[System]
You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

[User] fetch the local docs page

[Tool]
Server status

load=0.32 mem=78% temp=64C

home & docs

[Assistant] Two pages linked from the index, plus a small load/mem/temp block. The body comes in escaped: & for &, < for <, > for >.

<｜begin▁of▁sentence｜>You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>fetch the local docs page<｜Assistant｜></think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="web_fetch">
<｜DSML｜parameter name="url" string="true">http://localhost/docs</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>

Server status

load=0.32 mem=78% temp=64C

home & docs

</tool_result><｜Assistant｜></think>Two pages linked from the index, plus a small load/mem/temp block. The body comes in escaped: & for &, < for <, > for >.<｜end▁of▁sentence｜>


[System]
You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

[User] fetch the local docs page

[Tool]
Server status

load=0.32 mem=78% temp=64C

home & docs

[Assistant] Two pages linked from the index, plus a small load/mem/temp block. The body comes in escaped: & for &, < for <, > for >.

<｜begin▁of▁sentence｜>You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>fetch the local docs page<｜Assistant｜><think>Plain fetch; the body has HTML which the renderer will escape on the way in.</think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="web_fetch">
<｜DSML｜parameter name="url" string="true">http://localhost/docs</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>

Server status

load=0.32 mem=78% temp=64C

home & docs

</tool_result><｜Assistant｜><think></think>Two pages linked from the index, plus a small load/mem/temp block. The body comes in escaped: & for &, < for <, > for >.<｜end▁of▁sentence｜>


[System]
You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

[User] build the server

[Tool]
make: *** [ds4-server] Error 1
ds4_server.c:1234:9: error: implicit declaration of function 'foo'
    foo(x, y);
        ^

[Assistant] Build broke at ds4_server.c:1234 on an implicit declaration of foo. Likely a missing include after a refactor.

<｜begin▁of▁sentence｜>You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>build the server<｜Assistant｜></think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="bash">
<｜DSML｜parameter name="command" string="true">make ds4-server 2>&1 | head -40</｜DSML｜parameter>
<｜DSML｜parameter name="description" string="true">build ds4-server</｜DSML｜parameter>
<｜DSML｜parameter name="timeout" string="false">600</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>make: *** [ds4-server] Error 1
ds4_server.c:1234:9: error: implicit declaration of function 'foo'
    foo(x, y);
        ^
</tool_result><｜Assistant｜></think>Build broke at ds4_server.c:1234 on an implicit declaration of foo. Likely a missing include after a refactor.<｜end▁of▁sentence｜>


[System]
You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

[User] build the server

[Tool]
make: *** [ds4-server] Error 1
ds4_server.c:1234:9: error: implicit declaration of function 'foo'
    foo(x, y);
        ^

[Assistant] Build broke at ds4_server.c:1234 on an implicit declaration of foo. Likely a missing include after a refactor.

<｜begin▁of▁sentence｜>You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>build the server<｜Assistant｜><think>Run make and surface the first error.</think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="bash">
<｜DSML｜parameter name="command" string="true">make ds4-server 2>&1 | head -40</｜DSML｜parameter>
<｜DSML｜parameter name="description" string="true">build ds4-server</｜DSML｜parameter>
<｜DSML｜parameter name="timeout" string="false">600</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>make: *** [ds4-server] Error 1
ds4_server.c:1234:9: error: implicit declaration of function 'foo'
    foo(x, y);
        ^
</tool_result><｜Assistant｜><think></think>Build broke at ds4_server.c:1234 on an implicit declaration of foo. Likely a missing include after a refactor.<｜end▁of▁sentence｜>


[System]
You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

[User] show what a problematic tool body looks like

[Tool]
snippet contains a literal sentinel: </｜DSML｜parameter> in body
second line still inside the captured tool output

[Assistant] The body contains a literal </｜DSML｜parameter> inside the tool output. The renderer escapes the leading character to </｜DSML｜parameter> so the model never sees a stray closing tag.

