s3api: fix static IAM policy enforcement after reload (#8532)

* s3api: honor attached IAM policies over legacy actions

* s3api: hydrate IAM policy docs during config reload

* s3api: use policy-aware auth when listing buckets

* credential: propagate context through filer_etc policy reads

* credential: make legacy policy deletes durable

* s3api: exercise managed policy runtime loader

* s3api: allow static IAM users without session tokens

* iam: deny unmatched attached policies under default allow

* iam: load embedded policy files from filer store

* s3api: require session tokens for IAM presigning

* s3api: sync runtime policies into zero-config IAM

* credential: respect context in policy file loads

* credential: serialize legacy policy deletes

* iam: align filer policy store naming

* s3api: use authenticated principals for presigning

* iam: deep copy policy conditions

* s3api: require request creation in policy tests

* filer: keep ReadInsideFiler as the context-aware API

* iam: harden filer policy store writes

* credential: strengthen legacy policy serialization test

* credential: forward runtime policy loaders through wrapper

* s3api: harden runtime policy merging

* iam: require typed already-exists errors

weed/query/engine/broker_client.go

@@ -284,7 +284,7 @@ func (c *BrokerClient) GetTopicSchema(ctx context.Context, namespace, topicName
 		}
 
 		// Read the topic.conf file content
-		data, err := filer.ReadInsideFiler(client, topicDir, "topic.conf")
+		data, err := filer.ReadInsideFiler(ctx, client, topicDir, "topic.conf")
 		if err != nil {
 			return fmt.Errorf("failed to read topic.conf for %s.%s: %v", namespace, topicName, err)
 		}