feat: add editor record (#7938)

fix CLOUD-58, CLOUD-61, CLOUD-62, PD-1607, PD-1608

packages/backend/server/src/schema.gql

@@ -189,6 +189,7 @@ type DocHistoryNotFoundDataType {
 }
 
 type DocHistoryType {
+  editor: EditorType
   id: String!
   timestamp: DateTime!
   workspaceId: String!
@@ -199,6 +200,11 @@ type DocNotFoundDataType {
   spaceId: String!
 }
 
+type EditorType {
+  avatarUrl: String
+  name: String!
+}
+
 union ErrorDataUnion = AlreadyInSpaceDataType | BlobNotFoundDataType | CopilotMessageNotFoundDataType | CopilotPromptNotFoundDataType | CopilotProviderSideErrorDataType | DocAccessDeniedDataType | DocHistoryNotFoundDataType | DocNotFoundDataType | InvalidHistoryTimestampDataType | InvalidPasswordLengthDataType | InvalidRuntimeConfigTypeDataType | MissingOauthQueryParameterDataType | NotInSpaceDataType | RuntimeConfigNotFoundDataType | SameSubscriptionRecurringDataType | SpaceAccessDeniedDataType | SpaceNotFoundDataType | SpaceOwnerNotFoundDataType | SubscriptionAlreadyExistsDataType | SubscriptionNotExistsDataType | SubscriptionPlanNotFoundDataType | UnknownOauthProviderDataType | VersionRejectedDataType
 
 enum ErrorNames {
@@ -875,6 +881,13 @@ type WorkspacePage {
   workspaceId: String!
 }
 
+type WorkspacePageMeta {
+  createdAt: DateTime!
+  createdBy: EditorType
+  updatedAt: DateTime!
+  updatedBy: EditorType
+}
+
 type WorkspaceType {
   """Available features of workspace"""
   availableFeatures: [FeatureType!]!
@@ -905,6 +918,9 @@ type WorkspaceType {
   """Owner of workspace"""
   owner: UserType!
 
+  """Cloud page metadata of workspace"""
+  pageMeta(pageId: String!): WorkspacePageMeta!
+
   """Permission of current signed in user in workspace"""
   permission: Permission!