Lint

Ignore .claude/scheduled_tasks.lock #7732

Job	Run time
build (3.13, ubuntu-latest, manual)	52s
build (3.13, windows-latest, pre-commit)	2m 8s
build (3.13, ubuntu-latest, pre-commit)	51s
build (3.13, windows-latest, manual)	1m 51s
build (3.13, ubuntu-latest, pre-push)	3m 29s
build (3.13, windows-latest, pre-push)	4m 48s
completion-lint	2s
	14m 1s

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