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<!DOCTYPE html><html lang="en-US"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,height=device-height,initial-scale=1.0"><meta name="apple-mobile-web-app-capable" content="yes"><meta http-equiv="X-UA-Compatible" content="ie=edge"><meta property="og:type" content="website"><meta name="twitter:card" content="summary"><style>@media screen{body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button{appearance:none;background-color:initial;border:0;color:inherit;cursor:pointer;font-size:inherit;opacity:.8;outline:none;padding:0;transition:opacity .2s linear;-webkit-tap-highlight-color:transparent}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button:disabled,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button:disabled,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button:disabled,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button:disabled{cursor:not-allowed;opacity:.15!important}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button:hover,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button:hover,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button:hover,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button:hover{opacity:1}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button:hover:active,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button:hover:active,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button:hover:active,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button:hover:active{opacity:.6}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button:hover:not(:disabled),body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button:hover:not(:disabled),body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button:hover:not(:disabled),body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button:hover:not(:disabled){transition:none}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=prev],body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=prev],body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button.bespoke-marp-presenter-info-page-prev{background:#0000 url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAxMDAgMTAwIj48cGF0aCBmaWxsPSJub25lIiBzdHJva2U9IiNmZmYiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLWxpbmVqb2luPSJyb3VuZCIgc3Ryb2tlLXdpZHRoPSI1IiBkPSJNNjggOTAgMjggNTBsNDAtNDAiLz48L3N2Zz4=") no-repeat 50%;background-size:contain;overflow:hidden;text-indent:100%;white-space:nowrap}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=next],body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=next],body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button.bespoke-marp-presenter-info-page-next{background:#0000 url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAxMDAgMTAwIj48cGF0aCBmaWxsPSJub25lIiBzdHJva2U9IiNmZmYiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLWxpbmVqb2luPSJyb3VuZCIgc3Ryb2tlLXdpZHRoPSI1IiBkPSJtMzIgOTAgNDAtNDAtNDAtNDAiLz48L3N2Zz4=") no-repeat 50%;background-size:contain;overflow:hidden;text-indent:100%;white-space:nowrap}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=fullscreen],body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=fullscreen]{background:#0000 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screen{::view-transition-group(*){animation-duration:var(--marp-bespoke-transition-animation-duration,.5s);animation-timing-function:ease}::view-transition-new(*),::view-transition-old(*){animation-delay:0s;animation-direction:var(--marp-bespoke-transition-animation-direction,normal);animation-duration:var(--marp-bespoke-transition-animation-duration,.5s);animation-fill-mode:both;animation-name:var(--marp-bespoke-transition-animation-name,var(--marp-bespoke-transition-animation-name-fallback,__bespoke_marp_transition_no_animation__));mix-blend-mode:normal}::view-transition-old(*){--marp-bespoke-transition-animation-name-fallback:__bespoke_marp_transition_reduced_outgoing__;animation-timing-function:ease}::view-transition-new(*){--marp-bespoke-transition-animation-name-fallback:__bespoke_marp_transition_reduced_incoming__;animation-timing-function:ease}::view-transition-new(root),::view-transition-old(root){animation-timing-function:linear}::view-transition-new(__bespoke_marp_transition_osc__),::view-transition-old(__bespoke_marp_transition_osc__){animation-duration:0s!important;animation-name:__bespoke_marp_transition_osc__!important}::view-transition-new(__bespoke_marp_transition_osc__){opacity:0!important}.bespoke-marp-transition-warming-up::view-transition-group(*),.bespoke-marp-transition-warming-up::view-transition-new(*),.bespoke-marp-transition-warming-up::view-transition-old(*){animation-play-state:paused!important}body,html{height:100%;margin:0}body{background:#000;overflow:hidden}svg.bespoke-marp-slide{content-visibility:hidden;opacity:0;pointer-events:none;z-index:-1}svg.bespoke-marp-slide:not(.bespoke-marp-active) *{view-transition-name:none!important}svg.bespoke-marp-slide.bespoke-marp-active{content-visibility:visible;opacity:1;pointer-events:auto;z-index:0}svg.bespoke-marp-slide.bespoke-marp-active.bespoke-marp-active-ready *{animation-name:__bespoke_marp__!important}@supports not (content-visibility:hidden){svg.bespoke-marp-slide[data-bespoke-marp-load=hideable]{display:none}svg.bespoke-marp-slide[data-bespoke-marp-load=hideable].bespoke-marp-active{display:block}}}@media screen and (prefers-reduced-motion:reduce){svg.bespoke-marp-slide *{view-transition-name:none!important}}@media screen{[data-bespoke-marp-fragment=inactive]{visibility:hidden}body[data-bespoke-view=""] .bespoke-marp-parent,body[data-bespoke-view=next] .bespoke-marp-parent{inset:0;position:absolute}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc{background:#000000a6;border-radius:7px;bottom:50px;color:#fff;contain:paint;display:block;font-family:Helvetica,Arial,sans-serif;font-size:16px;left:50%;line-height:0;opacity:1;padding:12px;position:absolute;touch-action:manipulation;transform:translateX(-50%);transition:opacity .2s linear;-webkit-user-select:none;user-select:none;white-space:nowrap;will-change:transform;z-index:1;view-transition-name:__bespoke_marp_transition_osc__}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>*,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>*{margin-left:6px}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>:first-child,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>:first-child{margin-left:0}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>span,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>span{opacity:.8}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>span[data-bespoke-marp-osc=page],body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>span[data-bespoke-marp-osc=page]{display:inline-block;min-width:140px;text-align:center}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=fullscreen],body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=next],body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=presenter],body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=prev],body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=fullscreen],body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=next],body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=presenter],body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=prev]{height:32px;line-height:32px;width:32px}body[data-bespoke-view=""] .bespoke-marp-parent.bespoke-marp-inactive,body[data-bespoke-view=next] .bespoke-marp-parent.bespoke-marp-inactive{cursor:none}body[data-bespoke-view=""] .bespoke-marp-parent.bespoke-marp-inactive>.bespoke-marp-osc,body[data-bespoke-view=next] .bespoke-marp-parent.bespoke-marp-inactive>.bespoke-marp-osc{opacity:0;pointer-events:none}body[data-bespoke-view=""] svg.bespoke-marp-slide,body[data-bespoke-view=next] svg.bespoke-marp-slide{height:100%;left:0;position:absolute;top:0;width:100%}body[data-bespoke-view=""] .bespoke-progress-parent{background:#222;display:flex;height:5px;width:100%}body[data-bespoke-view=""] .bespoke-progress-parent+.bespoke-marp-parent{top:5px}body[data-bespoke-view=""] .bespoke-progress-parent .bespoke-progress-bar{background:#0288d1;flex:0 0 0;transition:flex-basis .2s cubic-bezier(0,1,1,1)}body[data-bespoke-view=next]{background:#0000}body[data-bespoke-view=presenter]{background:#161616}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container{display:grid;font-family:Helvetica,Arial,sans-serif;grid-template:"current dragbar next" minmax(140px,1fr) "current dragbar note" 2fr "info dragbar note" 3em;grid-template-columns:minmax(3px,var(--bespoke-marp-presenter-split-ratio,66%)) 0 minmax(3px,1fr);height:100%;left:0;position:absolute;top:0;width:100%}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-parent{grid-area:current;overflow:hidden;position:relative}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-parent svg.bespoke-marp-slide{height:calc(100% - 40px);left:20px;pointer-events:none;position:absolute;top:20px;-webkit-user-select:none;user-select:none;width:calc(100% - 40px)}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-parent svg.bespoke-marp-slide.bespoke-marp-active{filter:drop-shadow(0 