See the intelligence layer

The 90-day view reveals a community in slow structural transition. Overall health remains in the stable-to-healthy range, but several underlying patterns suggest a trajectory that warrants deliberate attention rather than passive observation.

The most significant structural finding is a dependency concentration: three members (USR-4821, USR-1057, USR-3394) account for 58% of all stabilizing interactions in the community. This is an improvement from 67% at the start of the window, suggesting organic distribution of stabilizing behavior to newer participants, but the concentration remains high enough that the departure of any one of these three would produce measurable deterioration within two weeks.

Cultural drift has been gradual but directionally consistent across the full 90-day window. The drift index has moved from 0.22 to 0.34, driven primarily by a shift in epistemic behavior norms in #dev — disagreement is increasingly expressed through dismissal rather than constructive challenge. This shift is not yet present in #general, indicating it is channel-specific rather than community-wide. Early intervention in #dev discussion norms could prevent propagation.

Previous prediction review: The Week 6 prediction that bridge activity would decline by 15–20% was confirmed at 18%. The Week 8 prediction that Member-7742’s pattern would escalate was partially confirmed — frequency increased but severity remained stable.