feat: Обновление компонента CommunitiesManager с добавлением новых иконок, улучшением валидации форм и стилизации. Внедрены сохраненные фильтры для более удобного поиска и сортировки, а также улучшена навигация по страницам.

frontend/src/CommunitiesManager.jsx

@@ -15,7 +15,9 @@ import {
   IconHash,
   IconFilter,
   IconChartBar,
-  IconList
+  IconList,
+  IconArrowUp,
+  IconArrowDown
 } from '@tabler/icons-react';
 import PageHeaderActions from './components/PageHeaderActions.jsx';
 import PageHeader from './components/PageHeader.jsx';
@@ -23,6 +25,7 @@ import EmptyState from './components/EmptyState.jsx';
 import { TableEmpty } from './components/TableSkeleton.jsx';
 import Breadcrumbs from './components/Breadcrumbs.jsx';
 import CommunityStats from './components/CommunityStats.jsx';
+import SavedFilters from './components/SavedFilters.jsx';
 
 const API_URL = '/api';
 
@@ -298,16 +301,24 @@ function CommunitiesManager() {
       {activeTab === 'list' && (
       <div className="row g-3">
         <div className="col-lg-3">
-          <div className="card card-md">
-            <div className="card-header"><h3 className="card-title"><IconPlus className="me-2" />Добавить</h3></div>
+          <div className="card card-md animate-in">
+            <div className="card-header bg-primary-lt"><h3 className="card-title text-primary"><IconPlus className="me-2" />Добавить</h3></div>
             <div className="card-body">
               <div className="mb-2">
-                <label className="form-label">Value</label>
-                <input className="form-control" value={newItem.value} onChange={(e)=>setNewItem({...newItem, value:e.target.value})} placeholder="65001:200 или 100" />
+                <label className="form-label required">Value</label>
+                <div className="input-icon">
+                  <span className="input-icon-addon"><IconHash size={18} /></span>
+                  <input className={`form-control${newItem.value && !/^(\d+|\d+:\d+)$/.test(String(newItem.value).trim()) ? ' is-invalid' : (newItem.value ? ' is-valid' : '')}`} value={newItem.value} onChange={(e)=>setNewItem({...newItem, value:e.target.value})} placeholder="65001:200 или 100" />
+                </div>
+                {newItem.value && !/^(\d+|\d+:\d+)$/.test(String(newItem.value).trim()) && (<div className="invalid-feedback">Формат: число или N:N</div>)}
+                {newItem.value && /^(\d+|\d+:\d+)$/.test(String(newItem.value).trim()) && (<div className="valid-feedback">Корректно</div>)}
               </div>
               <div className="mb-2">
                 <label className="form-label">Название</label>
-                <input className="form-control" value={newItem.name} onChange={(e)=>setNewItem({...newItem, name:e.target.value})} placeholder="Напр. Social" />
+                <div className="input-icon">
+                  <span className="input-icon-addon"><IconFilter size={18} /></span>
+                  <input className="form-control" value={newItem.name} onChange={(e)=>setNewItem({...newItem, name:e.target.value})} placeholder="Напр. Social" />
+                </div>
               </div>
               <div className="mb-2">
                 <label className="form-label">Описание</label>
@@ -325,7 +336,7 @@ function CommunitiesManager() {
                 <label className="form-label">Цвет бейджа (опц.)</label>
                 <input className="form-control" value={newItem.color} onChange={(e)=>setNewItem({...newItem, color:e.target.value})} placeholder="blue, green, red ..." />
               </div>
-              <button className="btn btn-primary w-100" onClick={addItem}><IconPlus className="me-2" />Добавить</button>
+              <button className="btn btn-primary w-100" onClick={addItem} disabled={!/^(\d+|\d+:\d+)$/.test(String(newItem.value || '').trim())}><IconPlus className="me-2" />Добавить</button>
             </div>
           </div>
 
