Method is_extracted

quantmind/knowledge/_base.py:114–116

True iff the item came from an LLM flow (vs hand-curated).

(self)

    )
    created_at: datetime = Field(
        default_factory=lambda: datetime.now(timezone.utc)
    )

    # Provenance (no bare strings)
    source: SourceRef
    extraction: ExtractionRef | None = None