221 lines
13 KiB
HTML
221 lines
13 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Article request · Sequence</title>
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<link href="https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Geist:wght@400;500;600&family=Geist+Mono:wght@400;500;600&display=swap" rel="stylesheet">
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<style>
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*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
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:root {
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--color-paper: #f5f4ed;
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--color-ink: #0b0d0b;
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--color-muted: #52534e;
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--color-accent: #f7591f;
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--font-sans: 'Geist', system-ui, sans-serif;
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--font-serif: 'Instrument Serif', serif;
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--font-mono: 'Geist Mono', ui-monospace, monospace;
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}
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body {
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font-family: var(--font-sans);
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background: var(--color-paper);
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color: var(--color-ink);
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min-height: 100vh;
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display: flex;
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align-items: center;
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justify-content: center;
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padding: 3rem 2rem;
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}
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.frame { max-width: 1200px; width: 100%; }
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.eyebrow {
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font-family: var(--font-mono);
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font-size: 0.66rem;
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font-weight: 500;
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letter-spacing: 0.18em;
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text-transform: uppercase;
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color: var(--color-muted);
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margin-bottom: 0.5rem;
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}
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h1 {
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font-family: var(--font-serif);
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font-size: clamp(1.5rem, 2.4vw + 0.75rem, 2rem);
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font-weight: 400;
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letter-spacing: -0.02em;
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line-height: 1.15;
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color: var(--color-ink);
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margin-bottom: 1.5rem;
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}
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svg { width: 100%; min-width: 900px; display: block; }
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</style>
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</head>
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<body>
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<div class="frame">
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<p class="eyebrow">Sequence · Diagram Design</p>
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<h1>Article request, cold cache</h1>
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<svg viewBox="0 0 1000 584" xmlns="http://www.w3.org/2000/svg">
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<defs>
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<!-- Dot grid background -->
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<pattern id="dots" width="22" height="22" patternUnits="userSpaceOnUse">
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<circle cx="1" cy="1" r="0.9" fill="rgba(11,13,11,0.10)"/>
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</pattern>
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<!-- Arrow markers -->
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<marker id="arrow" markerWidth="8" markerHeight="6" refX="7" refY="3" orient="auto">
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<polygon points="0 0, 8 3, 0 6" fill="#52534e"/>
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</marker>
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<marker id="arrow-accent" markerWidth="8" markerHeight="6" refX="7" refY="3" orient="auto">
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<polygon points="0 0, 8 3, 0 6" fill="#f7591f"/>
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</marker>
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<marker id="arrow-link" markerWidth="8" markerHeight="6" refX="7" refY="3" orient="auto">
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<polygon points="0 0, 8 3, 0 6" fill="#1a70c7"/>
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</marker>
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</defs>
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<!-- Background: paper + dot grid -->
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<rect width="100%" height="100%" fill="#f5f4ed"/>
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<rect width="100%" height="100%" fill="url(#dots)" opacity="0.55"/>
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<!-- =================================================================
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LIFELINES — dashed vertical lines from each actor, behind everything.
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Actor lifeline x-coords: 128, 352, 584, 800
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================================================================= -->
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<line x1="128" y1="128" x2="128" y2="488" stroke="rgba(11,13,11,0.22)" stroke-width="1" stroke-dasharray="3,3"/>
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<line x1="352" y1="128" x2="352" y2="488" stroke="rgba(11,13,11,0.22)" stroke-width="1" stroke-dasharray="3,3"/>
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<line x1="584" y1="128" x2="584" y2="488" stroke="rgba(11,13,11,0.22)" stroke-width="1" stroke-dasharray="3,3"/>
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<line x1="800" y1="128" x2="800" y2="488" stroke="rgba(11,13,11,0.22)" stroke-width="1" stroke-dasharray="3,3"/>
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<!-- =================================================================
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ACTIVATION BARS — w=8 rects on lifelines showing control duration.
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Drawn before message arrows so arrows land on their edges.
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================================================================= -->
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<!-- Cloudflare activation: receives at y=176, responds at y=408 -->
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<rect x="348" y="180" width="8" height="232" fill="rgba(11,13,11,0.06)" stroke="#52534e" stroke-width="0.8"/>
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<!-- Astro activation: called at y=232, returns at y=352 -->
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<rect x="580" y="236" width="8" height="120" fill="rgba(11,13,11,0.06)" stroke="#52534e" stroke-width="0.8"/>
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<!-- =================================================================
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MESSAGE ARROWS — time flows top→down.
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Draw before labels so label masks cover the line.
