Cross check specs against typesystem inferred types#15559

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lukaszsamson wants to merge 9 commits into

elixir-lang:mainfrom

lukaszsamson:ls-typespec-tightening

Commits on Jul 9, 2026

Add CI check comparing @specs against inferred type signatures

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Slim spec comparison script down to pure static analysis

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Fix remote type argument scoping and gate untranslatable specs

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Compute verdicts via the checker's own application rule

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Expose tightening hints in JSON and fix prompt-mode staleness

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Type check function bodies against their spec-derived domains

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Keep full body-check diagnostics and document them in prompt mode

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Route no_return mismatches to review and label union domains

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Record why spec'd functions have no inferred signature

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