fix: pipeline asset riproducibile con script di ottimizzazione

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

scripts/apply-asset-map.mjs

@@ -1,3 +1,8 @@
+// Pipeline asset: extract-fig-images.sh → apply-asset-map.mjs → optimize-assets.sh
+// 1. extract-fig-images.sh: estrae hash-named images da .fig → assets-src/
+// 2. apply-asset-map.mjs:   copia da assets-src/ → destinazioni (src/assets/img, public/img)
+// 3. optimize-assets.sh:    converte PNG fotografici → JPG q85, ridimensiona ≤1400px
+
 import { copyFileSync, mkdirSync, existsSync } from 'node:fs';
 import { readFileSync } from 'node:fs';
 import { join, dirname } from 'node:path';
@@ -6,7 +11,10 @@ import { fileURLToPath } from 'node:url';
 const root = join(dirname(fileURLToPath(import.meta.url)), '..');
 const map = JSON.parse(readFileSync(join(root, 'scripts/asset-map.json'), 'utf8'));
 let n = 0, missing = 0;
+
+// Sezione principale: copia da assets-src/
 for (const [destDir, entries] of Object.entries(map)) {
+  if (destDir === 'fallbacks') continue;
   mkdirSync(join(root, destDir), { recursive: true });
   for (const [src, dest] of Object.entries(entries)) {
     const from = join(root, 'assets-src', src);
@@ -15,5 +23,19 @@ for (const [destDir, entries] of Object.entries(map)) {
     n++;
   }
 }
+
+// Sezione fallbacks: copia da path relativo alla root del repo (es. ../Dati/)
+if (map.fallbacks) {
+  for (const [destDir, entries] of Object.entries(map.fallbacks)) {
+    mkdirSync(join(root, destDir), { recursive: true });
+    for (const [srcRelPath, dest] of Object.entries(entries)) {
+      const from = join(root, srcRelPath);
+      if (!existsSync(from)) { console.error(`MANCANTE (fallback): ${srcRelPath}`); missing++; continue; }
+      copyFileSync(from, join(root, destDir, dest));
+      n++;
+    }
+  }
+}
+
 console.log(`Copiate ${n} immagini${missing ? `, ${missing} mancanti` : ''}`);
 process.exit(missing ? 1 : 0);