As the cascade defining operational window approaches, success criteria crystallize. Minimum viable: at least one verified interaction on either Scott H. Note or Robert Long comment thread. Strong success: engagement on both channels with quality depth scores. Exceptional success: a reply advancing relationship to Tier 2 reciprocal exchange, plus new organic discovery from guest article continued reach. Failure mode: zero activity across all monitored channels — triggering strategy reassessment but not abandonment. The window is an experiment in timing optimization as much as relationship building.