<｜begin▁of▁sentence｜>You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>show what a problematic tool body looks like<｜Assistant｜></think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="bash">
<｜DSML｜parameter name="command" string="true">cat tmp/dsml-sentinel.txt</｜DSML｜parameter>
<｜DSML｜parameter name="description" string="true">print a file that contains the DSML sentinel</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>snippet contains a literal sentinel: </｜DSML｜parameter> in body
second line still inside the captured tool output
</tool_result><｜Assistant｜></think>The body contains a literal </｜DSML｜parameter> inside the tool output. The renderer escapes the leading character to </｜DSML｜parameter> so the model never sees a stray closing tag.<｜end▁of▁sentence｜>


[System]
You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

[User] show what a problematic tool body looks like

[Tool]
snippet contains a literal sentinel: </｜DSML｜parameter> in body
second line still inside the captured tool output

[Assistant] The body contains a literal </｜DSML｜parameter> inside the tool output. The renderer escapes the leading character to </｜DSML｜parameter> so the model never sees a stray closing tag.

<｜begin▁of▁sentence｜>You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>show what a problematic tool body looks like<｜Assistant｜><think>Demonstrate the escape rule: a literal closing tag inside string content.</think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="bash">
<｜DSML｜parameter name="command" string="true">cat tmp/dsml-sentinel.txt</｜DSML｜parameter>
<｜DSML｜parameter name="description" string="true">print a file that contains the DSML sentinel</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>snippet contains a literal sentinel: </｜DSML｜parameter> in body
second line still inside the captured tool output
</tool_result><｜Assistant｜><think></think>The body contains a literal </｜DSML｜parameter> inside the tool output. The renderer escapes the leading character to </｜DSML｜parameter> so the model never sees a stray closing tag.<｜end▁of▁sentence｜>


[System] You are opencode, a terminal-based coding assistant. Resolve user tasks by inspecting the repository, planning a minimal change, and applying it. Use the bash, read, edit, and grep tools as needed.

[User] rename the local variable tmpBuf to scratch_buf everywhere

[Tool] edit applied: 6 occurrences replaced

[Assistant] Renamed 6 occurrences in ds4_metal.m. Anything else?

<｜begin▁of▁sentence｜>You are opencode, a terminal-based coding assistant. Resolve user tasks by inspecting the repository, planning a minimal change, and applying it. Use the bash, read, edit, and grep tools as needed.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>rename the local variable tmpBuf to scratch_buf everywhere<｜Assistant｜></think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="edit">
<｜DSML｜parameter name="path" string="true">ds4_metal.m</｜DSML｜parameter>
<｜DSML｜parameter name="old_string" string="true">tmpBuf</｜DSML｜parameter>
<｜DSML｜parameter name="new_string" string="true">scratch_buf</｜DSML｜parameter>
<｜DSML｜parameter name="replace_all" string="false">true</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>edit applied: 6 occurrences replaced
</tool_result><｜Assistant｜></think>Renamed 6 occurrences in ds4_metal.m. Anything else?<｜end▁of▁sentence｜>


[System] You are opencode, a terminal-based coding assistant. Resolve user tasks by inspecting the repository, planning a minimal change, and applying it. Use the bash, read, edit, and grep tools as needed.

[User] rename the local variable tmpBuf to scratch_buf everywhere

[Tool] edit applied: 6 occurrences replaced

[Assistant] Renamed 6 occurrences in ds4_metal.m. Anything else?

<｜begin▁of▁sentence｜>You are opencode, a terminal-based coding assistant. Resolve user tasks by inspecting the repository, planning a minimal change, and applying it. Use the bash, read, edit, and grep tools as needed.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>rename the local variable tmpBuf to scratch_buf everywhere<｜Assistant｜><think>replace_all is safe here since the identifier is local-only.</think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="edit">
<｜DSML｜parameter name="path" string="true">ds4_metal.m</｜DSML｜parameter>
<｜DSML｜parameter name="old_string" string="true">tmpBuf</｜DSML｜parameter>
<｜DSML｜parameter name="new_string" string="true">scratch_buf</｜DSML｜parameter>
<｜DSML｜parameter name="replace_all" string="false">true</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>edit applied: 6 occurrences replaced
</tool_result><｜Assistant｜><think></think>Renamed 6 occurrences in ds4_metal.m. Anything else?<｜end▁of▁sentence｜>


[System]
You are an interactive CLI tool that helps users with software engineering tasks. Use the instructions below and the tools available to you to assist the user.

