Autopoietic Session: Autopoetic Seed Loop

The system starts from one evidence-backed node and scaffolds itself into a route/API pair.

• Select a canonical node with lineage depth.
• Infer nearest contradiction and required clarifier.
• Define minimum viable branch and observability metric.

GET /api/xanadu/node/city-food-loops
GET /api/summary
Record delta to docs/XANADU_USAGE_LOG.md