Fix DeepSeek-R1-0528 chat template (#20717)

Signed-off-by: Benjamin Merkel <benjamin.merkel@tngtech.com>
Co-authored-by: Benjamin Merkel <benjamin.merkel@tngtech.com>

Author: sfbemerk

examples/tool_chat_template_deepseekr1.jinja

@@ -11,7 +11,7 @@
             {% set ns.system_prompt = ns.system_prompt + '\n\n' + message['content'] %}
         {%- endif %}
     {%- endif %}
-{%- endfor %}
+{%- endfor -%}
 
 {#- Adapted from https://github.com/sgl-project/sglang/blob/main/examples/chat_template/tool_chat_template_deepseekr1.jinja #}
 {% if tools is defined and tools is not none %}
@@ -27,8 +27,8 @@
     {% set ns.system_prompt = ns.system_prompt + '\n\n' + tool_ns.text %}
 {% endif %}
 
-{{ bos_token }}
-{{ ns.system_prompt }}
+{{- bos_token }}
+{{- ns.system_prompt }}
 {%- for message in messages %}
     {% set content = message['content'] %}
     {%- if message['role'] == 'user' %}
@@ -45,48 +45,48 @@
     {%- if message['role'] == 'assistant' and message['tool_calls'] is defined and message['tool_calls'] is not none %}
         {%- set ns.is_last_user = false -%}
         {%- if ns.is_tool %}
-            {{'<｜tool▁outputs▁end｜>'}}
+            {{- '<｜tool▁outputs▁end｜>'}}
         {%- endif %}
         {%- set ns.is_first = false %}
         {%- set ns.is_tool = false -%}
         {%- set ns.is_output_first = true %}
         {%- for tool in message['tool_calls'] %}
             {%- if not ns.is_first %}
                 {%- if content is none %}
-                    {{'<｜tool▁calls▁begin｜><｜tool▁call▁begin｜>' + tool['type'] + '<｜tool▁sep｜>' + tool['function']['name'] + '\n' + '```json' + '\n' + tool['function']['arguments']|tojson + '\n' + '```' + '<｜tool▁call▁end｜>'}}
+                    {{- '<｜tool▁calls▁begin｜><｜tool▁call▁begin｜>' + tool['type'] + '<｜tool▁sep｜>' + tool['function']['name'] + '\n' + '```json' + '\n' + tool['function']['arguments']|tojson + '\n' + '```' + '<｜tool▁call▁end｜>'}}
                 {%- else %}
-                    {{content + '<｜tool▁calls▁begin｜><｜tool▁call▁begin｜>' + tool['type'] + '<｜tool▁sep｜>' + tool['function']['name'] + '\n' + '```json' + '\n' + tool['function']['arguments']|tojson + '\n' + '```' + '<｜tool▁call▁end｜>'}}
+                    {{- content + '<｜tool▁calls▁begin｜><｜tool▁call▁begin｜>' + tool['type'] + '<｜tool▁sep｜>' + tool['function']['name'] + '\n' + '```json' + '\n' + tool['function']['arguments']|tojson + '\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']|tojson + '\n' + '```' + '<｜tool▁call▁end｜>'}}
+                {{- '\n' + '<｜tool▁call▁begin｜>' + tool['type'] + '<｜tool▁sep｜>' + tool['function']['name'] + '\n' + '```json' + '\n' + tool['function']['arguments']|tojson + '\n' + '```' + '<｜tool▁call▁end｜>'}}
             {%- endif %}
         {%- endfor %}
-        {{'<｜tool▁calls▁end｜><｜end▁of▁sentence｜>'}}
+        {{- '<｜tool▁calls▁end｜><｜end▁of▁sentence｜>'}}
     {%- endif %}
     {%- if message['role'] == 'assistant' and (message['tool_calls'] is not defined or message['tool_calls'] is none)%}
         {%- set ns.is_last_user = false -%}
         {%- if ns.is_tool %}
-            {{'<｜tool▁outputs▁end｜>' + content + '<｜end▁of▁sentence｜>'}}
+            {{- '<｜tool▁outputs▁end｜>' + content + '<｜end▁of▁sentence｜>'}}
             {%- set ns.is_tool = false -%}
         {%- else %}
-            {{content + '<｜end▁of▁sentence｜>'}}
+            {{- content + '<｜end▁of▁sentence｜>'}}
         {%- endif %}
     {%- endif %}
     {%- if message['role'] == 'tool' %}
         {%- set ns.is_last_user = false -%}
         {%- set ns.is_tool = true -%}
         {%- if ns.is_output_first %}
-            {{'<｜tool▁outputs▁begin｜><｜tool▁output▁begin｜>' + content + '<｜tool▁output▁end｜>'}}
+            {{- '<｜tool▁outputs▁begin｜><｜tool▁output▁begin｜>' + content + '<｜tool▁output▁end｜>'}}
             {%- set ns.is_output_first = false %}
         {%- else %}
-            {{'\n<｜tool▁output▁begin｜>' + content + '<｜tool▁output▁end｜>'}}
+            {{- '\n<｜tool▁output▁begin｜>' + content + '<｜tool▁output▁end｜>'}}
         {%- endif %}
     {%- endif %}
 {%- endfor -%}
 {% if ns.is_tool %}
-    {{'<｜tool▁outputs▁end｜>'}}
-{% endif %}
+    {{- '<｜tool▁outputs▁end｜>'}}
+{%- endif %}
 {% if add_generation_prompt and not ns.is_last_user and not ns.is_tool %}
-    {{'<｜Assistant｜>'}}
-{% endif %}
+    {{- '<｜Assistant｜>'}}
+{%- endif %}