RepoGuardian RHD v5.1 end-to-end repository analysis workflow.\n\n- Public chat-first repository analysis via persisted serverless DeploymentJob.\n- GitHub source tree/file sync, code document indexing, architecture inference, and persisted SVG/Mermaid artifacts.\n- Follow-up chat uses selected repository/session context; reload restores persisted architecture.\n- Public validation completed on https://repoguardian-rhd.vercel.app with RepoGuardian-Demo and second-repository isolation checks.