diff --git a/internal/rpc/agent.pb.go b/internal/rpc/agent.pb.go
index 4842296..f1f42cb 100644
--- a/internal/rpc/agent.pb.go
+++ b/internal/rpc/agent.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.36.6
-// 	protoc        (unknown)
+// 	protoc        v7.35.1
 // source: rpc/agent.proto
 
 package rpc
@@ -22,53 +22,53 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-type ExecRequest_Signal int32
+type ExecRequest_SendSignal_Signal int32
 
 const (
-	ExecRequest_SIGNAL_UNSPECIFIED ExecRequest_Signal = 0
-	ExecRequest_SIGNAL_SIGTERM     ExecRequest_Signal = 1
-	ExecRequest_SIGNAL_SIGKILL     ExecRequest_Signal = 2
+	ExecRequest_SendSignal_SIGNAL_UNSPECIFIED ExecRequest_SendSignal_Signal = 0
+	ExecRequest_SendSignal_SIGNAL_SIGTERM     ExecRequest_SendSignal_Signal = 1
+	ExecRequest_SendSignal_SIGNAL_SIGKILL     ExecRequest_SendSignal_Signal = 2
 )
 
-// Enum value maps for ExecRequest_Signal.
+// Enum value maps for ExecRequest_SendSignal_Signal.
 var (
-	ExecRequest_Signal_name = map[int32]string{
+	ExecRequest_SendSignal_Signal_name = map[int32]string{
 		0: "SIGNAL_UNSPECIFIED",
 		1: "SIGNAL_SIGTERM",
 		2: "SIGNAL_SIGKILL",
 	}
-	ExecRequest_Signal_value = map[string]int32{
+	ExecRequest_SendSignal_Signal_value = map[string]int32{
 		"SIGNAL_UNSPECIFIED": 0,
 		"SIGNAL_SIGTERM":     1,
 		"SIGNAL_SIGKILL":     2,
 	}
 )
 
-func (x ExecRequest_Signal) Enum() *ExecRequest_Signal {
-	p := new(ExecRequest_Signal)
+func (x ExecRequest_SendSignal_Signal) Enum() *ExecRequest_SendSignal_Signal {
+	p := new(ExecRequest_SendSignal_Signal)
 	*p = x
 	return p
 }
 
-func (x ExecRequest_Signal) String() string {
+func (x ExecRequest_SendSignal_Signal) String() string {
 	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
-func (ExecRequest_Signal) Descriptor() protoreflect.EnumDescriptor {
+func (ExecRequest_SendSignal_Signal) Descriptor() protoreflect.EnumDescriptor {
 	return file_rpc_agent_proto_enumTypes[0].Descriptor()
 }
 
-func (ExecRequest_Signal) Type() protoreflect.EnumType {
+func (ExecRequest_SendSignal_Signal) Type() protoreflect.EnumType {
 	return &file_rpc_agent_proto_enumTypes[0]
 }
 
-func (x ExecRequest_Signal) Number() protoreflect.EnumNumber {
+func (x ExecRequest_SendSignal_Signal) Number() protoreflect.EnumNumber {
 	return protoreflect.EnumNumber(x)
 }
 
-// Deprecated: Use ExecRequest_Signal.Descriptor instead.
-func (ExecRequest_Signal) EnumDescriptor() ([]byte, []int) {
-	return file_rpc_agent_proto_rawDescGZIP(), []int{0, 0}
+// Deprecated: Use ExecRequest_SendSignal_Signal.Descriptor instead.
+func (ExecRequest_SendSignal_Signal) EnumDescriptor() ([]byte, []int) {
+	return file_rpc_agent_proto_rawDescGZIP(), []int{0, 0, 0}
 }
 
 type ExecRequest struct {
@@ -78,7 +78,7 @@ type ExecRequest struct {
 	//	*ExecRequest_Command_
 	//	*ExecRequest_StandardInput
 	//	*ExecRequest_TerminalResize
-	//	*ExecRequest_Signal_
+	//	*ExecRequest_SendSignal_
 	Type          isExecRequest_Type `protobuf_oneof:"type"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
@@ -148,13 +148,13 @@ func (x *ExecRequest) GetTerminalResize() *TerminalSize {
 	return nil
 }
 
