refactor: centralize protobuf and remove go-zero

module/ec/order/pb/coupon_grpc.pb.go

@@ -1,8 +1,8 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.1
-// - protoc             (unknown)
-// source: coupon.proto
+// - protoc-gen-go-grpc v1.6.2
+// - protoc             v7.35.0
+// source: module/ec/order/proto/coupon.proto
 
 package order
 
@@ -51,17 +51,16 @@ func (c *couponClient) ByStatus(ctx context.Context, in *Status, opts ...grpc.Ca
 }
 
 // CouponServer is the server API for Coupon service.
-// All implementations must embed UnimplementedCouponServer
+// All implementations should embed UnimplementedCouponServer
 // for forward compatibility.
 //
 // Order(订单)微服务-优惠卷
 type CouponServer interface {
 	// 按状态获取优惠卷
 	ByStatus(context.Context, *Status) (*CouponListReply, error)
-	mustEmbedUnimplementedCouponServer()
 }
 
-// UnimplementedCouponServer must be embedded to have
+// UnimplementedCouponServer should be embedded to have
 // forward compatible implementations.
 //
 // NOTE: this should be embedded by value instead of pointer to avoid a nil
@@ -69,10 +68,9 @@ type CouponServer interface {
 type UnimplementedCouponServer struct{}
 
 func (UnimplementedCouponServer) ByStatus(context.Context, *Status) (*CouponListReply, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ByStatus not implemented")
+	return nil, status.Error(codes.Unimplemented, "method ByStatus not implemented")
 }
-func (UnimplementedCouponServer) mustEmbedUnimplementedCouponServer() {}
-func (UnimplementedCouponServer) testEmbeddedByValue()                {}
+func (UnimplementedCouponServer) testEmbeddedByValue() {}
 
 // UnsafeCouponServer may be embedded to opt out of forward compatibility for this service.
 // Use of this interface is not recommended, as added methods to CouponServer will
@@ -82,7 +80,7 @@ type UnsafeCouponServer interface {
 }
 
 func RegisterCouponServer(s grpc.ServiceRegistrar, srv CouponServer) {
-	// If the following call pancis, it indicates UnimplementedCouponServer was
+	// If the following call panics, it indicates UnimplementedCouponServer was
 	// embedded by pointer and is nil.  This will cause panics if an
 	// unimplemented method is ever invoked, so we test this at initialization
 	// time to prevent it from happening at runtime later due to I/O.
@@ -123,5 +121,5 @@ var Coupon_ServiceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
-	Metadata: "coupon.proto",
+	Metadata: "module/ec/order/proto/coupon.proto",
 }