Implement `AccessoryDecimalIntegerStringType::tryRemove()` and preserve accessories when re-unioning `'0'`#5816

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Commits on Jun 7, 2026

Implement `AccessoryDecimalIntegerStringType::tryRemove()` and preserve accessories when re-unioning `'0'`

phpstan-bot
authored and
staabm
committed
Assert removing '0' from numeric-string yields numeric-string&non-falsy-string

authored and
staabm
committed
Add numeric-string narrowing and uppercase/lowercase round-trip tests for removing '0'

authored and
staabm
committed
Drop duplicate numeric-string narrowing test after rebase

authored and
staabm
committed
simplify
staabm
committed
simplify
staabm
committed
simplify
staabm
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Use Type::getConstantStrings() instead of instanceof in accessory tryRemove()

phpstan-bot
and
claude
committed
Revert "Use Type::getConstantStrings() instead of instanceof in accessory tryRemove()"
staabm
committed