Clarify execution context for LangGraph tasks (#305) #1209

Job	Run time
build-lint-test (3.10, macos-arm)	6m 59s
build-lint-test (3.10, macos-intel)	7m 46s
build-lint-test (3.14, macos-intel)	15m 16s
build-lint-test (3.10, windows-latest)	8m 32s
build-lint-test (3.10, ubuntu-latest)	6m 6s
build-lint-test (3.14, macos-arm)	8m 35s
build-lint-test (3.14, ubuntu-latest)	8m 55s
build-lint-test (3.14, windows-latest)	11m 37s
	1h 13m 46s

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