Update chat_template.jinja

chat_template.jinja

@@ -1,26 +1,17 @@
 {#- ======== Template Parameters ========  #}
 {%- set add_generation_prompt = add_generation_prompt if add_generation_prompt is defined else true %}
 {%- set default_system_prompt = default_system_prompt if default_system_prompt is defined else true %}
-{%- set reasoning_effort = reasoning_effort if reasoning_effort is defined else "high" %}
-{%- set think_render_option = think_render_option if think_render_option is defined else "lastthink" %}
+{%- set enable_thinking = enable_thinking if enable_thinking is defined else true %}
 
 {#- ======== System Block State ========  #}
 {%- set sys_ns = namespace(is_first_block=true) -%}
 
-{#- ======== Find last user message index ========  #}
-{%- set last_user_idx = namespace(value=-1) -%}
-{%- for message in messages -%}
-    {%- if message.role == 'user' -%}
-        {%- set last_user_idx.value = loop.index0 -%}
-    {%- endif -%}
-{%- endfor -%}
-
 {#- ======== System messages renderers ========  #}
 {%- macro render_system_message(user_system_messages) %}
     {%- if default_system_prompt %}
         {%- if not sys_ns.is_first_block %}{{- "\n\n" }}{%- endif %}
         {%- set sys_ns.is_first_block = false %}
-        {{- "## Provider System Prompt\n\nYou are Solar Open 100B, a large language model trained by Upstage AI, a Korean startup. Your knowledge cutoff is 2025-07. The current date is " + strftime_now("%Y-%m-%d") + "." }}
+        {{- "## Provider System Prompt\n\nYou are Solar Open 100B, a large language model trained by Upstage AI. Your knowledge cutoff is 2025-07. The current date is 2026-01-07." }}
     {%- endif -%}
     {%- if user_system_messages %}
         {%- if not sys_ns.is_first_block %}{{- "\n\n" }}{%- endif %}
@@ -33,54 +24,23 @@
     {%- endif -%}
 {%- endmacro %}
 
-{%- macro render_tool_instruction(tools) %}
+{#- Hardcoded Minimal Thinking Instruction with Math Focus #}
+{%- macro render_thinking_instruction() %}
     {%- if not sys_ns.is_first_block %}{{- "\n\n" }}{%- endif %}
     {%- set sys_ns.is_first_block = false %}
-    {{- "## Tools\n\n### Tool Call Instruction" }}
-    {{- "\nYou may invoke one or more tools to assist with the user's query. Available tools are provided in JSON Schema format: <|tools:begin|><|tool:begin|><tools-json-object><|tool:end|>...<|tools:end|>\n" }}
-    {{- "\n### Available Tools\n" }}
-    {{- "<|tools:begin|>" }}
-    {%- for tool in tools %}
-        {{- "<|tool:begin|>" }}
-        {{- tool.function | tojson }}
-        {{- "<|tool:end|>" }}
-    {%- endfor %}
-    {{- "<|tools:end|>\n" }}
-    {{- "\n### Tool Call Format\n" }}
-    {{- "For each tool call, return a JSON object with the following structure, enclosed within <|tool_call:begin|> and <|tool_call:end|> tags: \n<|tool_call:begin|><tool-call-id><|tool_call:name|><tool-name><|tool_call:args|><args-json-object><|tool_call:end|>\n" }}
-    {{- "- The <tool-call-id> must be a randomly generated string consisting of 10 lowercase letters (a-z) and/or digits (0-9) (e.g., a1b2c3d4e5)\n" }}
-    {{- "\n### Tool Response Format\n" }}
-    {{- "Each tool is responded by `tool` with the following structure:\n<|tool_response:id|><tool-call-id><|tool_response:name|><tool-name><|tool_response:result|><results><|tool_response:end|>\n" }}
-    {{- "- Ensure the <tool-call-id> matches the corresponding tool call" -}}
+    {{- "## Thinking Guidelines\n" }}
+    {{- "You must think before answering. Keep thoughts extremely brief and focused." }}
+    {{- "\n- Verify the core intent and jump to the answer." }}
+    {{- "\n- For math problems: Break them down into simple, discrete steps. Use fractions to maintain precision where possible, and simplify expressions to their lowest terms." }}
 {%- endmacro %}
 
