{
  "id": "phi-os-functor-metrics-space",
  "title": "PHI|OS Functor Metrics Space",
  "purpose": "Placeholder surface for future functor and hypergraph metrics-space computation across nested PHI|OS scales.",
  "status": "placeholder",
  "plannedAxes": [
    "morphism_stability",
    "invariant_retention",
    "bridge_density",
    "noise_load",
    "sparsity_focus",
    "topology_drift",
    "authenticity_score"
  ],
  "plannedTypes": [
    "FunctorMetricSpace<Domain, Morphism, Metric, Invariant>",
    "HypergraphMetric<Node, HyperEdge, Flow, Drift>",
    "ScaleEcho<Unit, Series, Validation, Improvement>"
  ],
  "todo": [
    "Bind metric computation to live composer card transitions.",
    "Attach hypergraph edge scoring and success series to operator BI.",
    "Map local, cluster, and global scale echoes into one validation field."
  ]
}