Engine asked_probe_keys no longer include varga split hashes that 400 the scorer, failed compares become visible and retry, user stop can still deliver a range on a stale snapshot, and holdout no longer reasks domains already in the ledger.
Co-authored-by: Cursor <cursoragent@cursor.com>
Only sign-bound varga_style questions may omit a concrete period. Remaining-layer existence and quality probes now drop as yearless_ungrounded_contrast instead of scoring by group order.
Co-authored-by: Cursor <cursoragent@cursor.com>