Add list conversion for more fields

Signed-off-by: Samuel Monson <[email protected]>

Author: sjmonson

src/guidellm/benchmark/schemas.py

@@ -1678,7 +1678,7 @@ def compile(
         estimated_state: EstimatedBenchmarkState,
         scheduler_state: SchedulerState,
         profile: Profile,
-        requests: Iterable,
+        requests: Iterable,  # noqa: ARG003
         backend: BackendInterface,
         environment: Environment,
         strategy: SchedulingStrategy,
@@ -1845,7 +1845,7 @@ def get_default(cls: type[BenchmarkGenerativeTextArgs], field: str) -> Any:
     profile: StrategyType | ProfileType | Profile = Field(
         default="sweep", description="Benchmark profile or scheduling strategy type"
     )
-    rate: float | list[float] | None = Field(
+    rate: list[float] | None = Field(
         default=None, description="Request rate(s) for rate-based scheduling"
     )
     # Backend configuration
@@ -1938,13 +1938,13 @@ def get_default(cls: type[BenchmarkGenerativeTextArgs], field: str) -> Any:
         default=None, description="Maximum global error rate (0-1) before stopping"
     )
 
-    @field_validator("data", mode="wrap")
+    @field_validator("data", "data_args", "rate", mode="wrap")
     @classmethod
     def single_to_list(
         cls, value: Any, handler: ValidatorFunctionWrapHandler
     ) -> list[Any]:
         """
-        Ensures 'data' field is always a list.
+        Ensures field is always a list.
 
         :param value: Input value for the 'data' field
         :return: List of data sources