fix(ventas): add generateUid fallback for non-secure contexts (HTTP)

src/main/resources/META-INF/resources/static/js/shots.js

@@ -1,4 +1,10 @@
 window.shots = {
+  generateUid() {
+    if (typeof crypto !== 'undefined' && typeof crypto.randomUUID === 'function') {
+      return crypto.randomUUID();
+    }
+    return Date.now().toString(36) + '-' + Math.random().toString(36).slice(2, 10);
+  },
   WEIGHTS: {
     Soulshot:           { D: 3, C: 3, B: 2, A: 2, S: 2 },
     Spiritshot:         { D: 5, C: 3, B: 3, A: 2, S: 2 },
@@ -72,7 +78,7 @@ window.shots = {
       const grado = m[2].toUpperCase();
       const cantidad = parseInt(m[3].replace(/[.,]/g, ''), 10);
       if (!this.WEIGHTS[tipo]?.[grado]) continue;
-      parsed.push({ uid: crypto.randomUUID(), tipo, grado, cantidad });
+      parsed.push({ uid: this.generateUid(), tipo, grado, cantidad });
     }
     return parsed;
   },

src/main/resources/templates/PageResource/ventas.html

@@ -303,7 +303,7 @@
         },
 
         addItem() {
-          this.form.items.push({ uid: crypto.randomUUID(), tipo: '', grado: '', cantidad: null });
+          this.form.items.push({ uid: window.shots.generateUid(), tipo: '', grado: '', cantidad: null });
         },
 
         removeItem(idx) {