feat(search): add keyboard hide button and auto-hide Dock

- Add floating keyboard hide button that appears on search input focus
- Create KeyboardStore to manage keyboard state globally
- Auto-hide Dock component when keyboard is open on search page
- Position keyboard hide button at bottom when Dock is hidden
- Update keyboard state on focus, blur, and hide actions

frontend/spa/src/views/Search.vue

@@ -108,7 +108,7 @@
     <button
         v-if="showHideKeyboardButton"
         @click="handleHideKeyboardClick"
-        class="btn btn-circle btn-primary fixed bottom-20 right-4 z-50 shadow-lg"
+        class="btn btn-circle btn-primary fixed bottom-4 right-4 z-50 shadow-lg"
         type="button"
         aria-label="Скрыть клавиатуру"
     >
@@ -124,6 +124,7 @@ import {useSearchStore} from "@/stores/SearchStore.js";
 import {useDebounceFn} from "@vueuse/core";
 import {computed, onMounted, ref} from "vue";
 import {useYaMetrikaStore} from "@/stores/yaMetrikaStore.js";
+import {useKeyboardStore} from "@/stores/KeyboardStore.js";
 import {useRoute} from "vue-router";
 import {YA_METRIKA_GOAL} from "@/constants/yaMetrikaGoals.js";
 import BaseViewWrapper from "@/views/BaseViewWrapper.vue";
@@ -133,6 +134,7 @@ import {renderSmartNumber} from "../helpers.js";
 const route = useRoute();
 const yaMetrika = useYaMetrikaStore();
 const searchStore = useSearchStore();
+const keyboardStore = useKeyboardStore();
 const searchInput = ref(null);
 const debouncedSearch = useDebounceFn(() => searchStore.performSearch(), 800);
 
@@ -156,24 +158,28 @@ const handleEnter = (event) => {
 const handleSearch = () => {
   hideKeyboard();
   showHideKeyboardButton.value = false;
+  keyboardStore.setOpen(false);
 };
 
 const showHideKeyboardButton = ref(false);
 
 const handleFocus = () => {
   showHideKeyboardButton.value = true;
+  keyboardStore.setOpen(true);
 };
 
 const handleBlur = () => {
   // Не скрываем сразу, даем время на клик по кнопке
   setTimeout(() => {
     showHideKeyboardButton.value = false;
+    keyboardStore.setOpen(false);
   }, 200);
 };
 
 const handleHideKeyboardClick = () => {
   hideKeyboard();
   showHideKeyboardButton.value = false;
+  keyboardStore.setOpen(false);
   if (searchInput.value) {
     searchInput.value.blur();
   }