diff --git a/llama_stack/apis/eval/eval.py b/llama_stack/apis/eval/eval.py
index 5b4433041..8bba8c4d4 100644
--- a/llama_stack/apis/eval/eval.py
+++ b/llama_stack/apis/eval/eval.py
@@ -10,7 +10,7 @@ from pydantic import BaseModel, Field
 from typing_extensions import Annotated
 
 from llama_stack.apis.agents import AgentConfig
-from llama_stack.apis.common.job_types import JobStatus
+from llama_stack.apis.common.job_types import CommonJobFields, JobStatus
 from llama_stack.apis.inference import SamplingParams, SystemMessage
 from llama_stack.apis.scoring import ScoringResult
 from llama_stack.apis.scoring_functions import ScoringFnParams
@@ -91,7 +91,7 @@ class Eval(Protocol):
         self,
         benchmark_id: str,
         benchmark_config: BenchmarkConfig,
-    ) -> None:
+    ) -> CommonJobFields:
         """Run an evaluation on a benchmark.
 
         :param benchmark_id: The ID of the benchmark to run the evaluation on.
diff --git a/llama_stack/apis/graders/graders.py b/llama_stack/apis/graders/graders.py
index 077497414..08ccb9715 100644
--- a/llama_stack/apis/graders/graders.py
+++ b/llama_stack/apis/graders/graders.py
@@ -4,9 +4,7 @@
 # This source code is licensed under the terms described in the LICENSE file in
 # the root directory of this source tree.
 
-from .graders import *  # noqa: F401 F403
 from enum import Enum
-
 from typing import (
     Annotated,
     Any,
@@ -15,17 +13,18 @@ from typing import (
     Literal,
     Optional,
     Protocol,
-    runtime_checkable,
     Union,
+    runtime_checkable,
 )
 
-from llama_stack.apis.datasets import DatasetPurpose
-
-from llama_stack.apis.resource import Resource, ResourceType
-
-from llama_stack.schema_utils import json_schema_type, register_schema, webmethod
 from pydantic import BaseModel, Field
 
+from llama_stack.apis.datasets import DatasetPurpose
+from llama_stack.apis.resource import Resource, ResourceType
+from llama_stack.schema_utils import json_schema_type, register_schema, webmethod
+
+from .graders import *  # noqa: F401 F403
+
 
 class GraderType(Enum):
     """
diff --git a/llama_stack/apis/resource.py b/llama_stack/apis/resource.py
index fc590b118..5f4f9876c 100644
--- a/llama_stack/apis/resource.py
+++ b/llama_stack/apis/resource.py
@@ -25,9 +25,7 @@ class ResourceType(Enum):
 class Resource(BaseModel):
     """Base class for all Llama Stack resources"""
 
-    identifier: str = Field(
-        description="Unique identifier for this resource in llama stack"
-    )
+    identifier: str = Field(description="Unique identifier for this resource in llama stack")
 
     provider_resource_id: str = Field(
         description="Unique identifier for this resource in the provider",
@@ -36,6 +34,4 @@ class Resource(BaseModel):
 
     provider_id: str = Field(description="ID of the provider that owns this resource")
 
-    type: ResourceType = Field(
-        description="Type of resource (e.g. 'model', 'shield', 'vector_db', etc.)"
-    )
+    type: ResourceType = Field(description="Type of resource (e.g. 'model', 'shield', 'vector_db', etc.)")
diff --git a/llama_stack/distribution/stack.py b/llama_stack/distribution/stack.py
index cd1c58348..b4862537a 100644
--- a/llama_stack/distribution/stack.py
+++ b/llama_stack/distribution/stack.py
@@ -111,9 +111,7 @@ class EnvVarError(Exception):
     def __init__(self, var_name: str, path: str = ""):
         self.var_name = var_name
         self.path = path
-        super().__init__(
-            f"Environment variable '{var_name}' not set or empty{f' at {path}' if path else ''}"
-        )
+        super().__init__(f"Environment variable '{var_name}' not set or empty{f' at {path}' if path else ''}")
 
 
 def redact_sensitive_fields(data: Dict[str, Any]) -> Dict[str, Any]:
@@ -204,9 +202,7 @@ def validate_env_pair(env_pair: str) -> tuple[str, str]:
         if not key:
             raise ValueError(f"Empty key in environment variable pair: {env_pair}")
         if not all(c.isalnum() or c == "_" for c in key):
-            raise ValueError(
-                f"Key must contain only alphanumeric characters and underscores: {key}"
-            )
+            raise ValueError(f"Key must contain only alphanumeric characters and underscores: {key}")
         return key, value
     except ValueError as e:
         raise ValueError(
@@ -219,20 +215,14 @@ def validate_env_pair(env_pair: str) -> tuple[str, str]:
 async def construct_stack(
     run_config: StackRunConfig, provider_registry: Optional[ProviderRegistry] = None
 ) -> Dict[Api, Any]:
-    dist_registry, _ = await create_dist_registry(
-        run_config.metadata_store, run_config.image_name
-    )
-    impls = await resolve_impls(
-        run_config, provider_registry or get_provider_registry(), dist_registry
-    )
+    dist_registry, _ = await create_dist_registry(run_config.metadata_store, run_config.image_name)
+    impls = await resolve_impls(run_config, provider_registry or get_provider_registry(), dist_registry)
     await register_resources(run_config, impls)
     return impls
 
 
 def get_stack_run_config_from_template(template: str) -> StackRunConfig:
-    template_path = (
-        importlib.resources.files("llama_stack") / f"templates/{template}/run.yaml"
-    )
+    template_path = importlib.resources.files("llama_stack") / f"templates/{template}/run.yaml"
 
     with importlib.resources.as_file(template_path) as path:
         if not path.exists():
@@ -275,9 +265,7 @@ def run_config_from_adhoc_config_spec(
 
         # call method "sample_run_config" on the provider spec config class
         provider_config_type = instantiate_class_type(provider_spec.config_class)
-        provider_config = replace_env_vars(
-            provider_config_type.sample_run_config(__distro_dir__=distro_dir)
-        )
+        provider_config = replace_env_vars(provider_config_type.sample_run_config(__distro_dir__=distro_dir))
 
         provider_configs_by_api[api_str] = [
             Provider(