FASE 7d: Lazy Loading + Minificación + Auto-serve minified
Cambios implementados: 1. Lazy loading de imágenes: - catalog.js: loading="lazy" decoding="async" en part cards y detail panel - inventory.js: lazy loading en imagen de detalle de item 2. Minificación de assets: - scripts/minify-assets.sh: minifica JS (terser) y CSS para POS y Dashboard - 25 archivos .min.js + 5 .min.css generados en pos/static/ - 14 archivos .min.js + 8 .min.css generados en dashboard/ 3. Nginx auto-serve minified: - try_files $1.min.js antes de servir .js original - try_files $1.min.css antes de servir .css original - Transparente para los templates HTML (cero cambios en HTML) 4. Cache warming script: - scripts/warm_vehicle_cache.py: pobla Redis con vehicle info por batches - Mitiga DISTINCT ON + 4 JOINs sobre 2B filas - Corre en background, procesa ~1.5M parts Tests: 73/73 pasando
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@@ -32,6 +32,21 @@ server {
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add_header X-Content-Type-Options nosniff always;
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}
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# Auto-serve minified JS/CSS when available (transparent to templates)
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location ~* ^(.+)\.js$ {
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try_files $1.min.js $uri =404;
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expires 6M;
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add_header Cache-Control "public, immutable";
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add_header X-Content-Type-Options nosniff always;
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}
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location ~* ^(.+)\.css$ {
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try_files $1.min.css $uri =404;
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expires 6M;
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add_header Cache-Control "public, immutable";
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add_header X-Content-Type-Options nosniff always;
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}
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location / {
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proxy_pass http://nexus_main;
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proxy_set_header Host $host;
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