Chore/9.0 typescript 7#635

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nartc wants to merge 74 commits into

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chore/9.0-typescript-7

Commits on Jun 19, 2026

chore(repo): pin toolchain to node 22 + pnpm 8.15.9

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chore(repo): migrate nx 15 -> 16

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claude
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chore(repo): migrate nx 16 -> 19, TypeScript 4.9 -> 5.4

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claude
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chore(repo): migrate nx 19 -> 22 + replace bundler with tsdown

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claude
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chore(repo): per-package tsdown build targets, drop @nx/rollup

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claude
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perf(core): rewrite set() as index-walk, drop per-level alloc

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claude
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perf(core): remove dead hasNullMetadata scan in map()

nartc
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fix(core): guard isDateConstructor against nullish input

nartc
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perf(core): compute shouldRunImplicitMap lazily in mapMember

nartc
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claude
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Commits on Jun 20, 2026

Commits on Jun 21, 2026

Commits on Jun 22, 2026

Commits on Jun 23, 2026

Commits on Jun 24, 2026

feat(core): improve logger configuration
nartc
committed

Commits on Jun 26, 2026

Commits on Jul 10, 2026