Add DeepSeek-R1-0528 function call chat template (#6725)

Signed-off-by: 许文卿 <xwq391974@alibaba-inc.com>

examples/chat_template/tool_chat_template_deepseekr1.jinja

+{% if not add_generation_prompt is defined %}
+    {% set add_generation_prompt = false %}
+{% endif %}
+{% set ns = namespace(is_first=false, is_tool=false, is_output_first=true, system_prompt='', is_first_sp=true) %}
+{%- for message in messages %}
+    {%- if message['role'] == 'system' %}
+        {%- if ns.is_first_sp %}
+            {% set ns.system_prompt = ns.system_prompt + message['content'] %}
+            {% set ns.is_first_sp = false %}
+        {%- else %}
+            {% set ns.system_prompt = ns.system_prompt + '\\n\\n' + message['content'] %}
+        {%- endif %}
+    {%- endif %}
+{%- endfor %}
+
+{# --- Append tool descriptions if tools are defined --- #}
+{% if tools is defined and tools is not none %}
+    {% set tool_ns = namespace(text='You are a helpful assistant with tool calling capabilities. '
+        'When a tool call is needed, you MUST use the following format to issue the call:\n'
+        '<｜tool▁calls▁begin｜><｜tool▁call▁begin｜>function<｜tool▁sep｜>FUNCTION_NAME\n'
+        '```json\n{"param1": "value1", "param2": "value2"}\n```<｜tool▁call▁end｜><｜tool▁calls▁end｜>\n\n'
+        'Make sure the JSON is valid.'
+        '## Tools\n\n### Function\n\nYou have the following functions available:\n\n') %}
+    {% for tool in tools %}
+        {% set tool_ns.text = tool_ns.text + '- `' + tool['name'] + '`:\n```json\n' + (tool | tojson) + '\n```\n' %}
+    {% endfor %}
+    {% set ns.system_prompt = ns.system_prompt + '\n\n' + tool_ns.text %}
+{% endif %}
+
+{{ bos_token }}
+{{ ns.system_prompt }}
+{%- for message in messages %}
+    {%- if message['role'] == 'user' %}
+        {%- set ns.is_tool = false -%}
+        {{'<｜User｜>' + message['content']}}
+    {%- endif %}
+    {%- if message['role'] == 'assistant' and 'tool_calls' in message %}
+        {%- set ns.is_tool = false -%}
+        {%- for tool in message['tool_calls'] %}
+            {%- if not ns.is_first %}
+                {%- if message['content'] is none %}
+                    {{'<｜Assistant｜><｜tool▁calls▁begin｜><｜tool▁call▁begin｜>' + tool['type'] + '<｜tool▁sep｜>' + tool['function']['name'] + '\\n' + '```json' + '\\n' + tool['function']['arguments'] + '\\n' + '```' + '<｜tool▁call▁end｜>'}}
+                {%- else %}
+                    {{'<｜Assistant｜>' + message['content'] + '<｜tool▁calls▁begin｜><｜tool▁call▁begin｜>' + tool['type'] + '<｜tool▁sep｜>' + tool['function']['name'] + '\\n' + '```json' + '\\n' + tool['function']['arguments'] + '\\n' + '```' + '<｜tool▁call▁end｜>'}}
+                {%- endif %}
+                {%- set ns.is_first = true -%}
+            {%- else %}
+                {{'\\n' + '<｜tool▁call▁begin｜>' + tool['type'] + '<｜tool▁sep｜>' + tool['function']['name'] + '\\n' + '```json' + '\\n' + tool['function']['arguments'] + '\\n' + '```' + '<｜tool▁call▁end｜>'}}
+            {%- endif %}
+        {%- endfor %}
+        {{'<｜tool▁calls▁end｜><｜end▁of▁sentence｜>'}}
+    {%- endif %}
+    {%- if message['role'] == 'assistant' and 'tool_calls' not in message %}
+        {%- if ns.is_tool %}
+            {{'<｜tool▁outputs▁end｜>' + message['content'] + '<｜end▁of▁sentence｜>'}}
+            {%- set ns.is_tool = false -%}
+        {%- else %}
+            {% set content = message['content'] %}
+            {% if '</think>' in content %}
+                {% set content = content.split('</think>')[-1] %}
+            {% endif %}
+            {{'<｜Assistant｜>' + content + '<｜end▁of▁sentence｜>'}}
+        {%- endif %}
+    {%- endif %}
+    {%- if message['role'] == 'tool' %}
+        {%- set ns.is_tool = true -%}
+        {%- if ns.is_output_first %}
+            {{'<｜tool▁outputs▁begin｜><｜tool▁output▁begin｜>' + message['content'] + '<｜tool▁output▁end｜>'}}
+            {%- set ns.is_output_first = false %}
+        {%- else %}
+            {{'<｜tool▁output▁begin｜>' + message['content'] + '<｜tool▁output▁end｜>'}}
+        {%- endif %}
+    {%- endif %}
+{%- endfor -%}
+{% if ns.is_tool %}
+    {{'<｜tool▁outputs▁end｜>'}}
+{% endif %}
+{% if add_generation_prompt and not ns.is_tool %}
+    {{'<｜Assistant｜>'}}
+{% endif %}