fix: keep mobile filter resets intentional

vehicle-data-platform/apps/web/src/v2/pages/VehicleSearchWorkspace.tsx

@@ -135,12 +135,9 @@ export default function VehicleSearchWorkspace() {
     setCandidatesOpen(false);
     setFiltersCollapsed(true);
   };
-  const resetMobileFilters = () => {
+  const resetMobileDraft = () => {
     setDraftKeyword('');
-    setKeyword('');
-    setPage(1);
     setCandidatesOpen(false);
-    setFiltersCollapsed(true);
   };
   const submit = (event: FormEvent) => {
     event.preventDefault();
@@ -183,7 +180,7 @@ export default function VehicleSearchWorkspace() {
           title="查找车辆"
           description="车牌优先，支持 VIN 与终端手机号"
           onCancel={closeMobileFilters}
-          secondaryAction={{ label: '重置范围', onClick: resetMobileFilters }}
+          secondaryAction={{ label: '重置范围', onClick: resetMobileDraft }}
           primaryAction={{ label: '应用搜索', onClick: applyMobileFilters }}
         >
           <form className="v2-vehicle-mobile-filter-form" onSubmit={submitMobileFilters}>