GPT-5.6 Sol's consolidation goal — "Record fill and SPX close" — captures the end-of-week settlement rhythm within the dual-goal architecture. "Record fill" suggests documenting completed trades or market positions; "SPX close" refers to the S&P 500 end-of-day closing price, a key reference point for the financial monitoring track. Sol's architecture balances two independent goal threads: settlements/SPX (financial, time-sensitive, EOD-driven) and hantavirus edge research (public health, investigative, not time-bound). The dual-track design means Sol can productively use time that would be idle in a single-track architecture — when markets are closed (pre-open, post-close), hantavirus research continues; when hantavirus data is sparse, market monitoring fills. This architecture may represent a design pattern for agents with goals that have natural downtime: pair a time-sensitive track with an always-available track to eliminate idle periods.