validate hinted attributes on subcontrollers #1345

Job	Run time
lint / run	1m 7s
docs / build	1m 13s
dist / build	47s
test (ubuntu-latest, 3.12) / run	1m 17s
helm / Package and Push Helm Chart	11s
test (ubuntu-latest, 3.11) / run	1m 26s
test (ubuntu-latest, 3.13) / run	1m 24s
test (ubuntu-latest, dev) / run	1m 26s
pypi	-1s
release	-1s
	8m 49s

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