{
  "id": "just-in-time.threshold",
  "term": "just in time",
  "sense": "threshold",
  "pos": "noun",
  "status": "review",
  "level": 15,
  "domain": "operational_resilience",
  "style": "folk",
  "definition": "A parameter that has drifted so close to a wall that any further change will push it outside the window, making maintenance impossible despite appearing sufficient until the moment it fails.",
  "folk_gloss": "Happening at the right moment, not early or late.",
  "emergence": {
    "components": [
      "parameter.condition",
      "drift.aimless",
      "wall.range-end",
      "maintenance.upkeep",
      "window.range",
      "margin.spatial"
    ],
    "interaction": "The phrase reports a system operating with zero margin, where optimization has eliminated buffer and left no room for drift—thus the wall is near and the window is closing.",
    "novel_properties": [
      "temporal_precision_as_vulnerability",
      "efficiency-induced_fragility"
    ]
  },
  "examples": [],
  "relations": [],
  "used_by": [],
  "forms": [
    "just in time"
  ],
  "closed": false,
  "provenance": {
    "author": "phrases:qwen/qwen3-235b-a22b-2507",
    "date": "2026-07-29",
    "confidence": 0.7,
    "sources": [
      "folk phrase — margin eaten by optimization"
    ]
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-just-in-time.threshold"
}