{%- set mode = thinking_mode|default('chat') -%}
<｜begin▁of▁sentence｜>
{%- for message in messages -%}
    {%- if message['role'] == 'system' -%}
        {{- message['content'] -}}
    {%- elif message['role'] == 'user' -%}
        <｜User｜>{{- message['content'] -}}<｜Assistant｜>
        {%- if loop.last and mode == 'thinking' -%}
            <think>
        {%- else -%}
            </think>
        {%- endif -%}
    {%- elif message['role'] == 'assistant' -%}
        {%- if mode == 'thinking' and message.get('reasoning_content') -%}
            {{- message['reasoning_content'] -}}</think>
        {%- else -%}
            </think>
        {%- endif -%}
        {{- message['content'] -}}<｜end▁of▁sentence｜>
    {%- endif -%}
{%- endfor -%}
{%- if add_generation_prompt and messages[-1]['role'] != 'user' -%}
    <｜Assistant｜></think>
{%- endif -%}