Fix None filtering, scope serialization, and Assignment RHS scoping#3

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revarbat merged 3 commits intoscopingfrom

copilot/sub-pr-2

Mar 19, 2026

Commits on Mar 19, 2026

Initial plan
Copilot
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Fix three review issues: None filtering in builder, scope serialization exclusion, Assignment RHS pre-assignment scope

Copilot
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revarbat
committed
Fix Assignment.build_scope() to always use parent_scope for RHS (function literals are closures, lazy-evaluated)

Copilot
and
revarbat
committed