IMPORTANT: Refuse to write malicious code.
IMPORTANT: Before you begin work, think about what the code you are editing is supposed to do based on the filenames and directory structure.

[User] change the prefill chunk size from 2048 to 4096

[Tool]
edit failed: old_string not found in path=ds4_server.c
(line_number not supplied; 3 candidate locations matched on partial)

[Tool]
1: #include "ds4.h"
2: #include "rax.h"
...

[Assistant] I need the actual line. Will re-scan with grep -n before editing.

<｜begin▁of▁sentence｜>You are an interactive CLI tool that helps users with software engineering tasks. Use the instructions below and the tools available to you to assist the user.

IMPORTANT: Refuse to write malicious code.
IMPORTANT: Before you begin work, think about what the code you are editing is supposed to do based on the filenames and directory structure.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>change the prefill chunk size from 2048 to 4096<｜Assistant｜></think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="edit">
<｜DSML｜parameter name="path" string="true">ds4_server.c</｜DSML｜parameter>
<｜DSML｜parameter name="old_string" string="true">prefill_chunk=2048</｜DSML｜parameter>
<｜DSML｜parameter name="new_string" string="true">prefill_chunk=4096</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>edit failed: old_string not found in path=ds4_server.c
(line_number not supplied; 3 candidate locations matched on partial)
</tool_result><｜Assistant｜></think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="read_file">
<｜DSML｜parameter name="path" string="true">ds4_server.c</｜DSML｜parameter>
<｜DSML｜parameter name="start" string="false">1</｜DSML｜parameter>
<｜DSML｜parameter name="lines" string="false">40</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>1: #include "ds4.h"
2: #include "rax.h"
...</tool_result><｜Assistant｜></think>I need the actual line. Will re-scan with grep -n before editing.<｜end▁of▁sentence｜>


[System]
You are an interactive CLI tool that helps users with software engineering tasks. Use the instructions below and the tools available to you to assist the user.

IMPORTANT: Refuse to write malicious code.
IMPORTANT: Before you begin work, think about what the code you are editing is supposed to do based on the filenames and directory structure.

[User] change the prefill chunk size from 2048 to 4096

[Tool]
edit failed: old_string not found in path=ds4_server.c
(line_number not supplied; 3 candidate locations matched on partial)

[Tool]
1: #include "ds4.h"
2: #include "rax.h"
...

[Assistant] I need the actual line. Will re-scan with grep -n before editing.

<｜begin▁of▁sentence｜>You are an interactive CLI tool that helps users with software engineering tasks. Use the instructions below and the tools available to you to assist the user.

IMPORTANT: Refuse to write malicious code.
IMPORTANT: Before you begin work, think about what the code you are editing is supposed to do based on the filenames and directory structure.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>change the prefill chunk size from 2048 to 4096<｜Assistant｜><think>The constant likely appears more than once. Try a direct edit, fall back to line_number on failure.</think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="edit">
<｜DSML｜parameter name="path" string="true">ds4_server.c</｜DSML｜parameter>
<｜DSML｜parameter name="old_string" string="true">prefill_chunk=2048</｜DSML｜parameter>
<｜DSML｜parameter name="new_string" string="true">prefill_chunk=4096</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>edit failed: old_string not found in path=ds4_server.c
(line_number not supplied; 3 candidate locations matched on partial)
</tool_result><｜Assistant｜><think>Multiple matches. Use read_file then line_number-scoped edit.</think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="read_file">
<｜DSML｜parameter name="path" string="true">ds4_server.c</｜DSML｜parameter>
<｜DSML｜parameter name="start" string="false">1</｜DSML｜parameter>
<｜DSML｜parameter name="lines" string="false">40</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>1: #include "ds4.h"
2: #include "rax.h"
...</tool_result><｜Assistant｜><think></think>I need the actual line. Will re-scan with grep -n before editing.<｜end▁of▁sentence｜>


