{
  "$schema": "https://www.triadicframeworks.org/schemas/rtt_engine_module.schema.json",
  "$generated": "2026-08-03T09:53:00",
  "$version": "1.4",
  "$round": "R5",
  "identity": {
    "name": "Structural Faultline Detector",
    "canonical_id": "STRUCTURAL_FAULTLINE_DETECTOR",
    "module_path": "docs/rtt/Structural_Faultline_Detector",
    "category": "RTT Engine",
    "version": "RTT/2",
    "status": "Active Canonical"
  },
  "purpose": {
    "summary": "Locates and scores latent fracture planes (SCS 0.0–1.0) across system architecture via IPD-12 decomposition; primary engine of the Structural Overlay.",
    "detail": "The SFD is the first engine to run in every S3 Spine diagnostic sequence. It receives raw system input and applies IPD-12 decomposition to identify latent fracture planes — structural weaknesses that may not yet have manifested as visible failures. Each faultline is scored on the Structural Criticality Scale (SCS, 0.0–1.0): SCS < 0.3 = latent, 0.3–0.6 = active, 0.6–0.8 = critical, > 0.8 = failure-imminent. The SFD then registers the Structural Frame (the full list of faultline locations, scores, and geometry) on the S3 Spine bus, making it available to all downstream overlays."
  },
  "rtt": {
    "rtt_level": 1,
    "coherence": "declared",
    "drift": "bounded",
    "paradox": "structural"
  },
  "spine_assignments": {
    "primary_overlay": "spine-structural",
    "cross_overlay_appearances": [
      "spine-substrate"
    ],
    "pack": "spine-overlay-pack"
  },
  "operators": {
    "primary": [
      "SFD-Detect",
      "SFD-Score",
      "SFD-Map",
      "SFD-Register",
      "SFD-Boundary"
    ],
    "secondary": [
      "SFD-Validate",
      "SFD-Emit",
      "SFD-Audit"
    ]
  },
  "analyzer_layer": {
    "layer": "RTT Technology Layer",
    "sub_layers": [
      "RTT/2 Core",
      "RTT/2 Detection"
    ]
  },
  "files": {
    "core": [
      "Structural_Faultline_Detector.md",
      "Structural_Faultline_Detector_spec.md"
    ],
    "support": [
      "operators.md",
      "signal_flow.md",
      "metrics.md"
    ],
    "ai": [
      "module.json"
    ]
  },
  "ai": {
    "ai_ready": true,
    "ai_module_id": "STRUCTURAL_FAULTLINE_DETECTOR",
    "ai_keywords": [
      "faultlines",
      "SCS",
      "Structural Criticality Scale",
      "structural frame",
      "fracture planes",
      "IPD-12",
      "latent failure",
      "load-bearing",
      "RTT engine",
      "S3 Spine",
      "TriadicFrameworks",
      "RTT/2"
    ],
    "ai_purpose": "Locates and scores latent fracture planes (SCS 0.0–1.0) across system architecture via IPD-12 decomposition; primary engine of the Structural Overlay.",
    "ai_operators": [
      "SFD-Detect",
      "SFD-Score",
      "SFD-Map",
      "SFD-Register",
      "SFD-Boundary",
      "SFD-Validate",
      "SFD-Emit",
      "SFD-Audit"
    ],
    "ai_audience": [
      "developers",
      "researchers",
      "AIs",
      "analysts"
    ]
  }
}