Fix inventory icons and material badges display

- Add support for boja_hex field from database
- Fix vakum/otvoreno detection to properly show inventory badges
- Update all filaments in database with correct hex color codes
- Remove duplicate text in material modifier badges
- Fix storage condition detection for Da/Ne values
- Exclude .claude directory from security checks

src/components/MaterialBadge.tsx

@@ -46,7 +46,7 @@ export const MaterialBadge: React.FC<MaterialBadgeProps> = ({ base, modifier, cl
       </span>
       {modifier && (
         <span className="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-gray-100 text-gray-800 dark:bg-gray-700 dark:text-gray-200">
-          {getModifierIcon() && <span className="font-bold">{getModifierIcon()}</span>} {modifier}
+          {modifier}
         </span>
       )}
     </div>