refactor(managers): accept registry parameter via constructor injection

All 16 managers now receive ManagerRegistry instance through constructor
instead of calling ManagerRegistry.getInstance(). This enables each
BimEngine instance to have its own isolated set of managers.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/managers/walk-control-manager.ts

@@ -3,6 +3,7 @@
  * 负责管理漫游模式的控制面板和相关交互
  */
 import { BaseManager } from '../core/base-manager';
+import { ManagerRegistry } from '../core/manager-registry';
 import { WalkControlPanel } from '../components/walk-control-panel';
 import { WalkPathDialogManager } from './walk-path-dialog-manager';
 
@@ -16,13 +17,13 @@ export class WalkControlManager extends BaseManager {
     /** 路径漫游对话框管理器 */
     private pathManager: WalkPathDialogManager | null = null;
 
-    constructor() {
-        super();
+    constructor(registry: ManagerRegistry) {
+        super(registry);
     }
 
     /** 初始化管理器 */
     public init(): void {
-        this.pathManager = new WalkPathDialogManager();
+        this.pathManager = new WalkPathDialogManager(this.registry);
         this.pathManager.init();
     }