Refactor: Remove debouncingPosition Observable

This commit eliminates the `debouncingPosition` observable and all code related to debouncing, which has become redundant and can inadvertently extend the new delays beyond their intended duration. While the related configuration setting is preserved for potential future use in controlling all delayed accessibility signals, it is not currently in use.

src/vs/workbench/contrib/accessibilitySignals/browser/accessibilitySignalLineFeatureContribution.ts

@@ -6,7 +6,7 @@
 import { CachedFunction } from 'vs/base/common/cache';
 import { Event } from 'vs/base/common/event';
 import { Disposable, DisposableStore } from 'vs/base/common/lifecycle';
-import { IObservable, autorun, autorunDelta, constObservable, debouncedObservable, derived, derivedOpts, observableFromEvent, observableFromPromise, wasEventTriggeredRecently } from 'vs/base/common/observable';
+import { IObservable, autorun, autorunDelta, constObservable, derived, derivedOpts, observableFromEvent, observableFromPromise } from 'vs/base/common/observable';
 import { ICodeEditor, isCodeEditor, isDiffEditor } from 'vs/editor/browser/editorBrowser';
 import { Position } from 'vs/editor/common/core/position';
 import { CursorChangeReason } from 'vs/editor/common/cursorEvents';
@@ -137,12 +137,6 @@ export class SignalLineFeatureContribution
 				return editor.getPosition();
 			}
 		);
-		const debouncedPosition = debouncedObservable(curPosition, this._configurationService.getValue('accessibility.signals.debouncePositionChanges') ? 300 : 0, store);
-		const isTyping = wasEventTriggeredRecently(
-			editorModel.onDidChangeContent.bind(editorModel),
-			1000,
-			store
-		);
 
 		const featureStates = this.features.map((feature) => {
 			const lineFeatureState = feature.getObservableState(editor, editorModel);
@@ -152,7 +146,7 @@ export class SignalLineFeatureContribution
 					if (!this.isSoundEnabledCache.get(feature.signal).read(reader) && !this.isAnnouncementEnabledCache.get(feature.signal).read(reader)) {
 						return false;
 					}
-					const position = debouncedPosition.read(reader);
+					const position = curPosition.read(reader);
 					if (!position) {
 						return false;
 					}
@@ -161,18 +155,12 @@ export class SignalLineFeatureContribution
 					return lineFeatureState.read(reader).isPresent(position);
 				}
 			);
-			return derivedOpts(
-				{ debugName: `typingDebouncedFeatureState:\n${feature.signal.name}` },
-				(reader) =>
-					feature.debounceWhileTyping && isTyping.read(reader)
-						? (debouncedPosition.read(reader), isFeaturePresent.get())
-						: isFeaturePresent.read(reader)
-			);
+			return isFeaturePresent;
 		});
 
 		const state = derived(
 			(reader) => /** @description states */({
-				lineNumber: debouncedPosition.read(reader),
+				lineNumber: curPosition.read(reader),
 				featureStates: new Map(
 					this.features.map((feature, idx) => [
 						feature,
@@ -205,7 +193,6 @@ export class SignalLineFeatureContribution
 
 interface LineFeature {
 	signal: AccessibilitySignal;
-	debounceWhileTyping?: boolean;
 	getObservableState(
 		editor: ICodeEditor,
 		model: ITextModel
@@ -272,7 +259,6 @@ abstract class BaseLineFeature implements LineFeature {
 }
 
 class MarkerLineFeature extends BaseLineFeature implements LineFeature {
-	public readonly debounceWhileTyping = true;
 	public override readDelaysFromSettings(configurationService: IConfigurationService) {
 		// set delays to "critical" feature type (shorter delays)
 		this.setModalityDelays(