{
  "schema": "e2m.visual-research-standard.v1",
  "version": "2026-09-24",
  "owner": "E2M Research",
  "purpose": "Make E2M findings easy to understand, reuse and cite without losing evidence boundaries.",
  "master_spec": {
    "format": "SVG",
    "viewbox": "1600x900 for standard research graphics",
    "font": "system sans-serif",
    "background": "white",
    "responsive": "preserve viewBox and intrinsic aspect ratio"
  },
  "distribution_exports": {
    "social": "PNG, 1200px wide, provenance footer retained",
    "media": "PNG, 1600px wide, provenance footer retained"
  },
  "required_on_image": [
    "E2M Research identifier",
    "visual title",
    "source",
    "period",
    "methodology / evidence boundary",
    "stable visual-library URL"
  ],
  "visual_types": {
    "chart": "Quantitative comparison with defined unit and denominator.",
    "matrix": "Qualitative or quantitative trade-off structure; no composite score unless methodology explicitly defines one.",
    "timeline": "Time or dependency sequence with best-case/typical boundaries labeled.",
    "decision_tree": "Planning logic; branches describe conditions rather than promise outcomes.",
    "map": "Geographic or schematic orientation; scale/precision boundary must be visible."
  },
  "evidence_rules": [
    "Official/primary, independent, provider, observed and E2M-modeled evidence must remain distinguishable.",
    "A visual cannot upgrade an observation into a market average.",
    "A scenario visual must be labeled as scenario/model, not forecast.",
    "If source methodologies differ, the caveat remains visible."
  ],
  "accessibility": [
    "SVG must contain title and description.",
    "Web embed must have meaningful alt text.",
    "Text contrast and font size must remain legible at standard desktop and mobile widths.",
    "Do not encode meaning by color alone when a label or shape can carry it."
  ],
  "citation_policy": "Preserve source, period, method and caveat. Do not crop away the provenance footer. Preferred citation: E2M Research. [Visual title]. [Period]. https://e2massociates.com/research/visual-library/",
  "refresh_policy": "Refresh the visual whenever its canonical research dataset changes materially; retain stable filenames when the visual is the continuing canonical representation and update the period/version visibly.",
  "naming": "assets/research-visuals/<canonical-slug>.svg with matching social/ and media/ PNG exports.",
  "image_seo_standard": "/data/e2m-image-seo-standard-2026.json",
  "image_sitemap": "/image-sitemap.xml"
}
