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Merged
Hrt-Htk merged 1 commit into from
Aug 27, 2026
Merged

feat(models): Nail 35B-A3B at 262k with CPU vision; trim roster; acceptance harness #19

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5 changes: 5 additions & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -55,3 +55,8 @@ env/
# Pi agent files
.pi/
_task.md
_pi_tasks/

# Generated test artifacts (harness output; regenerated per run)
tests/_assets/
tests/acceptance-results/
340 changes: 340 additions & 0 deletions chat_template_sharp.jinja
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@@ -0,0 +1,340 @@
{%- set template_version = "qwen3.6-froggeric-v21.3" %}
{%- set _tool_format = tool_call_format if tool_call_format is defined else 'xml' %}
{%- set image_count = namespace(value=0) %}
{%- set video_count = namespace(value=0) %}
{%- set add_vision_id = add_vision_id if add_vision_id is defined else false %}
{%- set enable_thinking = enable_thinking if enable_thinking is defined else true %}
{%- set auto_disable_thinking_with_tools = auto_disable_thinking_with_tools if auto_disable_thinking_with_tools is defined else false %}
{%- set _preserve_thinking = preserve_thinking if preserve_thinking is defined else true %}
{%- set max_tool_arg_chars = max_tool_arg_chars if max_tool_arg_chars is defined else 0 %}
{%- set max_tool_response_chars = max_tool_response_chars if max_tool_response_chars is defined else 0 %}
{%- set _has_tools = (tools is defined and tools and tools is iterable and tools is not mapping) %}
{%- set ns_state = namespace(thinking=enable_thinking) %}
{%- if auto_disable_thinking_with_tools and _has_tools %}
{%- set ns_state.thinking = false %}
{%- endif %}
{%- macro render_content(content, do_vision_count, is_system_content=false) %}
{%- if content is string %}
{{- content }}
{%- elif content is iterable and content is not mapping %}
{%- for item in content %}
{%- if item is mapping %}
{%- if item.type == 'image' or 'image' in item or 'image_url' in item %}
{%- if is_system_content %}
{{- raise_exception('System message cannot contain images.') }}
{%- endif %}
{%- if do_vision_count %}
{%- set image_count.value = image_count.value + 1 %}
{%- endif %}
{%- if add_vision_id %}
{{- 'Picture ' ~ image_count.value ~ ': ' }}
{%- endif %}
{{- '<|vision_start|><|image_pad|><|vision_end|>' }}
{%- elif item.type == 'video' or 'video' in item %}
{%- if is_system_content %}
{{- raise_exception('System message cannot contain videos.') }}
{%- endif %}
{%- if do_vision_count %}
{%- set video_count.value = video_count.value + 1 %}
{%- endif %}
{%- if add_vision_id %}
{{- 'Video ' ~ video_count.value ~ ': ' }}
{%- endif %}
{{- '<|vision_start|><|video_pad|><|vision_end|>' }}
{%- elif 'text' in item %}
{{- item.text }}
{%- else %}
{{- raise_exception('Unexpected item type in content.') }}
{%- endif %}
{%- else %}
{{- item | string }}
{%- endif %}
{%- endfor %}
{%- elif content is none or content is undefined %}
{{- '' }}
{%- else %}
{{- raise_exception('Unexpected content type.') }}
{%- endif %}
{%- endmacro %}
{%- if not messages %}
{{- raise_exception('No messages provided.') }}
{%- endif %}
{%- set _first_role = messages[0].role %}
{%- if _first_role == 'system' or _first_role == 'developer' %}
{%- set _sys_msg = messages[0] %}
{%- set _msgs = messages[1:] %}
{%- else %}
{%- set _sys_msg = none %}
{%- set _msgs = messages %}
{%- endif %}
{%- set _sc = '' %}
{%- if _sys_msg is not none %}
{%- set _sc = render_content(_sys_msg.content, false, true) | trim %}
{%- if '<|think_off|>' in _sc %}
{%- set ns_state.thinking = false %}
{%- set _sc = _sc.split('<|think_off|>') | join('') | trim %}
{%- elif '<|think_on|>' in _sc %}
{%- set ns_state.thinking = true %}
{%- set _sc = _sc.split('<|think_on|>') | join('') | trim %}
{%- endif %}
{%- endif %}
{%- set _terse %}
Answer directly, after thinking. Lead with the answer, then only what it needs to be correct and usable.
