feat: implement security, discovery, history, file transfer, web UI (P0-P3)

internal/dedup/dedup.go

@@ -21,10 +21,10 @@ const defaultCacheSize = 20
 // Filter prevents clipboard sync loops.
 type Filter struct {
 	mu          sync.Mutex
-	origin      string        // our hostname
-	cache       []string      // ring buffer of content hashes
-	cacheIdx    int           // write position in ring buffer
-	lastWriteTs int64         // nanosecond timestamp of our last local write
+	origin      string   // our hostname
+	cache       []string // ring buffer of content hashes
+	cacheIdx    int      // write position in ring buffer
+	lastWriteTs int64    // nanosecond timestamp of our last local write
 }
 
 // NewFilter creates a new deduplication filter for the given origin hostname.