diff --git a/src/lfx/src/lfx/services/deployment/exceptions.py b/src/lfx/src/lfx/services/deployment/exceptions.py
index 3e05f2b09b..f9eaabbf5c 100644
--- a/src/lfx/src/lfx/services/deployment/exceptions.py
+++ b/src/lfx/src/lfx/services/deployment/exceptions.py
@@ -129,7 +129,8 @@ class DeploymentNotConfiguredError(DeploymentError):
 
     def __init__(
         self,
-        message: str = "No deployment adapter is registered. Register a concrete adapter to enable deployment operations.",
+        message: str = "No deployment adapter is registered. "
+        "Register a concrete adapter to enable deployment operations.",
         *,
         method: str | None = None,
         cause: Exception | None = None,
diff --git a/src/lfx/src/lfx/services/deployment/schema.py b/src/lfx/src/lfx/services/deployment/schema.py
index 3e0664fc12..a0f12982ab 100644
--- a/src/lfx/src/lfx/services/deployment/schema.py
+++ b/src/lfx/src/lfx/services/deployment/schema.py
@@ -57,10 +57,10 @@ class BaseFlowArtifact(BaseModel):
             raise ValueError(msg)
         if not isinstance(value["nodes"], list):
             msg = "Flow 'nodes' must be a list"
-            raise ValueError(msg)
+            raise ValueError(msg)  # noqa: TRY004
         if not isinstance(value["edges"], list):
             msg = "Flow 'edges' must be a list"
-            raise ValueError(msg)
+            raise ValueError(msg)  # noqa: TRY004
         return value
 