3px 10px rgba(0,0,0,.5))}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-dragbar-container{background:#0288d1;cursor:col-resize;grid-area:dragbar;margin-left:-3px;opacity:0;position:relative;transition:opacity .4s linear .1s;width:6px;z-index:10}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-dragbar-container:hover{opacity:1}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-dragbar-container.active{opacity:1;transition-delay:0s}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-next-container{background:#222;cursor:pointer;display:none;grid-area:next;overflow:hidden;position:relative}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-next-container.active{display:block}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-next-container iframe.bespoke-marp-presenter-next{background:#0000;border:0;display:block;filter:drop-shadow(0 3px 10px rgba(0,0,0,.5));height:calc(100% - 40px);left:20px;pointer-events:none;position:absolute;top:20px;-webkit-user-select:none;user-select:none;width:calc(100% - 40px)}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container{background:#222;color:#eee;grid-area:note;position:relative;z-index:1}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button{height:1.5em;line-height:1.5em;width:1.5em}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-presenter-note-wrapper{display:block;inset:0;position:absolute}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-presenter-note-buttons{background:#000000a6;border-radius:4px;bottom:0;display:flex;gap:4px;margin:12px;opacity:0;padding:6px;pointer-events:none;position:absolute;right:0;transition:opacity .2s linear}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-presenter-note-buttons:focus-within,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-presenter-note-wrapper:focus-within+.bespoke-marp-presenter-note-buttons,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container:hover .bespoke-marp-presenter-note-buttons{opacity:1;pointer-events:auto}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note{box-sizing:border-box;font-size:calc(1.1em*var(--bespoke-marp-note-font-scale, 1));height:calc(100% - 40px);margin:20px;overflow:auto;padding-right:3px;white-space:pre-wrap;width:calc(100% - 40px);word-wrap:break-word;scrollbar-color:#eeeeee80 #0000;scrollbar-width:thin}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note::-webkit-scrollbar{width:6px}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note::-webkit-scrollbar-track{background:#0000}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note::-webkit-scrollbar-thumb{background:#eeeeee80;border-radius:6px}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note:empty{pointer-events:none}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note.active{display:block}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note p:first-child{margin-top:0}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note p:last-child{margin-bottom:0}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container{align-items:center;box-sizing:border-box;color:#eee;display:flex;flex-wrap:nowrap;grid-area:info;justify-content:center;overflow:hidden;padding:0 10px}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-page,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-time,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-timer{box-sizing:border-box;display:block;padding:0 10px;white-space:nowrap;width:100%}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button{height:1.5em;line-height:1.5em;width:1.5em}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-page{order:2;text-align:center}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-page .bespoke-marp-presenter-info-page-text{display:inline-block;min-width:120px;text-align:center}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-time{color:#999;order:1;text-align:left}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-timer{color:#999;order:3;text-align:right}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-timer:hover{cursor:pointer}}@media print{.bespoke-marp-presenter-info-container,.bespoke-marp-presenter-next-container,.bespoke-marp-presenter-note-container{display:none}}</style><style>div#\:\$p > svg > foreignObject > section{width:1280px;height:720px;box-sizing:border-box;overflow:hidden;position:relative;scroll-snap-align:center center;-webkit-text-size-adjust:100%;text-size-adjust:100%}div#\:\$p > svg > foreignObject > section::after{bottom:0;content:attr(data-marpit-pagination);padding:inherit;pointer-events:none;position:absolute;right:0}div#\:\$p > svg > foreignObject > section:not([data-marpit-pagination])::after{display:none}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1){font-size:2em;margin:0.67em 0}div#\:\$p > svg > foreignObject > section video::-webkit-media-controls{will-change:transform}@page {size:1280px 720px;margin:0}@media print{html, body{background-color:#fff;margin:0;page-break-inside:avoid;break-inside:avoid-page}div#\:\$p > svg > foreignObject > section{page-break-before:always;break-before:page}div#\:\$p > svg > foreignObject > section, div#\:\$p > svg > foreignObject > section *{-webkit-print-color-adjust:exact!important;animation-delay:0s!important;animation-duration:0s!important;color-adjust:exact!important;transition:none!important}div#\:\$p > svg[data-marpit-svg]{display:block;height:100vh;width:100vw}}div#\:\$p > svg > foreignObject > :where(section){container-type:size}div#\:\$p > svg > foreignObject > section img[data-marp-twemoji]{background:transparent;height:1em;margin:0 .05em 0 .1em;vertical-align:-.1em;width:1em}/*!
* Marp default theme.
*
* @theme default
* @author Yuki Hattori
*
* @auto-scaling true
* @size 16:9 1280px 720px
* @size 4:3 960px 720px
*/div#\:\$p > svg > foreignObject > section{--base-size-4:calc(var(--marpit-root-font-size, 1rem) * 0.25);--base-size-8:calc(var(--marpit-root-font-size, 1rem) * 0.5);--base-size-16:calc(var(--marpit-root-font-size, 1rem) * 1);--base-size-24:calc(var(--marpit-root-font-size, 1rem) * 1.5);--base-size-40:calc(var(--marpit-root-font-size, 1rem) * 2.5);--base-text-weight-normal:400;--base-text-weight-medium:500;--base-text-weight-semibold:600;--fontStack-monospace:ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;--fgColor-accent:Highlight;}div#\:\$p > svg > foreignObject > section [data-theme=light],div#\:\$p > svg > foreignObject > section{color-scheme:light;--focus-outlineColor:#0969da;--fgColor-default:#1f2328;--fgColor-muted:#59636e;--fgColor-accent:#0969da;--fgColor-success:#1a7f37;--fgColor-attention:#9a6700;--fgColor-danger:#d1242f;--fgColor-done:#8250df;--bgColor-default:#fff;--bgColor-muted:#f6f8fa;--bgColor-neutral-muted:#818b981f;--bgColor-attention-muted:#fff8c5;--borderColor-default:#d1d9e0;--borderColor-muted:#d1d9e0b3;--borderColor-neutral-muted:#d1d9e0b3;--borderColor-accent-emphasis:#0969da;--borderColor-success-emphasis:#1a7f37;--borderColor-attention-emphasis:#9a6700;--borderColor-danger-emphasis:#cf222e;--borderColor-done-emphasis:#8250df;--color-prettylights-syntax-comment:#59636e;--color-prettylights-syntax-constant:#0550ae;--color-prettylights-syntax-constant-other-reference-link:#0a3069;--color-prettylights-syntax-entity:#6639ba;--color-prettylights-syntax-storage-modifier-import:#1f2328;--color-prettylights-syntax-entity-tag:#0550ae;--color-prettylights-syntax-keyword:#cf222e;--color-prettylights-syntax-string:#0a3069;--color-prettylights-syntax-variable:#953800;--color-prettylights-syntax-brackethighlighter-unmatched:#82071e;--color-prettylights-syntax-brackethighlighter-angle:#59636e;--color-prettylights-syntax-invalid-illegal-text:#f6f8fa;--color-prettylights-syntax-invalid-illegal-bg:#82071e;--color-prettylights-syntax-carriage-return-text:#f6f8fa;--color-prettylights-syntax-carriage-return-bg:#cf222e;--color-prettylights-syntax-string-regexp:#116329;--color-prettylights-syntax-markup-list:#3b2300;--color-prettylights-syntax-markup-heading:#0550ae;--color-prettylights-syntax-markup-italic:#1f2328;--color-prettylights-syntax-markup-bold:#1f2328;--color-prettylights-syntax-markup-deleted-text:#82071e;--color-prettylights-syntax-markup-deleted-bg:#ffebe9;--color-prettylights-syntax-markup-inserted-text:#116329;--color-prettylights-syntax-markup-inserted-bg:#dafbe1;--color-prettylights-syntax-markup-changed-text:#953800;--color-prettylights-syntax-markup-changed-bg:#ffd8b5;--color-prettylights-syntax-markup-ignored-text:#d1d9e0;--color-prettylights-syntax-markup-ignored-bg:#0550ae;--color-prettylights-syntax-meta-diff-range:#8250df;--color-prettylights-syntax-sublimelinter-gutter-mark:#818b98;}div#\:\$p > svg > foreignObject > section [data-theme=dark],div#\:\$p > svg > foreignObject > section:where(.invert){color-scheme:dark;--focus-outlineColor:#1f6feb;--fgColor-default:#f0f6fc;--fgColor-muted:#9198a1;--fgColor-accent:#4493f8;--fgColor-success:#3fb950;--fgColor-attention:#d29922;--fgColor-danger:#f85149;--fgColor-done:#ab7df8;--bgColor-default:#0d1117;--bgColor-muted:#151b23;--bgColor-neutral-muted:#656c7633;--bgColor-attention-muted:#bb800926;--borderColor-default:#3d444d;--borderColor-muted:#3d444db3;--borderColor-neutral-muted:#3d444db3;--borderColor-accent-emphasis:#1f6feb;--borderColor-success-emphasis:#238636;--borderColor-attention-emphasis:#9e6a03;--borderColor-danger-emphasis:#da3633;--borderColor-done-emphasis:#8957e5;--color-prettylights-syntax-comment:#9198a1;--color-prettylights-syntax-constant:#79c0ff;--color-prettylights-syntax-constant-other-reference-link:#a5d6ff;--color-prettylights-syntax-entity:#d2a8ff;--color-prettylights-syntax-storage-modifier-import:#f0f6fc;--color-prettylights-syntax-entity-tag:#7ee787;--color-prettylights-syntax-keyword:#ff7b72;--color-prettylights-syntax-string:#a5d6ff;--color-prettylights-syntax-variable:#ffa657;--color-prettylights-syntax-brackethighlighter-unmatched:#f85149;--color-prettylights-syntax-brackethighlighter-angle:#9198a1;--color-prettylights-syntax-invalid-illegal-text:#f0f6fc;--color-prettylights-syntax-invalid-illegal-bg:#8e1519;--color-prettylights-syntax-carriage-return-text:#f0f6fc;--color-prettylights-syntax-carriage-return-bg:#b62324;--color-prettylights-syntax-string-regexp:#7ee787;--color-prettylights-syntax-markup-list:#f2cc60;--color-prettylights-syntax-markup-heading:#1f6feb;--color-prettylights-syntax-markup-italic:#f0f6fc;--color-prettylights-syntax-markup-bold:#f0f6fc;--color-prettylights-syntax-markup-deleted-text:#ffdcd7;--color-prettylights-syntax-markup-deleted-bg:#67060c;--color-prettylights-syntax-markup-inserted-text:#aff5b4;--color-prettylights-syntax-markup-inserted-bg:#033a16;--color-prettylights-syntax-markup-changed-text:#ffdfb6;--color-prettylights-syntax-markup-changed-bg:#5a1e02;--color-prettylights-syntax-markup-ignored-text:#f0f6fc;--color-prettylights-syntax-markup-ignored-bg:#1158c7;--color-prettylights-syntax-meta-diff-range:#d2a8ff;--color-prettylights-syntax-sublimelinter-gutter-mark:#3d444d;}div#\:\$p > svg > foreignObject > section{-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;background-color:var(--bgColor-default);color:var(--fgColor-default);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji;font-size:16px;line-height:1.5;margin:0;word-wrap:break-word}div#\:\$p > svg > foreignObject > section{--marpit-root-font-size:16px;}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1):hover .anchor .octicon-link:before,div#\:\$p > svg > foreignObject > section :is(h2, marp-h2):hover .anchor .octicon-link:before,div#\:\$p > svg > foreignObject > section :is(h3, marp-h3):hover .anchor .octicon-link:before,div#\:\$p > svg > foreignObject > section :is(h4, marp-h4):hover .anchor .octicon-link:before,div#\:\$p > svg > foreignObject > section :is(h5, marp-h5):hover .anchor .octicon-link:before,div#\:\$p > svg > foreignObject > section :is(h6, marp-h6):hover .anchor .octicon-link:before{background-color:currentColor;content:" ";display:inline-block;height:16px;-webkit-mask-image:url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 0 0 1.06 1.06l1.25-1.25a2 2 0 1 1 2.83 2.83l-2.5 2.5a2 2 0 0 1-2.83 0 .75.75 0 0 0-1.06 1.06 3.5 3.5 0 0 0 4.95 0l2.5-2.5a3.5 3.5 0 0 0-4.95-4.95zm-4.69 9.64a2 2 0 0 1 0-2.83l2.5-2.5a2 2 0 0 1 2.83 0 .75.75 0 0 0 1.06-1.06 3.5 3.5 0 0 0-4.95 0l-2.5 2.5a3.5 3.5 0 0 0 4.95 4.95l1.25-1.25a.75.75 0 0 0-1.06-1.06l-1.25 1.25a2 2 0 0 1-2.83 0"/></svg>');mask-image:url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 0 0 1.06 1.06l1.25-1.25a2 2 0 1 1 2.83 2.83l-2.5 2.5a2 2 0 0 1-2.83 0 .75.75 0 0 0-1.06 1.06 3.5 3.5 0 0 0 4.95 0l2.5-2.5a3.5 3.5 0 0 0-4.95-4.95zm-4.69 9.64a2 2 0 0 1 0-2.83l2.5-2.5a2 2 0 0 1 2.83 0 .75.75 0 0 0 1.06-1.06 3.5 3.5 0 0 0-4.95 0l-2.5 2.5a3.5 3.5 0 0 0 4.95 4.95l1.25-1.25a.75.75 0 0 0-1.06-1.06l-1.25 1.25a2 2 0 0 1-2.83 0"/></svg>');width:16px}div#\:\$p > svg > foreignObject > section details,div#\:\$p > svg > foreignObject > section figcaption,div#\:\$p > svg > foreignObject > section figure{display:block}div#\:\$p > svg > foreignObject > section summary{display:list-item}div#\:\$p > svg > foreignObject > section [hidden]{display:none!important}div#\:\$p > svg > foreignObject > section a{background-color:transparent;color:var(--fgColor-accent);text-decoration:none}div#\:\$p > svg > foreignObject > section abbr[title]{border-bottom:none;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}div#\:\$p > svg > foreignObject > section b,div#\:\$p > svg > foreignObject > section strong{font-weight:var(--base-text-weight-semibold, 600)}div#\:\$p > svg > foreignObject > section dfn{font-style:italic}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1){border-bottom:1px solid var(--borderColor-muted);font-size:2em;font-weight:var(--base-text-weight-semibold, 600);margin:.67em 0;padding-bottom:.3em}div#\:\$p > svg > foreignObject > section mark{background-color:var(--bgColor-attention-muted);color:var(--fgColor-default)}div#\:\$p > svg > foreignObject > section small{font-size:90%}div#\:\$p > svg > foreignObject > section sub,div#\:\$p > svg > foreignObject > section sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}div#\:\$p > svg > foreignObject > section sub{bottom:-.25em}div#\:\$p > svg > foreignObject > section sup{top:-.5em}div#\:\$p > svg > foreignObject > section img{border-style:none;box-sizing:content-box;max-width:100%}div#\:\$p > svg > foreignObject > section code,div#\:\$p > svg > foreignObject > section kbd,div#\:\$p > svg > foreignObject > section :is(pre, marp-pre),div#\:\$p > svg > foreignObject > section samp{font-family:monospace;font-size:1em}div#\:\$p > svg > foreignObject > section figure{margin:1em var(--base-size-40)}div#\:\$p > svg > foreignObject > section hr{background:transparent;background-color:var(--borderColor-default);border:0;box-sizing:content-box;height:.25em;margin:var(--base-size-24) 0;overflow:hidden;padding:0}div#\:\$p > svg > foreignObject > section input{font:inherit;font-family:inherit;font-size:inherit;line-height:inherit;margin:0;overflow:visible}div#\:\$p > svg > foreignObject > section [type=button],div#\:\$p > svg > foreignObject > section [type=reset],div#\:\$p > svg > foreignObject > section [type=submit]{-webkit-appearance:button;-moz-appearance:button;appearance:button}div#\:\$p > svg > foreignObject > section [type=checkbox],div#\:\$p > svg > foreignObject > section [type=radio]{box-sizing:border-box;padding:0}div#\:\$p > svg > foreignObject > section [type=number]::-webkit-inner-spin-button,div#\:\$p > svg > foreignObject > section [type=number]::-webkit-outer-spin-button{height:auto}div#\:\$p > svg > foreignObject > section [type=search]::-webkit-search-cancel-button,div#\:\$p > svg > foreignObject > section [type=search]::-webkit-search-decoration{-webkit-appearance:none;appearance:none}div#\:\$p > svg > foreignObject > section ::-webkit-input-placeholder{color:inherit;opacity:.54}div#\:\$p > svg > foreignObject > section ::-webkit-file-upload-button{-webkit-appearance:button;appearance:button;font:inherit}div#\:\$p > svg > foreignObject > section a:hover{text-decoration:underline}div#\:\$p > svg > foreignObject > section ::-moz-placeholder{color:var(--fgColor-muted);opacity:1}div#\:\$p > svg > foreignObject > section ::placeholder{color:var(--fgColor-muted);opacity:1}div#\:\$p > svg > foreignObject > section hr:after,div#\:\$p > svg > foreignObject > section hr:before{content:"";display:table}div#\:\$p > svg > foreignObject > section hr:after{clear:both}div#\:\$p > svg > foreignObject > section table{border-collapse:collapse;border-spacing:0;display:block;font-variant:tabular-nums;max-width:100%;overflow:auto;width:-moz-max-content;width:max-content}div#\:\$p > svg > foreignObject > section td,div#\:\$p > svg > foreignObject > section th{padding:0}div#\:\$p > svg > foreignObject > section details summary{cursor:pointer}div#\:\$p > svg > foreignObject > section [role=button]:focus,div#\:\$p > svg > foreignObject > section a:focus,div#\:\$p > svg > foreignObject > section input[type=checkbox]:focus,div#\:\$p > svg > foreignObject > section input[type=radio]:focus{box-shadow:none;outline:2px solid var(--focus-outlineColor);outline-offset:-2px}div#\:\$p > svg > foreignObject > section [role=button]:focus:not(:focus-visible),div#\:\$p > svg > foreignObject > section a:focus:not(:focus-visible),div#\:\$p > svg > foreignObject > section input[type=checkbox]:focus:not(:focus-visible),div#\:\$p > svg > foreignObject > section input[type=radio]:focus:not(:focus-visible){outline:1px solid transparent}div#\:\$p > svg > foreignObject > section [role=button]:focus-visible,div#\:\$p > svg > foreignObject > section a:focus-visible,div#\:\$p > svg > foreignObject > section input[type=checkbox]:focus-visible,div#\:\$p > svg > foreignObject > section input[type=radio]:focus-visible{box-shadow:none;outline:2px solid var(--focus-outlineColor);outline-offset:-2px}div#\:\$p > svg > foreignObject > section a:not([class]):focus,div#\:\$p > svg > foreignObject > section a:not([class]):focus-visible,div#\:\$p > svg > foreignObject > section input[type=checkbox]:focus,div#\:\$p > svg > foreignObject > section input[type=checkbox]:focus-visible,div#\:\$p > svg > foreignObject > section input[type=radio]:focus,div#\:\$p > svg > foreignObject > section input[type=radio]:focus-visible{outline-offset:0}div#\:\$p > svg > foreignObject > section kbd{background-color:var(--bgColor-muted);border-bottom-color:var(--borderColor-neutral-muted);border:1px solid var(--borderColor-neutral-muted);border-radius:6px;box-shadow:inset 0 -1px 0 var(--borderColor-neutral-muted);color:var(--fgColor-default);display:inline-block;font:11px var(--fontStack-monospace, ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace);line-height:10px;padding:var(--base-size-4);vertical-align:middle}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1),div#\:\$p > svg > foreignObject > section :is(h2, marp-h2),div#\:\$p > svg > foreignObject > section :is(h3, marp-h3),div#\:\$p > svg > foreignObject > section :is(h4, marp-h4),div#\:\$p > svg > foreignObject > section :is(h5, marp-h5),div#\:\$p > svg > foreignObject > section :is(h6, marp-h6){font-weight:var(--base-text-weight-semibold, 600);line-height:1.25;margin-bottom:var(--base-size-16);margin-top:var(--base-size-24)}div#\:\$p > svg > foreignObject > section :is(h2, marp-h2){border-bottom:1px solid var(--borderColor-muted);font-size:1.5em;padding-bottom:.3em}div#\:\$p > svg > foreignObject > section :is(h2, marp-h2),div#\:\$p > svg > foreignObject > section :is(h3, marp-h3){font-weight:var(--base-text-weight-semibold, 600)}div#\:\$p > svg > foreignObject > section :is(h3, marp-h3){font-size:1.25em}div#\:\$p > svg > foreignObject > section :is(h4, marp-h4){font-size:1em}div#\:\$p > svg > foreignObject > section :is(h4, marp-h4),div#\:\$p > svg > foreignObject > section :is(h5, marp-h5){font-weight:var(--base-text-weight-semibold, 600)}div#\:\$p > svg > foreignObject > section :is(h5, marp-h5){font-size:.875em}div#\:\$p > svg > foreignObject > section :is(h6, marp-h6){color:var(--fgColor-muted);font-size:.85em;font-weight:var(--base-text-weight-semibold, 600)}div#\:\$p > svg > foreignObject > section p{margin-bottom:10px;margin-top:0}div#\:\$p > svg > foreignObject > section blockquote{border-left:.25em solid var(--borderColor-default);color:var(--fgColor-muted);margin:0;padding:0 1em}div#\:\$p > svg > foreignObject > section ol,div#\:\$p > svg > foreignObject > section ul{margin-bottom:0;margin-top:0;padding-left:2em}div#\:\$p > svg > foreignObject > section ol ol,div#\:\$p > svg > foreignObject > section ul ol{list-style-type:lower-roman}div#\:\$p > svg > foreignObject > section ol ol ol,div#\:\$p > svg > foreignObject > section ol ul ol,div#\:\$p > svg > foreignObject > section ul ol ol,div#\:\$p > svg > foreignObject > section ul ul ol{list-style-type:lower-alpha}div#\:\$p > svg > foreignObject > section dd{margin-left:0}div#\:\$p > svg > foreignObject > section code,div#\:\$p > svg > foreignObject > section :is(pre, marp-pre),div#\:\$p > svg > foreignObject > section samp,div#\:\$p > svg > foreignObject > section tt{font-family:var(--fontStack-monospace, ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace);font-size:12px}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre){margin-bottom:0;margin-top:0;word-wrap:normal}div#\:\$p > svg > foreignObject > section .octicon{display:inline-block;overflow:visible!important;vertical-align:text-bottom;fill:currentColor}div#\:\$p > svg > foreignObject > section input::-webkit-inner-spin-button,div#\:\$p > svg > foreignObject > section input::-webkit-outer-spin-button{-webkit-appearance:none;appearance:none;margin:0}div#\:\$p > svg > foreignObject > section .mr-2{margin-right:var(--base-size-8, 8px)!important}div#\:\$p > svg > foreignObject > section:after,div#\:\$p > svg > foreignObject > section:before{display:table}div#\:\$p > svg > foreignObject > section:after{clear:both}div#\:\$p > svg > foreignObject > section>:first-child{margin-top:0!important}div#\:\$p > svg > foreignObject > section>:last-child{margin-bottom:0!important}div#\:\$p > svg > foreignObject > section a:not([href]){color:inherit;text-decoration:none}div#\:\$p > svg > foreignObject > section .absent{color:var(--fgColor-danger)}div#\:\$p > svg > foreignObject > section .anchor{float:left;line-height:1;margin-left:-20px;padding-right:var(--base-size-4)}div#\:\$p > svg > foreignObject > section .anchor:focus{outline:none}div#\:\$p > svg > foreignObject > section blockquote,div#\:\$p > svg > foreignObject > section details,div#\:\$p > svg > foreignObject > section dl,div#\:\$p > svg > foreignObject > section ol,div#\:\$p > svg > foreignObject > section p,div#\:\$p > svg > foreignObject > section :is(pre, marp-pre),div#\:\$p > svg > foreignObject > section table,div#\:\$p > svg > foreignObject > section ul{margin-bottom:var(--base-size-16);margin-top:0}div#\:\$p > svg > foreignObject > section blockquote>:first-child{margin-top:0}div#\:\$p > svg > foreignObject > section blockquote>:last-child{margin-bottom:0}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1) .octicon-link,div#\:\$p > svg > foreignObject > section :is(h2, marp-h2) .octicon-link,div#\:\$p > svg > foreignObject > section :is(h3, marp-h3) .octicon-link,div#\:\$p > svg > foreignObject > section :is(h4, marp-h4) .octicon-link,div#\:\$p > svg > foreignObject > section :is(h5, marp-h5) .octicon-link,div#\:\$p > svg > foreignObject > section :is(h6, marp-h6) .octicon-link{color:var(--fgColor-default);vertical-align:middle;visibility:hidden}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1):hover .anchor,div#\:\$p > svg > foreignObject > section :is(h2, marp-h2):hover .anchor,div#\:\$p > svg > foreignObject > section :is(h3, marp-h3):hover .anchor,div#\:\$p > svg > foreignObject > section :is(h4, marp-h4):hover .anchor,div#\:\$p > svg > foreignObject > section :is(h5, marp-h5):hover .anchor,div#\:\$p > svg > foreignObject > section :is(h6, marp-h6):hover .anchor{text-decoration:none}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1):hover .anchor .octicon-link,div#\:\$p > svg > foreignObject > section :is(h2, marp-h2):hover .anchor .octicon-link,div#\:\$p > svg > foreignObject > section :is(h3, marp-h3):hover .anchor .octicon-link,div#\:\$p > svg > foreignObject > section :is(h4, marp-h4):hover .anchor .octicon-link,div#\:\$p > svg > foreignObject > section :is(h5, marp-h5):hover .anchor .octicon-link,div#\:\$p > svg > foreignObject > section :is(h6, marp-h6):hover .anchor .octicon-link{visibility:visible}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1) code,div#\:\$p > svg > foreignObject > section :is(h1, marp-h1) tt,div#\:\$p > svg > foreignObject > section :is(h2, marp-h2) code,div#\:\$p > svg > foreignObject > section :is(h2, marp-h2) tt,div#\:\$p > svg > foreignObject > section :is(h3, marp-h3) code,div#\:\$p > svg > foreignObject > section :is(h3, marp-h3) tt,div#\:\$p > svg > foreignObject > section :is(h4, marp-h4) code,div#\:\$p > svg > foreignObject > section :is(h4, marp-h4) tt,div#\:\$p > svg > foreignObject > section :is(h5, marp-h5) code,div#\:\$p > svg > foreignObject > section :is(h5, marp-h5) tt,div#\:\$p > svg > foreignObject > section :is(h6, marp-h6) code,div#\:\$p > svg > foreignObject > section :is(h6, marp-h6) tt{font-size:inherit;padding:0 .2em}div#\:\$p > svg > foreignObject > section summary :is(h1, marp-h1),div#\:\$p > svg > foreignObject > section summary :is(h2, marp-h2),div#\:\$p > svg > foreignObject > section summary :is(h3, marp-h3),div#\:\$p > svg > foreignObject > section summary :is(h4, marp-h4),div#\:\$p > svg > foreignObject > section summary :is(h5, marp-h5),div#\:\$p > svg > foreignObject > section summary :is(h6, marp-h6){display:inline-block}div#\:\$p > svg > foreignObject > section summary :is(h1, marp-h1) .anchor,div#\:\$p > svg > foreignObject > section summary :is(h2, marp-h2) .anchor,div#\:\$p > svg > foreignObject > section summary :is(h3, marp-h3) .anchor,div#\:\$p > svg > foreignObject > section summary :is(h4, marp-h4) .anchor,div#\:\$p > svg > foreignObject > section summary :is(h5, marp-h5) .anchor,div#\:\$p > svg > foreignObject > section summary :is(h6, marp-h6) .anchor{margin-left:-40px}div#\:\$p > svg > foreignObject > section summary :is(h1, marp-h1),div#\:\$p > svg > foreignObject > section summary :is(h2, marp-h2){border-bottom:0;padding-bottom:0}div#\:\$p > svg > foreignObject > section ol.no-list,div#\:\$p > svg > foreignObject > section ul.no-list{list-style-type:none;padding:0}div#\:\$p > svg > foreignObject > section ol[type="a s"]{list-style-type:lower-alpha}div#\:\$p > svg > foreignObject > section ol[type="A s"]{list-style-type:upper-alpha}div#\:\$p > svg > foreignObject > section ol[type="i s"]{list-style-type:lower-roman}div#\:\$p > svg > foreignObject > section ol[type="I s"]{list-style-type:upper-roman}div#\:\$p > svg > foreignObject > section div>ol:not([type]),div#\:\$p > svg > foreignObject > section ol[type="1"]{list-style-type:decimal}div#\:\$p > svg > foreignObject > section ol ol,div#\:\$p > svg > foreignObject > section ol ul,div#\:\$p > svg > foreignObject > section ul ol,div#\:\$p > svg > foreignObject > section ul ul{margin-bottom:0;margin-top:0}div#\:\$p > svg > foreignObject > section li>p{margin-top:var(--base-size-16)}div#\:\$p > svg > foreignObject > section li+li{margin-top:.25em}div#\:\$p > svg > foreignObject > section dl{padding:0}div#\:\$p > svg > foreignObject > section dl dt{font-size:1em;font-style:italic;font-weight:var(--base-text-weight-semibold, 