-func (x *ExecRequest) GetSignal() ExecRequest_Signal {
+func (x *ExecRequest) GetSendSignal() *ExecRequest_SendSignal {
 	if x != nil {
-		if x, ok := x.Type.(*ExecRequest_Signal_); ok {
-			return x.Signal
+		if x, ok := x.Type.(*ExecRequest_SendSignal_); ok {
+			return x.SendSignal
 		}
 	}
-	return ExecRequest_SIGNAL_UNSPECIFIED
+	return nil
 }
 
 type isExecRequest_Type interface {
@@ -173,8 +173,8 @@ type ExecRequest_TerminalResize struct {
 	TerminalResize *TerminalSize `protobuf:"bytes,3,opt,name=terminal_resize,json=terminalResize,proto3,oneof"`
 }
 
-type ExecRequest_Signal_ struct {
-	Signal ExecRequest_Signal `protobuf:"varint,4,opt,name=signal,proto3,enum=ExecRequest_Signal,oneof"`
+type ExecRequest_SendSignal_ struct {
+	SendSignal *ExecRequest_SendSignal `protobuf:"bytes,4,opt,name=send_signal,json=sendSignal,proto3,oneof"`
 }
 
 func (*ExecRequest_Command_) isExecRequest_Type() {}
@@ -183,7 +183,7 @@ func (*ExecRequest_StandardInput) isExecRequest_Type() {}
 
 func (*ExecRequest_TerminalResize) isExecRequest_Type() {}
 
-func (*ExecRequest_Signal_) isExecRequest_Type() {}
+func (*ExecRequest_SendSignal_) isExecRequest_Type() {}
 
 type ExecResponse struct {
 	state protoimpl.MessageState `protogen:"open.v1"`
@@ -475,6 +475,50 @@ func (x *ResolveIPResponse) GetIp() string {
 	return ""
 }
 
+type ExecRequest_SendSignal struct {
+	state         protoimpl.MessageState        `protogen:"open.v1"`
+	Signal        ExecRequest_SendSignal_Signal `protobuf:"varint,1,opt,name=signal,proto3,enum=ExecRequest_SendSignal_Signal" json:"signal,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *ExecRequest_SendSignal) Reset() {
+	*x = ExecRequest_SendSignal{}
+	mi := &file_rpc_agent_proto_msgTypes[6]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ExecRequest_SendSignal) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ExecRequest_SendSignal) ProtoMessage() {}
+
+func (x *ExecRequest_SendSignal) ProtoReflect() protoreflect.Message {
+	mi := &file_rpc_agent_proto_msgTypes[6]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ExecRequest_SendSignal.ProtoReflect.Descriptor instead.
+func (*ExecRequest_SendSignal) Descriptor() ([]byte, []int) {
+	return file_rpc_agent_proto_rawDescGZIP(), []int{0, 0}
+}
+
+func (x *ExecRequest_SendSignal) GetSignal() ExecRequest_SendSignal_Signal {
+	if x != nil {
+		return x.Signal
+	}
+	return ExecRequest_SendSignal_SIGNAL_UNSPECIFIED
+}
+
 type ExecRequest_Command struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
 	Name          string                 `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
@@ -491,7 +535,7 @@ type ExecRequest_Command struct {
 
 func (x *ExecRequest_Command) Reset() {
 	*x = ExecRequest_Command{}
-	mi := &file_rpc_agent_proto_msgTypes[6]
+	mi := &file_rpc_agent_proto_msgTypes[7]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -503,7 +547,7 @@ func (x *ExecRequest_Command) String() string {
 func (*ExecRequest_Command) ProtoMessage() {}
 
