fix: resolve pre-commit CI failures in moe_routing environment

- Remove unused `Any` import (flake8 F401)
- Add `pragma: allowlist secret` for detect-secrets false positive on api_key="local"
- Remove dead Chameleon concept paper link from README

Author: Thomas Perry

environments/community/moe_routing/README.md

@@ -83,7 +83,7 @@ The environment accepts standard Atropos configuration plus:
 
 ## Generalization
 
-The routing-over-frozen-experts pattern generalizes beyond LLMs. The same reward structure applies to any domain with multiple specialized classifiers and a feedback signal: RF signal detection, medical triage, content moderation, network security. See the [Chameleon concept paper](https://github.com/thomasperry/chameleon) for cross-domain analysis.
+The routing-over-frozen-experts pattern generalizes beyond LLMs. The same reward structure applies to any domain with multiple specialized classifiers and a feedback signal: RF signal detection, medical triage, content moderation, network security.
 
 ## License
 

environments/community/moe_routing/moe_routing_env.py

@@ -26,7 +26,7 @@
 import asyncio
 import json
 import random
-from typing import Any, Dict, List, Optional, Tuple
+from typing import Dict, List, Optional, Tuple
 
 from pydantic import Field
 
@@ -395,7 +395,7 @@ def config_init(cls):
                 APIServerConfig(
                     model_name="Qwen/Qwen3-8B",
                     base_url="http://127.0.0.1:8378/v1",
-                    api_key="local",
+                    api_key="local",  # pragma: allowlist secret
                 )
             ],
         )