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{
"chat_template": "{{ bos_token }}\n{%- if messages[0]['role'] == 'system' -%}\n {%- if messages[0]['content'] is string -%}\n {%- set first_user_prefix = messages[0]['content'] + '\\n\\n' -%}\n {%- else -%}\n {%- set first_user_prefix = messages[0]['content'][0]['text'] + '\\n\\n' -%}\n {%- endif -%}\n {%- set loop_messages = messages[1:] -%}\n{%- else -%}\n {%- set first_user_prefix = \"\" -%}\n {%- set loop_messages = messages -%}\n{%- endif -%}\n\n{%- for message in loop_messages -%}\n {%- if message['role'] in ['user', 'assistant'] -%}\n {%- if (message['role'] == 'user') != (loop.index0 % 2 == 0) -%}\n {{ raise_exception(\"Conversation roles must alternate user/assistant/user/assistant/...\") }}\n {%- endif -%}\n {%- endif -%}\n {%- if message['role'] == 'assistant' -%}\n {%- set role = \"model\" -%}\n {%- else -%}\n {%- set role = message['role'] -%}\n {%- endif -%}\n\n {%- if role == 'tool' -%}\n {{ '<tool_response>' }}\n {%- else -%}\n {{ '<start_of_turn>' + role + '\\n' + (first_user_prefix if loop.first else \"\") }}\n {%- endif -%}\n\n {%- if message['content'] is string -%}\n {{ message['content'] | trim }}\n {%- elif message['content'] is iterable -%}\n {%- for item in message['content'] -%}\n {%- if item['type'] == 'image' -%}\n {{ '<start_of_image>' }}\n {%- elif item['type'] == 'text' -%}\n {{ item['text'] | trim }}\n {%- elif item['type'] == 'tool' -%}\n {%- if 'json' in item -%}\n {{ '<tool>' + (item['json'] | trim) + '</tool>' }}\n {%- else -%}\n {{ raise_exception(\"Tool item missing 'json' field for structured tool call\") }}\n {%- endif -%}\n {%- endif -%}\n {%- endfor -%}\n {%- else -%}\n {{ raise_exception(\"Invalid content type\") }}\n {%- endif -%}\n\n {%- if role == 'tool' -%}\n {{ '</tool_response>\\n' }}\n {%- else -%}\n {{ '<end_of_turn>\\n' }}\n {%- endif -%}\n{%- endfor -%}\n{%- if add_generation_prompt -%}\n {{ '<start_of_turn>model\\n' }}\n{%- endif -%}\n"
}
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