Trailmark Variant Neighborhood Expand one seed issue into graph-derived variant candidates. This skill generates review targets, not confirmed findings. When to Use - A finding is confirmed or plausible and variants may exist - The vulnerable pattern depends on call context - The issue involves a shared sink, source, validator, interface, override, trait, hook, handler, adapter, or critical type - The next step is to seed , , , or manual review When NOT to Use - No seed issue exists. Use discovery or triage first. - The pattern is purely syntactic and already obvious. Use directly. - The ques…