{
  "meta": {
    "scenario": "Tomás's governance dashboard: fifteen-visual dense page vs seven-visual decluttered rebuild",
    "chapter": "Chapter 5 - Focus and Decluttering",
    "book_figure": "Figure 5.3",
    "book_figure_svg": "assets/figures/05-tomas-before-after.svg",
    "domain": "Data-governance program reporting",
    "synthetic": true,
    "narrative_purpose": {
      "before": "The fifteen-visual dashboard Tomás built on Friday afternoon: KPI cards, trend lines, treemaps, heatmaps, donut charts, a map. Every visual accurate; every visual technically in the right family. The CDO cannot find the funding decision on the page.",
      "after": "The seven-visual dashboard Tomás ships to the audit committee after running the decluttering pass: four core visuals + three load-bearing supporting + a page header carrying the Big Idea. The funding-comparison chart puts the accented bar in the first landing zone."
    }
  },
  "big_idea": "The data-governance program has funded three of eight compliance domains; the remaining five each need reinvestment above their current allocation to close the compliance-completion gap.",
  "before_visual_inventory": [
    {
      "id": 1,
      "kind": "kpi_card",
      "content": "Governance maturity index (composite score)",
      "verdict": "remove",
      "reason": "Composite indices without a comparison read as a floating number"
    },
    {
      "id": 2,
      "kind": "kpi_card",
      "content": "Total domains covered (8 of 8)",
      "verdict": "remove",
      "reason": "Same 8 of 8 for two years; carries no signal"
    },
    {
      "id": 3,
      "kind": "kpi_card",
      "content": "Open findings (current)",
      "verdict": "keep",
      "reason": "Load-bearing supporting metric; audit committee tracks the trailing number"
    },
    {
      "id": 4,
      "kind": "kpi_card",
      "content": "Findings closed this quarter",
      "verdict": "remove",
      "reason": "Repeats the open-findings delta; two cards for one movement"
    },
    {
      "id": 5,
      "kind": "kpi_card",
      "content": "Days since last critical finding",
      "verdict": "remove",
      "reason": "Vanity metric; not tied to the funding decision"
    },
    {
      "id": 6,
      "kind": "trend_line",
      "content": "Governance maturity index over 8 quarters",
      "verdict": "remove",
      "reason": "Composite trend; same drawback as its card"
    },
    {
      "id": 7,
      "kind": "trend_line",
      "content": "Open findings over 8 quarters",
      "verdict": "keep",
      "reason": "Shows the audit-committee-relevant slope; load-bearing"
    },
    {
      "id": 8,
      "kind": "trend_line",
      "content": "Training completion rate over 8 quarters",
      "verdict": "remove",
      "reason": "Belongs on the HR / L&D dashboard, not this one"
    },
    {
      "id": 9,
      "kind": "trend_line",
      "content": "Data-quality score by domain over 8 quarters",
      "verdict": "remove",
      "reason": "Cross-domain small-multiples of a proxy metric; not needed for the funding call"
    },
    {
      "id": 10,
      "kind": "treemap",
      "content": "Data assets under governance by domain and system",
      "verdict": "remove",
      "reason": "Reference-lookup use case; move to the archive page"
    },
    {
      "id": 11,
      "kind": "heatmap",
      "content": "Findings by domain x severity",
      "verdict": "keep",
      "reason": "Names which domains carry the risk; feeds the funding conversation"
    },
    {
      "id": 12,
      "kind": "donut",
      "content": "Findings by severity (all domains)",
      "verdict": "remove",
      "reason": "Redundant with the heatmap; donut is a distribution when the argument is comparison"
    },
    {
      "id": 13,
      "kind": "map",
      "content": "Data-residency compliance by geography",
      "verdict": "remove",
      "reason": "Compliance question, not a funding-decision question"
    },
    {
      "id": 14,
      "kind": "bar_chart",
      "content": "Funding allocation vs closable-gap by domain (sorted)",
      "verdict": "keep",
      "reason": "THE core visual; the funding decision lives here"
    },
    {
      "id": 15,
      "kind": "table",
      "content": "Top 20 open findings with owner and target-close date",
      "verdict": "keep",
      "reason": "Operational drill-down; audit committee asks by name"
    }
  ],
  "after_summary": {
    "visual_count": 7,
    "core_visuals": 4,
    "load_bearing_supporting": 3,
    "page_header_carries_big_idea": true,
    "notes": "Removed 8; kept 7 (5 originally + page-header treatment of the Big Idea + one drill-down that gets promoted from the archive)."
  },
  "source_sha256": "e6159c3e9247cbc20650bfcddf5bb9474051ae88b4bc37109661442df65050e1"
}