Never: open with preamble or pleasantries; restate the question; add filler transitions; hedge with niceties; or repeat a point you've already made.
Always: keep essential steps, caveats, uncertainties, and specifics — never drop correctness or a needed warning for brevity. Keep the final answer lean. Use the least structure that conveys it (plain prose when short; lists or code only when they earn their place). If genuinely uncertain, say so and explain why — never omit uncertainty for the sake of brevity.
If a user request is genuinely ambiguous, ask a sharp question, don't guess.
{%- endset %}
{%- if not _sc %}
{%- set _sc = _terse | trim %}
{%- else %}
{%- set _sc = (_sc | trim) ~ '\n\n' ~ (_terse | trim) %}
{%- endif %}
{%- if _has_tools %}
{{- '<|im_start|>system\n' }}
{{- '# Tools\n\nYou have access to the following functions:\n\n<tools>' }}
{%- for tool in tools %}
{{- '\n' }}
{{- tool | tojson }}
{%- endfor %}
{{- '\n</tools>' }}
{%- set tool_instructions %}
If you choose to call a function ONLY reply in the following format with NO suffix:

{%- if _tool_format == 'json' %}
<think>
Brief explanation of tool call
</think>
<tool_call>
{"name": "example_function_name", "arguments": {"example_parameter_1": "value_1", "example_parameter_2": "This is the value for the second parameter"}}
</tool_call>
{%- else %}
<think>
Brief explanation of tool call
</think>
<tool_call>
<function=example_function_name>
<parameter=example_parameter_1>
value_1
</parameter>
<parameter=example_parameter_2>
This is the value for the second parameter
that can span
multiple lines
</parameter>
</function>
</tool_call>
{%- endif %}

<IMPORTANT>
Reminder:
- You can use the <think></think> block to plan your next tool call OR to synthesize data and formulate your final response to the user.
- ALL explanation and reasoning MUST be placed strictly inside the <think></think> block.
{%- if _tool_format == 'json' %}
- Function calls MUST follow the specified format: a single JSON object with "name" and "arguments" keys inside <tool_call></tool_call> XML tags.
{%- else %}
- Function calls MUST follow the specified format: an inner <function=...></function> block must be nested within <tool_call></tool_call> XML tags.
{%- endif %}
- If you choose to call a tool, you MUST output the <tool_call> block IMMEDIATELY after thinking, with NO conversational text before it.
{%- if _tool_format == 'json' %}
- The <tool_call> tag MUST be at the very beginning of a new line, with NO spaces or indentation before it.
{%- else %}
- The <tool_call> and <function> tags MUST be at the very beginning of a new line, with NO spaces or indentation before them.
{%- endif %}
- To call multiple functions, output a separate, completely closed <tool_call></tool_call> block for EACH function. Do NOT nest <tool_call> blocks.
- If you have all necessary data, provide your final answer directly to the user without any tool call.
