Admin: password change field for users

- Virtual password field in AdminJS user edit form
- Auto-hashes with bcrypt on save (edit + new actions)
- Leave empty to keep current password
- Description hint in UI

lib/admin.js

@@ -101,12 +101,39 @@ async function setupAdmin(app) {
         options: {
           navigation: { name: 'Пользователи', icon: 'User' },
           listProperties: ['id', 'email', 'display_name', 'role', 'is_blocked', 'last_login'],
-          editProperties: ['email', 'display_name', 'role', 'is_blocked'],
+          editProperties: ['email', 'display_name', 'role', 'is_blocked', 'password'],
           showProperties: ['id', 'email', 'display_name', 'role', 'is_blocked', 'created_at', 'last_login'],
           properties: {
             password_hash: { isVisible: false },
+            password: {
+              type: 'password',
+              isVisible: { list: false, show: false, edit: true, filter: false },
+              description: 'Оставьте пустым чтобы не менять',
+            },
             role: { availableValues: [{ value: 'user', label: 'User' }, { value: 'admin', label: 'Admin' }] },
           },
+          actions: {
+            edit: {
+              before: async (request) => {
+                if (request.payload && request.payload.password && request.payload.password.trim()) {
+                  const bcrypt = require('bcrypt');
+                  request.payload.password_hash = await bcrypt.hash(request.payload.password, 10);
+                }
+                delete request.payload.password;
+                return request;
+              },
+            },
+            new: {
+              before: async (request) => {
+                if (request.payload && request.payload.password && request.payload.password.trim()) {
+                  const bcrypt = require('bcrypt');
+                  request.payload.password_hash = await bcrypt.hash(request.payload.password, 10);
+                }
+                delete request.payload.password;
+                return request;
+              },
+            },
+          },
         },
       },
       {