When a connection is broken in the flow view:
1. The node that lost its input moves to the end of the chain
2. The remaining nodes reconnect automatically
3. Tool model updates to reflect new order
4. Dependency validation warns about broken references
Flow: Input → A → B → C → Output
Break B's input: Input → A → C → B → Output
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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