Entry point for SpecsGraph work. Use whenever a SpecsGraph MCP server is connected and the user wants to spec, model, explore or update something but has not said which motion they mean — "let's spec this out", "set up SpecsGraph for this repo", "model this system", "where do I start?". Reads the project (empty or populated, feature-heavy or model-heavy, codebase present or not) and hands over to specsgraph-engineer, specsgraph-product or specsgraph-brownfield with the context already gathered. Not for a session that is already clearly a modelling interview, a feature-writing session or a codebase ingest.