</IMPORTANT>
{%- endset %}
{{- '\n\n' ~ tool_instructions | trim }}
{%- if _sc %}
{{- '\n\n' + _sc }}
{%- endif %}
{{- '<|im_end|>\n' }}
{%- else %}
{%- if _sc %}
{{- '<|im_start|>system\n' + _sc + '<|im_end|>\n' }}
{%- endif %}
{%- endif %}
{%- set _last_idx = _msgs | length - 1 %}
{%- set ns = namespace(multi_step_tool=true, last_query_index=_last_idx) %}
{%- for message in _msgs[::-1] %}
{%- set index = (_msgs | length - 1) - loop.index0 %}
{%- if ns.multi_step_tool and message.role == 'user' %}
{%- set _rc = render_content(message.content, false) | trim %}
{%- if not (_rc.startswith('<tool_response>') and _rc.endswith('</tool_response>')) %}
{%- set ns.multi_step_tool = false %}
{%- set ns.last_query_index = index %}
{%- endif %}
{%- endif %}
{%- endfor %}
{%- if ns.multi_step_tool %}
{%- if _last_idx > 50 %}
{%- set ns.last_query_index = _last_idx %}
{%- else %}
{%- set ns.last_query_index = 0 %}
{%- endif %}
{%- endif %}
{%- set ns2 = namespace(prev_role='', consecutive_failures=0) %}
{%- for message in _msgs %}
{%- set is_system = (message.role == "system" or message.role == "developer") %}
{%- set content = render_content(message.content, true, is_system) | trim %}
{%- if is_system or message.role == 'user' %}
{%- if '<|think_off|>' in content %}
{%- set ns_state.thinking = false %}
{%- set content = content.split('<|think_off|>') | join('') | trim %}
{%- elif '<|think_on|>' in content %}
{%- set ns_state.thinking = true %}
{%- set content = content.split('<|think_on|>') | join('') | trim %}
{%- endif %}
{%- endif %}
{%- if is_system %}
{{- '<|im_start|>system\n' + content + '<|im_end|>\n' }}
{%- elif message.role == 'user' %}
{%- set ns2.consecutive_failures = 0 %}
{{- '<|im_start|>user\n' + content + '<|im_end|>\n' }}
{%- elif message.role == 'assistant' %}
{%- set reasoning_content = '' %}
{%- if message.reasoning_content is defined and message.reasoning_content is not none %}
{%- if message.reasoning_content is string %}
{%- set reasoning_content = message.reasoning_content %}
{%- else %}
{%- set reasoning_content = message.reasoning_content | string %}
{%- endif %}
{%- elif message.thinking is defined and message.thinking is not none %}
{%- if message.thinking is string %}
{%- set reasoning_content = message.thinking %}
{%- else %}
{%- set reasoning_content = message.thinking | string %}
{%- endif %}
{%- else %}
{%- set _think_end = '' %}
{%- if content.startswith('</think>') %}
{%- set _think_end = '</think>' %}
{%- elif content.startswith('</thinking>') %}
{%- set _think_end = '</thinking>' %}
{%- elif '\n</think>' in content %}
{%- set _think_end = '\n</think>' %}
{%- elif '\n</thinking>' in content %}
{%- set _think_end = '\n</thinking>' %}
{%- elif '\n</ think>' in content %}
{%- set _think_end = '\n</ think>' %}
{%- elif '\n</think >' in content %}
{%- set _think_end = '\n</think >' %}
{%- endif %}
{%- if _think_end %}
{%- if 'thinking' in _think_end %}
{%- set _think_start = '<thinking>' %}
{%- else %}
{%- set _think_start = '<think>' %}
{%- endif %}
{%- set reasoning_content = content.split(_think_end)[0].rstrip('\n') %}
{%- if _think_start in reasoning_content %}
{%- set reasoning_content = reasoning_content.split(_think_start)[-1].lstrip('\n') %}
{%- endif %}
{%- set content = content.split(_think_end)[-1].lstrip('\n') %}
{%- endif %}
{%- endif %}
{%- set reasoning_content = reasoning_content | trim %}
{%- if (_preserve_thinking or loop.index0 > ns.last_query_index) and reasoning_content %}
{{- '<|im_start|>assistant\n<think>\n' + reasoning_content + '\n</think>\n\n' + content }}
{%- else %}
{{- '<|im_start|>assistant\n' + content }}
{%- endif %}
{%- if message.tool_calls is defined and message.tool_calls and message.tool_calls is iterable and message.tool_calls is not mapping %}
{%- for tool_call in message.tool_calls %}