@@ -333,20 +344,55 @@ function CommunitiesManager() {
         </div>
 
         <div className="col-lg-9">
-          <div className="card">
-            <div className="card-header d-flex justify-content-between align-items-center">
-              <h3 className="card-title mb-0">Список community <span className="badge bg-blue-lt text-blue ms-2">{items.length}</span></h3>
-              <div className="input-icon w-50">
-                <span className="input-icon-addon"><IconSearch size={18} /></span>
-                <input className="form-control" placeholder="Поиск по value, названию, описанию и тегам" value={searchTerm} onChange={(e)=>{setSearchTerm(e.target.value); setCurrentPage(1);}} />
+          <div className="card animate-in" style={{animationDelay: '0.2s'}}>
+            <div className="card-header">
+              <div className="row align-items-center w-100 g-2">
+                <div className="col-auto">
+                  <h3 className="card-title mb-0"><IconFilter className="icon me-2" size={20} />Список community <span className="badge bg-blue-lt text-blue ms-2">{filtered.length}</span></h3>
+                </div>
+                <div className="col">
+                  <div className="d-flex gap-2 flex-wrap">
+                    <SavedFilters
+                      pageKey="communities"
+                      currentFilters={{ searchTerm, sortField, sortOrder }}
+                      onApplyFilter={(filters) => {
+                        if (filters.searchTerm !== undefined) setSearchTerm(filters.searchTerm);
+                        if (filters.sortField !== undefined) setSortField(filters.sortField);
+                        if (filters.sortOrder !== undefined) setSortOrder(filters.sortOrder);
+                        setCurrentPage(1);
+                      }}
+                    />
+                    <div className="input-icon flex-grow-1" style={{ minWidth: '200px', position: 'relative' }}>
+                      <span className="input-icon-addon"><IconSearch size={18} /></span>
+                      <input className="form-control" placeholder="Поиск по value, названию, описанию и тегам" value={searchTerm} onChange={(e)=>{setSearchTerm(e.target.value); setCurrentPage(1);}} style={{ paddingRight: searchTerm ? '2.5rem' : undefined }} />
+                      {!!searchTerm && (
+                        <button type="button" className="btn btn-ghost-secondary btn-icon btn-sm" style={{ position: 'absolute', right: '0.25rem', top: '50%', transform: 'translateY(-50%)', zIndex: 2 }} aria-label="Очистить поиск" onClick={()=>{ setSearchTerm(''); setCurrentPage(1); }}>
+                          <IconX size={16} />
+                        </button>
+                      )}
+                    </div>
+                  </div>
+                </div>
               </div>
             </div>
             <div className="table-responsive">
               <table className="table card-table table-vcenter table-nowrap mb-0">
                 <thead>
                    <tr>
-                    <th className="cursor-pointer" onClick={()=>changeSort('value')}>Value {sortField==='value' && <span className="ms-1">{sortOrder==='asc'?'▲':'▼'}</span>}</th>
-                    <th className="cursor-pointer" onClick={()=>changeSort('name')}>Название {sortField==='name' && <span className="ms-1">{sortOrder==='asc'?'▲':'▼'}</span>}</th>
+                    <th className="cursor-pointer user-select-none" onClick={()=>changeSort('value')}>
+                      <div className="d-flex align-items-center">
+                        <IconHash size={16} className="me-1 text-muted" />
+                        Value
+                        {sortField==='value' && <span className="ms-1">{sortOrder==='asc'? <IconArrowUp size={14} /> : <IconArrowDown size={14} />}</span>}
+                      </div>
+                    </th>
+                    <th className="cursor-pointer user-select-none" onClick={()=>changeSort('name')}>
+                      <div className="d-flex align-items-center">
+                        <IconFilter size={16} className="me-1 text-muted" />
+                        Название
+                        {sortField==='name' && <span className="ms-1">{sortOrder==='asc'? <IconArrowUp size={14} /> : <IconArrowDown size={14} />}</span>}
+                      </div>
+                    </th>
                     <th>Описание</th>
                     <th>Теги</th>
                     <th>Gateway</th>
@@ -360,8 +406,8 @@ function CommunitiesManager() {
