chore(internal): codegen related update

Author: stainless-app[bot]

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 151
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-bbf1d88b9b565b893dcae280be68848dc1518ecb65e009d1e94c9f0e5ecaacb2.yml
-openapi_spec_hash: 0757a960c980e26cc813615d6823bfd5
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-9919ae12a2ab24389e4bcd032e986437cbc8a4b70057dda0f524976c9378f4c1.yml
+openapi_spec_hash: c670ab80573e61e664f6a16f5a96d67f
 config_hash: 1d3eb2a6fc36f206d2d67bfcf1a7080d

src/client.ts

@@ -448,6 +448,18 @@ export class OpenAI {
     this.fetch = options.fetch ?? Shims.getDefaultFetch();
     this.#encoder = Opts.FallbackEncoder;
 
+    const customHeadersEnv = readEnv('OPENAI_CUSTOM_HEADERS');
+    if (customHeadersEnv) {
+      const parsed: Record<string, string> = {};
+      for (const line of customHeadersEnv.split('\n')) {
+        const colon = line.indexOf(':');
+        if (colon >= 0) {
+          parsed[line.substring(0, colon).trim()] = line.substring(colon + 1).trim();
+        }
+      }
+      options.defaultHeaders = { ...parsed, ...options.defaultHeaders };
+    }
+
     this._options = options;
 
     if (workloadIdentity) {

src/resources/files.ts

@@ -18,7 +18,8 @@ export class Files extends APIResource {
   /**
    * Upload a file that can be used across various endpoints. Individual files can be
    * up to 512 MB, and each project can store up to 2.5 TB of files in total. There
-   * is no organization-wide storage limit.
+   * is no organization-wide storage limit. Uploads to this endpoint are rate-limited
+   * to 1,000 requests per minute per authenticated user.
    *
    * - The Assistants API supports files up to 2 million tokens and of specific file
    *   types. See the
@@ -33,6 +34,12 @@ export class Files extends APIResource {
    * - The Batch API only supports `.jsonl` files up to 200 MB in size. The input
    *   also has a specific required
    *   [format](https://platform.openai.com/docs/api-reference/batch/request-input).
+   * - For Retrieval or `file_search` ingestion, upload files here first. If you need
+   *   to attach multiple uploaded files to the same vector store, use
+   *   [`/vector_stores/{vector_store_id}/file_batches`](https://platform.openai.com/docs/api-reference/vector-stores-file-batches/createBatch)
+   *   instead of attaching them one by one. Vector store attachment has separate
+   *   limits from file upload, including 2,000 attached files per minute per
+   *   organization.
    *
    * Please [contact us](https://help.openai.com/) if you need to increase these
    * storage limits.