feat: translate quick start

apis/api-gateway/schema.graphql

@@ -411,6 +411,7 @@ type Mutation @join__type(graph: API_ANALYTICS)  @join__type(graph: API_JOURNEYS
   integrationGoogleUpdate(id: ID!, input: IntegrationGoogleUpdateInput!) : IntegrationGoogle! @join__field(graph: API_JOURNEYS_MODERN) 
   integrationDelete(id: ID!) : Integration! @join__field(graph: API_JOURNEYS_MODERN) 
   journeyAiTranslateCreate(input: JourneyAiTranslateInput!) : Journey! @join__field(graph: API_JOURNEYS_MODERN) 
+  journeyCustomizationDescriptionTranslate(input: JourneyCustomizationDescriptionTranslateInput!) : Journey! @join__field(graph: API_JOURNEYS_MODERN) 
   createJourneyEventsExportLog(input: JourneyEventsExportLogInput!) : JourneyEventsExportLog! @join__field(graph: API_JOURNEYS_MODERN) 
   journeyLanguageAiDetect(input: MutationJourneyLanguageAiDetectInput!) : Boolean! @join__field(graph: API_JOURNEYS_MODERN) 
   journeyProfileUpdate(input: JourneyProfileUpdateInput!) : JourneyProfile! @join__field(graph: API_JOURNEYS_MODERN, override: "api-journeys") 
@@ -4819,11 +4820,49 @@ input IntegrationGoogleUpdateInput @join__type(graph: API_JOURNEYS_MODERN)  {
 }
 
 input JourneyAiTranslateInput @join__type(graph: API_JOURNEYS_MODERN)  {
+  """
+  The ID of the journey to translate
+  """
   journeyId: ID!
+  """
+  The journey name to translate
+  """
   name: String!
+  """
+  The source language name of the journey content
+  """
   journeyLanguageName: String!
+  """
+  The target language ID for journey content (blocks, title, description)
+  """
   textLanguageId: ID!
+  """
+  The target language name for journey content (blocks, title, description)
+  """
   textLanguageName: String!
+  """
+  Language ID for customization text translation. Falls back to textLanguageId if not provided.
+  """
+  userLanguageId: ID
+  """
+  Language name for customization text translation. Falls back to textLanguageName if not provided.
+  """
+  userLanguageName: String
+}
+
+input JourneyCustomizationDescriptionTranslateInput @join__type(graph: API_JOURNEYS_MODERN)  {
+  """
+  The ID of the journey whose customization description to translate
+  """
+  journeyId: ID!
+  """
+  The current language of the customization description
+  """
+  sourceLanguageName: String!
+  """
+  The language to translate the customization description into
+  """
+  targetLanguageName: String!
 }
 
 input JourneyEventsExportLogInput @join__type(graph: API_JOURNEYS_MODERN)  {

apis/api-journeys-modern/schema.graphql

@@ -826,11 +826,34 @@ type Journey
 }
 
 input JourneyAiTranslateInput {
+  """The ID of the journey to translate"""
   journeyId: ID!
+
+  """The journey name to translate"""
   name: String!
+
+  """The source language name of the journey content"""
   journeyLanguageName: String!
+
+  """
+  The target language ID for journey content (blocks, title, description)
+  """
   textLanguageId: ID!
+
+  """
+  The target language name for journey content (blocks, title, description)
+  """
   textLanguageName: String!
+
+  """
+  Language ID for customization text translation. Falls back to textLanguageId if not provided.
+  """
+  userLanguageId: ID
+
+  """
+  Language name for customization text translation. Falls back to textLanguageName if not provided.
+  """
+  userLanguageName: String
 }
 
 type JourneyAiTranslateProgress {
@@ -883,6 +906,17 @@ input JourneyCreateInput {
   slug: String
 }
 
+input JourneyCustomizationDescriptionTranslateInput {
+  """The ID of the journey whose customization description to translate"""
+  journeyId: ID!
+
+  """The current language of the customization description"""
+  sourceLanguageName: String!
+
+  """The language to translate the customization description into"""
+  targetLanguageName: String!
+}
+
 type JourneyCustomizationField
   @shareable
 {
@@ -1415,6 +1449,7 @@ type Mutation {
   integrationGoogleUpdate(id: ID!, input: IntegrationGoogleUpdateInput!): IntegrationGoogle!
   integrationDelete(id: ID!): Integration!
   journeyAiTranslateCreate(input: JourneyAiTranslateInput!): Journey!
+  journeyCustomizationDescriptionTranslate(input: JourneyCustomizationDescriptionTranslateInput!): Journey!
   createJourneyEventsExportLog(input: JourneyEventsExportLogInput!): JourneyEventsExportLog!
   journeyLanguageAiDetect(input: MutationJourneyLanguageAiDetectInput!): Boolean!
   journeyProfileUpdate(input: JourneyProfileUpdateInput!): JourneyProfile! @override(from: "api-journeys")

apis/api-journeys-modern/src/schema/journeyAiTranslate/index.ts

@@ -1 +1,2 @@
 import './journeyAiTranslate'
+import './journeyCustomizationDescriptionTranslate.mutation'