feat(listing): portfolio-first archive, case-study hero, row action links
/posts/ and /zh/posts/ become hybrid: three fixed-slug flagship cards above the complete year/month archive, with the flagship block collapsing (inert, h=0) as soon as the reader filters. /categories/case-studies/ becomes a portfolio: compact two-column hero with a 21:9 deterministic topology banner, flagship ordering from lib/portfolio.ts instead of pubDate, and one measured pill per card. Also fixes what the screenshot review turned up: ZH archive rows and category chips were printing raw English slugs, the two chip strips were unlabelled and read as one list with a duplicated 'devops', card meta rows broke rhythm past four tags, the nav had no current-section indicator, and mobile title links were under the 44px tap minimum. scripts/probe-layout.mjs is the repeatable gate: 72/72 page x viewport checks and the collapse test.
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/**
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* Generates the case-studies portfolio banner — 21:9, no baked-in text.
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*
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* The consultant's spec for /categories/case-studies/ asks for a wide architecture
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* visual: three production hosts, Docker, Prometheus and the automation flow, in a
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* dark terminal grey-green with restrained warm-copper accents, rendered into a
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* 240–300 px tall band beside the hero copy. Everything here is geometry, no words:
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* at that display height any label would be unreadable, and the headline copy has to
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* stay semantic HTML.
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*
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* Deterministic (seeded), so regenerating never churns the committed asset.
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*
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* node scripts/gen-case-studies-banner.mjs
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*
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* Writes:
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* public/images/categories/case-studies-banner.webp 2400x1029 (21:9)
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* public/images/categories/case-studies-banner-1200.webp 1200x514
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* public/images/categories/case-studies-banner.svg the source geometry
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*/
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import { mkdir, stat, writeFile } from 'node:fs/promises';
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import path from 'node:path';
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import sharp from 'sharp';
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const W = 2400;
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const H = 1029; // 21:9
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// Host panels: the real fleet is 3 hosts / 162 containers, and the visual carries the
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// same proportions (Unraid 62, Synology 78, VPS 22) so the art is not decorative lies.
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const HOSTS = [
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{ x: 130, y: 300, w: 300, rows: 10, cols: 10, count: 62, hot: [3, 17, 41] },
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{ x: 520, y: 210, w: 320, rows: 12, cols: 10, count: 78, hot: [2, 9, 33, 60] },
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{ x: 930, y: 396, w: 280, rows: 7, cols: 10, count: 22, hot: [6, 15] },
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];
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const HUB = { cx: 1560, cy: 514 };
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// Deterministic pseudo-random: same seed -> same picture, forever.
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function rnd(seed) {
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let s = seed;
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return () => {
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s = (s * 1103515245 + 12345) % 2147483648;
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return s / 2147483648;
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};
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}
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function hostHeight(host) {
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return 26 + 14 * 2 + host.rows * 15;
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}
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function hostPanel(host, seed) {
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const r = rnd(seed);
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const head = 26;
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const pad = 14;
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const cols = host.cols;
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const cw = 20;
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const ch = 11;
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const gx = (host.w - pad * 2 - cols * cw) / (cols - 1);
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const gy = 15;
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const h = hostHeight(host);
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const chips = [];
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let drawn = 0;
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const hot = new Set(host.hot);
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for (let row = 0; row < host.rows && drawn < host.count; row++) {
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for (let col = 0; col < cols && drawn < host.count; col++) {
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const i = row * cols + col;
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const accent = hot.has(i)
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? '#d08b4a'
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: r() > 0.86
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? '#4fae7a'
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: r() > 0.5
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? '#3a7157'
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: '#2e5c48';
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chips.push(
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`<rect x="${(host.x + pad + col * (cw + gx)).toFixed(1)}" y="${(host.y + head + pad + row * gy).toFixed(1)}" width="${cw}" height="${ch}" rx="2.5" fill="${accent}" />`,
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);
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drawn++;
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}
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}
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return `<g>
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<rect x="${host.x}" y="${host.y}" width="${host.w}" height="${h}" rx="12" fill="#0f1d18" stroke="#2f5342" stroke-width="1.8" />