 func (x *ExecRequest_Command) ProtoReflect() protoreflect.Message {
-	mi := &file_rpc_agent_proto_msgTypes[6]
+	mi := &file_rpc_agent_proto_msgTypes[7]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -516,7 +560,7 @@ func (x *ExecRequest_Command) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ExecRequest_Command.ProtoReflect.Descriptor instead.
 func (*ExecRequest_Command) Descriptor() ([]byte, []int) {
-	return file_rpc_agent_proto_rawDescGZIP(), []int{0, 0}
+	return file_rpc_agent_proto_rawDescGZIP(), []int{0, 1}
 }
 
 func (x *ExecRequest_Command) GetName() string {
@@ -584,7 +628,7 @@ type ExecResponse_Exit struct {
 
 func (x *ExecResponse_Exit) Reset() {
 	*x = ExecResponse_Exit{}
-	mi := &file_rpc_agent_proto_msgTypes[8]
+	mi := &file_rpc_agent_proto_msgTypes[9]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -596,7 +640,7 @@ func (x *ExecResponse_Exit) String() string {
 func (*ExecResponse_Exit) ProtoMessage() {}
 
 func (x *ExecResponse_Exit) ProtoReflect() protoreflect.Message {
-	mi := &file_rpc_agent_proto_msgTypes[8]
+	mi := &file_rpc_agent_proto_msgTypes[9]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -627,7 +671,7 @@ type ExecResponse_Started struct {
 
 func (x *ExecResponse_Started) Reset() {
 	*x = ExecResponse_Started{}
-	mi := &file_rpc_agent_proto_msgTypes[9]
+	mi := &file_rpc_agent_proto_msgTypes[10]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -639,7 +683,7 @@ func (x *ExecResponse_Started) String() string {
 func (*ExecResponse_Started) ProtoMessage() {}
 
 func (x *ExecResponse_Started) ProtoReflect() protoreflect.Message {
-	mi := &file_rpc_agent_proto_msgTypes[9]
+	mi := &file_rpc_agent_proto_msgTypes[10]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -659,12 +703,20 @@ var File_rpc_agent_proto protoreflect.FileDescriptor
 
 const file_rpc_agent_proto_rawDesc = "" +
 	"\n" +
-	"\x0frpc/agent.proto\x1a\x1bgoogle/protobuf/empty.proto\"\xe4\x04\n" +
+	"\x0frpc/agent.proto\x1a\x1bgoogle/protobuf/empty.proto\"\xb8\x05\n" +
 	"\vExecRequest\x120\n" +
 	"\acommand\x18\x01 \x01(\v2\x14.ExecRequest.CommandH\x00R\acommand\x121\n" +
 	"\x0estandard_input\x18\x02 \x01(\v2\b.IOChunkH\x00R\rstandardInput\x128\n" +
-	"\x0fterminal_resize\x18\x03 \x01(\v2\r.TerminalSizeH\x00R\x0eterminalResize\x12-\n" +
-	"\x06signal\x18\x04 \x01(\x0e2\x13.ExecRequest.SignalH\x00R\x06signal\x1a\xb4\x02\n" +
+	"\x0fterminal_resize\x18\x03 \x01(\v2\r.TerminalSizeH\x00R\x0eterminalResize\x12:\n" +
+	"\vsend_signal\x18\x04 \x01(\v2\x17.ExecRequest.SendSignalH\x00R\n" +
+	"sendSignal\x1a\x8e\x01\n" +
+	"\n" +
+	"SendSignal\x126\n" +
+	"\x06signal\x18\x01 \x01(\x0e2\x1e.ExecRequest.SendSignal.SignalR\x06signal\"H\n" +
+	"\x06Signal\x12\x16\n" +
+	"\x12SIGNAL_UNSPECIFIED\x10\x00\x12\x12\n" +
+	"\x0eSIGNAL_SIGTERM\x10\x01\x12\x12\n" +
+	"\x0eSIGNAL_SIGKILL\x10\x02\x1a\xb4\x02\n" +
 	"\aCommand\x12\x12\n" +
 	"\x04name\x18\x01 \x01(\tR\x04name\x12\x12\n" +
 	"\x04args\x18\x02 \x03(\tR\x04args\x12 \n" +
@@ -676,11 +728,7 @@ const file_rpc_agent_proto_rawDesc = "" +
 	"\aworkdir\x18\b \x01(\tR\aworkdir\x1a6\n" +
 	"\bEnvEntry\x12\x10\n" +
 	"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
-	"\x05value\x18\x02 \x01(\tR\x05value:\x028\x01\"H\n" +
-	"\x06Signal\x12\x16\n" +
-	"\x12SIGNAL_UNSPECIFIED\x10\x00\x12\x12\n" +
-	"\x0eSIGNAL_SIGTERM\x10\x01\x12\x12\n" +
-	"\x0eSIGNAL_SIGKILL\x10\x02B\x06\n" +
+	"\x05value\x18\x02 \x01(\tR\x05value:\x028\x01B\x06\n" +
 	"\x04type\"\x82\x02\n" +
 	"\fExecResponse\x12(\n" +
 	"\x04exit\x18\x01 \x01(\v2\x12.ExecResponse.ExitH\x00R\x04exit\x123\n" +
@@ -716,40 +764,42 @@ func file_rpc_agent_proto_rawDescGZIP() []byte {
 }
 
