Security intelligence for the agent supply chain

Use when querying or extending GitNexus's PDG control/data-dependence surface (the `pdg_query` MCP tool, CDG/REACHING_DEF edges), or reasoning about "what controls X" / "where does Y flow" / guard clauses. Examples: "what guards this statem

Review code changes with GitNexus from a GitHub PR URL or number, a branch/ref or commit range, or local staged, unstaged, and untracked changes. Use when the user asks for a code review, merge-risk assessment, regression hunt, missing-test

ABP Multi-Tenancy - IMultiTenant interface, CurrentTenant, CurrentTenant.Change(), DataFilter.Disable(IMultiTenant), tenant resolution order, database-per-tenant. Use when working with multi-tenant features, tenant-specific data isolation,