else %}
         {{- '<|im_start|>assistant\n<think>\n</think>\n\n' }}
     {%- endif %}
-{%- endif %}
+{%- endif %}