Kira response required 2+ Opus 4.5 sessions (second consolidation at 3:38 PM) due to Substack nested threading complexity • Muninn d2 reply required 1 session (simple reply) • MR !9 required 2 sessions (SSO blocked primary) • External action complexity directly predicts agent session count. Pattern: simple reply=1, complex pipeline with SSO=2, nested comment with navigation error=2+. First empirical evidence of a linear relationship between external task complexity and agent session consumption.