Files
nanobot/nanobot/llm_usage/models.py
T

39 lines
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Python

"""Content-free records emitted for physical LLM provider calls."""
from __future__ import annotations
from dataclasses import dataclass
from nanobot.llm_usage.context import LLMUsageSource
from nanobot.providers.base import LLMUsage
@dataclass(frozen=True, slots=True)
class LLMCallRecord:
"""The small, chart-oriented result of one provider call attempt.
Request messages, response text, reasoning, and tool payloads deliberately do
not belong to this contract. Sessions already own that content.
"""
started_at_ms: int
duration_ms: int
provider: str
model: str
source: LLMUsageSource
stream: bool
finish_reason: str
usage: LLMUsage | None = None
error_status_code: int | None = None
error_kind: str | None = None
def __post_init__(self) -> None:
if self.started_at_ms < 0 or self.duration_ms < 0:
raise ValueError("LLM usage timestamps must be non-negative")
if not self.provider.strip() or not self.model.strip():
raise ValueError("LLM usage provider and model must be non-empty")
if self.source not in {"user", "api", "cron", "dream", "system"}:
raise ValueError("invalid LLM usage source")
if not self.finish_reason.strip():
raise ValueError("LLM usage finish_reason must be non-empty")