docs(devbox): note provisioning_tier is optional and alpha

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

Author: claude

src/runloop_api_client/types/shared/launch_parameters.py

@@ -75,7 +75,7 @@ class LaunchParameters(BaseModel):
     """
 
     provisioning_tier: Optional[Literal["standard", "flex"]] = None
-    """(Alpha) standard is default and flex is lazily provisioned and may be pre-empted.
+    """(Optional, 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.
     """

src/runloop_api_client/types/shared_params/launch_parameters.py

@@ -77,7 +77,7 @@ class LaunchParameters(TypedDict, total=False):
     """
 
     provisioning_tier: Optional[Literal["standard", "flex"]]
-    """(Alpha) standard is default and flex is lazily provisioned and may be pre-empted.
+    """(Optional, 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.
     """