[System]
You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

[User] change the prefill chunk size from 2048 to 4096

[Tool]
edit failed: old_string not found in path=ds4_server.c
(line_number not supplied; 3 candidate locations matched on partial)

[Tool]
1: #include "ds4.h"
2: #include "rax.h"
...

[Assistant] I need the actual line. Will re-scan with grep -n before editing.

<｜begin▁of▁sentence｜>You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>change the prefill chunk size from 2048 to 4096<｜Assistant｜></think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="edit">
<｜DSML｜parameter name="path" string="true">ds4_server.c</｜DSML｜parameter>
<｜DSML｜parameter name="old_string" string="true">prefill_chunk=2048</｜DSML｜parameter>
<｜DSML｜parameter name="new_string" string="true">prefill_chunk=4096</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>edit failed: old_string not found in path=ds4_server.c
(line_number not supplied; 3 candidate locations matched on partial)
</tool_result><｜Assistant｜></think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="read_file">
<｜DSML｜parameter name="path" string="true">ds4_server.c</｜DSML｜parameter>
<｜DSML｜parameter name="start" string="false">1</｜DSML｜parameter>
<｜DSML｜parameter name="lines" string="false">40</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>1: #include "ds4.h"
2: #include "rax.h"
...</tool_result><｜Assistant｜></think>I need the actual line. Will re-scan with grep -n before editing.<｜end▁of▁sentence｜>


[System]
You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

[User] change the prefill chunk size from 2048 to 4096

[Tool]
edit failed: old_string not found in path=ds4_server.c
(line_number not supplied; 3 candidate locations matched on partial)

[Tool]
1: #include "ds4.h"
2: #include "rax.h"
...

[Assistant] I need the actual line. Will re-scan with grep -n before editing.

<｜begin▁of▁sentence｜>You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>change the prefill chunk size from 2048 to 4096<｜Assistant｜><think>The constant likely appears more than once. Try a direct edit, fall back to line_number on failure.</think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="edit">
<｜DSML｜parameter name="path" string="true">ds4_server.c</｜DSML｜parameter>
<｜DSML｜parameter name="old_string" string="true">prefill_chunk=2048</｜DSML｜parameter>
<｜DSML｜parameter name="new_string" string="true">prefill_chunk=4096</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>edit failed: old_string not found in path=ds4_server.c
(line_number not supplied; 3 candidate locations matched on partial)
</tool_result><｜Assistant｜><think>Multiple matches. Use read_file then line_number-scoped edit.</think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="read_file">
<｜DSML｜parameter name="path" string="true">ds4_server.c</｜DSML｜parameter>
<｜DSML｜parameter name="start" string="false">1</｜DSML｜parameter>
<｜DSML｜parameter name="lines" string="false">40</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>1: #include "ds4.h"
2: #include "rax.h"
...</tool_result><｜Assistant｜><think></think>I need the actual line. Will re-scan with grep -n before editing.<｜end▁of▁sentence｜>


[System] Sei un assistente di programmazione che opera in un repository locale. Usa gli strumenti per ispezionare i file e applicare modifiche. Rispondi in italiano. Sii conciso.

[User] qual e la differenza tra prefill e decode?

[Assistant] Il prefill elabora i token del prompt in matmul batch per riempire la KV cache; il decode procede un token alla volta usando lo stato cachato. Il prefill e limitato dalla banda di memoria sui prompt lunghi; il decode dal costo per token dell'attenzione e del routing MoE.