 var file_rpc_agent_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_rpc_agent_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
+var file_rpc_agent_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
 var file_rpc_agent_proto_goTypes = []any{
-	(ExecRequest_Signal)(0),      // 0: ExecRequest.Signal
-	(*ExecRequest)(nil),          // 1: ExecRequest
-	(*ExecResponse)(nil),         // 2: ExecResponse
-	(*TerminalSize)(nil),         // 3: TerminalSize
-	(*IOChunk)(nil),              // 4: IOChunk
-	(*ResolveIPRequest)(nil),     // 5: ResolveIPRequest
-	(*ResolveIPResponse)(nil),    // 6: ResolveIPResponse
-	(*ExecRequest_Command)(nil),  // 7: ExecRequest.Command
-	nil,                          // 8: ExecRequest.Command.EnvEntry
-	(*ExecResponse_Exit)(nil),    // 9: ExecResponse.Exit
-	(*ExecResponse_Started)(nil), // 10: ExecResponse.Started
+	(ExecRequest_SendSignal_Signal)(0), // 0: ExecRequest.SendSignal.Signal
+	(*ExecRequest)(nil),                // 1: ExecRequest
+	(*ExecResponse)(nil),               // 2: ExecResponse
+	(*TerminalSize)(nil),               // 3: TerminalSize
+	(*IOChunk)(nil),                    // 4: IOChunk
+	(*ResolveIPRequest)(nil),           // 5: ResolveIPRequest
+	(*ResolveIPResponse)(nil),          // 6: ResolveIPResponse
+	(*ExecRequest_SendSignal)(nil),     // 7: ExecRequest.SendSignal
+	(*ExecRequest_Command)(nil),        // 8: ExecRequest.Command
+	nil,                                // 9: ExecRequest.Command.EnvEntry
+	(*ExecResponse_Exit)(nil),          // 10: ExecResponse.Exit
+	(*ExecResponse_Started)(nil),       // 11: ExecResponse.Started
 }
 var file_rpc_agent_proto_depIdxs = []int32{
-	7,  // 0: ExecRequest.command:type_name -> ExecRequest.Command
+	8,  // 0: ExecRequest.command:type_name -> ExecRequest.Command
 	4,  // 1: ExecRequest.standard_input:type_name -> IOChunk
 	3,  // 2: ExecRequest.terminal_resize:type_name -> TerminalSize
-	0,  // 3: ExecRequest.signal:type_name -> ExecRequest.Signal
-	9,  // 4: ExecResponse.exit:type_name -> ExecResponse.Exit
+	7,  // 3: ExecRequest.send_signal:type_name -> ExecRequest.SendSignal
+	10, // 4: ExecResponse.exit:type_name -> ExecResponse.Exit
 	4,  // 5: ExecResponse.standard_output:type_name -> IOChunk
 	4,  // 6: ExecResponse.standard_error:type_name -> IOChunk
-	10, // 7: ExecResponse.started:type_name -> ExecResponse.Started
-	3,  // 8: ExecRequest.Command.terminal_size:type_name -> TerminalSize
-	8,  // 9: ExecRequest.Command.env:type_name -> ExecRequest.Command.EnvEntry
-	1,  // 10: Agent.Exec:input_type -> ExecRequest
-	5,  // 11: Agent.ResolveIP:input_type -> ResolveIPRequest
-	2,  // 12: Agent.Exec:output_type -> ExecResponse
-	6,  // 13: Agent.ResolveIP:output_type -> ResolveIPResponse
-	12, // [12:14] is the sub-list for method output_type
-	10, // [10:12] is the sub-list for method input_type
-	10, // [10:10] is the sub-list for extension type_name
-	10, // [10:10] is the sub-list for extension extendee
-	0,  // [0:10] is the sub-list for field type_name
+	11, // 7: ExecResponse.started:type_name -> ExecResponse.Started
+	0,  // 8: ExecRequest.SendSignal.signal:type_name -> ExecRequest.SendSignal.Signal
+	3,  // 9: ExecRequest.Command.terminal_size:type_name -> TerminalSize
+	9,  // 10: ExecRequest.Command.env:type_name -> ExecRequest.Command.EnvEntry
+	1,  // 11: Agent.Exec:input_type -> ExecRequest
+	5,  // 12: Agent.ResolveIP:input_type -> ResolveIPRequest
+	2,  // 13: Agent.Exec:output_type -> ExecResponse
+	6,  // 14: Agent.ResolveIP:output_type -> ResolveIPResponse
+	13, // [13:15] is the sub-list for method output_type
+	11, // [11:13] is the sub-list for method input_type
+	11, // [11:11] is the sub-list for extension type_name
+	11, // [11:11] is the sub-list for extension extendee
+	0,  // [0:11] is the sub-list for field type_name
 }
 
