HarnessKit v1.5.2

✨ Highlights

• Refined agent filter colors — Extensions agent filters now use calmer, brand-tuned fills.
• Cleaner audit card hover — expanded Security Audit cards no longer show a rounded gap against the header divider.

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What's Changed

• docs: clarify dependency sync workflow in CONTRIBUTING by @RealZST in #71
• style(extensions): retune agent filter colors off semantic status hues by @RealZST in #72
• style(audit): smooth expanded card hover edge by @Orchardxyz in #73

Full Changelog: v1.5.1...v1.5.2