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hermes-agent/agent/lmstudio_reasoning.py
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Initial import of NousResearch/hermes-agent
2026-05-31 09:36:58 +08:00

49 lines
2.0 KiB
Python

"""LM Studio reasoning-effort resolution shared by the chat-completions
transport and run_agent's iteration-limit summary path.
LM Studio publishes per-model ``capabilities.reasoning.allowed_options`` (e.g.
``["off","on"]`` for toggle-style models, ``["off","minimal","low"]`` for
graduated models). We map the user's ``reasoning_config`` onto LM Studio's
OpenAI-compatible vocabulary, then clamp against the model's allowed set so
the server doesn't 400 on an unsupported effort.
"""
from __future__ import annotations
from typing import List, Optional
# LM Studio accepts these top-level reasoning_effort values via its
# OpenAI-compatible chat.completions endpoint.
_LM_VALID_EFFORTS = {"none", "minimal", "low", "medium", "high", "xhigh"}
# Toggle-style models publish allowed_options as ["off","on"] in /api/v1/models.
# Map them onto the OpenAI-compatible request vocabulary.
_LM_EFFORT_ALIASES = {"off": "none", "on": "medium"}
def resolve_lmstudio_effort(
reasoning_config: Optional[dict],
allowed_options: Optional[List[str]],
) -> Optional[str]:
"""Return the ``reasoning_effort`` string to send to LM Studio, or ``None``.
``None`` means "omit the field": the user picked a level the model can't
honor, so let LM Studio fall back to the model's declared default rather
than silently substituting a different effort. When ``allowed_options`` is
falsy (probe failed), skip clamping and send the resolved effort anyway.
"""
effort = "medium"
if reasoning_config and isinstance(reasoning_config, dict):
if reasoning_config.get("enabled") is False:
effort = "none"
else:
raw = (reasoning_config.get("effort") or "").strip().lower()
raw = _LM_EFFORT_ALIASES.get(raw, raw)
if raw in _LM_VALID_EFFORTS:
effort = raw
if allowed_options:
allowed = {_LM_EFFORT_ALIASES.get(opt, opt) for opt in allowed_options}
if effort not in allowed:
return None
return effort