{
  "id": "starter-notebook",
  "title": "SFCR Starter Notebook",
  "metadata": { "version": 1, "template": "starter" },
  "cells": [
    { "id": "intro", "type": "markdown", "title": "Overview", "source": "Use this starter notebook as the minimum valid scaffold for new SFCR models. Replace placeholder equations, externals, and initial values with your model-specific content." },
    {
      "id": "balance-sheet",
      "type": "matrix",
      "title": "Starter balance sheet",
      "sourceRunCellId": "baseline-run",
      "columns": ["Households", "Government", "Sum"],
      "sectors": ["Households", "Government", ""],
      "rows": [
        { "band": "Deposits", "label": "Money deposits", "values": ["+Y", "-Y", "0"] },
        { "band": "Sum", "label": "Sum", "values": ["0", "0", "0"] }
      ],
      "description": "Minimal balance-sheet style matrix for the starter notebook. Replace sector labels and row formulas with your model structure."
    },
    {
      "id": "transaction-flow",
      "type": "matrix",
      "title": "Starter transactions-flow matrix",
      "sourceRunCellId": "baseline-run",
      "columns": ["Households", "Government", "Sum"],
      "sectors": ["Households", "Government", ""],
      "rows": [
        { "band": "Income", "label": "Income", "values": ["+Y", "-Y", "0"] },
        { "band": "Spending", "label": "Government spending", "values": ["-G", "+G", "0"] },
        { "band": "Sum", "label": "Sum", "values": ["0", "0", "0"] }
      ],
      "description": "Minimal transactions-flow matrix for the starter notebook. Expand this into the accounting layout your model requires."
    },
    { "id": "transaction-flow-sequence", "type": "sequence", "title": "Starter transaction flow sequence", "source": { "kind": "matrix", "matrixCellId": "transaction-flow" }, "description": "Sequence view generated from the starter transactions-flow matrix." },
    { "id": "equation-dependency-graph", "type": "sequence", "title": "Starter equation dependency graph", "source": { "kind": "dependency", "modelId": "main-model", "showAccountingStrips": true, "showExogenous": false }, "description": "Dependency view of the starter equations organized by accounting strips." },
    {
      "id": "equations-main",
      "type": "equations",
      "title": "Model equations",
      "modelId": "main-model",
      "equations": [
        { "id": "eq-0-y", "name": "Y", "expression": "G" }
      ]
    },
    { "id": "solver-main", "type": "solver", "title": "Solver options", "modelId": "main-model", "options": { "solverMethod": "NEWTON", "toleranceText": "1e-10", "maxIterations": 100, "defaultInitialValueText": "1e-15", "hiddenLeftVariable": "", "hiddenRightVariable": "", "hiddenToleranceText": "1e-8", "relativeHiddenTolerance": false } },
    {
      "id": "externals-main",
      "type": "externals",
      "title": "Externals",
      "modelId": "main-model",
      "externals": [
        { "id": "ext-0-g", "name": "G", "kind": "constant", "valueText": "20" }
      ]
    },
    {
      "id": "initial-values-main",
      "type": "initial-values",
      "title": "Initial values",
      "modelId": "main-model",
      "initialValues": [
        { "id": "init-0-y", "name": "Y", "valueText": "20" }
      ]
    },
    { "id": "baseline-run", "type": "run", "title": "Baseline run", "mode": "baseline", "periods": 20, "resultKey": "baseline_result", "sourceModelId": "main-model", "description": "Baseline run for the starter scaffold." }
  ]
}