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---
name: cross-boundary-consistency
description: Guarantee data and UI consistency across multiple `Suspense` and error boundaries.
---
# Cross-Boundary Consistency (React 18)
## Summary
Guarantee data and UI consistency across multiple `Suspense` and error boundaries.
## Key Capabilities
- Design cross-boundary synchronization protocols.
- Prevent inconsistent partial renders during rapid updates.
- Implement conflict resolution for overlapping data sources.
## PhD-Level Challenges
- Prove invariants across boundary partitions.
- Analyze consistency under partial hydration and retries.
- Derive conflict-free merge strategies for concurrent data.
## Acceptance Criteria
- Demonstrate consistent UI state across boundaries under load.
- Provide invariants and a proof sketch.
- Document recovery behavior for conflicting updates.
