wip: add report form page (not wired yet)

Ported stroy-bot-report form saved before tests are written. Not
reachable from the app until save/mode tests cover the delete-and-
recreate algorithm.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

src/webparts/stroyBot/pages/report/PickerField.tsx

@@ -0,0 +1,23 @@
+import * as React from 'react';
+import styles from './ReportPage.module.scss';
+
+interface Props {
+  id: string;
+  value: string;
+  placeholder: string;
+  readOnly: boolean;
+  onOpen: () => void;
+}
+
+/** Поле-кнопка: показывает выбранное значение и открывает пикер. */
+export const PickerField: React.FC<Props> = ({ id, value, placeholder, readOnly, onOpen }) => (
+  <button
+    id={id}
+    type="button"
+    className={value ? styles.pickerValue : `${styles.pickerValue} ${styles.pickerValueEmpty}`}
+    disabled={readOnly}
+    onClick={onOpen}
+  >
+    {value || placeholder}
+  </button>
+);