Refactor adapter

adapter/inbound.go

@@ -1,7 +1,22 @@
 package adapter
 
+import (
+	"net/netip"
+
+	M "github.com/sagernet/sing/common/metadata"
+)
+
 type Inbound interface {
 	Service
 	Type() string
 	Tag() string
 }
+
+type InboundContext struct {
+	Source      netip.AddrPort
+	Destination M.Socksaddr
+	Inbound     string
+	Network     string
+	Protocol    string
+	Domain      string
+}