-- camelCase dot-access on records parsed from real-world JSON (NVD, AWS, Stripe, GitHub).
sev j:t>R n t;r=jpar! j;r.baseSeverity
url j:t>R n t;r=jpar! j;r.gitURL
chained j:t>R n t;r=jpar! j;r.baseSeverity.label
-- run: sev {"baseSeverity":"HIGH"}
-- out: HIGH
-- run: url {"gitURL":"https://x"}
-- out: https://x
-- run: chained {"baseSeverity":{"label":"low"}}
-- out: low