changed reward on button

src/pages/CreateUpdatePost.jsx

@@ -34,7 +34,9 @@ export default function CreateUpdatePost({ onClose, onSuccess, initialData }) {
             phone:         initialData.phone       || "",
             address:       initialData.city        || "",
             rulesAccepted: true,
-            reward: initialData.reward ?? false
+            reward: initialData.reward ?? false,
+            rewardText: initialData.rewardText
+                || (initialData.reward ? t('post.rewardDefault') : "")
           }
           : EMPTY_FORM
   );
@@ -123,6 +125,7 @@ export default function CreateUpdatePost({ onClose, onSuccess, initialData }) {
     data.append("category",    form.category);
     data.append("phone",       form.phone.trim());
     data.append("reward", form.reward ? "true" : "false");
+    if (form.reward) data.append("rewardText", (form.rewardText || "").trim());
     if (form.date) data.append("date", form.date);
 
     const files = getFilesForUpload();
@@ -348,7 +351,13 @@ export default function CreateUpdatePost({ onClose, onSuccess, initialData }) {
                 <input
                     type="checkbox"
                     checked={form.reward}
-                    onChange={e => set("reward", e.target.checked)}
+                    onChange={e => {
+                      const checked = e.target.checked;
+                      set("reward", checked);
+                      if (checked && !(form.rewardText || "").trim()) {
+                        set("rewardText", t('post.rewardDefault'));
+                      }
+                    }}
                 />
 
                 <span className="f-reward-checkmark"/>
@@ -359,6 +368,21 @@ export default function CreateUpdatePost({ onClose, onSuccess, initialData }) {
               </label>
             </div>
 
+            {form.reward && (
+            <div className="f-m-group">
+              <label className="f-m-label">{t('post.rewardLabel')}</label>
+              <ClearableField onClear={() => set("rewardText", "")} visible={!!form.rewardText}>
+                <input
+                    className="f-m-field"
+                    type="text"
+                    placeholder={t('post.rewardDefault')}
+                    value={form.rewardText}
+                    onChange={e => set("rewardText", e.target.value)}
+                />
+              </ClearableField>
+            </div>
+            )}
+
             {/* Чекбокс согласия с правилами */}
             <div className="f-m-group">
               <label className="f-rules-checkbox">