fix session performance issue from large diffs

packages/sdk/js/src/gen/sdk.gen.ts

@@ -55,6 +55,7 @@ import type {
   SessionShareErrors,
   SessionDiffData,
   SessionDiffResponses,
+  SessionDiffErrors,
   SessionSummarizeData,
   SessionSummarizeResponses,
   SessionSummarizeErrors,
@@ -475,12 +476,16 @@ class Session extends _HeyApiClient {
   }
 
   /**
-   * Get the diff that resulted from this user message
+   * Get the diff for this session
    */
   public diff<ThrowOnError extends boolean = false>(
     options: Options<SessionDiffData, ThrowOnError>,
   ) {
-    return (options.client ?? this._client).get<SessionDiffResponses, unknown, ThrowOnError>({
+    return (options.client ?? this._client).get<
+      SessionDiffResponses,
+      SessionDiffErrors,
+      ThrowOnError
+    >({
       url: "/session/{id}/diff",
       ...options,
     })

packages/sdk/js/src/gen/types.gen.ts

@@ -527,7 +527,9 @@ export type Session = {
   directory: string
   parentID?: string
   summary?: {
-    diffs: Array<FileDiff>
+    additions: number
+    deletions: number
+    diffs?: Array<FileDiff>
   }
   share?: {
     url: string
@@ -1882,6 +1884,9 @@ export type SessionShareResponse = SessionShareResponses[keyof SessionShareRespo
 export type SessionDiffData = {
   body?: never
   path: {
+    /**
+     * Session ID
+     */
     id: string
   }
   query?: {
@@ -1891,9 +1896,22 @@ export type SessionDiffData = {
   url: "/session/{id}/diff"
 }
 
+export type SessionDiffErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+  /**
+   * Not found
+   */
+  404: NotFoundError
+}
+
+export type SessionDiffError = SessionDiffErrors[keyof SessionDiffErrors]
+
 export type SessionDiffResponses = {
   /**
-   * Successfully retrieved diff
+   * List of diffs
    */
   200: Array<FileDiff>
 }