Scaffold a complete Obsidian Agent definition from a role + goal brief. Returns a markdown document with: frontmatter (tags, status, last-run, next-action), Role, Goal, Tools list, numbered Process steps, Success criteria, Invocation prompt, and Hermes coordination notes. Fitted to the Vault Pro 70-Templates/Agent-Template.md structure. Useful for AI orchestrators that need to register a new specialized agent.