{
  "schema": "org-writing@v1",
  "slug": "below-threshold-design",
  "kg": {
    "id": "org:writing:below-threshold-design",
    "type": "brick",
    "graph": "/kg.json"
  },
  "title": "Below-threshold design",
  "subtitle": "Autonomy is a capability to grant only where the work needs it",
  "abstract": "A constructive discipline for granting autonomous choice only where the work requires it, from machine-guarding interlocks to a tutor that withholds answers.",
  "kind": "brick",
  "topics": [
    "Safety"
  ],
  "courseMemberships": [
    {
      "course": "org:courses:safety",
      "topic": "Safety",
      "wall": "org:walls:engineering",
      "position": 10,
      "total": 11
    }
  ],
  "publishedAt": "2026-08-03T00:00:00.000Z",
  "updatedAt": "2026-08-20T00:00:00.000Z",
  "version": 2,
  "guidelinesVersion": 16,
  "brief": {
    "problem": {
      "text": "Builders often add initiation, persistence, tool access, and freedom to choose as general signs of progress, even when the work needs none of them.",
      "claims": [
        "largely eliminated the learning harm"
      ]
    },
    "mechanism": {
      "text": "A capability withheld by construction needs no trust and carries no promise, like the press that cannot cycle while hands are in the die.",
      "claims": [
        "keep both of the operator's hands"
      ]
    },
    "move": {
      "text": "Grant only the latitude the work requires, then keep reach, persistence, tool access, and resistance to interruption as narrow as the task allows.",
      "claims": []
    }
  },
  "sources": [
    {
      "repo": "mnstry-org",
      "path": "src/content/writing/the-agency-threshold.md"
    }
  ],
  "canonicalPath": "/writing/below-threshold-design/",
  "body": "Below-threshold does not mean passive. A thermostat acts on a heating system, and a payroll service acts on accounts. The phrase names a design posture instead: the work does not require the system to choose its own route, initiate beyond a standing instruction, persist after the task, reach more tools, or resist interruption.\n\nInitiation, persistence, tool access, and freedom to choose are often treated as a tide that rises on its own schedule. A system becomes more capable, then more autonomous, and the builder merely watches the water. Software does not acquire reach or persistence by weather. Someone connects the tool, grants the memory, widens the permission, or lets the process continue without a person present.\n\nIndustrial safety engineering settled the underlying principle long before software. A mechanical press can take a hand in a fraction of a second. Training and signage leave safety dependent on attention. A two-hand control changes the machine instead: it cannot cycle unless both of the operator's hands are occupied on buttons away from the die. The dangerous state is unreachable. A capability withheld by construction needs no trust and carries no promise.\n\nA study of machine tutoring makes the design difference measurable. The same model that harmed learning when it supplied answers largely stopped causing that harm when the product withheld the answer and scaffolded the student's attempt. The model's capability did not change. The shape of the product changed what that capability could do.\n\nBelow-threshold design applies the same discipline to autonomy. Work that needs a system to route around an obstacle may justify latitude over the route. Work that follows a known sequence does not. The builder grants only the freedom the task requires, then keeps initiation, persistence, tool access, reach, and resistance to interruption as narrow as the work allows.\n\nBounded autonomy is not a choice to fall behind. It preserves the ability to demand tool-grade predictability where the work does not need autonomous choice. A system can still act below the threshold. It simply acts within a course a person chose and remains easy to stop, inspect, and correct.",
  "apparatus": {
    "note": "The human-facing essay is deliberately practical; this apparatus carries the full references, evidence-graded claims, article-local concepts, and research context behind it. Canonical concept definitions come from the concept registry.",
    "references": [
      {
        "id": "org:references:below-threshold-design:r01",
        "author": "US Occupational Safety and Health Administration",
        "work": "Machine guarding standards for mechanical power presses (29 CFR 1910.217), two-hand control requirements",
        "year": 1974,
        "relevance": "The engineering precedent: a dangerous state made unreachable by construction rather than governed by training or trust."
      },
      {
        "id": "org:references:below-threshold-design:r02",
        "author": "Hamsa Bastani, Osbert Bastani, Alp Sungu, Haosen Ge, Özge Kabakcı, Rei Mariman",
        "work": "Generative AI without guardrails can harm learning, evidence from high school mathematics (PNAS)",
        "year": 2025,
        "relevance": "The measured example of product shape changing the effect of an unchanged model capability."
      }
    ],
    "claims": [
      {
        "id": "org:claims:below-threshold-design:c01",
        "claim": "Two-hand control requirements in machine-guarding standards keep both of the operator's hands occupied away from the point of operation while the machine cycles, making the injury state unreachable.",
        "basis": "29 CFR 1910.217 and the machine-guarding literature.",
        "confidence": "verified",
        "sources": []
      },
      {
        "id": "org:claims:below-threshold-design:c02",
        "claim": "A tutored variant of the same model, with prompts that withheld answers and scaffolded attempts, largely eliminated the learning harm.",
        "basis": "The GPT Tutor arm of the same study. Restated verbatim from the crutch-effect apparatus and graded identically.",
        "confidence": "verified",
        "sources": []
      }
    ],
    "concepts": [
      {
        "id": "org:concepts:below-threshold-design",
        "name": "Below-threshold design",
        "definition": "Granting autonomous latitude only where the work requires it, while keeping initiation, persistence, tool access, reach, and resistance to interruption as narrow as the task allows. A below-threshold system may still act within a human-chosen course.",
        "provenance": "canonical"
      }
    ],
    "researchContext": "Extracted from \"The agency threshold.\" This brick owns the constructive\ndiscipline: grant autonomous latitude only where the work needs it, then\nwithhold reach, persistence, tool access, and resistance to interruption where\nit does not. Below-threshold no longer means non-actor. A tool can act while\nremaining fully bounded by a human-chosen course.\n\nThe two-hand-control precedent and tutor-arm claim retain their earlier grades.\nThe tutor-arm claim is restated verbatim from the crutch-effect apparatus so\nboth apparatus files grade the same statement identically."
  },
  "contract": "https://mnstry.org/contracts/org/org-writing.v1.schema.json",
  "releaseHash": "bec5d3958aa5743980835428d982cad673a2001927becf87160dfd456f9c24d3",
  "versions": [
    {
      "version": 2,
      "cutAt": "2026-08-20",
      "note": "Founder-approved agency-threshold semantic migration",
      "visibility": "published",
      "path": "/writing/below-threshold-design/",
      "contentHash": "sha256:1205f5e991094b73",
      "releaseHash": "bec5d3958aa5743980835428d982cad673a2001927becf87160dfd456f9c24d3"
    },
    {
      "version": 1,
      "cutAt": "2026-08-03",
      "note": "Initial publication, in-org quick wins",
      "visibility": "published",
      "path": "/writing/below-threshold-design/v/1/",
      "contentHash": "sha256:aa05237326ff3607"
    }
  ]
}