use fields and fix precommit #530

Job	Run time
list-examples	10s
check-export (clock)	55s
check-export (ag_grid_finance)	1m 30s
check-export (data_visualisation)	1m 11s
check-export (basic_crud)	1m 1s
check-export (azure_auth)	1m 2s
check-export (github-stats)	1m 3s
check-export (dalle)	1m 1s
check-export (json-tree)	1m 1s
check-export (flux-fast)	1m 7s
check-export (form-designer)	1m 19s
check-export (linkinbio)	1m 6s
check-export (local-component)	1m 0s
check-export (quiz)	48s
check-export (overkey)	53s
check-export (nba-proxy)	1m 59s
check-export (nba)	2m 3s
check-export (reflexle)	1m 0s
check-export (todo)	1m 5s
check-export (lorem-stream)	45s
check-export (translator)	1m 1s
check-export (traversal)	1m 3s
check-export (snakegame)	56s
check-export (twitter)	55s
check-export (upload)	54s
check-export (counter)	51s
	27m 39s

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