600);margin-top:var(--base-size-16);padding:0}div#\:\$p > svg > foreignObject > section dl dd{margin-bottom:var(--base-size-16);padding:0 var(--base-size-16)}div#\:\$p > svg > foreignObject > section table th{font-weight:var(--base-text-weight-semibold, 600)}div#\:\$p > svg > foreignObject > section table td,div#\:\$p > svg > foreignObject > section table th{border:1px solid var(--borderColor-default);padding:6px 13px}div#\:\$p > svg > foreignObject > section table td>:last-child{margin-bottom:0}div#\:\$p > svg > foreignObject > section table tr{background-color:var(--bgColor-default);border-top:1px solid var(--borderColor-muted)}div#\:\$p > svg > foreignObject > section table tr:nth-child(2n){background-color:var(--bgColor-muted)}div#\:\$p > svg > foreignObject > section table img{background-color:transparent}div#\:\$p > svg > foreignObject > section img[align=right]{padding-left:20px}div#\:\$p > svg > foreignObject > section img[align=left]{padding-right:20px}div#\:\$p > svg > foreignObject > section .emoji{background-color:transparent;max-width:none;vertical-align:text-top}div#\:\$p > svg > foreignObject > section :is(span, marp-span).frame,div#\:\$p > svg > foreignObject > section :is(span, marp-span).frame>:is(span, marp-span){display:block;overflow:hidden}div#\:\$p > svg > foreignObject > section :is(span, marp-span).frame>:is(span, marp-span){border:1px solid var(--borderColor-default);float:left;margin:13px 0 0;padding:7px;width:auto}div#\:\$p > svg > foreignObject > section :is(span, marp-span).frame :is(span, marp-span) img{display:block;float:left}div#\:\$p > svg > foreignObject > section :is(span, marp-span).frame :is(span, marp-span) :is(span, marp-span){clear:both;color:var(--fgColor-default);display:block;padding:5px 0 0}div#\:\$p > svg > foreignObject > section :is(span, marp-span).align-center{clear:both;display:block;overflow:hidden}div#\:\$p > svg > foreignObject > section :is(span, marp-span).align-center>:is(span, marp-span){display:block;margin:13px auto 0;overflow:hidden;text-align:center}div#\:\$p > svg > foreignObject > section :is(span, marp-span).align-center :is(span, marp-span) img{margin:0 auto;text-align:center}div#\:\$p > svg > foreignObject > section :is(span, marp-span).align-right{clear:both;display:block;overflow:hidden}div#\:\$p > svg > foreignObject > section :is(span, marp-span).align-right>:is(span, marp-span){display:block;margin:13px 0 0;overflow:hidden;text-align:right}div#\:\$p > svg > foreignObject > section :is(span, marp-span).align-right :is(span, marp-span) img{margin:0;text-align:right}div#\:\$p > svg > foreignObject > section :is(span, marp-span).float-left{display:block;float:left;margin-right:13px;overflow:hidden}div#\:\$p > svg > foreignObject > section :is(span, marp-span).float-left :is(span, marp-span){margin:13px 0 0}div#\:\$p > svg > foreignObject > section :is(span, marp-span).float-right{display:block;float:right;margin-left:13px;overflow:hidden}div#\:\$p > svg > foreignObject > section :is(span, marp-span).float-right>:is(span, marp-span){display:block;margin:13px auto 0;overflow:hidden;text-align:right}div#\:\$p > svg > foreignObject > section code,div#\:\$p > svg > foreignObject > section tt{background-color:var(--bgColor-neutral-muted);border-radius:6px;font-size:85%;margin:0;padding:.2em .4em;white-space:break-spaces}div#\:\$p > svg > foreignObject > section code br,div#\:\$p > svg > foreignObject > section tt br{display:none}div#\:\$p > svg > foreignObject > section del code{text-decoration:inherit}div#\:\$p > svg > foreignObject > section samp{font-size:85%}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) code{font-size:100%}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre)>code{background:transparent;border:0;margin:0;padding:0;white-space:pre;word-break:normal}div#\:\$p > svg > foreignObject > section .highlight{margin-bottom:var(--base-size-16)}div#\:\$p > svg > foreignObject > section .highlight :is(pre, marp-pre){margin-bottom:0;word-break:normal}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre){background-color:var(--bgColor-muted);border-radius:6px;color:var(--fgColor-default);font-size:85%;line-height:1.45;overflow:auto;padding:var(--base-size-16)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) code,div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) tt{display:inline;line-height:inherit;margin:0;max-width:auto;overflow:visible;padding:0;word-wrap:normal;background-color:transparent;border:0}div#\:\$p > svg > foreignObject > section .csv-data td,div#\:\$p > svg > foreignObject > section .csv-data th{font-size:12px;line-height:1;overflow:hidden;padding:5px;text-align:left;white-space:nowrap}div#\:\$p > svg > foreignObject > section .csv-data .blob-num{background:var(--bgColor-default);border:0;padding:10px var(--base-size-8) 9px;text-align:right}div#\:\$p > svg > foreignObject > section .csv-data tr{border-top:0}div#\:\$p > svg > foreignObject > section .csv-data th{background:var(--bgColor-muted);border-top:0;font-weight:var(--base-text-weight-semibold, 600)}div#\:\$p > svg > foreignObject > section [data-footnote-ref]:before{content:"["}div#\:\$p > svg > foreignObject > section [data-footnote-ref]:after{content:"]"}div#\:\$p > svg > foreignObject > section .footnotes{border-top:1px solid var(--borderColor-default);color:var(--fgColor-muted);font-size:12px}div#\:\$p > svg > foreignObject > section div#\:\$p > svg > foreignObject > section section.footnotes{--marpit-root-font-size:12px;}div#\:\$p > svg > foreignObject > section .footnotes ol,div#\:\$p > svg > foreignObject > section .footnotes ol ul{padding-left:var(--base-size-16)}div#\:\$p > svg > foreignObject > section .footnotes ol ul{display:inline-block;margin-top:var(--base-size-16)}div#\:\$p > svg > foreignObject > section .footnotes li{position:relative}div#\:\$p > svg > foreignObject > section .footnotes li:target:before{border:2px solid var(--borderColor-accent-emphasis);border-radius:6px;bottom:calc(var(--base-size-8)*-1);content:"";left:calc(var(--base-size-24)*-1);pointer-events:none;position:absolute;right:calc(var(--base-size-8)*-1);top:calc(var(--base-size-8)*-1)}div#\:\$p > svg > foreignObject > section .footnotes li:target{color:var(--fgColor-default)}div#\:\$p > svg > foreignObject > section .footnotes .data-footnote-backref g-emoji{font-family:monospace}div#\:\$p > svg > foreignObject > section body:has(:modal){padding-right:var(--dialog-scrollgutter)!important}div#\:\$p > svg > foreignObject > section .pl-c{color:var(--color-prettylights-syntax-comment)}div#\:\$p > svg > foreignObject > section .pl-c1,div#\:\$p > svg > foreignObject > section .pl-s .pl-v{color:var(--color-prettylights-syntax-constant)}div#\:\$p > svg > foreignObject > section .pl-e,div#\:\$p > svg > foreignObject > section .pl-en{color:var(--color-prettylights-syntax-entity)}div#\:\$p > svg > foreignObject > section .pl-s .pl-s1,div#\:\$p > svg > foreignObject > section .pl-smi{color:var(--color-prettylights-syntax-storage-modifier-import)}div#\:\$p > svg > foreignObject > section .pl-ent{color:var(--color-prettylights-syntax-entity-tag)}div#\:\$p > svg > foreignObject > section .pl-k{color:var(--color-prettylights-syntax-keyword)}div#\:\$p > svg > foreignObject > section .pl-pds,div#\:\$p > svg > foreignObject > section .pl-s,div#\:\$p > svg > foreignObject > section .pl-s .pl-pse .pl-s1,div#\:\$p > svg > foreignObject > section .pl-sr,div#\:\$p > svg > foreignObject > section .pl-sr .pl-cce,div#\:\$p > svg > foreignObject > section .pl-sr .pl-sra,div#\:\$p > svg > foreignObject > section .pl-sr .pl-sre{color:var(--color-prettylights-syntax-string)}div#\:\$p > svg > foreignObject > section .pl-smw,div#\:\$p > svg > foreignObject > section .pl-v{color:var(--color-prettylights-syntax-variable)}div#\:\$p > svg > foreignObject > section .pl-bu{color:var(--color-prettylights-syntax-brackethighlighter-unmatched)}div#\:\$p > svg > foreignObject > section .pl-ii{background-color:var(--color-prettylights-syntax-invalid-illegal-bg);color:var(--color-prettylights-syntax-invalid-illegal-text)}div#\:\$p > svg > foreignObject > section .pl-c2{background-color:var(--color-prettylights-syntax-carriage-return-bg);color:var(--color-prettylights-syntax-carriage-return-text)}div#\:\$p > svg > foreignObject > section .pl-sr .pl-cce{color:var(--color-prettylights-syntax-string-regexp);font-weight:700}div#\:\$p > svg > foreignObject > section .pl-ml{color:var(--color-prettylights-syntax-markup-list)}div#\:\$p > svg > foreignObject > section .pl-mh,div#\:\$p > svg > foreignObject > section .pl-mh .pl-en,div#\:\$p > svg > foreignObject > section .pl-ms{color:var(--color-prettylights-syntax-markup-heading);font-weight:700}div#\:\$p > svg > foreignObject > section .pl-mi{color:var(--color-prettylights-syntax-markup-italic);font-style:italic}div#\:\$p > svg > foreignObject > section .pl-mb{color:var(--color-prettylights-syntax-markup-bold);font-weight:700}div#\:\$p > svg > foreignObject > section .pl-md{background-color:var(--color-prettylights-syntax-markup-deleted-bg);color:var(--color-prettylights-syntax-markup-deleted-text)}div#\:\$p > svg > foreignObject > section .pl-mi1{background-color:var(--color-prettylights-syntax-markup-inserted-bg);color:var(--color-prettylights-syntax-markup-inserted-text)}div#\:\$p > svg > foreignObject > section .pl-mc{background-color:var(--color-prettylights-syntax-markup-changed-bg);color:var(--color-prettylights-syntax-markup-changed-text)}div#\:\$p > svg > foreignObject > section .pl-mi2{background-color:var(--color-prettylights-syntax-markup-ignored-bg);color:var(--color-prettylights-syntax-markup-ignored-text)}div#\:\$p > svg > foreignObject > section .pl-mdr{color:var(--color-prettylights-syntax-meta-diff-range);font-weight:700}div#\:\$p > svg > foreignObject > section .pl-ba{color:var(--color-prettylights-syntax-brackethighlighter-angle)}div#\:\$p > svg > foreignObject > section .pl-sg{color:var(--color-prettylights-syntax-sublimelinter-gutter-mark)}div#\:\$p > svg > foreignObject > section .pl-corl{color:var(--color-prettylights-syntax-constant-other-reference-link);text-decoration:underline}div#\:\$p > svg > foreignObject > section [role=button]:focus:not(:focus-visible),div#\:\$p > svg > foreignObject > section [role=tabpanel][tabindex="0"]:focus:not(:focus-visible),div#\:\$p > svg > foreignObject > section a:focus:not(:focus-visible),div#\:\$p > svg > foreignObject > section button:focus:not(:focus-visible),div#\:\$p > svg > foreignObject > section summary:focus:not(:focus-visible){box-shadow:none;outline:none}div#\:\$p > svg > foreignObject > section [tabindex="0"]:focus:not(:focus-visible),div#\:\$p > svg > foreignObject > section details-dialog:focus:not(:focus-visible){outline:none}div#\:\$p > svg > foreignObject > section g-emoji{display:inline-block;font-family:Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol;font-size:1em;font-style:normal!important;font-weight:var(--base-text-weight-normal, 400);line-height:1;min-width:1ch;vertical-align:-.075em}div#\:\$p > svg > foreignObject > section g-emoji img{height:1em;width:1em}div#\:\$p > svg > foreignObject > section .task-list-item{list-style-type:none}div#\:\$p > svg > foreignObject > section .task-list-item label{font-weight:var(--base-text-weight-normal, 400)}div#\:\$p > svg > foreignObject > section .task-list-item.enabled label{cursor:pointer}div#\:\$p > svg > foreignObject > section .task-list-item+.task-list-item{margin-top:var(--base-size-4)}div#\:\$p > svg > foreignObject > section .task-list-item .handle{display:none}div#\:\$p > svg > foreignObject > section .task-list-item-checkbox{margin:0 .2em .25em -1.4em;vertical-align:middle}div#\:\$p > svg > foreignObject > section ul:dir(rtl) .task-list-item-checkbox{margin:0 -1.6em .25em .2em}div#\:\$p > svg > foreignObject > section ol:dir(rtl) .task-list-item-checkbox{margin:0 -1.6em .25em .2em}div#\:\$p > svg > foreignObject > section .contains-task-list:focus-within .task-list-item-convert-container,div#\:\$p > svg > foreignObject > section .contains-task-list:hover .task-list-item-convert-container{display:block;height:24px;overflow:visible;width:auto;clip:auto}div#\:\$p > svg > foreignObject > section ::-webkit-calendar-picker-indicator{filter:invert(50%)}div#\:\$p > svg > foreignObject > section .markdown-alert{border-left:.25em solid var(--borderColor-default);color:inherit;margin-bottom:var(--base-size-16);padding:var(--base-size-8) var(--base-size-16)}div#\:\$p > svg > foreignObject > section .markdown-alert>:first-child{margin-top:0}div#\:\$p > svg > foreignObject > section .markdown-alert>:last-child{margin-bottom:0}div#\:\$p > svg > foreignObject > section .markdown-alert .markdown-alert-title{align-items:center;display:flex;font-weight:var(--base-text-weight-medium, 500);line-height:1}div#\:\$p > svg > foreignObject > section .markdown-alert.markdown-alert-note{border-left-color:var(--borderColor-accent-emphasis)}div#\:\$p > svg > foreignObject > section .markdown-alert.markdown-alert-note .markdown-alert-title{color:var(--fgColor-accent)}div#\:\$p > svg > foreignObject > section .markdown-alert.markdown-alert-important{border-left-color:var(--borderColor-done-emphasis)}div#\:\$p > svg > foreignObject > section .markdown-alert.markdown-alert-important .markdown-alert-title{color:var(--fgColor-done)}div#\:\$p > svg > foreignObject > section .markdown-alert.markdown-alert-warning{border-left-color:var(--borderColor-attention-emphasis)}div#\:\$p > svg > foreignObject > section .markdown-alert.markdown-alert-warning .markdown-alert-title{color:var(--fgColor-attention)}div#\:\$p > svg > foreignObject > section .markdown-alert.markdown-alert-tip{border-left-color:var(--borderColor-success-emphasis)}div#\:\$p > svg > foreignObject > section .markdown-alert.markdown-alert-tip .markdown-alert-title{color:var(--fgColor-success)}div#\:\$p > svg > foreignObject > section .markdown-alert.markdown-alert-caution{border-left-color:var(--borderColor-danger-emphasis)}div#\:\$p > svg > foreignObject > section .markdown-alert.markdown-alert-caution .markdown-alert-title{color:var(--fgColor-danger)}div#\:\$p > svg > foreignObject > section>:first-child>.heading-element:first-child{margin-top:0!important}div#\:\$p > svg > foreignObject > section .highlight :is(pre, marp-pre):has(+.zeroclipboard-container){min-height:52px}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1){color:var(--h1-color);font-size:1.6em}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1),div#\:\$p > svg > foreignObject > section :is(h2, marp-h2){border-bottom:none}div#\:\$p > svg > foreignObject > section :is(h2, marp-h2){font-size:1.3em}div#\:\$p > svg > foreignObject > section :is(h3, marp-h3){font-size:1.1em}div#\:\$p > svg > foreignObject > section :is(h4, marp-h4){font-size:1.05em}div#\:\$p > svg > foreignObject > section :is(h5, marp-h5){font-size:1em}div#\:\$p > svg > foreignObject > section :is(h6, marp-h6){font-size:.9em}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1) strong,div#\:\$p > svg > foreignObject > section :is(h2, marp-h2) strong,div#\:\$p > svg > foreignObject > section :is(h3, marp-h3) strong,div#\:\$p > svg > foreignObject > section :is(h4, marp-h4) strong,div#\:\$p > svg > foreignObject > section :is(h5, marp-h5) strong,div#\:\$p > svg > foreignObject > section :is(h6, marp-h6) strong{color:var(--heading-strong-color);font-weight:inherit}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1)::part(auto-scaling),div#\:\$p > svg > foreignObject > section :is(h2, marp-h2)::part(auto-scaling),div#\:\$p > svg > foreignObject > section :is(h3, marp-h3)::part(auto-scaling),div#\:\$p > svg > foreignObject > section :is(h4, marp-h4)::part(auto-scaling),div#\:\$p > svg > foreignObject > section :is(h5, marp-h5)::part(auto-scaling),div#\:\$p > svg > foreignObject > section :is(h6, marp-h6)::part(auto-scaling){max-height:563px}div#\:\$p > svg > foreignObject > section hr{height:0;padding-top:.25em}div#\:\$p > svg > foreignObject > section img{background-color:transparent}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre){border:1px solid var(--borderColor-default);line-height:1.15;overflow:visible}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre)::part(auto-scaling){max-height:529px}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs){color:var(--color-prettylights-syntax-storage-modifier-import)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-doctag),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-keyword),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-meta .hljs-keyword),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-template-tag),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-template-variable),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-type),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-variable.language_){color:var(--color-prettylights-syntax-keyword)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-title),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-title.class_),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-title.class_.inherited__),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-title.function_){color:var(--color-prettylights-syntax-entity)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-attr),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-attribute),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-literal),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-meta),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-number),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-operator),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-selector-attr),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-selector-class),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-selector-id),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-variable){color:var(--color-prettylights-syntax-constant)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-meta .hljs-string),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-regexp),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-string){color:var(--color-prettylights-syntax-string)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-built_in),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-symbol){color:var(--color-prettylights-syntax-variable)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-code),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-comment),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-formula){color:var(--color-prettylights-syntax-comment)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-name),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-quote),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-selector-pseudo),div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-selector-tag){color:var(--color-prettylights-syntax-entity-tag)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-subst){color:var(--color-prettylights-syntax-storage-modifier-import)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-section){color:var(--color-prettylights-syntax-markup-heading);font-weight:700}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-bullet){color:var(--color-prettylights-syntax-markup-list)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-emphasis){color:var(--color-prettylights-syntax-markup-italic);font-style:italic}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-strong){color:var(--color-prettylights-syntax-markup-bold);font-weight:700}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-addition){background-color:var(--color-prettylights-syntax-markup-inserted-bg);color:var(--color-prettylights-syntax-markup-inserted-text)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) :where(.hljs-deletion){background-color:var(--color-prettylights-syntax-markup-deleted-bg);color:var(--color-prettylights-syntax-markup-deleted-text)}div#\:\$p > svg > foreignObject > section footer,div#\:\$p > svg > foreignObject > section header{color:var(--header-footer-color);font-size:18px;left:30px;margin:0;position:absolute}div#\:\$p > svg > foreignObject > section header{top:21px}div#\:\$p > svg > foreignObject > section footer{bottom:21px}div#\:\$p > svg > foreignObject > section{--h1-color:#246;--header-footer-color:hsla(0,0%,40%,.75);--heading-strong-color:#48c;--paginate-color:#777;--base-size-4:4px;--base-size-8:8px;--base-size-16:16px;--base-size-24:24px;--base-size-40:40px;align-items:stretch;display:block;flex-flow:column 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</style></head><body><div class="bespoke-marp-osc"><button data-bespoke-marp-osc="prev" tabindex="-1" title="Previous slide">Previous slide</button><span data-bespoke-marp-osc="page"></span><button data-bespoke-marp-osc="next" tabindex="-1" title="Next slide">Next slide</button><button data-bespoke-marp-osc="fullscreen" tabindex="-1" title="Toggle fullscreen (f)">Toggle fullscreen</button><button data-bespoke-marp-osc="presenter" tabindex="-1" title="Open presenter view (p)">Open presenter view</button></div><div id=":$p"><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="1" data-theme="default" data-style="section img {
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<h1 id="from-prd-to-tdd-to-linear-to-prs">From PRD to TDD to Linear to PRs</h1>
</section>
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<h2 id="recap-part-1">Recap: Part 1</h2>
<ul>
<li>From User Prototype to Verified PRD</li>
<li>Specification Artifacts: Gherkin, Metrics, Business Rules</li>
<li>Verification via Prototype Alignment and Stakeholder Signoff on Specification Artifacts</li>
</ul>
</section>
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;">
<h2 id="todays-scope">Today's Scope</h2>
<ul>
<li>Problem and Thesis</li>
<li>Core Principles</li>
<li>PRD -> TDD -> Linear Project Breakdown -> PRs</li>
</ul>
</section>
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<h2 id="current-state-of-ai-programming">Current State of AI Programming</h2>
<table>
<thead>
<tr>
<th style="text-align:left"></th>
<th style="text-align:right"></th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align:left">- Reasoning models are saturating coding benchmarks <br /> - o4-mini: 99th percentile in Codeforces Elo (single shot) <br /> - Claude 3.7 Sonnet: 70% SWE Bench Verified <br /> - Source: <a href="https://rankedagi.com">rankedagi.com</a> <br /> - Benchmarks ≠ full Software Engineering <br /> - But they represent key aspects of project execution</td>
<td style="text-align:right"><img src="images/codeforces.jpg" alt="" style="height:180px;" /></td>
</tr>
</tbody>
</table>
</section>
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;">
<h2 id="problem---mismatched-capabilities">Problem - Mismatched Capabilities</h2>
<p>Potential</p>
<ul>
<li>Code generation correctness for focused patches is approaching perfection</li>
<li>SOTA LLMs generate code at a speed 2-3 orders of magnitude faster than human SWEs</li>
</ul>
<p>Limitations</p>
<ul>
<li>Long horizon goal seeking is not realized in any meaningful way</li>
<li>Attention and synthesis over very large context windows is a lagging problem</li>
<li>No benchmark or training data exists for Software Engineering in the large</li>
<li>Human SWEs must own and operate production systems</li>
</ul>
</section>
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<h2 id="solution---shift-left">Solution - Shift Left</h2>
<ul>
<li>Human SWEs must shift contribution to earlier SDLC phases</li>
<li>Speed differential too great for humans in execution phase</li>
<li>Moving input artifacts left preserves human influence & system ownership</li>
</ul>
<p><img src="images/shift_left.jpg" alt="" /></p>
</section>
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<h2 id="moravecs-paradox">Moravec's Paradox</h2>
<p>At the ragged edge of AI capabilities is human intelligence</p>
<p><img src="images/moravec.jpg" alt="" /></p>
</section>
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;">
<h2 id="core-principle---artifact-chain">Core Principle - Artifact Chain</h2>
<ul>
<li>SDLC built as a chain of linked artifacts.</li>
<li>Each stage's <em>Verification</em> becomes the next stage's <em>Specification</em>.</li>
<li>Starts with PRD, ends with PRs.</li>
<li>Progressively reduces ambiguity.</li>
<li>Provides end-to-end traceability (Vision -> Code).</li>
<li>Enables structured collaboration (human + agent).</li>
</ul>
<p><img src="images/artifact_chain.jpg" alt="" /></p>
</section>
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<h2 id="core-principle---bookends">Core Principle - Bookends</h2>
<ul>
<li>Define the start and end points of each SDLC stage</li>
<li>Input: Specification (What to build)</li>
<li>Output: Verification (Proof it was built)</li>
<li>Guarantees each stage delivers expected outcomes
<ul>
<li>Immediate Bookends: fast, deterministic checks (tests, CI)</li>
<li>Lagging Bookends: post-deploy KPIs close the PRD contract</li>
</ul>
</li>
</ul>
<p><img src="images/bookends.jpg" alt="" /></p>
</section>
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<h2 id="core-principle---control-surface">Core Principle - Control Surface</h2>
<ul>
<li>Active interface guiding work <em>between</em> Bookends (Spec -> Verification).</li>
<li>The dynamic, editable plan ("steering wheel") for a stage.</li>
<li>Provides actionable steps for humans + agents.</li>
<li>Examples: Standard TDD Template (Design), <code>.md</code> Checklist (Implementation).</li>
<li>Kept current; reflects intent & progress (syncs <code>.md</code> <-> Linear).</li>
<li>Distinct from fixed Bookends & automated Guardrails.</li>
</ul>
<p><img src="images/control_surface.jpg" alt="" /></p>
</section>
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<h2 id="core-principle---guardrails">Core Principle - Guardrails</h2>
<ul>
<li>Automated "safety net" ensuring quality, safety & consistency.</li>
<li>Enforces standards automatically (commit, CI, etc.) & provides fast feedback.</li>
<li>Key Types: Tests, Compile-Time Checks (Buf, sqlc), Linters, CI Gates.</li>
<li>Feedback triggers refinement via the Debug Loop (covered next).</li>
<li>Specialized types like the Ratchet principle prevent regressions.</li>
</ul>
<p><img src="images/guard_rails.jpg" alt="" /></p>
</section>
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<h2 id="core-principle---ratchet">Core Principle - Ratchet</h2>
<ul>
<li><strong>Ratchet Guardrail:</strong> Prevents regression; quality/metrics only improve or stay same.</li>
<li>Blocks degradation by comparing PR changes against a baseline (e.g., <code>main</code>).</li>
<li>Examples: Coverage, no <em>new</em> lint errors, API breaks (<code>buf breaking</code>), perf/size.</li>
<li>Stops gradual quality erosion and technical debt creep over time.</li>
<li>Vital steering mechanism against drift in multi-human/AI environments.</li>
</ul>
<p><img src="images/ratchet.jpg" alt="" /></p>
</section>
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<h2 id="core-principle---debug-loop">Core Principle - Debug Loop</h2>
<ul>
<li>The fundamental iterative refinement cycle: Act -> Check -> Correct.</li>
<li>Universal pattern for responding to feedback (Guardrails, observations, etc.).</li>
<li>In SDLC: Diagnose failure -> Correct (code or plan) -> Re-check until pass.</li>
<li>Ensures Control Surface execution converges towards Verification goals.</li>
</ul>
<p><img src="images/debug_loop.jpg" alt="" style="height:300px;" /></p>
