refactor: remove drag and drop from the objects tree

Decided during manual testing: the legacy drop-inside zone had zero
height, so drops only worked before/after a node and moves happened by
accident. Sections are re-parented via Edit, as before.

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

src/webparts/stroyBot/pages/objects/useObjectActions.ts

@@ -1,28 +1,26 @@
 import * as React from 'react';
 import { confirmModal } from '@tnsu/ui-kit';
 import { IObjectsRepository } from './objectsRepository';
-import { getChangedParentId, getDeleteConfirmMessage, getErrorText, resolveMove } from './objectsRules';
-import { DropPosition, IObjectModalTarget, ObjectNode, ObjectTree } from './objectsTypes';
+import { getChangedParentId, getDeleteConfirmMessage, getErrorText } from './objectsRules';
+import { IObjectModalTarget, ObjectNode } from './objectsTypes';
 import { OBJECTS_TEXTS } from './texts';
 
 interface IActionsDeps {
   repository: IObjectsRepository;
   projectTitle: string | undefined;
-  tree: ObjectTree;
   reload: () => void;
 }
 
 export interface IObjectActions {
-  /** Ошибка переноса или удаления (раньше — alert). */
+  /** Ошибка удаления (раньше — alert). */
   actionError: string | undefined;
   /** Создание / правка из модалки. Ошибку бросает дальше — модалка покажет её у себя. */
   saveObject: (target: IObjectModalTarget, title: string, parentValue: string) => Promise<void>;
-  moveObject: (dragId: number, targetId: number, position: DropPosition) => Promise<void>;
   deleteObject: (node: ObjectNode) => Promise<void>;
 }
 
 /** Пишущие действия над деревом объектов. После каждого успешного действия дерево перечитывается. */
-export function useObjectActions({ repository, projectTitle, tree, reload }: IActionsDeps): IObjectActions {
+export function useObjectActions({ repository, projectTitle, reload }: IActionsDeps): IObjectActions {
   const [actionError, setActionError] = React.useState<string | undefined>(undefined);
 
   const saveObject = async (target: IObjectModalTarget, title: string, parentValue: string): Promise<void> => {
@@ -39,18 +37,6 @@ export function useObjectActions({ repository, projectTitle, tree, reload }: IAc
     reload();
   };
 
-  const moveObject = async (dragId: number, targetId: number, position: DropPosition): Promise<void> => {
-    const move = resolveMove(tree, dragId, targetId, position);
-    if (!move) return;
-    setActionError(undefined);
-    try {
-      await repository.moveObject(dragId, move.parentId);
-      reload();
-    } catch (error) {
-      setActionError(OBJECTS_TEXTS.moveError(getErrorText(error)));
-    }
-  };
-
   const deleteObject = async (node: ObjectNode): Promise<void> => {
     const isConfirmed = await confirmModal({
       message: getDeleteConfirmMessage(node),
@@ -67,5 +53,5 @@ export function useObjectActions({ repository, projectTitle, tree, reload }: IAc
     }
   };
 
-  return { actionError, saveObject, moveObject, deleteObject };
+  return { actionError, saveObject, deleteObject };
 }