 
diff --git a/src/lfx/src/lfx/services/deployment/service.py b/src/lfx/src/lfx/services/deployment/service.py
index c3dbc6e7c7..4978050508 100644
--- a/src/lfx/src/lfx/services/deployment/service.py
+++ b/src/lfx/src/lfx/services/deployment/service.py
@@ -47,9 +47,9 @@ class DeploymentService(BaseDeploymentService):
     async def create(
         self,
         *,
-        user_id: IdLike,
-        payload: DeploymentCreate,
-        db: AsyncSession,
+        user_id: IdLike,  # noqa: ARG002
+        payload: DeploymentCreate,  # noqa: ARG002
+        db: AsyncSession,  # noqa: ARG002
     ) -> DeploymentCreateResult:
         """Create a new deployment in the provider."""
         raise DeploymentNotConfiguredError(method="create")
@@ -57,8 +57,8 @@ class DeploymentService(BaseDeploymentService):
     async def list_types(
         self,
         *,
-        user_id: IdLike,
-        db: AsyncSession,
+        user_id: IdLike,  # noqa: ARG002
+        db: AsyncSession,  # noqa: ARG002
     ) -> DeploymentListTypesResult:
         """List deployment types supported by the provider."""
         raise DeploymentNotConfiguredError(method="list_types")
@@ -66,9 +66,9 @@ class DeploymentService(BaseDeploymentService):
     async def list(
         self,
         *,
-        user_id: IdLike,
-        params: DeploymentListParams | None = None,
-        db: AsyncSession,
+        user_id: IdLike,  # noqa: ARG002
+        params: DeploymentListParams | None = None,  # noqa: ARG002
+        db: AsyncSession,  # noqa: ARG002
     ) -> DeploymentListResult:
         """List deployments visible to this adapter."""
         raise DeploymentNotConfiguredError(method="list")
@@ -76,9 +76,9 @@ class DeploymentService(BaseDeploymentService):
     async def get(
         self,
         *,
-        user_id: IdLike,
-        deployment_id: IdLike,
-        db: AsyncSession,
+        user_id: IdLike,  # noqa: ARG002
+        deployment_id: IdLike,  # noqa: ARG002
+        db: AsyncSession,  # noqa: ARG002
     ) -> DeploymentGetResult:
         """Return deployment metadata by provider ID."""
         raise DeploymentNotConfiguredError(method="get")
@@ -86,10 +86,10 @@ class DeploymentService(BaseDeploymentService):
     async def update(
         self,
         *,
-        user_id: IdLike,
-        deployment_id: IdLike,
-        payload: DeploymentUpdate,
-        db: AsyncSession,
+        user_id: IdLike,  # noqa: ARG002
+        deployment_id: IdLike,  # noqa: ARG002
+        payload: DeploymentUpdate,  # noqa: ARG002
+        db: AsyncSession,  # noqa: ARG002
     ) -> DeploymentUpdateResult:
         """Update deployment inputs and apply changes in the provider."""
         raise DeploymentNotConfiguredError(method="update")
@@ -97,9 +97,9 @@ class DeploymentService(BaseDeploymentService):
     async def redeploy(
         self,
         *,
-        user_id: IdLike,
-        deployment_id: IdLike,
-        db: AsyncSession,
+        user_id: IdLike,  # noqa: ARG002
+        deployment_id: IdLike,  # noqa: ARG002
+        db: AsyncSession,  # noqa: ARG002
     ) -> RedeployResult:
         """Re-apply current deployment inputs without changing them."""
         raise DeploymentNotConfiguredError(method="redeploy")
@@ -107,9 +107,9 @@ class DeploymentService(BaseDeploymentService):
     async def duplicate(
         self,
         *,
-        user_id: IdLike,
-        deployment_id: IdLike,
-        db: AsyncSession,
+        user_id: IdLike,  # noqa: ARG002
+        deployment_id: IdLike,  # noqa: ARG002
+        db: AsyncSession,  # noqa: ARG002
     ) -> DeploymentDuplicateResult:
         """Create a new deployment using the same inputs as the source."""
         raise DeploymentNotConfiguredError(method="duplicate")
@@ -117,9 +117,9 @@ class DeploymentService(BaseDeploymentService):
     async def delete(
         self,
         *,
-        user_id: IdLike,
-        deployment_id: IdLike,
-        db: AsyncSession,
+        user_id: IdLike,  # noqa: ARG002
+        deployment_id: IdLike,  # noqa: ARG002
+        db: AsyncSession,  # noqa: ARG002
     ) -> DeploymentDeleteResult:
         """Delete the deployment from the provider."""
         raise DeploymentNotConfiguredError(method="delete")
@@ -127,9 +127,9 @@ class DeploymentService(BaseDeploymentService):
     async def get_status(
         self,
         *,
-        user_id: IdLike,
-        deployment_id: IdLike,
-        db: AsyncSession,
+        user_id: IdLike,  # noqa: ARG002
+        deployment_id: IdLike,  # noqa: ARG002
+        db: AsyncSession,  # noqa: ARG002
     ) -> DeploymentStatusResult:
         """Return provider-reported health/status for the deployment."""
         raise DeploymentNotConfiguredError(method="get_status")
@@ -137,9 +137,9 @@ class DeploymentService(BaseDeploymentService):
     async def create_execution(
         self,
         *,
-        user_id: IdLike,
-        payload: ExecutionCreate,
-        db: AsyncSession,
+        user_id: IdLike,  # noqa: ARG002
+        payload: ExecutionCreate,  # noqa: ARG002
+        db: AsyncSession,  # noqa: ARG002
     ) -> ExecutionCreateResult:
         """Run a provider-agnostic deployment execution."""
         raise DeploymentNotConfiguredError(method="create_execution")
@@ -147,9 +147,9 @@ class DeploymentService(BaseDeploymentService):
     async def get_execution(
         self,
         *,
-        user_id: IdLike,
-        execution_id: IdLike,
-        db: AsyncSession,
+        user_id: IdLike,  # noqa: ARG002
+        execution_id: IdLike,  # noqa: ARG002
+        db: AsyncSession,  # noqa: ARG002
     ) -> ExecutionStatusResult:
         """Get provider-agnostic deployment execution state/output."""
         raise DeploymentNotConfiguredError(method="get_execution")
diff --git a/src/lfx/tests/unit/services/deployment/test_deployment_exceptions.py b/src/lfx/tests/unit/services/deployment/test_deployment_exceptions.py
index 22916859a4..1975b7bc1f 100644
--- a/src/lfx/tests/unit/services/deployment/test_deployment_exceptions.py
+++ b/src/lfx/tests/unit/services/deployment/test_deployment_exceptions.py
@@ -143,9 +143,9 @@ def test_deployment_not_configured_default_message() -> None:
 
 def test_auth_errors_not_caught_by_deployment_error() -> None:
     """Ensure except DeploymentError does NOT catch auth failures."""
-    with pytest.raises(AuthenticationError):
+    with pytest.raises(AuthenticationError):  # noqa: PT012
         try:
-            raise CredentialResolutionError()
+            raise CredentialResolutionError
         except DeploymentError:
             pytest.fail("DeploymentError should not catch AuthenticationError")
 
@@ -153,9 +153,9 @@ def test_auth_errors_not_caught_by_deployment_error() -> None:
 def test_deployment_service_error_catches_both_hierarchies() -> None:
     """DeploymentServiceError catches both deployment and auth errors."""
     with pytest.raises(DeploymentServiceError):
-        raise CredentialResolutionError()
+        raise CredentialResolutionError
     with pytest.raises(DeploymentServiceError):
-        raise DeploymentNotFoundError()
+        raise DeploymentNotFoundError
 
 
 def test_package_exports_base_and_error() -> None: