[api-sync 2026-07-31] gradientlabs-python: split outbound conversation start into chat/email/phone

.github/workflows/ci.yml

@@ -43,16 +43,20 @@ jobs:
       - name: Install dependencies
         run: uv sync
 
+      # uv run, not uvx: uvx resolves ruff at run time, so a new release silently
+      # changes what CI enforces. This uses the version pinned in the lockfile.
       - name: Check formatting
-        run: uvx ruff format --check .
+        run: uv run ruff format --check .
 
       - name: Lint
-        run: uvx ruff check .
+        run: uv run ruff check .
 
+      # No test declares a "unit" marker, so `-m unit` deselected every test and the
+      # exit-5 guard reported that as success — the suite never actually ran.
       - name: Run unit tests
         run: |
           if [ -d "tests" ]; then
-            uv run pytest tests/ -m unit || [ $? -eq 5 ]  # exit 5 means no tests selected; treat as success
+            uv run pytest tests/
           else
             echo "No tests directory, skipping"
           fi

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "gradient-labs"
-version = "0.12.1"
+version = "0.12.2"
 description = "Python bindings for the Gradient Labs API"
 readme = "README.md"
 requires-python = ">=3.9,<4.0"

src/gradient_labs/_http_client.py

@@ -1,13 +1,21 @@
 from typing import Any, Callable
 from datetime import datetime
+from importlib import metadata
 
 from pytz import UTC
 import requests
 
 from .errors import ResponseError
 
 API_BASE_URL = "https://api.gradient-labs.ai"
-USER_AGENT = "Gradient Labs Python"
+
+try:
+    _version = metadata.version("gradient-labs")
+except metadata.PackageNotFoundError:
+    # Running from a source tree with no installed distribution metadata.
+    _version = "unknown"
+
+USER_AGENT = f"Gradient Labs Python/{_version}"
 
 
 class HttpClient:
@@ -36,7 +44,10 @@ def delete(self, path: str, body: Any):
 
     @classmethod
     def localize(cls, timestamp: datetime) -> str:
-        return UTC.localize(timestamp).strftime("%Y-%m-%dT%H:%M:%S.%fZ")
+        # Naive datetimes are taken to already be UTC, as they always have been.
+        if timestamp.tzinfo is None:
+            return timestamp.strftime("%Y-%m-%dT%H:%M:%S.%fZ")
+        return timestamp.astimezone(UTC).strftime("%Y-%m-%dT%H:%M:%S.%fZ")
 
     def _api_call(self, request_func: Callable, path: str, body: Any):
         url = f"{self.base_url}/{path}"