feat(ui): simplify clear history confirmation modal: confirmation now relies on two checkboxes only.

frontend/src/components/ClearHistoryModal.tsx

@@ -1,8 +1,6 @@
 import { useState } from 'react';
 import { clearAllTransactions } from '../api/transactions';
 
-const CONFIRM_WORD = 'УДАЛИТЬ';
-
 interface Props {
   onClose: () => void;
   onDone: () => void;
@@ -10,15 +8,11 @@ interface Props {
 
 export function ClearHistoryModal({ onClose, onDone }: Props) {
   const [check1, setCheck1] = useState(false);
-  const [confirmInput, setConfirmInput] = useState('');
   const [check2, setCheck2] = useState(false);
   const [loading, setLoading] = useState(false);
   const [error, setError] = useState('');
 
-  const canConfirm =
-    check1 &&
-    confirmInput.trim().toUpperCase() === CONFIRM_WORD &&
-    check2;
+  const canConfirm = check1 && check2;
 
   const handleConfirm = async () => {
     if (!canConfirm || loading) return;
@@ -65,20 +59,6 @@ export function ClearHistoryModal({ onClose, onDone }: Props) {
             </label>
           </div>
 
-          <div className="form-group">
-            <label>
-              Введите <strong>{CONFIRM_WORD}</strong> для подтверждения
-            </label>
-            <input
-              type="text"
-              value={confirmInput}
-              onChange={(e) => setConfirmInput(e.target.value)}
-              placeholder={CONFIRM_WORD}
-              className={confirmInput && confirmInput.trim().toUpperCase() !== CONFIRM_WORD ? 'input-error' : ''}
-              autoComplete="off"
-            />
-          </div>
-
           <div className="form-group form-group-checkbox clear-history-check">
             <label>
               <input