{%- if tool_call.function is defined and tool_call.function is not none %}
{%- set tc = tool_call.function %}
{%- else %}
{%- set tc = tool_call %}
{%- endif %}
{%- if _tool_format == 'json' %}
{%- if not loop.first or content | trim %}
{{- '\n\n' }}
{%- endif %}
{%- set _args = '{}' %}
{%- if tc.arguments is defined and tc.arguments is not none %}
{%- if tc.arguments is mapping %}
{%- set _args = tc.arguments | tojson %}
{%- elif tc.arguments is string and tc.arguments %}
{%- set _args = tc.arguments %}
{%- endif %}
{%- endif %}
{{- '<tool_call>\n{"name": ' }}{{- tc.name | tojson }}{{- ', "arguments": ' }}{{- _args }}{{- '}\n</tool_call>' }}
{%- else %}
{%- if loop.first %}
{%- if content | trim %}
{{- '\n\n<tool_call>\n<function=' + tc.name + '>\n' }}
{%- else %}
{{- '<tool_call>\n<function=' + tc.name + '>\n' }}
{%- endif %}
{%- else %}
{{- '\n\n<tool_call>\n<function=' + tc.name + '>\n' }}
{%- endif %}
{%- if tc.arguments is defined and tc.arguments is not none %}
{%- if tc.arguments is mapping %}
{%- for args_name, args_value in tc.arguments.items() %}
{{- '<parameter=' + args_name + '>\n' }}
{%- if args_value is mapping or (args_value is sequence and args_value is not string) %}
{%- set _av = args_value | tojson %}
{%- else %}
{%- set _av = args_value | string %}
{%- endif %}
{%- if max_tool_arg_chars > 0 and _av | length > max_tool_arg_chars %}
{{- _av[:max_tool_arg_chars] + '\n[TRUNCATED — original length ' ~ (_av | length | string) ~ ' chars]' }}
{%- else %}
{{- _av }}
{%- endif %}
{{- '\n</parameter>\n' }}
{%- endfor %}
{%- elif tc.arguments is string and tc.arguments %}
{{- tc.arguments }}
{%- endif %}
{%- endif %}
{{- '</function>\n</tool_call>' }}
{%- endif %}
{%- endfor %}
{%- endif %}
{{- '<|im_end|>\n' }}
{%- elif message.role == 'tool' %}
{%- set _content_lower = content | lower %}
{%- set _content_head = _content_lower[:80] %}
{%- if content | length < 500 and '$ ' not in content and 'took ' not in _content_lower and ('"error":' in _content_head or 'error:' in _content_head or 'err!' in _content_head or 'fatal:' in _content_head or 'exception:' in _content_head or 'traceback' in _content_head or 'command not found' in _content_head or 'invalid syntax' in _content_head or 'failed to' in _content_head) %}
{%- set ns2.consecutive_failures = ns2.consecutive_failures + 1 %}
{%- else %}
{%- set ns2.consecutive_failures = 0 %}
{%- endif %}
{%- if ns2.prev_role != 'tool' %}
{{- '<|im_start|>user' }}
{%- endif %}
{%- if max_tool_response_chars > 0 and content | length > max_tool_response_chars %}
{%- set content = content[:max_tool_response_chars] + '\n[TRUNCATED — original length ' ~ (content | length | string) ~ ' chars]' %}
{%- endif %}
{{- '\n<tool_response>\n' + content }}
{%- if ns2.consecutive_failures >= 2 %}
{{- '\n\n⚠️ SYSTEM WARNING: ' ~ ns2.consecutive_failures ~ ' consecutive tool errors detected. Your previous approach is incorrect. You MUST use a fundamentally different approach or corrected arguments.' }}
{%- elif ns2.consecutive_failures == 1 %}
{{- '\n\n⚠️ SYSTEM WARNING: The previous tool call returned an error. Diagnose the failure and retry with completely corrected arguments.' }}
{%- endif %}
{{- '\n</tool_response>' }}
{%- if loop.last %}
{{- '<|im_end|>\n' }}
{%- else %}
{%- set _next_role = _msgs[loop.index0 + 1].role %}
{%- if _next_role != 'tool' %}
{{- '<|im_end|>\n' }}
{%- endif %}
{%- endif %}
{%- else %}
{{- '<|im_start|>user\n[' + message.role + ']: ' + content + '<|im_end|>\n' }}
{%- endif %}
{%- set ns2.prev_role = message.role %}
{%- endfor %}
{%- if add_generation_prompt %}
{{- '<|im_start|>assistant\n' }}
{%- if not ns_state.thinking %}
{{- '<think>\n\n</think>\n\n' }}
{%- elif ns2.consecutive_failures >= 2 %}
{{- '<think>\n\n</think>\n\n' }}
{%- else %}
{{- '<think>\n' }}
{%- endif %}
{%- endif %}
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