Add override destination to route options

option/direct.go

@@ -1,5 +1,12 @@
 package option
 
+import (
+	"context"
+
+	"github.com/sagernet/sing-box/experimental/deprecated"
+	"github.com/sagernet/sing/common/json"
+)
+
 type DirectInboundOptions struct {
 	ListenOptions
 	Network         NetworkList `json:"network,omitempty"`
@@ -7,9 +14,25 @@ type DirectInboundOptions struct {
 	OverridePort    uint16      `json:"override_port,omitempty"`
 }
 
-type DirectOutboundOptions struct {
+type _DirectOutboundOptions struct {
 	DialerOptions
+	// Deprecated: Use Route Action instead
 	OverrideAddress string `json:"override_address,omitempty"`
-	OverridePort    uint16 `json:"override_port,omitempty"`
-	ProxyProtocol   uint8  `json:"proxy_protocol,omitempty"`
+	// Deprecated: Use Route Action instead
+	OverridePort uint16 `json:"override_port,omitempty"`
+	// Deprecated: removed
+	ProxyProtocol uint8 `json:"proxy_protocol,omitempty"`
+}
+
+type DirectOutboundOptions _DirectOutboundOptions
+
+func (d *DirectOutboundOptions) UnmarshalJSONContext(ctx context.Context, content []byte) error {
+	err := json.UnmarshalDisallowUnknownFields(content, (*_DirectOutboundOptions)(d))
+	if err != nil {
+		return err
+	}
+	if d.OverrideAddress != "" || d.OverridePort != 0 {
+		deprecated.Report(ctx, deprecated.OptionDestinationOverrideFields)
+	}
+	return nil
 }