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================================================================= -->
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<!-- M1: Reader → Cloudflare (HTTPS request · link-blue) -->
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<line x1="128" y1="176" x2="352" y2="176" stroke="#1a70c7" stroke-width="1.2" marker-end="url(#arrow-link)"/>
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<!-- M2: Cloudflare → Astro (cache miss · muted) -->
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<line x1="352" y1="232" x2="580" y2="232" stroke="#52534e" stroke-width="1.2" marker-end="url(#arrow)"/>
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<!-- M3: Astro self-message (render MDX · muted U-loop) -->
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<path d="M 588 284 L 624 284 L 624 316 L 588 316" fill="none" stroke="#52534e" stroke-width="1.2" marker-end="url(#arrow)"/>
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<!-- M4: Astro → Cloudflare (return HTML · muted dashed) -->
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<line x1="580" y1="352" x2="356" y2="352" stroke="#52534e" stroke-width="1.2" stroke-dasharray="5,4" marker-end="url(#arrow)"/>
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<!-- M5: Cloudflare → Reader (primary success · coral) -->
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<line x1="348" y1="408" x2="128" y2="408" stroke="#f7591f" stroke-width="1.4" marker-end="url(#arrow-accent)"/>
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<!-- M6: Reader → Analytics (async beacon · muted dashed) -->
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<line x1="128" y1="464" x2="800" y2="464" stroke="#52534e" stroke-width="1.2" stroke-dasharray="5,4" marker-end="url(#arrow)"/>
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<!-- =================================================================
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MESSAGE LABELS — each with an opaque paper-colored mask.
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================================================================= -->
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<!-- M1 label -->
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<rect x="188" y="160" width="104" height="12" rx="2" fill="#f5f4ed"/>
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<text x="240" y="170" fill="#1a70c7" font-size="8" font-family="'Geist Mono', monospace" text-anchor="middle" letter-spacing="0.08em">GET /ARTICLES/SLUG</text>
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<!-- M2 label -->
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<rect x="416" y="216" width="100" height="12" rx="2" fill="#f5f4ed"/>
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<text x="466" y="226" fill="#52534e" font-size="8" font-family="'Geist Mono', monospace" text-anchor="middle" letter-spacing="0.08em">CACHE MISS · ORIGIN</text>
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<!-- M3 label (to the right of the self-loop) -->
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<rect x="632" y="292" width="72" height="12" rx="2" fill="#f5f4ed"/>
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<text x="668" y="302" fill="#52534e" font-size="8" font-family="'Geist Mono', monospace" text-anchor="middle" letter-spacing="0.08em">RENDER MDX</text>
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<!-- M4 label -->
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<rect x="420" y="336" width="96" height="12" rx="2" fill="#f5f4ed"/>
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<text x="468" y="346" fill="#52534e" font-size="8" font-family="'Geist Mono', monospace" text-anchor="middle" letter-spacing="0.08em">200 · HTML + MAX-AGE</text>
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<!-- M5 label (coral · primary response) -->
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<rect x="192" y="392" width="96" height="12" rx="2" fill="#f5f4ed"/>
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<text x="240" y="402" fill="#f7591f" font-size="8" font-family="'Geist Mono', monospace" text-anchor="middle" letter-spacing="0.08em">200 · EDGE-CACHED</text>
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<!-- M6 label (placed between Astro and Analytics lifelines, a clear gap) -->
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<rect x="648" y="448" width="96" height="12" rx="2" fill="#f5f4ed"/>
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<text x="696" y="458" fill="#52534e" font-size="8" font-family="'Geist Mono', monospace" text-anchor="middle" letter-spacing="0.08em">PAGEVIEW BEACON</text>
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<!-- =================================================================
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ACTOR BOXES — drawn after arrows/labels.
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Each actor: 144–160 wide × 56 tall. Centers: 128, 352, 584, 800.
