+ {%- if tools %}{{- '<|im_start|>system\n' }}{%- if messages[0].role == 'system' %}{{- messages[0].content + '\n\n' }}{%- endif %}{{- "# Tools\n\nYou may call one or more functions to assist with the user query.\n\nYou are provided with function signatures within <tools></tools> XML tags:\n<tools>" }}{%- for tool in tools %}{{- "\n" }}{{- tool | tojson }}{%- endfor %}{{- "\n</tools>\n\nFor each function call, return a json object with function name and arguments within <tool_call></tool_call> XML tags:\n<tool_call>\n{\"name\": <function-name>, \"arguments\": <args-json-object>}\n</tool_call><|im_end|>\n" }}{%- else %}{%- if messages[0].role == 'system' %}{{- '<|im_start|>system\n' + messages[0].content + '<|im_end|>\n' }}{%- endif %}{%- endif %}{%- set ns = namespace(multi_step_tool=true, last_query_index=messages|length - 1) %}{%- for message in messages[::-1] %}{%- set index = (messages|length - 1) - loop.index0 %}{%- if ns.multi_step_tool and message.role == "user" and message.content is string and not(message.content.startswith('<tool_response>') and message.content.endswith('</tool_response>')) %}{%- set ns.multi_step_tool = false %}{%- set ns.last_query_index = index %}{%- endif %}{%- endfor %}{%- for message in messages %}{%- if message.content is string %}{%- set content = message.content %}{%- else %}{%- set content = '' %}{%- endif %}{%- if (message.role == "user") or (message.role == "system" and not loop.first) %}{{- '<|im_start|>' + message.role + '\n' + content + '<|im_end|>' + '\n' }}{%- elif 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 %}{%- if message.tool_calls %}{%- for tool_call in message.tool_calls %}{%- if (loop.first and content) or (not loop.first) %}{{- '\n' }}{%- endif %}{%- if tool_call.function %}{%- set tool_call = tool_call.function %}{%- endif %}{{- '<tool_call>\n{"name": "' }}{{- tool_call.name }}{{- '", "arguments": ' }}{%- if tool_call.arguments is string %}{{- tool_call.arguments }}{%- else %}{{- tool_call.arguments | tojson }}{%- endif %}{{- '}\n</tool_call>' }}{%- endfor %}{%- endif %}{{- '<|im_end|>\n' }}{%- elif message.role == "tool" %}{%- if loop.first or (messages[loop.index0 - 1].role != "tool") %}{{- '<|im_start|>user' }}{%- endif %}{{- '\n<tool_response>\n' }}{{- content }}{{- '\n</tool_response>' }}{%- if loop.last or (messages[loop.index0 + 1].role != "tool") %}{{- '<|im_end|>\n' }}{%- endif %}{%- endif %}{%- endfor %}{%- if add_generation_prompt %}{{- '<|im_start|>assistant\n<think>\n\n</think>\n\n' }}{%- endif %}
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