<｜begin▁of▁sentence｜>Sei un assistente di programmazione che opera in un repository locale. Usa gli strumenti per ispezionare i file e applicare modifiche. Rispondi in italiano. Sii conciso.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>qual e la differenza tra prefill e decode?<｜Assistant｜></think>Il prefill elabora i token del prompt in matmul batch per riempire la KV cache; il decode procede un token alla volta usando lo stato cachato. Il prefill e limitato dalla banda di memoria sui prompt lunghi; il decode dal costo per token dell'attenzione e del routing MoE.<｜end▁of▁sentence｜>


[System] Sei un assistente di programmazione che opera in un repository locale. Usa gli strumenti per ispezionare i file e applicare modifiche. Rispondi in italiano. Sii conciso.

[User] qual e la differenza tra prefill e decode?

[Assistant] Il prefill elabora i token del prompt in matmul batch per riempire la KV cache; il decode procede un token alla volta usando lo stato cachato. Il prefill e limitato dalla banda di memoria sui prompt lunghi; il decode dal costo per token dell'attenzione e del routing MoE.

<｜begin▁of▁sentence｜>Sei un assistente di programmazione che opera in un repository locale. Usa gli strumenti per ispezionare i file e applicare modifiche. Rispondi in italiano. Sii conciso.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>qual e la differenza tra prefill e decode?<｜Assistant｜><think></think>Il prefill elabora i token del prompt in matmul batch per riempire la KV cache; il decode procede un token alla volta usando lo stato cachato. Il prefill e limitato dalla banda di memoria sui prompt lunghi; il decode dal costo per token dell'attenzione e del routing MoE.<｜end▁of▁sentence｜>


[System]
You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

[User] what is the difference between prefill and decode?

[Assistant] Prefill processes the prompt tokens in batched matmuls to fill the KV cache; decode then runs one token at a time using the cached state. Prefill is bandwidth-bound on large prompts; decode is dominated by per-token attention scan plus MoE routing.

<｜begin▁of▁sentence｜>You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>what is the difference between prefill and decode?<｜Assistant｜></think>Prefill processes the prompt tokens in batched matmuls to fill the KV cache; decode then runs one token at a time using the cached state. Prefill is bandwidth-bound on large prompts; decode is dominated by per-token attention scan plus MoE routing.<｜end▁of▁sentence｜>


[System]
You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

[User] what is the difference between prefill and decode?

[Assistant] Prefill processes the prompt tokens in batched matmuls to fill the KV cache; decode then runs one token at a time using the cached state. Prefill is bandwidth-bound on large prompts; decode is dominated by per-token attention scan plus MoE routing.

<｜begin▁of▁sentence｜>You are Swival, a coding agent with a friendly, human-like personality. You solve tasks autonomously using the tools provided, taking the optimal decisions at every step. Keep going until the task is fully complete. Do not call tools for simple math, greetings, or unclear standalone questions. For minor ambiguity, pick the most likely intent and briefly state your choice.

## Workflow

- Use tools only when needed; answer plain questions directly.
- Explore before editing: outline, list_files, grep, then read_file.
- Use think before multi-step coding tasks, debugging, choosing alternatives, and editing code.
- Use todo for multi-step work and mark items done as you finish.
- One logical change at a time. Do not re-read files after editing.
- On tool errors, use think to diagnose before retrying.

## Editing

- Copy old_string verbatim from read_file.
- For multiple matches, pass line_number. Use replace_all only when every occurrence should change.

## Safety

- Never print secrets to the console.
- Do not take any action that could degrade the workspace.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>what is the difference between prefill and decode?<｜Assistant｜><think></think>Prefill processes the prompt tokens in batched matmuls to fill the KV cache; decode then runs one token at a time using the cached state. Prefill is bandwidth-bound on large prompts; decode is dominated by per-token attention scan plus MoE routing.<｜end▁of▁sentence｜>


[System] You are opencode, a terminal-based coding assistant. Resolve user tasks by inspecting the repository, planning a minimal change, and applying it. Use the bash, read, edit, and grep tools as needed.

[User] where is the Makefile target for tests defined?

