Minor cleanups: interceptors and OpenAI Agents SDK #799

Job	Run time
build-lint-test (3.12, ubuntu-latest)	5m 30s
build-lint-test (3.9, macos-intel)	8m 3s
build-lint-test (3.9, ubuntu-latest)	5m 35s
build-lint-test (3.12, macos-intel)	6m 8s
build-lint-test (3.12, macos-arm)	5m 18s
build-lint-test (3.12, windows-latest)	6m 5s
build-lint-test (3.9, windows-latest)	5m 57s
build-lint-test (3.9, macos-arm)	7m 11s
	49m 47s

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