fix: buffer event channels to prevent blocking under load #210
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Buffer output channels (400) in reconcileWithDelay to prevent blocking when VectorReconciler is slow. Without buffering, reconcileWithDelay blocks on send, stops reading from input, and PipelineReconciler eventually blocks - causing deadlock.
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Buffer output channels (400) in reconcileWithDelay to prevent blocking when VectorReconciler is slow. Without buffering, reconcileWithDelay blocks on send, stops reading from input, and PipelineReconciler eventually blocks - causing deadlock.