{
  "id": "decision-tradeoff-explorer",
  "title": "Decision Tradeoff Explorer",
  "tagline": "Show when a different priority changes the preferred option.",
  "summary": "Help a community team compare practical project options using a user-supplied criteria table and supporting notes. Apply explicit constraints, weighted scores and sensitivity analysis, keep missing values visible, and export an interactive HTML decision board and a reusable decision record.",
  "level": 3,
  "source": "core",
  "status": "ready",
  "hours": 8,
  "languages": [
    "TypeScript"
  ],
  "author": {
    "name": "AI Engineering from Scratch",
    "github": "rohitg00"
  },
  "youWillBuild": "An interactive tradeoff board, criteria.csv and decision-record.json",
  "prerequisiteProjects": [
    "csv-sql-question-workbench",
    "chart-storyboard-builder"
  ],
  "demo": {
    "command": [
      "node",
      "--experimental-strip-types",
      "cli.ts"
    ],
    "cwd": "solution"
  },
  "stages": [
    {
      "id": "01-declare-evidence",
      "title": "Declare options and evidence",
      "summary": "Make ranges, constraints and uncertainty explicit.",
      "hours": 2,
      "language": "typescript",
      "difficulty": "starter",
      "concepts": [
        "typed JSON",
        "source notes",
        "unknowns"
      ],
      "timeout": 120,
      "figure": "pj-decision-tradeoff-explorer-1"
    },
    {
      "id": "02-normalize-and-score",
      "title": "Compute comparable scores",
      "summary": "Normalize units without hiding missing values or hard constraints.",
      "hours": 2,
      "language": "typescript",
      "difficulty": "core",
      "concepts": [
        "fixed ranges",
        "weighted sum",
        "constraints"
      ],
      "timeout": 120,
      "figure": "pj-decision-tradeoff-explorer-2"
    },
    {
      "id": "03-sweep-preferences",
      "title": "Explore sensitivity and dominance",
      "summary": "Find when a preference change reverses the ranking.",
      "hours": 2,
      "language": "typescript",
      "difficulty": "core",
      "concepts": [
        "Pareto dominance",
        "sensitivity",
        "tie order"
      ],
      "timeout": 120,
      "figure": "pj-decision-tradeoff-explorer-3"
    },
    {
      "id": "04-export-board",
      "title": "Export the chosen scenario",
      "summary": "Make the board produce a reusable decision record.",
      "hours": 2,
      "language": "typescript",
      "difficulty": "core",
      "concepts": [
        "HTML output",
        "CSV",
        "downloaded evidence"
      ],
      "timeout": 120,
      "figure": "pj-decision-tradeoff-explorer-4"
    }
  ],
  "demos": [
    {
      "gif": "media/run.gif",
      "poster": "media/run.png",
      "title": "Initialize and grade",
      "caption": "Recorded starter failure followed by every reference stage passing."
    },
    {
      "gif": "media/output.gif",
      "poster": "media/output.png",
      "title": "Inspect actual output",
      "caption": "Recorded interaction with the generated local interface. Run the documented command to inspect your own output."
    }
  ]
}