Added QFT

tools/render-qft-svg.mjs

@@ -0,0 +1,32 @@
+/* Render one QFT plate to SVG from the CLI.
+   Usage:
+     node tools/render-qft-svg.mjs --seed SEED [out.svg] [size] [k=v ...]
+   Modular sibling of tools/render-svg.mjs and render-milkweed-svg.mjs.
+*/
+import { writeFileSync } from 'node:fs';
+import { generateQFTScene } from '../src/qft/scene.js';
+import { paramsFromSeed } from '../src/qft/params.js';
+import { renderQFTSVG } from '../src/qft/renderer.js';
+
+const argv = process.argv.slice(2);
+if (argv[0] !== '--seed') {
+  console.error('usage: node tools/render-qft-svg.mjs --seed SEED [out.svg] [size] [k=v ...]');
+  process.exit(1);
+}
+const seed = argv[1] || 'QFT-001';
+const out  = argv[2] || `/tmp/qft-${seed}.svg`;
+let size   = 4800;
+if (argv[3] && !argv[3].includes('=')) size = +argv[3];
+
+const params = paramsFromSeed(seed);
+for (const a of argv) {
+  if (!a.includes('=')) continue;
+  const [k, ...rest] = a.split('=');
+  const v = rest.join('=');
+  params[k] = v === 'true' ? true : v === 'false' ? false
+    : (v.trim() !== '' && !isNaN(+v) ? +v : v);
+}
+
+const svg = renderQFTSVG(generateQFTScene(params), params, size);
+writeFileSync(out, svg);
+console.log(`QFT SVG -> ${out} (${(svg.length / 1024).toFixed(0)} KB, archetype=${params.archetype})`);