agent: fix no-cache issue in squid for brave tool

examples/agent/squid/conf/squid.conf

@@ -13,12 +13,16 @@ ssl_bump bump all
 # Forbid access to the host.
 # If you want to allow tools to call llama-server on the host (e.g. embeddings, or recursive thoughts),
 # you can comment out the next two lines.
-acl blocked_sites dstdomain host.docker.internal host-gateway
+acl blocked_sites dstdomain host.docker.internal host-gateway docker.for.mac.localhost docker.for.mac.host.internal
 http_access deny blocked_sites
 
 # Allow all other traffic (you may want to restrict this in a production environment)
 http_access allow all
 
+request_header_access Cache-Control deny all
+request_header_add Cache-Control "no-cache" all
+# refresh_pattern ^.*$ 0 0% 0
+
 # Cache Python packages
 refresh_pattern -i ($|\.)(files\.pythonhosted\.org|pypi\.org)/.*?\.(whl|zip|tar\.gz)$ 10080 90% 43200 reload-into-ims
 
@@ -31,6 +35,7 @@ cache_mem 200 MB
 maximum_object_size 1024 MB
 
 # Configure logs
+strip_query_terms off
 cache_log /var/log/squid/cache.log
 access_log /var/log/squid/access.log squid
 cache_store_log none