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================================================================= -->
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<!-- Actor 1: Reader (external / soft) -->
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<rect x="56" y="72" width="144" height="56" rx="6" fill="#f5f4ed"/>
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<rect x="56" y="72" width="144" height="56" rx="6" fill="rgba(82,83,78,0.10)" stroke="#65655c" stroke-width="1"/>
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<rect x="64" y="80" width="28" height="12" rx="2" fill="transparent" stroke="rgba(101,101,92,0.40)" stroke-width="0.8"/>
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<text x="78" y="89" fill="#65655c" font-size="7" font-family="'Geist Mono', monospace" text-anchor="middle" letter-spacing="0.08em">EXT</text>
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<text x="128" y="104" fill="#0b0d0b" font-size="12" font-weight="600" font-family="'Geist', sans-serif" text-anchor="middle">Reader</text>
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<text x="128" y="119" fill="#52534e" font-size="9" font-family="'Geist Mono', monospace" text-anchor="middle">Browser</text>
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<!-- Actor 2: Cloudflare (cloud / muted) -->
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<rect x="280" y="72" width="144" height="56" rx="6" fill="#f5f4ed"/>
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<rect x="280" y="72" width="144" height="56" rx="6" fill="rgba(11,13,11,0.03)" stroke="rgba(11,13,11,0.30)" stroke-width="1"/>
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<rect x="288" y="80" width="32" height="12" rx="2" fill="transparent" stroke="rgba(11,13,11,0.22)" stroke-width="0.8"/>
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<text x="304" y="89" fill="#65655c" font-size="7" font-family="'Geist Mono', monospace" text-anchor="middle" letter-spacing="0.08em">EDGE</text>
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<text x="352" y="104" fill="#0b0d0b" font-size="12" font-weight="600" font-family="'Geist', sans-serif" text-anchor="middle">Cloudflare</text>
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<text x="352" y="119" fill="#52534e" font-size="9" font-family="'Geist Mono', monospace" text-anchor="middle">Pages · cache</text>
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<!-- Actor 3: Astro Origin (focal / coral) -->
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<rect x="504" y="72" width="160" height="56" rx="6" fill="#f5f4ed"/>
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<rect x="504" y="72" width="160" height="56" rx="6" fill="rgba(247,89,31,0.08)" stroke="#f7591f" stroke-width="1"/>
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<rect x="512" y="80" width="32" height="12" rx="2" fill="transparent" stroke="rgba(247,89,31,0.50)" stroke-width="0.8"/>
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<text x="528" y="89" fill="#f7591f" font-size="7" font-family="'Geist Mono', monospace" text-anchor="middle" letter-spacing="0.08em">ORIG</text>
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<text x="584" y="104" fill="#0b0d0b" font-size="12" font-weight="600" font-family="'Geist', sans-serif" text-anchor="middle">Astro Origin</text>
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<text x="584" y="119" fill="#52534e" font-size="9" font-family="'Geist Mono', monospace" text-anchor="middle">SSR + MDX</text>
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<!-- Actor 4: Analytics (optional / dashed) -->
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<rect x="728" y="72" width="144" height="56" rx="6" fill="#f5f4ed"/>
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<rect x="728" y="72" width="144" height="56" rx="6" fill="rgba(11,13,11,0.02)" stroke="rgba(11,13,11,0.22)" stroke-width="1" stroke-dasharray="4,3"/>
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<rect x="736" y="80" width="28" height="12" rx="2" fill="transparent" stroke="rgba(11,13,11,0.22)" stroke-width="0.8"/>
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<text x="750" y="89" fill="#65655c" font-size="7" font-family="'Geist Mono', monospace" text-anchor="middle" letter-spacing="0.08em">ASY</text>
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<text x="800" y="104" fill="#0b0d0b" font-size="12" font-weight="600" font-family="'Geist', sans-serif" text-anchor="middle">Analytics</text>
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<text x="800" y="119" fill="#52534e" font-size="9" font-family="'Geist Mono', monospace" text-anchor="middle">Beacon · async</text>
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<!-- =================================================================
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LEGEND — horizontal strip at the bottom.
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Separator at y=504, eyebrow at y=520, items at y=540–548.
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================================================================= -->
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<line x1="56" y1="504" x2="944" y2="504" stroke="rgba(11,13,11,0.10)" stroke-width="0.8"/>
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<text x="56" y="520" fill="#52534e" font-size="8" font-family="'Geist Mono', monospace" letter-spacing="0.18em">LEGEND</text>
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<!-- Item 1: Actor swatch (coral focal) -->
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<rect x="56" y="540" width="14" height="10" rx="2" fill="rgba(247,89,31,0.08)" stroke="#f7591f" stroke-width="1"/>
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<text x="76" y="548" fill="#52534e" font-size="8.5" font-family="'Geist', sans-serif">Focal actor</text>
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<!-- Item 2: Activation bar swatch -->
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<rect x="188" y="536" width="4" height="18" fill="rgba(11,13,11,0.06)" stroke="#52534e" stroke-width="0.8"/>
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<text x="200" y="548" fill="#52534e" font-size="8.5" font-family="'Geist', sans-serif">Activation</text>
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<!-- Item 3: Request arrow (link-blue) -->
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<line x1="308" y1="546" x2="336" y2="546" stroke="#1a70c7" stroke-width="1.2" marker-end="url(#arrow-link)"/>
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<text x="344" y="548" fill="#52534e" font-size="8.5" font-family="'Geist', sans-serif">HTTP request</text>
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<!-- Item 4: Return / async (muted dashed) -->
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<line x1="476" y1="546" x2="504" y2="546" stroke="#52534e" stroke-width="1.2" stroke-dasharray="5,4" marker-end="url(#arrow)"/>
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<text x="512" y="548" fill="#52534e" font-size="8.5" font-family="'Geist', sans-serif">Return / async</text>
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<!-- Item 5: Primary response (coral) -->
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<line x1="652" y1="546" x2="680" y2="546" stroke="#f7591f" stroke-width="1.4" marker-end="url(#arrow-accent)"/>
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<text x="688" y="548" fill="#52534e" font-size="8.5" font-family="'Geist', sans-serif">Primary response</text>
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</svg>
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</div>
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</body>
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</html>
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