 func init() { file_rpc_agent_proto_init() }
@@ -761,7 +811,7 @@ func file_rpc_agent_proto_init() {
 		(*ExecRequest_Command_)(nil),
 		(*ExecRequest_StandardInput)(nil),
 		(*ExecRequest_TerminalResize)(nil),
-		(*ExecRequest_Signal_)(nil),
+		(*ExecRequest_SendSignal_)(nil),
 	}
 	file_rpc_agent_proto_msgTypes[1].OneofWrappers = []any{
 		(*ExecResponse_Exit_)(nil),
@@ -775,7 +825,7 @@ func file_rpc_agent_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: unsafe.Slice(unsafe.StringData(file_rpc_agent_proto_rawDesc), len(file_rpc_agent_proto_rawDesc)),
 			NumEnums:      1,
-			NumMessages:   10,
+			NumMessages:   11,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/internal/rpc/exec.go b/internal/rpc/exec.go
index 31ea673..2187d46 100644
--- a/internal/rpc/exec.go
+++ b/internal/rpc/exec.go
@@ -234,16 +234,16 @@ func (rpc *RPC) Exec(stream grpc.BidiStreamingServer[ExecRequest, ExecResponse])
 
 					return
 				}
-			case *ExecRequest_Signal_:
+			case *ExecRequest_SendSignal_:
 				var signal syscall.Signal
 
