{%- macro render_content(content) -%}
    {%- if content is string -%}
        {{- content -}}
    {%- else -%}
        {%- set ns = namespace(has_audio=false, text=none) -%}
        {%- set keyword_namespace = namespace(items=[]) -%}
        {%- for item in content -%}
            {%- if item.type == 'audio' or 'audio' in item or 'audio_url' in item -%}
                {{- '<|audio_start|><|audio_pad|><|audio_end|>
' -}}
                {%- set ns.has_audio = true -%}
            {%- elif item.type == 'text' and ns.text is none -%}
                {%- set ns.text = item.text -%}
            {%- elif item.type == 'keywords' -%}
                {%- set keyword_namespace.items = keyword_namespace.items + item.keywords -%}
            {%- endif -%}
        {%- endfor -%}
        {%- if ns.has_audio -%}
            {%- if ns.text -%}
                {{- '补充信息：' + ns.text + '

' -}}
            {%- endif -%}
            {%- if keyword_namespace.items -%}
                {{- '热词列表：[' + keyword_namespace.items|join(', ') + ']

' -}}
            {%- endif -%}
            {{- '请将音频转写为文本，每一段需以起始时间戳和说话人编号（[S01]、[S02]、[S03]…）开头，正文为对应的语音内容，并在段末标注结束时间戳，以清晰标明该段语音范围。' -}}
        {%- elif ns.text -%}
            {{- ns.text -}}
        {%- endif -%}
    {%- endif -%}
{%- endmacro -%}
{%- if tools %}
    {{- '<|im_start|>system
' }}
    {%- if messages[0].role == 'system' %}
        {{- render_content(messages[0].content) + '

' }}
    {%- else %}
        {{- 'You are a helpful assistant.

' }}
    {%- endif %}
    {{- "# Tools

You may call one or more functions to assist with the user query.

You are provided with function signatures within <tools></tools> XML tags:
<tools>" }}
    {%- for tool in tools %}
        {{- "
" }}
        {{- tool | tojson }}
    {%- endfor %}
    {{- "
</tools>

For each function call, return a json object with function name and arguments within <tool_call></tool_call> XML tags:
<tool_call>
{\"name\": <function-name>, \"arguments\": <args-json-object>}
</tool_call><|im_end|>
" }}
{%- else %}
    {%- if messages[0].role == 'system' %}
        {{- '<|im_start|>system
' + render_content(messages[0].content) + '<|im_end|>
' }}
    {%- else %}
        {{- '<|im_start|>system
You are a helpful assistant.<|im_end|>
' }}
    {%- 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 %}
    {%- set content = render_content(message.content) %}
    {%- if ns.multi_step_tool and message.role == "user" and content is string and not(content.startswith('<tool_response>') and content.endswith('</tool_response>')) %}
        {%- set ns.multi_step_tool = false %}
        {%- set ns.last_query_index = index %}
    {%- endif %}
{%- endfor %}
{%- for message in messages %}
    {%- set content = render_content(message.content) %}
    {%- if (message.role == "user") or (message.role == "system" and not loop.first) %}
        {{- '<|im_start|>' + message.role + '
' + content + '<|im_end|>
' }}
    {%- 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('
').split('<think>')[-1].lstrip('
') %}
                {%- set content = content.split('</think>')[-1].lstrip('
') %}
            {%- endif %}
        {%- endif %}
        {%- if loop.index0 > ns.last_query_index %}
            {%- if loop.last or (not loop.last and reasoning_content) %}
                {{- '<|im_start|>' + message.role + '
<think>
' + reasoning_content.strip('
') + '
</think>

' + content.lstrip('
') }}
            {%- else %}
                {{- '<|im_start|>' + message.role + '
' + content }}
            {%- endif %}
        {%- else %}
            {{- '<|im_start|>' + message.role + '
' + content }}
        {%- endif %}
        {%- if message.tool_calls %}
            {%- for tool_call in message.tool_calls %}
                {%- if (loop.first and content) or (not loop.first) %}
                    {{- '
' }}
                {%- endif %}
                {%- if tool_call.function %}
                    {%- set tool_call = tool_call.function %}
                {%- endif %}
                {{- '<tool_call>
{"name": "' }}
                {{- tool_call.name }}
                {{- '", "arguments": ' }}
                {%- if tool_call.arguments is string %}
                    {{- tool_call.arguments }}
                {%- else %}
                    {{- tool_call.arguments | tojson }}
                {%- endif %}
                {{- '}
</tool_call>' }}
            {%- endfor %}
        {%- endif %}
        {{- '<|im_end|>
' }}
    {%- elif message.role == "tool" %}
        {%- if loop.first or (messages[loop.index0 - 1].role != "tool") %}
            {{- '<|im_start|>user' }}
        {%- endif %}
        {{- '
<tool_response>
' }}
        {{- content }}
        {{- '
</tool_response>' }}
        {%- if loop.last or (messages[loop.index0 + 1].role != "tool") %}
            {{- '<|im_end|>
' }}
        {%- endif %}
    {%- endif %}
{%- endfor %}
{%- if add_generation_prompt %}
    {{- '<|im_start|>assistant
' }}
    {%- if enable_thinking is defined and enable_thinking is false %}
        {{- '<think>

</think>

' }}
    {%- endif %}
{%- endif %}