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<path d="M ${host.x} ${host.y + head} h ${host.w}" stroke="#355944" stroke-width="1.4" />
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<circle cx="${host.x + 18}" cy="${host.y + 13}" r="4" fill="#4fae7a" />
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<circle cx="${host.x + 32}" cy="${host.y + 13}" r="4" fill="#3a7157" />
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<circle cx="${host.x + 46}" cy="${host.y + 13}" r="4" fill="#d08b4a" />
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<rect x="${host.x + host.w - 44}" y="${host.y + 8}" width="32" height="10" rx="5" fill="#1d3229" />
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${chips.join('\n ')}
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<rect x="${host.x + pad}" y="${host.y + h - 12}" width="${host.w - pad * 2}" height="2" rx="1" fill="#3a7157" opacity="0.8" />
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<rect x="${host.x + host.w / 2 - 26}" y="${host.y + h + 8}" width="52" height="4" rx="2" fill="#2f5342" />
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</g>`;
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}
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/** A Prometheus-ish readout hub: concentric rings, a flame glyph, four metric tiles. */
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function hub() {
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const { cx, cy } = HUB;
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const tiles = [
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{ top: cy - 196, pts: '0,34 14,26 28,30 42,16 56,20 70,8 84,12' },
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{ top: cy - 66, pts: '0,10 14,22 28,14 42,28 56,18 70,30 84,22' },
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{ top: cy + 66, pts: '0,28 14,12 28,20 42,6 56,14 70,10 84,18' },
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{ top: cy + 196, pts: '0,20 14,18 28,24 42,12 56,16 70,6 84,14' },
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].map((t) => ({ ...t, x: cx + 206, y: t.top - 43 }));
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const tileSvg = tiles.map(
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(t) => `<g>
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<rect x="${t.x}" y="${t.y}" width="160" height="86" rx="10" fill="#0f1d18" stroke="#2f5342" stroke-width="1.4" />
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<polyline points="${t.pts
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.split(' ')
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.map((p) => {
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const [a, b] = p.split(',').map(Number);
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return `${t.x + 16 + a},${t.y + 48 + (b - 20)}`;
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})
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.join(' ')}" fill="none" stroke="#d08b4a" stroke-width="2.2" stroke-linejoin="round" stroke-linecap="round" opacity="0.95" />
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<rect x="${t.x + 16}" y="${t.y + 16}" width="46" height="6" rx="3" fill="#3a7157" />
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</g>`,
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);
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return `<g>
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<circle cx="${cx}" cy="${cy}" r="196" fill="none" stroke="#3a7157" stroke-width="1.4" stroke-dasharray="4 9" opacity="0.9" />
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<circle cx="${cx}" cy="${cy}" r="152" fill="none" stroke="#4a8f6f" stroke-width="1.6" opacity="0.85" />
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<circle cx="${cx}" cy="${cy}" r="110" fill="#0d1f1a" stroke="#528b74" stroke-width="2.2" />
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<circle cx="${cx}" cy="${cy}" r="110" fill="url(#hubGlow)" opacity="0.55" />
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<path d="M ${cx} ${cy - 52} c 30 25 39 39 39 57 a 39 39 0 0 1 -78 0 c 0 -18 9 -32 39 -57 z" fill="#d08b4a" />
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<path d="M ${cx} ${cy - 18} c 14 14 18 21 18 30 a 18 18 0 0 1 -36 0 c 0 -9 4 -16 18 -30 z" fill="#0d1f1a" opacity="0.72" />
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${tileSvg.join('\n ')}
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</g>`;
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}
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/**
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* Hosts → hub wiring, drawn as a network bus rather than three curves across the
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* panels: each host drops a stub into a shared copper bus below the fleet, and the
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* bus rises into the hub's outer ring. Crossing the panels looked like a mistake at
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* banner size, which is exactly the kind of detail nobody should have to decode.
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*/
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function flows() {
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const busY = 760;
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const busX = HUB.cx;
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const drops = HOSTS.map((host) => {
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const x = host.x + host.w / 2;
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const y0 = host.y + hostHeight(host) + 22;
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return `<g>
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<path d="M ${x} ${y0} V ${busY - 6}" fill="none" stroke="#d08b4a" stroke-width="2.4" opacity="0.7" />
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<circle cx="${x}" cy="${y0}" r="4.5" fill="#d08b4a" />
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<circle cx="${x}" cy="${busY}" r="4" fill="#e8ab76" />
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</g>`;
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}).join('\n ');
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return `<g>
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<path d="M 300 ${busY} H ${busX}" fill="none" stroke="#d08b4a" stroke-width="3" opacity="0.7" stroke-linecap="round" />
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<path d="M ${busX} ${busY} V ${HUB.cy + 200}" fill="none" stroke="#d08b4a" stroke-width="3" opacity="0.7" />
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<circle cx="${busX}" cy="${HUB.cy + 200}" r="5" fill="#e8ab76" />
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${drops}
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</g>`;
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}
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/** The automation tail: hub → three workflow nodes, drawn as a green chain. */
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function automation() {
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const nodes = [
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{ x: 1960, y: 320, w: 170, h: 112 },
