Minor cleanups: interceptors and OpenAI Agents SDK #885

Job	Run time
build-lint-test (3.10, macos-arm)	5m 24s
build-lint-test (3.10, macos-intel)	5m 44s
build-lint-test (3.13, macos-intel)	8m 14s
build-lint-test (3.10, windows-latest)	5m 57s
build-lint-test (3.13, macos-arm)	6m 44s
build-lint-test (3.13, ubuntu-latest)	8m 20s
build-lint-test (3.13, windows-latest)	10m 0s
build-lint-test (3.10, ubuntu-latest)	5m 20s
	55m 43s

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