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/button-group-manager.ts

@@ -6,6 +6,7 @@ import { BimButtonGroup } from '../components/button-group';
 import type { ButtonGroupOptions } from '../components/button-group/index.type';
 import type { ThemeConfig } from '../themes/types';
 import { BaseManager } from '../core/base-manager';
+import { ManagerRegistry } from '../core/manager-registry';
 
 /**
  * 按钮组管理器
@@ -17,8 +18,8 @@ export class ButtonGroupManager extends BaseManager {
     /** 容器元素 */
     private container: HTMLElement;
 
-    constructor(container: HTMLElement) {
-        super();
+    constructor(container: HTMLElement, registry: ManagerRegistry) {
+        super(registry);
         this.container = container;
     }
 
@@ -31,6 +32,7 @@ export class ButtonGroupManager extends BaseManager {
     public create(id: string, options: Omit<ButtonGroupOptions, 'container'>): BimButtonGroup {
         const group = new BimButtonGroup({
             container: this.container,
+            registry: this.registry,
             ...options
         });