ignore prompt-lang for inline chat hint (microsoft#248991)

Author: jrieken

src/vs/workbench/contrib/inlineChat/browser/inlineChatCurrentLine.ts

@@ -40,6 +40,17 @@ import { stringValue } from '../../../../base/browser/cssValue.js';
 import { observableConfigValue } from '../../../../platform/observable/common/platformObservableUtils.js';
 import { Emitter } from '../../../../base/common/event.js';
 import { ChatAgentLocation } from '../../chat/common/constants.js';
+import { INSTRUCTIONS_LANGUAGE_ID } from '../../chat/common/promptSyntax/constants.js';
+
+/**
+ * Set of language IDs where inline chat hints should not be shown.
+ */
+const IGNORED_LANGUAGE_IDS = new Set([
+	PLAINTEXT_LANGUAGE_ID,
+	'markdown',
+	'search-result',
+	INSTRUCTIONS_LANGUAGE_ID
+]);
 
 export const CTX_INLINE_CHAT_SHOWING_HINT = new RawContextKey<boolean>('inlineChatShowingHint', false, localize('inlineChatShowingHint', "Whether inline chat shows a contextual hint"));
 
@@ -237,11 +248,10 @@ export class InlineChatHintsController extends Disposable implements IEditorCont
 				return undefined;
 			}
 
-			if (model.getLanguageId() === PLAINTEXT_LANGUAGE_ID || model.getLanguageId() === 'markdown' || model.getLanguageId() === 'search-result') {
+			if (IGNORED_LANGUAGE_IDS.has(model.getLanguageId())) {
 				return undefined;
 			}
 
-
 			// DEBT - I cannot use `model.onDidChangeContent` directly here
 			// https://github.com/microsoft/vscode/issues/242059
 			const emitter = r.store.add(new Emitter<void>());