-				switch typedAction.Signal {
-				case ExecRequest_SIGNAL_SIGTERM:
+				switch typedAction.SendSignal.GetSignal() {
+				case ExecRequest_SendSignal_SIGNAL_SIGTERM:
 					signal = syscall.SIGTERM
-				case ExecRequest_SIGNAL_SIGKILL:
+				case ExecRequest_SendSignal_SIGNAL_SIGKILL:
 					signal = syscall.SIGKILL
 				default:
-					reportClientError(fmt.Errorf("unsupported exec signal %q", typedAction.Signal.String()))
+					reportClientError(fmt.Errorf("unsupported exec signal %q", typedAction.SendSignal.GetSignal().String()))
 
 					return
 				}
diff --git a/internal/rpc/exec_test.go b/internal/rpc/exec_test.go
index 39e6032..9a44a6c 100644
--- a/internal/rpc/exec_test.go
+++ b/internal/rpc/exec_test.go
@@ -131,23 +131,23 @@ func TestExecReportsStartFailureBeforeStarted(t *testing.T) {
 func TestExecSignalsProcess(t *testing.T) {
 	tests := []struct {
 		name   string
-		signal ExecRequest_Signal
+		signal ExecRequest_SendSignal_Signal
 		code   int32
 		err    string
 	}{
 		{
 			name:   "SIGTERM",
-			signal: ExecRequest_SIGNAL_SIGTERM,
+			signal: ExecRequest_SendSignal_SIGNAL_SIGTERM,
 			code:   int32(signalExitCodeOffset + syscall.SIGTERM),
 		},
 		{
 			name:   "SIGKILL",
-			signal: ExecRequest_SIGNAL_SIGKILL,
+			signal: ExecRequest_SendSignal_SIGNAL_SIGKILL,
 			code:   int32(signalExitCodeOffset + syscall.SIGKILL),
 		},
 		{
 			name:   "unsupported",
-			signal: ExecRequest_SIGNAL_UNSPECIFIED,
+			signal: ExecRequest_SendSignal_SIGNAL_UNSPECIFIED,
 			err:    `unsupported exec signal "SIGNAL_UNSPECIFIED"`,
 		},
 	}
@@ -161,7 +161,9 @@ func TestExecSignalsProcess(t *testing.T) {
 			require.NotNil(t, receiveExecResponse(t, stream).GetStarted())
 
 			stream.requests <- &ExecRequest{
-				Type: &ExecRequest_Signal_{Signal: test.signal},
+				Type: &ExecRequest_SendSignal_{
+					SendSignal: &ExecRequest_SendSignal{Signal: test.signal},
+				},
 			}
 
 			if test.err != "" {
@@ -186,7 +188,9 @@ func TestExecSignalsProcessGroup(t *testing.T) {
 	require.Equal(t, []byte("ready"), receiveExecResponse(t, stream).GetStandardOutput().GetData())
 
 	stream.requests <- &ExecRequest{
-		Type: &ExecRequest_Signal_{Signal: ExecRequest_SIGNAL_SIGTERM},
+		Type: &ExecRequest_SendSignal_{
+			SendSignal: &ExecRequest_SendSignal{Signal: ExecRequest_SendSignal_SIGNAL_SIGTERM},
+		},
 	}
 
 	response := receiveExecResponse(t, stream)
diff --git a/proto/rpc/agent.proto b/proto/rpc/agent.proto
index 7328dbb..b015c1c 100644
--- a/proto/rpc/agent.proto
+++ b/proto/rpc/agent.proto
@@ -10,10 +10,14 @@ service Agent {
 }
 
 message ExecRequest {
-  enum Signal {
-    SIGNAL_UNSPECIFIED = 0;
-    SIGNAL_SIGTERM = 1;
-    SIGNAL_SIGKILL = 2;
+  message SendSignal {
+    enum Signal {
+      SIGNAL_UNSPECIFIED = 0;
+      SIGNAL_SIGTERM = 1;
+      SIGNAL_SIGKILL = 2;
+    }
+
+    Signal signal = 1;
   }
 
   message Command {
@@ -31,7 +35,7 @@ message ExecRequest {
     Command command = 1;
     IOChunk standard_input = 2;
     TerminalSize terminal_resize = 3;
-    Signal signal = 4;
+    SendSignal send_signal = 4;
   }
 }