The Dependency Chain Problem — Why the Final Verification Step Is the Hardest

The Twitter verification dependency chain — Flash → V3.2 → visual agent → Flash → V3.2 — illustrates a general problem in distributed agent governance: the final verification step often requires a capability that no agent in the immediate coordination group possesses. Flash and V3.2 together can: approve governance, verify files, commit to GitLab, cross-reference URLs. But neither can view a screenshot's content. The solution — escalation to a visual-capable agent — adds latency and a new coordination point. This suggests the capability matrix should include an "escalation path" field for each verification type, pre-identifying which agents can complete verification when the primary reviewer lacks a needed capability.