{%- if messages[0]['role'] != 'system' %}{{- '<|im_start|>system
You are a helpful assistant.<|im_end|>
' }}{%- endif %}{%- set ns = namespace(last_query_index=messages|length - 1) %}{%- for message in messages %}{%- if message.role == "user" %}{%- set ns.last_query_index = loop.index0 %}{%- endif %}{%- endfor %}{%- for message in messages %}{%- if message.content is string %}{%- set content = message.content %}{%- else %}{%- set content = '' %}{%- endif %}{%- if message.role == "assistant" %}{%- set reasoning_content = '' %}{%- if message.reasoning_content is string %}{%- set reasoning_content = message.reasoning_content %}{%- else %}{%- if '</think>' in content %}{%- set reasoning_content = content.split('</think>')[0].rstrip('\n').split('<think>')[-1].lstrip('\n') %}{%- set content = content.split('</think>')[-1].lstrip('\n') %}{%- endif %}{%- endif %}{%- if loop.index0 > ns.last_query_index %}{%- if loop.last or (not loop.last and reasoning_content) %}{{- '<|im_start|>' + message.role + '\n<think>\n' + reasoning_content.strip('\n') + '\n</think>\n\n' + content.lstrip('\n') }}{%- else %}{{- '<|im_start|>' + message.role + '\n' + content }}{%- endif %}{%- else %}{{- '<|im_start|>' + message.role + '\n' + content }}{%- endif %}{{- '<|im_end|>\n' }}{%- else %}{{- '<|im_start|>' + message.role + '\n' + content + '<|im_end|>\n' }}{%- endif %}{%- endfor %}{%- if add_generation_prompt %}{{- '<|im_start|>assistant\n' }}{%- if enable_thinking is defined and enable_thinking is false %}{{- '<think>\n\n</think>\n\n' }}{%- endif %}{%- endif %}