Add product AI fill, Enter-to-filter, and URL-persisted product filters.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/business/src/pages/WebsiteContactPage.tsx

@@ -119,7 +119,7 @@ export function WebsiteContactPage() {
 
       <div className={filterStyles.filtersPanel}>
         <div className={filterStyles.filtersTitle}>{t('website.contact.filters')}</div>
-        <div className={filterStyles.filtersGrid}>
+        <form className={filterStyles.filtersGrid} onSubmit={(e) => { e.preventDefault(); applyFilters() }}>
           <div className={filterStyles.filtersInputs}>
             <div className={`${filterStyles.field} ${filterStyles.fieldCol4}`}>
               <input
@@ -128,17 +128,13 @@ export function WebsiteContactPage() {
                 onChange={(e) => setDraftQuery(e.target.value)}
                 placeholder={t('website.contact.searchPlaceholder')}
                 aria-label={t('website.contact.search')}
-                onKeyDown={(e) => {
-                  if (e.key === 'Enter') applyFilters()
-                }}
               />
             </div>
           </div>
           <div className={filterStyles.filterActions}>
             <button
-              type="button"
+              type="submit"
               className={`${filterStyles.iconActionBtn} ${filterStyles.iconActionBtnPrimary}`}
-              onClick={applyFilters}
               disabled={loading}
               aria-label={t('website.contact.search')}
               title={t('website.contact.search')}
@@ -156,7 +152,7 @@ export function WebsiteContactPage() {
               <RotateCcw size={18} />
             </button>
           </div>
-        </div>
+        </form>
       </div>
 
       <div className={styles.tablePanel}>