diff --git a/backend/protos/xyz/block/ftl/v1/language/language.pb.go b/backend/protos/xyz/block/ftl/v1/language/language.pb.go
index 678324af2b..c38480dc3f 100644
--- a/backend/protos/xyz/block/ftl/v1/language/language.pb.go
+++ b/backend/protos/xyz/block/ftl/v1/language/language.pb.go
@@ -1217,9 +1217,10 @@ type GetCreateModuleFlagsResponse_Flag struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Name        string  `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	Help        string  `protobuf:"bytes,2,opt,name=help,proto3" json:"help,omitempty"`
-	Envar       *string `protobuf:"bytes,3,opt,name=envar,proto3,oneof" json:"envar,omitempty"`
+	Name  string  `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Help  string  `protobuf:"bytes,2,opt,name=help,proto3" json:"help,omitempty"`
+	Envar *string `protobuf:"bytes,3,opt,name=envar,proto3,oneof" json:"envar,omitempty"`
+	// short must be a single character
 	Short       *string `protobuf:"bytes,4,opt,name=short,proto3,oneof" json:"short,omitempty"`
 	Placeholder *string `protobuf:"bytes,5,opt,name=placeholder,proto3,oneof" json:"placeholder,omitempty"`
 	Default     *string `protobuf:"bytes,6,opt,name=default,proto3,oneof" json:"default,omitempty"`
diff --git a/frontend/console/src/protos/xyz/block/ftl/v1/language/language_connect.ts b/frontend/console/src/protos/xyz/block/ftl/v1/language/language_connect.ts
index 4507a24002..5861e8e6f2 100644
--- a/frontend/console/src/protos/xyz/block/ftl/v1/language/language_connect.ts
+++ b/frontend/console/src/protos/xyz/block/ftl/v1/language/language_connect.ts
@@ -1,4 +1,4 @@
-// @generated by protoc-gen-connect-es v1.4.0 with parameter "target=ts"
+// @generated by protoc-gen-connect-es v1.5.0 with parameter "target=ts"
 // @generated from file xyz/block/ftl/v1/language/language.proto (package xyz.block.ftl.v1.language, syntax proto3)
 /* eslint-disable */
 // @ts-nocheck
diff --git a/frontend/console/src/protos/xyz/block/ftl/v1/language/language_pb.ts b/frontend/console/src/protos/xyz/block/ftl/v1/language/language_pb.ts
index 5d8dbd5c2c..849978eb16 100644
--- a/frontend/console/src/protos/xyz/block/ftl/v1/language/language_pb.ts
+++ b/frontend/console/src/protos/xyz/block/ftl/v1/language/language_pb.ts
@@ -244,6 +244,8 @@ export class GetCreateModuleFlagsResponse_Flag extends Message<GetCreateModuleFl
   envar?: string;
 
   /**
+   * short must be a single character
+   *
    * @generated from field: optional string short = 4;
    */
   short?: string;
diff --git a/internal/buildengine/languageplugin/external_plugin.go b/internal/buildengine/languageplugin/external_plugin.go
index 1f5c6b506a..ef11de9615 100644
--- a/internal/buildengine/languageplugin/external_plugin.go
+++ b/internal/buildengine/languageplugin/external_plugin.go
@@ -7,16 +7,17 @@ import (
 	"time"
 
 	"connectrpc.com/connect"
+	"github.com/alecthomas/kong"
+	"github.com/alecthomas/types/either"
+	"github.com/alecthomas/types/optional"
+	"github.com/alecthomas/types/pubsub"
+
 	langpb "github.com/TBD54566975/ftl/backend/protos/xyz/block/ftl/v1/language"
 	schemapb "github.com/TBD54566975/ftl/backend/protos/xyz/block/ftl/v1/schema"
 	"github.com/TBD54566975/ftl/internal/builderrors"
 	"github.com/TBD54566975/ftl/internal/moduleconfig"
 	"github.com/TBD54566975/ftl/internal/projectconfig"
 	"github.com/TBD54566975/ftl/internal/schema"
-	"github.com/alecthomas/kong"
-	"github.com/alecthomas/types/either"
-	"github.com/alecthomas/types/optional"
-	"github.com/alecthomas/types/pubsub"
 )
 
 const launchTimeout = 10 * time.Second
diff --git a/internal/buildengine/languageplugin/external_plugin_client.go b/internal/buildengine/languageplugin/external_plugin_client.go
index 331278dff1..9b120e21ee 100644
--- a/internal/buildengine/languageplugin/external_plugin_client.go
+++ b/internal/buildengine/languageplugin/external_plugin_client.go
@@ -7,13 +7,14 @@ import (
 	"syscall"
 
 	"connectrpc.com/connect"
+	"github.com/jpillora/backoff"
+
 	langpb "github.com/TBD54566975/ftl/backend/protos/xyz/block/ftl/v1/language"
 	langconnect "github.com/TBD54566975/ftl/backend/protos/xyz/block/ftl/v1/language/languagepbconnect"
 	"github.com/TBD54566975/ftl/internal/exec"
 	"github.com/TBD54566975/ftl/internal/log"
 	"github.com/TBD54566975/ftl/internal/moduleconfig"
 	"github.com/TBD54566975/ftl/internal/rpc"
-	"github.com/jpillora/backoff"
 )
 
 // TODO: rename all this!
diff --git a/internal/schema/parser.go b/internal/schema/parser.go
index 0d564d534c..03c26f9220 100644
--- a/internal/schema/parser.go
+++ b/internal/schema/parser.go
@@ -5,10 +5,11 @@ import (
 	"io"
 	"strings"
 
-	"github.com/TBD54566975/ftl/internal/builderrors"
 	"github.com/alecthomas/participle/v2"
 	"github.com/alecthomas/participle/v2/lexer"
 	"google.golang.org/protobuf/proto"
+
+	"github.com/TBD54566975/ftl/internal/builderrors"
 )
 
 var (