Port `--isolatedModules` and related node builder logic#1693

Draft

weswigham wants to merge 14 commits intomicrosoft:mainfrom

weswigham:isolated-modules-related

Commits on Oct 22, 2025

Commits on Oct 23, 2025

More complete psuedo-accessor-type ID inference to better match strada behavior
weswigham
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Non-expression positions need to fallback to declaration types rather than expression ones so widening is handled correctly
weswigham
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More correct fallback behaviors for declaration types
weswigham
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Rework const context handling to defer psuedotype selection until checker data is ready, reducing literal expression diffs
weswigham
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Merge branch 'main' into isolated-modules-related
weswigham
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Fix printback for parsed mapped type nodes to not have doubled-up whitespace
weswigham
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Fix local symbol tracking in reused nodes
weswigham
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Commits on Oct 28, 2025

Merge branch 'main' into isolated-modules-related
weswigham
committed