{
  "schemaVersion": 1,
  "chart": "narrative",
  "theme": "warm",
  "render": {
    "width": 908,
    "padding": 24,
    "scale": 2
  },
  "data": {
    "id": "cafe-membership",
    "locale": "en-US",
    "eyebrow": "Product brief · café",
    "title": "Café membership revamp",
    "subtitle": "A brief for the café membership app: decisions first, then flow and impact.",
    "sections": [
      {
        "kind": "cards",
        "eyebrow": "Decision-first",
        "title": "The revamp in six decisions",
        "emoji": "☕",
        "icon": "flag",
        "items": [
          {
            "no": "01 · R1",
            "title": "Stars, not points",
            "text": "Every yuan spent earns one star; no thresholds, no expiry.",
            "accent": 1
          },
          {
            "no": "02 · R2",
            "title": "Three tiers",
            "text": "Your rolling 90-day total sets silver, gold, or black-gold tiers.",
            "accent": 2
          },
          {
            "no": "03 · R3",
            "title": "One-scan checkout",
            "text": "A single scan earns stars and redeems rewards; it works offline.",
            "accent": 3
          },
          {
            "no": "04 · R4",
            "title": "Store value gifts",
            "text": "Load 200, get 20. Refundable, with the rules on the home page.",
            "accent": 4
          },
          {
            "no": "05 · R5",
            "title": "Birthday doubles",
            "text": "All purchases in the birthday week earn twice the stars.",
            "accent": 5
          },
          {
            "no": "06 · R6",
            "title": "Trends, not profiles",
            "text": "The store dashboard shows trends only, not per-customer profiles.",
            "accent": 6
          }
        ]
      },
      {
        "kind": "steps",
        "eyebrow": "Customer flow",
        "title": "One order, four steps",
        "emoji": "⭐️",
        "icon": "trend-up",
        "items": [
          {
            "label": "Order",
            "text": "In person at the counter, or in the app.",
            "emoji": "☕️",
            "icon": "package"
          },
          {
            "label": "Earn",
            "text": "Stars are credited after one scan.",
            "emoji": "⭐️",
            "icon": "chart"
          },
          {
            "label": "Level up",
            "text": "90 days sets your tier.",
            "emoji": "📈",
            "icon": "trend-up"
          },
          {
            "label": "Redeem",
            "text": "Stars trade for treats.",
            "emoji": "🎁",
            "icon": "flag"
          }
        ]
      },
      {
        "kind": "table",
        "eyebrow": "Impact",
        "title": "What changes for whom",
        "emoji": "🧾",
        "icon": "chart",
        "columns": [
          "Audience",
          "Today",
          "After the revamp"
        ],
        "rows": [
          {
            "cells": [
              "Regulars",
              "Paper stamp cards, lost means gone",
              "Stars live in the app, visible forever"
            ]
          },
          {
            "cells": [
              "Baristas",
              "Stamp by hand, reconcile monthly",
              "One scan covers earning and redemption"
            ]
          },
          {
            "cells": [
              "Managers",
              "Manual membership counts at month end",
              "Live sales trends in the dashboard"
            ]
          },
          {
            "cells": [
              "Bookkeeping",
              "Stored value on notebook ledgers",
              "Balances and gifts post automatically"
            ]
          }
        ]
      },
      {
        "kind": "callout",
        "eyebrow": "Dependency",
        "title": "Risks and dependencies",
        "tone": "warn",
        "emoji": "⚠️",
        "icon": "shield",
        "text": "Paper stamp cards convert into the app by the end of October, running in parallel for two weeks. If conversion slips, the new rules start a week later; store events are unchanged."
      },
      {
        "kind": "checklist",
        "eyebrow": "Acceptance",
        "title": "Definition of done",
        "emoji": "✅",
        "icon": "check",
        "items": [
          {
            "ok": true,
            "text": "A regular earns and redeems stars in a single scan"
          },
          {
            "ok": true,
            "text": "Tier changes on the 90-day total apply automatically"
          },
          {
            "ok": true,
            "text": "Baristas record offline; uploads resume on reconnect"
          },
          {
            "ok": true,
            "text": "Stored value refunds to the original payment method"
          }
        ]
      },
      {
        "kind": "checklist",
        "eyebrow": "Boundary",
        "title": "Non-goals for this revamp",
        "emoji": "🚫",
        "icon": "lock",
        "items": [
          {
            "ok": false,
            "text": "Delivery and takeout"
          },
          {
            "ok": false,
            "text": "Social feeds and comments"
          },
          {
            "ok": false,
            "text": "Cross-store shared points"
          },
          {
            "ok": false,
            "text": "Ad slots and co-branding"
          }
        ]
      }
    ],
    "footerLabel": "Decision owners",
    "footer": "R1–R3 product, R4–R5 store ops, R6 data. Payment compliance sign-off is required before R4 ships. All names and figures are synthetic sample data."
  }
}