Fix: Fixed linting errors

benchmarks/actor_registry_bench.py

@@ -10,6 +10,7 @@ from __future__ import annotations
 
 import importlib
 import sys
+import typing
 from pathlib import Path
 
 # Ensure the local *source* tree is importable
@@ -51,7 +52,7 @@ class TimeActorCreation:
     """Benchmark actor creation with YAML text and metadata."""
 
     _YAML = "name: bench/actor\nprovider: openai\nmodel: gpt-4\n"
-    _META = {"graph_nodes": ["a", "b"], "tool_count": 5}
+    _META: typing.ClassVar[dict] = {"graph_nodes": ["a", "b"], "tool_count": 5}
 
     def time_create_minimal(self) -> None:
         _make_actor("bench/minimal")
@@ -95,8 +96,8 @@ class TimeActorListing:
 class TimeComputeHash:
     """Benchmark config hash computation."""
 
-    _SMALL_BLOB: dict = {"provider": "openai", "model": "gpt-4"}
-    _LARGE_BLOB: dict = {
+    _SMALL_BLOB: typing.ClassVar[dict] = {"provider": "openai", "model": "gpt-4"}
+    _LARGE_BLOB: typing.ClassVar[dict] = {
         "provider": "openai",
         "model": "gpt-4",
         "options": {f"key_{i}": f"value_{i}" for i in range(100)},