{%- if tools %}
    {{- "<|im_start|>system\n" }}
    {%- if messages[0].role == 'system' and messages[0].content %}
        {{- messages[0].content + '\n\n' }}
    {%- endif %}
    {{- "\n# Tools\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' %}
        {%- if messages[0].get('tools') %}
            {%- if messages[0].content %}
                {{- '<|im_start|>system\n' + messages[0].content + '\n\n' }}
            {%- else %}
                {{- '<|im_start|>system\n\n' }}
            {%- endif %}
            {{- "# Tools\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 messages[0]['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 %}
            {{- '<|im_start|>system\n' + messages[0].content + '<|im_end|>\n' }}
        {%- endif %}
    {%- 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 thinking_content = '' %}
        {%- set think_tag = '' %}
        {%- if message.think is defined and message.think is string %}
            {%- set thinking_content = message.think %}
            {%- set think_tag = 'think' %}
        {%- elif message.think_fast is defined and message.think_fast is string %}
            {%- set thinking_content = message.think_fast %}
            {%- set think_tag = 'think_fast' %}
        {%- elif message.think_faster is defined and message.think_faster is string %}
            {%- set thinking_content = message.think_faster %}
            {%- set think_tag = 'think_faster' %}
        {%- else %}
            {%- if '</think>' in content %}
                {%- set thinking_content = content.split('</think>')[0].rstrip('\n').split('<think>')[-1].lstrip('\n') %}
                {%- set content = content.split('</think>')[-1].lstrip('\n') %}
                {%- set think_tag = 'think' %}
            {%- elif '</think_fast>' in content %}
                {%- set thinking_content = content.split('</think_fast>')[0].rstrip('\n').split('<think_fast>')[-1].lstrip('\n') %}
                {%- set content = content.split('</think_fast>')[-1].lstrip('\n') %}
                {%- set think_tag = 'think_fast' %}
            {%- elif '</think_faster>' in content %}
                {%- set thinking_content = content.split('</think_faster>')[0].rstrip('\n').split('<think_faster>')[-1].lstrip('\n') %}
                {%- set content = content.split('</think_faster>')[-1].lstrip('\n') %}
                {%- set think_tag = 'think_faster' %}
            {%- else %}
                {%- set thinking_content = '' %}
                {%- set think_tag = 'think_faster' %}
            {%- endif %}
        {%- endif %}
        {{- '<|im_start|>' + message.role }}
        {% generation %}
        {%- if loop.index0 > ns.last_query_index %}
            {%- if loop.last and think_tag %}
                {%- if thinking_content %}
                    {{- '<' + think_tag + '>\n' + thinking_content + '\n</' + think_tag + '>\n' + content.lstrip('\n') }}
                {%- else %}
                    {{- '<' + think_tag + '>\n</' + think_tag + '>\n' + content.lstrip('\n') }}
                {%- endif %}
            {%- else %}
                {{- content }}
            {%- endif %}
        {%- else %}
            {{- 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|>' }}
        {% endgeneration %}
    {%- elif message.role == "tool" %}
        {%- if loop.first or (messages[loop.index0 - 1].role != "tool") %}
            {{- '<|im_start|>tool\n' }}
        {%- endif %}
        {{- content }}
        {%- if loop.last or (messages[loop.index0 + 1].role != "tool") %}
            {{- '<|im_end|>\n' }}
        {%- endif %}
    {%- endif %}
{%- endfor %}
{%- if add_generation_prompt %}
    {%- set effort = reasoning_effort | default('medium') %}
    {%- if effort == 'high' %}
        {{- '<|im_start|>assistant\n<think>\n' }}
    {%- elif effort == 'medium' %}
        {{- '<|im_start|>assistant\n<think_fast>\n' }}
    {%- elif effort == 'low' %}
        {{- '<|im_start|>assistant\n<think_faster>\n' }}
    {%- else %}
        {{- '<|im_start|>assistant\n<think_fast>\n' }}
    {%- endif %}
{%- endif %}