chat_template.jinja

        {%- if tools %}
            {{- '<|im_start|>system
' }}
            {%- if messages[0].role == 'system' %}
                {{- messages[0].content + '

' }}
            {%- else %} 
                {{- 'You are a tool-calling expert. Given a question and a set of available tools, perform one or more function calls to achieve the goal. If no tool fits, respond in natural language. If parameters are missing, ask the user. If tool results suffice, summarize and reply.' }} 
            {%- 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
' + messages[0].content + '<|im_end|>
' }}
            {%- else %} 
                {{- '<|im_start|>system
You are zindango-slm, a helpful assistant for Zindango.<|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 %}
            {%- 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 + '
' + 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 or keep_all_think or (extra_body is defined and extra_body.keep_all_think) %}
                    {%- 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
' }}
        {%- endif %}