Preview a non-executing External Source Scaffold release-decision suite

Compiles a non-executing owner-gated release-decision suite from release-candidate packets or nested release-candidate inputs plus owner-supplied approve, hold, or reject decision records. The response exposes per-workstream release-decision checklists, blockers, release-candidate status, owner decision summaries, and next actions while keeping release decision execution, release executor dispatch, PR merge, owner release approval by helper, production release, production smoke execution, and docs/public discovery mutation disabled. This preview writes no records and cannot execute implementation, run production smoke, release production, publish public discovery, mutate routes, mutate Seller OS, mutate trust/ranking, activate or mutate x402, move wallets, settle, dispatch providers, run browser automation, write or promote memory, perform live finance actions, or expose private Full ECF payloads.