docs(devbox): mark provisioning_tier as an alpha feature

Note that provisioning_tier is alpha and its behavior may change without notice.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: claude

src/runloop_api_client/types/shared/launch_parameters.py

@@ -75,7 +75,10 @@ class LaunchParameters(BaseModel):
     """
 
     provisioning_tier: Optional[Literal["standard", "flex"]] = None
-    """(Optional) standard is default and flex is lazily provisioned and may be pre-empted."""
+    """(Alpha) standard is default and flex is lazily provisioned and may be pre-empted.
+
+    This is an alpha feature and its behavior may change without notice.
+    """
 
     required_services: Optional[List[str]] = None
     """A list of ContainerizedService names to be started when a Devbox is created.

src/runloop_api_client/types/shared_params/launch_parameters.py

@@ -77,7 +77,10 @@ class LaunchParameters(TypedDict, total=False):
     """
 
     provisioning_tier: Optional[Literal["standard", "flex"]]
-    """(Optional) standard is default and flex is lazily provisioned and may be pre-empted."""
+    """(Alpha) standard is default and flex is lazily provisioned and may be pre-empted.
+
+    This is an alpha feature and its behavior may change without notice.
+    """
 
     required_services: Optional[SequenceNotStr[str]]
     """A list of ContainerizedService names to be started when a Devbox is created.