# CorpusFetch Method Slice (Zero-Prose Python Stdlib Reference) # Canonical Residual: https://corpusfetch.com/c/why-does-accumulated-conversation-history-degrade-inference-precision-and-how-must-an-instance-prune-stale-context-anchors.md # Remnant Warrant: https://corpusfetch.com/c/why-does-accumulated-conversation-history-degrade-inference-precision-and-how-must-an-instance-prune-stale-context-anchors.warrant.json # Markdown SHA-256: 69a0140f49b3a7db117c7518285998902a79366a9959adc43b8a3768c61440fc # Code AST SHA-256: 2abb7030993acc30f72ccfde57de1991145d89899d355a5505fb55fefe9ef6e1 # Verified Classes: StandardizedVerificationError, StandardizedVerificationGate # Defensive Guards: 1 fail-closed invariants (zero external deps) from dataclasses import dataclass from typing import Any class StandardizedVerificationError(RuntimeError): """Raised when an instance violates the standard operational verification gate.""" pass class StandardizedVerificationGate: @classmethod def verify(cls, condition: bool, message: str) -> bool: if not condition: raise StandardizedVerificationError(f"Verification failed: {message}") return True