feat(core): add edgelessTheme property and edgelessDefault theme setting (#8614)

close AF-1430 AF-1471

https://github.com/user-attachments/assets/d997ac6c-ce94-4fa4-ab34-29b36c7796ea

packages/common/infra/src/modules/doc/constants.ts

@@ -39,4 +39,10 @@ export const BUILT_IN_CUSTOM_PROPERTY_TYPE = [
     show: 'always-hide',
     index: 'a0000006',
   },
+  {
+    id: 'edgelessTheme',
+    type: 'edgelessTheme',
+    show: 'always-hide',
+    index: 'a0000007',
+  },
 ] as DocCustomPropertyInfo[];

packages/common/infra/src/modules/theme/entities/theme.ts

@@ -0,0 +1,6 @@
+import { Entity } from '../../../framework';
+import { LiveData } from '../../../livedata';
+
+export class AppTheme extends Entity {
+  theme$ = new LiveData<string | undefined>(undefined);
+}

packages/common/infra/src/modules/theme/index.ts

@@ -0,0 +1,9 @@
+export { AppThemeService } from './services/theme';
+
+import type { Framework } from '../../framework';
+import { AppTheme } from './entities/theme';
+import { AppThemeService } from './services/theme';
+
+export function configureAppThemeModule(framework: Framework) {
+  framework.service(AppThemeService).entity(AppTheme);
+}

packages/common/infra/src/modules/theme/services/theme.ts

@@ -0,0 +1,6 @@
+import { Service } from '../../../framework';
+import { AppTheme } from '../entities/theme';
+
+export class AppThemeService extends Service {
+  appTheme = this.framework.createEntity(AppTheme);
+}