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{ x: 2160, y: 470, w: 170, h: 112 },
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{ x: 1960, y: 620, w: 170, h: 112 },
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];
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const chain = nodes
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.map(
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(n) => `<g>
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<rect x="${n.x}" y="${n.y}" width="${n.w}" height="${n.h}" rx="10" fill="#0f1d18" stroke="#3a7157" stroke-width="1.6" />
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<rect x="${n.x + 18}" y="${n.y + 22}" width="62" height="7" rx="3.5" fill="#4fae7a" />
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<rect x="${n.x + 18}" y="${n.y + 44}" width="112" height="6" rx="3" fill="#2e5c48" />
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<rect x="${n.x + 18}" y="${n.y + 62}" width="84" height="6" rx="3" fill="#2e5c48" />
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<circle cx="${n.x + n.w - 24}" cy="${n.y + 26}" r="5.5" fill="#4fae7a" />
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<circle cx="${n.x + n.w - 24}" cy="${n.y + 26}" r="12" fill="none" stroke="#4fae7a" stroke-width="1.2" opacity="0.5" />
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</g>`,
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)
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.join('\n ');
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return `<g>
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<path d="M ${HUB.cx + 200} ${HUB.cy - 20} C 1860 ${HUB.cy - 20}, 1860 376, 1960 376" fill="none" stroke="#5fd3a0" stroke-width="2.6" opacity="0.85" stroke-dasharray="8 7" />
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<path d="M 2130 376 C 2240 376, 2220 526, 2160 526" fill="none" stroke="#5fd3a0" stroke-width="2.6" opacity="0.85" stroke-dasharray="8 7" />
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<path d="M 2245 582 C 2245 640, 2160 676, 2130 676" fill="none" stroke="#5fd3a0" stroke-width="2.6" opacity="0.85" stroke-dasharray="8 7" />
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${chain}
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</g>`;
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}
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const svg = `<svg xmlns="http://www.w3.org/2000/svg" width="${W}" height="${H}" viewBox="0 0 ${W} ${H}" role="img">
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<defs>
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<linearGradient id="bg" x1="0" y1="0" x2="1" y2="1">
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<stop offset="0" stop-color="#08120f" />
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<stop offset="0.55" stop-color="#0c1a15" />
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<stop offset="1" stop-color="#0a1512" />
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</linearGradient>
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<radialGradient id="copperGlow" cx="0.18" cy="0.9" r="0.7">
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<stop offset="0" stop-color="#c07a3e" stop-opacity="0.16" />
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<stop offset="1" stop-color="#c07a3e" stop-opacity="0" />
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</radialGradient>
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<radialGradient id="hubGlow" cx="0.5" cy="0.45" r="0.6">
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<stop offset="0" stop-color="#d08b4a" stop-opacity="0.55" />
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<stop offset="1" stop-color="#d08b4a" stop-opacity="0" />
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</radialGradient>
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<pattern id="grid" width="48" height="48" patternUnits="userSpaceOnUse">
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<path d="M 48 0 L 0 0 0 48" fill="none" stroke="#8fb3a2" stroke-width="0.5" opacity="0.06" />
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</pattern>
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</defs>
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<rect width="${W}" height="${H}" fill="url(#bg)" />
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<rect width="${W}" height="${H}" fill="url(#grid)" />
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<rect width="${W}" height="${H}" fill="url(#copperGlow)" />
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<!-- baseline: the network everything sits on -->
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<path d="M 60 ${H - 120} H ${W - 60}" stroke="#2f5342" stroke-width="2" />
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<path d="M 60 ${H - 120} H ${W - 60}" stroke="#d08b4a" stroke-width="2" stroke-dasharray="120 26 8 26" opacity="0.45" />
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${Array.from({ length: 24 }, (_, i) => `<rect x="${90 + i * 96}" y="${H - 136}" width="2" height="30" fill="#2f5342" />`).join('\n ')}
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<g transform="translate(0, 24)">
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${HOSTS.map((h, i) => hostPanel(h, 97 + i * 13)).join('\n ')}
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${flows()}
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${hub()}
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${automation()}
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</g>
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</svg>`;
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const outDir = path.join(process.cwd(), 'public', 'images', 'categories');
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await mkdir(outDir, { recursive: true });
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await sharp(Buffer.from(svg)).webp({ quality: 82 }).toFile(path.join(outDir, 'case-studies-banner.webp'));
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await sharp(Buffer.from(svg))
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.resize(1200, 514, { fit: 'fill' })
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.webp({ quality: 80 })
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.toFile(path.join(outDir, 'case-studies-banner-1200.webp'));
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// Keep the source next to the render so a future edit does not have to reverse-engineer
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// the geometry out of a WebP.
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await writeFile(path.join(outDir, 'case-studies-banner.svg'), svg, 'utf8');
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const report = [];
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for (const f of ['case-studies-banner.webp', 'case-studies-banner-1200.webp']) {
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const { size } = await stat(path.join(outDir, f));
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report.push(`${f}: ${(size / 1024).toFixed(1)} KB`);
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}
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console.log(report.join('\n'));
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