</section>
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<h2 id="core-principle---reflect-and-process">Core Principle - Reflect and Process</h2>
<ul>
<li><strong>Micro-loop for AI diffs:</strong> Pause -> Reflect (SWE+AI) -> Revise -> Merge.</li>
<li>Rapid (<90s) review fuses SWE intent + AI proposal for better code & context.</li>
<li>Compounds quality and shared domain knowledge with each interaction.</li>
<li>Builds foundation for richer context & future guided PR workflows.</li>
</ul>
<p><img src="images/reflect_process.jpg" alt="" style="height:300px;" /></p>
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<h2 id="purpose-of-the-tdd">Purpose of the TDD</h2>
<ul>
<li>Bridge product intent (PRD) to concrete technical approach in Build phase</li>
<li>Surface assumptions & risks early when change is cheapest</li>
<li>Provide a shared mental model via diagrams & contracts</li>
<li>Capture non-functional requirements & explicit trade-offs</li>
<li>Act as the spec / control surface for structured issue breakdown</li>
</ul>
</section>
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<h2 id="tdd-structure">TDD Structure</h2>
<ul>
<li>Context & Motivation: summary, friction, business metrics</li>
<li>Scope: goals, non-goals, SWAG timeline</li>
<li>Ownership: RACI (R/A mandatory)</li>
<li>Architecture & Interfaces: C4, sequence flows, API / DB schemas</li>
<li>Non-Functional: SLOs, capacity, security, privacy</li>
<li>Design Details & Guardrails: component contracts, test / lint plan, ratchet targets</li>
<li>Rollout & Backout: migrations, flags, monitoring, rollback steps</li>
<li>Alternatives: options & rationale (incl. "do nothing")</li>
<li>Formal Models (when critical): TLA+, property list</li>
</ul>
</section>
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<h2 id="running-example-collaboration-upgrade">Running Example: Collaboration Upgrade</h2>
<ul>
<li>Context: Hadrian's internal TODO List app, HadTodo (currently single-user)</li>
<li>Goal: add real-time multi-user collaboration</li>
<li>We'll walk the SDLC—from PRD -> TDD -> Linear -> PR—using this feature</li>
<li>Each upcoming snippet is synthetic but faithful to our templates & tools</li>
</ul>
<p><img src="./images/hadtodo.jpg" alt="" /></p>
</section>
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<h2 id="prd-specification-%E2%80%93-gherkin-user-stories">PRD Specification – Gherkin User Stories</h2>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-gherkin"><span class="hljs-keyword">Feature</span>: Real-time collaboration on TODO lists
<span class="hljs-keyword">Scenario</span>: Two users edit the same list concurrently
<span class="hljs-keyword">Given</span> user A and user B are viewing list <span class="hljs-string">"Roadmap"</span>
<span class="hljs-keyword">When</span> user A checks off item <span class="hljs-string">"Ship FPGA"</span>
<span class="hljs-keyword">Then</span> user B sees item <span class="hljs-string">"Ship FPGA"</span> checked within 250 ms
<span class="hljs-keyword">Scenario</span>: Adding new items to a shared list
<span class="hljs-keyword">Given</span> user A and user B are viewing list <span class="hljs-string">"Roadmap"</span>
<span class="hljs-keyword">When</span> user A adds item <span class="hljs-string">"Update documentation"</span>
<span class="hljs-keyword">Then</span> user B sees the new item <span class="hljs-string">"Update documentation"</span> within 250 ms
<span class="hljs-keyword">And</span> the item appears in the same position for both users
</code></pre>
</section>
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<h2 id="prd-specification-%E2%80%93-business-metric-goals">PRD Specification – Business Metric Goals</h2>
<ul>
<li>
<p><strong>Outcome 1:</strong> Reduce median "time-to-collaborate" (edit visible to peer)<br />
from <strong>3.5s to <= 0.25s</strong> under 100 active sessions by <strong>Q3 2025</strong>.</p>
</li>
<li>
<p><strong>Outcome 2:</strong> Increase collaborative list completion rate by <strong>40%</strong><br />
compared to single-user lists by <strong>Q4 2025</strong>.</p>
</li>
<li>
<p><strong>Outcome 3:</strong> Achieve <strong>99.9% sync consistency</strong> (all users see same state)<br />
across concurrent editing sessions by <strong>Q3 2025</strong>.</p>
</li>
<li>
<p><strong>Outcome 4:</strong> Reduce task coordination overhead by <strong>35%</strong> as measured<br />
by time spent in status meetings for teams using shared lists by <strong>Q1 2026</strong>.</p>
</li>
</ul>
</section>
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<h2 id="tdd-verification-%E2%80%93-observability-metrics-datadog">TDD Verification – Observability Metrics (Datadog)</h2>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code>Outcome 1: Collaboration Latency
query: avg(last_30d):p95:hadtodo.collab.event.propagation{*}
baseline: 350 ms
target: ≤ 250 ms (29% improvement)
Outcome 2: Collaborative Completion Rate
query: avg:hadtodo.lists.completion_rate{list_type:collaborative} /
avg:hadtodo.lists.completion_rate{list_type:single_user}
baseline: 1.0 (no difference)
target: ≥ 1.4 (40% improvement)
Outcome 3: Sync Consistency
query: 100 - (sum:hadtodo.collab.state_mismatch.count{*}.as_count() /
sum:hadtodo.collab.events.count{*}.as_count() * 100)
baseline: N/A (new metric)
target: ≥ 99.9% consistency
Outcome 4: Task Coordination (from instrumented app feedback)
query: avg:hadtodo.user_reports.meeting_time{teams:using_collab} /
avg:hadtodo.user_reports.meeting_time{teams:not_using_collab}
baseline: 1.0 (no change)
target: ≤ 0.65 (35% reduction)
</code></pre>
</section>
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<h2 id="prd-specification-%E2%80%93-business-rule">PRD Specification – Business Rule</h2>
<blockquote>
<p><strong>Rule BR-42:</strong> <em>A TODO item must never lose the last edit made in any session.</em><br />
(Persistence guarantee across concurrent writes)</p>
</blockquote>
</section>
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<h2 id="tdd-verification-%E2%80%93-sequence-diagrams">TDD Verification – Sequence Diagrams</h2>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-mermaid">sequenceDiagram
participant ClientA
participant CollabSvc
participant DB
ClientA->>CollabSvc: UpdateItem(change) (gRPC)
CollabSvc->>DB: upsert(change)
CollabSvc-->>ClientA: UpdateItemResponse
CollabSvc-->>AllClients: websocket broadcast(change)
</code></pre>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-mermaid">sequenceDiagram
participant ClientA
participant CollabSvc
participant DB
participant AllClients
ClientA->>CollabSvc: CreateItem(item, list_id, position) (gRPC)
CollabSvc->>DB: insert(item, metadata)
CollabSvc->>DB: update_positions(list_id, position)
CollabSvc-->>ClientA: CreateItemResponse(item_id)
CollabSvc-->>AllClients: websocket broadcast(new_item, position)
</code></pre>
</section>
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<h2 id="tdd-verification-%E2%80%93-formal-model-tla">TDD Verification – Formal Model (TLA+)</h2>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-tla">-------------- MODULE TodoCollab --------------
EXTENDS Naturals
\* Set of edits for each TODO item (ID -> sequence of values)
VARIABLES edits
\* Initial state: no items have any edits
Init == edits = {}
\* Record a new edit for a TODO item
AddEdit(id, val) ==
IF id \in DOMAIN edits
THEN edits' = [edits EXCEPT ![id] = Append(@, val)]
ELSE edits' = edits @@ (id :> <<val>>) \* Create new item+edit
\* System evolution: some item gets a new edit
Next == \E id, val : AddEdit(id, val)
\* Safety property: BR-42 - Last edit is never lost
LastEditPreserved ==
\A id \in DOMAIN edits :
id \in DOMAIN edits' => \* Item still exists
\* Edit history only grows, never shrinks
Len(edits'[id]) >= Len(edits[id])
\* Full spec and theorem omitted for brevity
</code></pre>
</section>
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<h2 id="tdd-technical-requirements">TDD Technical Requirements</h2>
<ul>
<li>Architecture & Interfaces</li>
<li>Schema Design</li>
<li>Specify Properties of the System Necessary for Operational Excellence</li>
<li>Requirements for Data Migration</li>
<li>Release Engineering Requirements (Monitoring, Alerting, etc.)</li>
</ul>
</section>
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<h2 id="tdd-specification-%E2%80%93-c4-context-diagram">TDD Specification – C4 Context Diagram</h2>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-mermaid">C4Context
title Context diagram for TODO Collaboration System
Person(user, "User", "A person collaborating on TODO lists")
System(todo_system, "TODO App System", "Supports creation and real-time collaboration on shared TODO lists")
System_Ext(notification_system, "Notification System", "Sends email and push notifications")
System_Ext(auth_system, "Auth System", "Handles user authentication")
Rel(user, todo_system, "Creates and edits TODOs", "Web/Mobile")
Rel(todo_system, notification_system, "Sends update notifications", "Buf Stream (Kafka)")
Rel(todo_system, auth_system, "Verifies user identity", "OAuth")
</code></pre>
</section>
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