Internal downstream skill for ctf-sandbox-orchestrator. CTF-sandbox workflow for GraphQL schemas, persisted queries, RPC manifests, generated clients, OpenAPI drift, hidden operations, and contract-to-handler…

Agent skill published as a SKILL.md in zhaoxuya520/reverse-skill (folder CTF-Sandbox-Orchestrator/competition-graphql-rpc-drift). Install it with one command using the open skills CLI, or copy the folder into ~/.claude/skills/.