fix(light): stop witness comparison after divergence checks (#5820)#8
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…#5820) Return immediately when a witness reports conflicting headers or proposer-priority divergence so the detector cannot treat a mismatch as a valid match. Add a detector test that keeps header hashes equal while diverging proposer priorities to verify ErrProposerPrioritiesDiverge is returned. --- - [x] Tests written/updated - [x] Changelog entry added in `CHANGELOG.md` - [x] Updated relevant documentation (`docs/` or `spec/`) and code comments --------- Co-authored-by: Matt Acciai <matt@cosmoslabs.io>
kostko
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Jun 5, 2026
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