chore: replace X-Stainless-* request headers with X-Lmnt-*

.github/workflows/ci.yml

@@ -5,18 +5,13 @@ on:
       - 'generated'
       - 'codegen/**'
       - 'integrated/**'
-      - 'stl-preview-head/**'
-      - 'stl-preview-base/**'
   pull_request:
-    branches-ignore:
-      - 'stl-preview-head/**'
-      - 'stl-preview-base/**'
 
 jobs:
   lint:
     timeout-minutes: 10
     name: lint
-    runs-on: ${{ github.repository == 'stainless-sdks/lmnt-com-python' && 'depot-ubuntu-24.04' || 'ubuntu-latest' }}
+    runs-on: ubuntu-latest
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
     steps:
       - uses: actions/checkout@v4
@@ -33,13 +28,13 @@ jobs:
         run: ./scripts/lint
 
   build:
-    if: github.repository == 'stainless-sdks/lmnt-com-python' && (github.event_name == 'push' || github.event.pull_request.head.repo.fork)
+    if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
     timeout-minutes: 10
     name: build
     permissions:
       contents: read
       id-token: write
-    runs-on: depot-ubuntu-24.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
 
@@ -57,7 +52,7 @@ jobs:
   test:
     timeout-minutes: 10
     name: test (py${{ matrix.python-version }})
-    runs-on: ${{ github.repository == 'stainless-sdks/lmnt-com-python' && 'depot-ubuntu-24.04' || 'ubuntu-latest' }}
+    runs-on: ubuntu-latest
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
     strategy:
       fail-fast: false

_carbonsteel.json

@@ -1,6 +1,6 @@
 {
   "version": "1.1",
-  "generated_at": "2026-05-09T20:32:16Z",
+  "generated_at": "2026-05-19T21:02:05Z",
   "spec_sha": "4c822a78c44f68ac:cc7f4554e955f4fe",
   "files": [
     "api.md",

api.md

@@ -13,6 +13,12 @@ Methods:
 - <code title="post /v1/ai/speech/bytes">client.speech.<a href="./src/lmnt/resources/speech.py">generate</a>(\*\*<a href="src/lmnt/types/speech_generate_params.py">params</a>) -> BinaryAPIResponse</code>
 - <code title="post /v1/ai/speech">client.speech.<a href="./src/lmnt/resources/speech.py">generate_detailed</a>(\*\*<a href="src/lmnt/types/speech_generate_detailed_params.py">params</a>) -> <a href="./src/lmnt/types/speech_generate_detailed_response.py">SpeechGenerateDetailedResponse</a></code>
 
+## Sessions
+
+Methods:
+
+- <code>client.speech.sessions.<a href="./src/lmnt/resources/sessions.py">create</a>(\*\*params) -> SpeechSession</code>
+
 # Voices
 
 Types:

src/lmnt/_base_client.py

@@ -443,14 +443,14 @@ def _build_headers(self, options: FinalRequestOptions, *, retries_taken: int = 0
         # Don't set these headers if they were already set or removed by the caller. We check
         # `custom_headers`, which can contain `Omit()`, instead of `headers` to account for the removal case.
         lower_custom_headers = [header.lower() for header in custom_headers]
-        if "x-stainless-retry-count" not in lower_custom_headers:
-            headers["x-stainless-retry-count"] = str(retries_taken)
-        if "x-stainless-read-timeout" not in lower_custom_headers:
+        if "x-lmnt-retry-count" not in lower_custom_headers:
+            headers["x-lmnt-retry-count"] = str(retries_taken)
+        if "x-lmnt-read-timeout" not in lower_custom_headers:
             timeout = self.timeout if isinstance(options.timeout, NotGiven) else options.timeout
             if isinstance(timeout, Timeout):
                 timeout = timeout.read
             if timeout is not None:
-                headers["x-stainless-read-timeout"] = str(timeout)
+                headers["x-lmnt-read-timeout"] = str(timeout)
 
         return headers
 
@@ -793,7 +793,7 @@ def _should_retry(self, response: httpx.Response) -> bool:
         return False
 
     def _idempotency_key(self) -> str:
-        return f"stainless-python-retry-{uuid.uuid4()}"
+        return f"lmnt-python-retry-{uuid.uuid4()}"
 
 
 class _DefaultHttpxClient(httpx.Client):
@@ -1934,12 +1934,12 @@ def get_platform() -> Platform:
 @lru_cache(maxsize=None)
 def platform_headers(version: str, *, platform: Platform | None) -> Dict[str, str]:
     return {
-        "X-Stainless-Lang": "python",
-        "X-Stainless-Package-Version": version,
-        "X-Stainless-OS": str(platform or get_platform()),
-        "X-Stainless-Arch": str(get_architecture()),
-        "X-Stainless-Runtime": get_python_runtime(),
-        "X-Stainless-Runtime-Version": get_python_version(),
+        "X-Lmnt-Lang": "python",
+        "X-Lmnt-Package-Version": version,
+        "X-Lmnt-OS": str(platform or get_platform()),
+        "X-Lmnt-Arch": str(get_architecture()),
+        "X-Lmnt-Runtime": get_python_runtime(),
+        "X-Lmnt-Runtime-Version": get_python_version(),
     }
 
 

src/lmnt/_client.py

@@ -117,7 +117,7 @@ def auth_headers(self) -> dict[str, str]:
   def default_headers(self) -> dict[str, str | Omit]:
     return {
       **super().default_headers,
-      "X-Stainless-Async": "false",
+      "X-Lmnt-Async": "false",
       "lmnt-version": LMNT_API_VERSION,
       **self._custom_headers,
     }
@@ -290,7 +290,7 @@ def auth_headers(self) -> dict[str, str]:
   def default_headers(self) -> dict[str, str | Omit]:
     return {
       **super().default_headers,
-      "X-Stainless-Async": f"async:{get_async_library()}",
+      "X-Lmnt-Async": f"async:{get_async_library()}",
       "lmnt-version": LMNT_API_VERSION,
       **self._custom_headers,
     }

src/lmnt/_constants.py

@@ -1,9 +1,9 @@
-# File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+# Vendored runtime. See carbonsteel README for provenance.
 
 import httpx
 
-RAW_RESPONSE_HEADER = "X-Stainless-Raw-Response"
-OVERRIDE_CAST_TO_HEADER = "____stainless_override_cast_to"
+RAW_RESPONSE_HEADER = "X-Lmnt-Raw-Response"
+OVERRIDE_CAST_TO_HEADER = "____lmnt_override_cast_to"
 
 # default timeout is 1 minute
 DEFAULT_TIMEOUT = httpx.Timeout(timeout=60, connect=5.0)