fix: add action field in histories gql (#6558)

packages/frontend/graphql/src/graphql/get-copilot-histories.gql

@@ -8,6 +8,7 @@ query getCopilotHistories(
       histories(docId: $docId, options: $options) {
         sessionId
         tokens
+        action
         messages {
           role
           content

packages/frontend/graphql/src/graphql/index.ts

@@ -274,6 +274,7 @@ query getCopilotHistories($workspaceId: String!, $docId: String, $options: Query
       histories(docId: $docId, options: $options) {
         sessionId
         tokens
+        action
         messages {
           role
           content

packages/frontend/graphql/src/schema.ts

@@ -366,6 +366,7 @@ export type GetCopilotHistoriesQuery = {
         __typename?: 'CopilotHistories';
         sessionId: string;
         tokens: number;
+        action: string | null;
         messages: Array<{
           __typename?: 'ChatMessage';
           role: string;