fix: deep clone scope in FunctionEnvironment to prevent variable leak…#5339

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yush-1018 wants to merge 3 commits intoboa-dev:mainfrom

yush-1018:fix/eval-variable-leakage

Commits on Apr 18, 2026

fix: deep clone scope in FunctionEnvironment to prevent variable leakage across eval invocations (#5332)
yush-1018
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Commits on Apr 20, 2026

fix(macros): collapse nested if into match guard to fix clippy::collapsible_match
yush-1018
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fix(macros): use allow attribute for collapsible_match instead of match guard (mutation not allowed in guards)
yush-1018
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