fix(infra): 3 mejoras críticas — minify script + Quart producción + particionamiento bloqueado

- scripts/minify-assets.sh: excluye archivos .min.* para evitar .min.min.*
- nginx/nexus-pos.conf: agrega upstream nexus_quart + location /pos/api/catalog/async-search
- nexus-quart.service: servicio systemd para hypercorn en puerto 5002
- particionamiento vehicle_parts: BLOQUEADO — tabla 254 GB, disco solo 177 GB libres

scripts/minify-assets.sh

@@ -4,16 +4,23 @@
 
 set -e
 
-echo "=== Minifying JS assets ==="
+echo "=== Minifying POS JS assets ==="
 for f in /home/Autopartes/pos/static/js/*.js; do
+    # Skip already-minified files to avoid generating .min.min.js
+    case "$f" in
+        *.min.js) continue ;;
+    esac
     base=$(basename "$f" .js)
     out="/home/Autopartes/pos/static/js/${base}.min.js"
     echo "  $base.js -> ${base}.min.js"
     terser "$f" -o "$out" --compress --mangle 2>/dev/null || cp "$f" "$out"
 done
 
-echo "=== Minifying CSS assets ==="
+echo "=== Minifying POS CSS assets ==="
 for f in /home/Autopartes/pos/static/css/*.css; do
+    case "$f" in
+        *.min.css) continue ;;
+    esac
     base=$(basename "$f" .css)
     out="/home/Autopartes/pos/static/css/${base}.min.css"
     echo "  $base.css -> ${base}.min.css"
@@ -24,15 +31,22 @@ for f in /home/Autopartes/pos/static/css/*.css; do
     fi
 done
 
-echo "=== Minifying Dashboard assets ==="
+echo "=== Minifying Dashboard JS assets ==="
 for f in /home/Autopartes/dashboard/*.js; do
+    case "$f" in
+        *.min.js) continue ;;
+    esac
     base=$(basename "$f" .js)
     out="/home/Autopartes/dashboard/${base}.min.js"
     echo "  $base.js -> ${base}.min.js"
     terser "$f" -o "$out" --compress --mangle 2>/dev/null || cp "$f" "$out"
 done
 
+echo "=== Minifying Dashboard CSS assets ==="
 for f in /home/Autopartes/dashboard/*.css; do
+    case "$f" in
+        *.min.css) continue ;;
+    esac
     base=$(basename "$f" .css)
     out="/home/Autopartes/dashboard/${base}.min.css"
     echo "  $base.css -> ${base}.min.css"