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perf(tokens): document tool schema cache assumption

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Xubin Ren 2026-06-20 22:44:45 +08:00
parent 7275a81ec7
commit 98916a31e3
1 changed files with 1 additions and 0 deletions
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nanobot/utils/helpers.py
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@ -44,6 +44,7 @@ def _estimate_tools_tokens(
leading_separator: bool,
) -> int:
"""Estimate stable tool definition tokens without re-encoding every loop."""
# ToolRegistry keeps the returned definitions list alive until the registry changes.
tools_id = id(tools)
fingerprint = tuple(id(tool) for tool in tools)
cached = _TOOLS_TOKEN_CACHE.get(tools_id)