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codegraph/__tests__
Colby McHenryandClaude Opus 5 5b0c4b8b93 fix(resolution): trait dispatch reaches union implementors (#1515)
Making unions first-class nodes leaves the third loss in #1515 open:
interfaceOverrideEdges enumerates its concrete side as ['class','struct'],
so a union implementor is skipped even though it now has a real node and a
real `implements` edge. "Who implements this trait" then answers wrongly
rather than incompletely — the struct beside it bridges and the union does
not.

Add 'union' to that tuple, plus a regression test that pins the Rust
trait -> union-impl hop (the struct implementor is the control proving the
synthesizer ran). Verified the test fails on the union assertion alone
before this change.

No EXTRACTION_VERSION bump: main is already at 25 against v1.5.0's 24, so
existing indexes are flagged stale for the next release regardless, and
over-bumping is what turns the re-index hint into noise.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-07 21:23:06 -05:00
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