Update per comments

Author: bryanchen-d

src/vs/workbench/contrib/chat/common/promptSyntax/service/promptsServiceImpl.ts

@@ -96,16 +96,12 @@ export class PromptsService extends Disposable implements IPromptsService {
 				this.promptFileByCommandCache.clear();
 			}
 			else {
-				const pendingClear = [];
+				// Clear cache for prompt files that match the changed URI
 				for (const [key, value] of this.promptFileByCommandCache) {
-					if (value.value?.uri === event.uri) {
-						pendingClear.push(key);
+					if (isEqual(value.value?.uri, event.uri)) {
+						this.promptFileByCommandCache.delete(key);
 					}
 				}
-
-				for (const key of pendingClear) {
-					this.promptFileByCommandCache.delete(key);
-				}
 			}
 
 			this.onDidChangeParsedPromptFilesCacheEmitter.fire();

src/vs/workbench/contrib/chat/test/common/promptSyntax/service/promptsService.test.ts

@@ -14,8 +14,6 @@ import { Range } from '../../../../../../../editor/common/core/range.js';
 import { ILanguageService } from '../../../../../../../editor/common/languages/language.js';
 import { IModelService } from '../../../../../../../editor/common/services/model.js';
 import { ModelService } from '../../../../../../../editor/common/services/modelService.js';
-import { IThemeService } from '../../../../../../../platform/theme/common/themeService.js';
-import { TestThemeService } from '../../../../../../../platform/theme/test/common/testThemeService.js';
 import { IConfigurationService } from '../../../../../../../platform/configuration/common/configuration.js';
 import { TestConfigurationService } from '../../../../../../../platform/configuration/test/common/testConfigurationService.js';
 import { IExtensionDescription } from '../../../../../../../platform/extensions/common/extensions.js';
@@ -73,8 +71,6 @@ suite('PromptsService', () => {
 		const fileService = disposables.add(instaService.createInstance(FileService));
 		instaService.stub(IFileService, fileService);
 
-		// Set up model service with theme service requirement
-		instaService.stub(IThemeService, new TestThemeService());
 		const modelService = disposables.add(instaService.createInstance(ModelService));
 		instaService.stub(IModelService, modelService);
 		instaService.stub(ILanguageService, {