Fix Var hashing to prevent silent data loss and enable hashability - #7015

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claude/var-eq-dict-keying-kab2pp

Commits on Sep 1, 2026

fix: derive Var hashing from a single Var-free identity key
claude
committed
9b0c47c
chore: name news fragment after the PR
claude
committed
daf6fdf
test: pin numeric literal hashability as a regression test
claude
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8336f9b