umodel-query

Read from a UModel object-graph semantic layer with the umctl CLI (MCP alternative noted). Three kinds of read: (1) entities & relationships / topology (.entity, .topo) and (2) the model itself (.umodel, and .entity_set methods, including entity-linked list_skills) return real rows; (3) metrics & logs (get_metrics / get_logs) return an executable *plan* — PromQL / Elasticsearch DSL with the entity id pre-substituted…