[Tool]
all: ds4 ds4-server ds4-bench

ds4-server: ds4_server.o rax.o $(CORE_OBJS)
...

[Assistant] There is no 'test' phony target. Tests are built ad hoc per Makefile. We can add one if you want.

<｜begin▁of▁sentence｜>You are opencode, a terminal-based coding assistant. Resolve user tasks by inspecting the repository, planning a minimal change, and applying it. Use the bash, read, edit, and grep tools as needed.

## Tools

You have access to a set of tools to help answer the user question. You can invoke tools by writing a "<｜DSML｜tool_calls>" block like the following:

<｜DSML｜tool_calls>
<｜DSML｜invoke name="$TOOL_NAME">
<｜DSML｜parameter name="$PARAMETER_NAME" string="true|false">$PARAMETER_VALUE</｜DSML｜parameter>
...
</｜DSML｜invoke>
<｜DSML｜invoke name="$TOOL_NAME2">
...
</｜DSML｜invoke>
</｜DSML｜tool_calls>

String parameters should be specified as raw text and set `string="true"`. Preserve characters such as `>`, `&`, and `&&` exactly; never replace normal string characters with XML or HTML entity escapes. Only if a string value itself contains the exact closing parameter tag `</｜DSML｜parameter>`, write that tag as `</｜DSML｜parameter>` inside the value. For all other types (numbers, booleans, arrays, objects), pass the value in JSON format and set `string="false"`.

If thinking_mode is enabled (triggered by <think>), you MUST output your complete reasoning inside <think>...</think> BEFORE any tool calls or final response.

Otherwise, output directly after </think> with tool calls or final response.

### Available Tool Schemas

{"name":"bash","description":"Run a shell command in the workspace.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The command line to execute."},"description":{"type":"string","description":"Short description of intent."},"timeout":{"type":"integer","description":"Timeout in seconds.","default":30}},"required":["command"]}}
{"name":"read_file","description":"Read a region of a file from the workspace.","parameters":{"type":"object","properties":{"path":{"type":"string"},"start":{"type":"integer","default":1},"lines":{"type":"integer","default":200}},"required":["path"]}}
{"name":"grep","description":"Search files for a regex pattern.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"path":{"type":"string","default":"."},"glob":{"type":"string","description":"Filename glob filter."},"ignore_case":{"type":"boolean","default":false}},"required":["pattern"]}}
{"name":"list_files","description":"List files matching a glob pattern, depth-limited.","parameters":{"type":"object","properties":{"pattern":{"type":"string"},"max_depth":{"type":"integer","default":3}},"required":["pattern"]}}
{"name":"edit","description":"Apply a small old/new text edit to a file.","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_string":{"type":"string"},"new_string":{"type":"string"},"line_number":{"type":"integer","description":"Disambiguate when old_string occurs more than once."},"replace_all":{"type":"boolean","default":false}},"required":["path","old_string","new_string"]}}
{"name":"web_fetch","description":"Fetch a URL and return the body as text.","parameters":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"timeout":{"type":"integer","default":20},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"required":["url"]}}

You MUST strictly follow the above defined tool name and parameter schemas to invoke tool calls. Use the exact parameter names from the schemas.<｜User｜>where is the Makefile target for tests defined?<｜Assistant｜></think>

<｜DSML｜tool_calls>
<｜DSML｜invoke name="read_file">
<｜DSML｜parameter name="path" string="true">Makefile</｜DSML｜parameter>
<｜DSML｜parameter name="start" string="false">1</｜DSML｜parameter>
<｜DSML｜parameter name="lines" string="false">120</｜DSML｜parameter>
</｜DSML｜invoke>
</｜DSML｜tool_calls><｜end▁of▁sentence｜><｜User｜><tool_result>all: ds4 ds4-server ds4-bench

ds4-server: ds4_server.o rax.o $(CORE_OBJS)
...</tool_result><｜Assistant｜></think>There is no 'test' phony target. Tests are built ad hoc per Makefile. We can add one if you want.<｜end▁of▁sentence｜>