Add ES2024/ES2025 polyfills with fixes for reduce bug, groupBy prototype safety, and iterator resilience#105

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mattcosta7 merged 3 commits intomainfrom

copilot/fix-iterator-reduce-polyfill-bug

Feb 20, 2026

Commits on Feb 20, 2026

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Add ES2024/ES2025 polyfills with fixes for reduce, groupBy prototype safety, and iterator resilience

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mattcosta7
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Address all 4 review comments: CSP-safe getIteratorPrototype, primitive iterables in iteratorFrom, complete isPolyfilled check, string Iterator.from test

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mattcosta7
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