feat: add settings dialog with render mode selection

- Add SettingDialogManager with radio-style render mode picker (simple/balance/advanced)
- Add getRenderMode/setRenderMode API to Engine and EngineManager layers
- Wire setting toolbar button to toggle the settings dialog
- Add i18n keys for settings dialog (zh-CN/en-US)
- Add version display at bottom-right of engine wrapper
- Bump version to 1.1.7, rebuild and sync demo libs

src/core/manager-registry.ts

@@ -20,6 +20,7 @@ import type { SectionBoxDialogManager } from '../managers/section-box-dialog-man
 import type { WalkPathDialogManager } from '../managers/walk-path-dialog-manager';
 import type { WalkPlanViewDialogManager } from '../managers/walk-plan-view-dialog-manager';
 import type { EngineInfoDialogManager } from '../managers/engine-info-dialog-manager';
+import type { SettingDialogManager } from '../managers/setting-dialog-manager';
 import type { ComponentDetailManager } from '../managers/component-detail-manager';
 import type { AiChatManager } from '../managers/ai-chat-manager';
 
@@ -69,6 +70,8 @@ export class ManagerRegistry {
     public componentDetail: ComponentDetailManager | null = null;
     /** AI 聊天管理器 */
     public aiChat: AiChatManager | null = null;
+    /** 设置对话框管理器 */
+    public setting: SettingDialogManager | null = null;
 
     constructor() {}
 
@@ -93,6 +96,7 @@ export class ManagerRegistry {
         this.engineInfo = null;
         this.componentDetail = null;
         this.aiChat = null;
+        this.setting = null;
     }
 
     /**