                     <tr><td colSpan={6} className="text-center text-muted py-4">
                       <EmptyState title="Нет community" description="Добавьте запись, чтобы начать." action={<button className="btn btn-primary" onClick={addItem}>Добавить</button>} />
                     </td></tr>
-                  ) : paginated.map((item) => (
-                     <tr key={item.value} className={editingValue === item.value ? 'table-info' : ''}>
+                  ) : paginated.map((item, idx) => (
+                     <tr key={item.value} className={editingValue === item.value ? 'table-active' : ''} style={{ animation: `fadeIn 0.3s ease ${idx * 0.02}s both` }}>
                       <td>
                         {editingValue === item.value ? (
                           <input className="form-control form-control-sm" value={editingDraft.value} onChange={(e)=>setEditingDraft({...editingDraft, value:e.target.value})} ref={editRef} />
@@ -419,22 +465,34 @@ function CommunitiesManager() {
               </table>
             </div>
             {totalPages > 1 && (
-              <div className="card-footer d-flex align-items-center justify-content-between">
-                <div className="text-muted">Показано {((page - 1) * pageSize) + 1} - {Math.min(page * pageSize, filtered.length)} из {filtered.length}</div>
-                <ul className="pagination m-0">
-                  <li className={`page-item${page === 1 ? ' disabled' : ''}`}>
-                    <button className="page-link" onClick={()=>setCurrentPage(1)} disabled={page===1}>Первая</button>
-                  </li>
-                  <li className={`page-item${page === 1 ? ' disabled' : ''}`}>
-                    <button className="page-link" onClick={()=>setCurrentPage(page-1)} disabled={page===1}>Назад</button>
-                  </li>
-                  <li className={`page-item${page === totalPages ? ' disabled' : ''}`}>
-                    <button className="page-link" onClick={()=>setCurrentPage(page+1)} disabled={page===totalPages}>Вперед</button>
-                  </li>
-                  <li className={`page-item${page === totalPages ? ' disabled' : ''}`}>
-                    <button className="page-link" onClick={()=>setCurrentPage(totalPages)} disabled={page===totalPages}>Последняя</button>
-                  </li>
-                </ul>
+              <div className="card-footer">
+                <div className="d-flex align-items-center justify-content-between flex-wrap gap-2">
+                  <div className="text-muted small">Показано <strong>{((page - 1) * pageSize) + 1}</strong> - <strong>{Math.min(page * pageSize, filtered.length)}</strong> из <strong>{filtered.length}</strong></div>
+                  <ul className="pagination m-0">
+                    <li className={`page-item${page === 1 ? ' disabled' : ''}`}>
+                      <button className="page-link" onClick={()=>setCurrentPage(1)} disabled={page===1} aria-label="Первая страница">
+                        <IconArrowUp size={14} style={{ transform: 'rotate(-90deg)' }} />
+                      </button>
+                    </li>
+                    <li className={`page-item${page === 1 ? ' disabled' : ''}`}>
+                      <button className="page-link" onClick={()=>setCurrentPage(page-1)} disabled={page===1} aria-label="Предыдущая страница">
+                        <IconArrowUp size={14} style={{ transform: 'rotate(-90deg)' }} />
+                        <span className="d-none d-sm-inline ms-1">Назад</span>
+                      </button>
+                    </li>
+                    <li className={`page-item${page === totalPages ? ' disabled' : ''}`}>
+                      <button className="page-link" onClick={()=>setCurrentPage(page+1)} disabled={page===totalPages} aria-label="Следующая страница">
+                        <span className="d-none d-sm-inline me-1">Вперед</span>
+                        <IconArrowDown size={14} style={{ transform: 'rotate(-90deg)' }} />
+                      </button>
+                    </li>
+                    <li className={`page-item${page === totalPages ? ' disabled' : ''}`}>
+                      <button className="page-link" onClick={()=>setCurrentPage(totalPages)} disabled={page===totalPages} aria-label="Последняя страница">
+                        <IconArrowDown size={14} style={{ transform: 'rotate(-90deg)' }} />
+                      </button>
+                    </li>
+                  </ul>
+                </div>
               </div>
             )}
           </div>