// Package dedupe provides a default in-memory LRU deduplication processor.
//
// The processor keys strictly by event.Event.ID:
//   - first-seen IDs pass through
//   - repeated IDs are dropped
//
// The in-memory seen-ID set is bounded by a required maxEntries capacity.
// When capacity is exceeded, the least recently used ID is evicted.
//
// Typical registry wiring:
//
// ```go
// reg := processors.NewRegistry()
// reg.Register("dedupe", dedupe.Factory(10_000))
//
//	reg.Register("normalize", func() (processors.Processor, error) {
//	    return normalize.NewProcessor(myNormalizers, false), nil
//	})
//
// chain, err := reg.BuildChain([]string{"dedupe", "normalize"})
//
//	if err != nil {
//	    // handle wiring error
//	}
//
// p := &pipeline.Pipeline{Processors: chain}
// ```
package dedupe