-{%- macro render_json_response_format_instruction(response_format) %}
+{%- macro render_tool_instruction(tools) %}
     {%- if not sys_ns.is_first_block %}{{- "\n\n" }}{%- endif %}
     {%- set sys_ns.is_first_block = false %}
-    {{- "## Output Format Constraint" }}
-    {{- "\n\nYour final response should follow the JSON schema: \n[Start of schema]" }}
-    {{- response_format }}
-    {{- "\n[End of schema]\nPlease ensure your answers adhere to this format and do not contain any unnecessary text." }}
-{%- endmacro %}
-
-{%- macro get_tool_name(messages, tool_call_id) %}
-    {%- for msg in messages -%}
-        {%- if msg.role == 'assistant' and msg.tool_calls -%}
-            {%- for tool_call in msg.tool_calls -%}
-                {%- if tool_call.id == tool_call_id -%}
-                    {{- tool_call.function.name }}
-                {%- endif -%}
-            {%- endfor -%}
-        {%- endif -%}
-    {%- endfor -%}
-{%- endmacro %}
-
-{%- macro render_tool_arguments(tool_arguments) %}
-    {%- if tool_arguments is mapping -%}
-        {{- tool_arguments | tojson }}
-    {%- else -%}
-        {{- tool_arguments }}
-    {%- endif -%}
+    {{- "## Tools Instruction\nUse the following tools if needed: " }}
+    {%- for tool in tools %}
+        {{- tool.function | tojson }}
+    {%- endfor %}
 {%- endmacro %}
 
 {#- ======== Render system message ========  #}
@@ -91,15 +51,15 @@
     {%- endif -%}
 {%- endfor -%}
 
-{%- if ns.system_messages or default_system_prompt or tools or response_format -%}
+{%- if ns.system_messages or default_system_prompt or enable_thinking -%}
     {{- "<|begin|>system<|content|>" }}
         {{- render_system_message(ns.system_messages) }}
+        {%- if enable_thinking -%}
+            {{- render_thinking_instruction() }}
+        {%- endif %}
         {%- if tools -%}
             {{- render_tool_instruction(tools) }}
         {%- endif %}
-        {%- if response_format -%}
-            {{- render_json_response_format_instruction(response_format) }}
-        {%- endif %}
     {{- "<|end|>" }}
 {%- endif -%}
 
@@ -107,50 +67,21 @@
 {%- for message in messages -%}
     {%- if message.role == 'user' -%}
          {{- "<|begin|>user<|content|>" + message.content + "<|end|>" }}
-    {%- elif message.role == 'tool' -%}
-        {%- set prev_is_tool = loop.index0 > 0 and messages[loop.index0 - 1].role == 'tool' -%}
-        {%- set next_is_tool = loop.index0 < (messages | length - 1) and messages[loop.index0 + 1].role == 'tool' -%}
-        {%- if not prev_is_tool -%}
-            {{- "<|begin|>tool<|tool_response|>" }}
-        {%- endif -%}
-        {{- "<|tool_response:begin|>" + message.tool_call_id + "<|tool_response:name|>" }}
-        {{- get_tool_name(messages, message.tool_call_id) }}
-        {{- "<|tool_response:result|>" }}
-        {{- message.content }}
-        {{- "<|tool_response:end|>" }}
-        {%- if not next_is_tool -%}
-            {{- "<|end|>" }}
-        {%- endif -%}
     {%- elif message.role == 'assistant' -%}
-        {#- ======== Assistant Thinking ========  #}
-        {%- if think_render_option == "all" -%}
-            {%- if message.reasoning -%}
-                {{- "<|begin|>assistant<|think|>" + message.reasoning + "<|end|>" }}
-            {%- endif -%}
-        {%- elif think_render_option == "lastthink" -%}
-            {%- if message.reasoning and loop.index0 > last_user_idx.value -%}
-                {{- "<|begin|>assistant<|think|>" + message.reasoning + "<|end|>" }}
-            {%- endif -%}
-        {%- endif -%}
-
-        {#- ======== Assistant Messages ========  #}
-        {%- if message.tool_calls -%}
-            {{- "<|begin|>assistant<|tool_calls|>" }}
-            {%- for tool_call in message.tool_calls -%}
-                {{- "<|tool_call:begin|>" + tool_call.id +"<|tool_call:name|>" + tool_call.function.name + "<|tool_call:args|>" }}
-                {{- render_tool_arguments(tool_call.function.arguments) }}
-                {{- "<|tool_call:end|>" }}
-            {%- endfor -%}
-            {{- "<|calls|>" }}
+        {%- if message.reasoning -%}
+             {{- "<|begin|>assistant<|think|>" + message.reasoning + "<|end|><|begin|>assistant<|content|>" + message.content + "<|end|>" }}
         {%- else -%}
-            {{- "<|begin|>assistant<|content|>" + message.content + "<|end|>" }}
+             {{- "<|begin|>assistant<|content|>" + message.content + "<|end|>" }}
         {%- endif -%}
     {%- endif -%}
 {%- endfor -%}
 
+{#- ======== Generation Prompt Logic ========  #}
 {%- if add_generation_prompt -%}
-    {%- if reasoning_effort in ["low", "minimal"] -%}
-        {{- "<|begin|>assistant<|think|><|end|>" }}
-    {%- endif -%}
     {{- "<|begin|>assistant" }}
-{%- endif -%}
+    {%- if enable_thinking -%}
+        {{- "<|think|>" }}
+    {%- else -%}
+        {{- "<|content|>" }}
+    {%- endif -%}
+{%- endif -%}