Predefined Card Schemas

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{
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  "title": "Choose a flight",
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  "subtitle": "London → Edinburgh, 2026-06-25",
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  "items": [
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    {
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      "id": "off_123",
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      "image": "https://example.com/ba.png",
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      "title": "British Airways",
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      "subtitle": "Direct · 1h 15m · Economy",
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      "badges": [{"label": "Direct", "variant": "info"}],
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      "secondary_text": "USD 88.16",
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      "primary_cta": {
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        "label": "Select",
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        "selection": {"offer_id": "off_123"}
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      }
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    }
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  ]
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}

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{
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  "title": "British Airways · LHR → EDI",
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  "hero_image": "https://example.com/hero.png",
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  "summary_rows": [
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    {"label": "Departure", "value": "21:50 · LHR"},
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    {"label": "Arrival", "value": "23:05 · EDI"}
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  ],
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  "sub_options": {
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    "name": "cabin",
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    "kind": "radio",
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    "label": "Cabin class",
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    "choices": [
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      {"value": "economy", "label": "Economy", "secondary_text": "USD 88"},
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      {"value": "business", "label": "Business", "secondary_text": "USD 220"}
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    ]
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  },
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  "ctas": [
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    {"label": "Continue", "selection": {"action": "continue"}, "primary": true},
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    {"label": "Back", "selection": {"action": "back"}}
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  ]
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}

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{
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  "title": "Passenger details",
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  "fields": [
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    {"name": "first_name", "kind": "text", "label": "First name", "required": true},
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    {"name": "email", "kind": "email", "label": "Email", "required": true},
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    {
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      "name": "country",
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      "kind": "select",
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      "label": "Country",
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      "options": [{"value": "GB", "label": "United Kingdom"}]
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    }
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  ],
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  "submit_cta": {"label": "Continue", "selection": {"action": "submit"}}
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}

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{
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  "title": "Confirm booking",
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  "summary_rows": [
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    {"label": "Flight", "value": "BA1437"},
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    {"label": "Total", "value": "USD 88.16"}
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  ],
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  "approve_cta": {"label": "Confirm booking", "selection": {"action": "confirm"}, "primary": true},
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  "reject_cta": {"label": "Cancel", "selection": {"action": "cancel"}}
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}