feat(coding-agent): add warnings.anthropicExtraUsage opt-out

closes #3808

packages/coding-agent/src/modes/interactive/interactive-mode.ts

@@ -3788,6 +3788,7 @@ export class InteractiveMode {
 					quietStartup: this.settingsManager.getQuietStartup(),
 					clearOnShrink: this.settingsManager.getClearOnShrink(),
 					showTerminalProgress: this.settingsManager.getShowTerminalProgress(),
+					warnings: this.settingsManager.getWarnings(),
 				},
 				{
 					onAutoCompactChange: (enabled) => {
@@ -3901,6 +3902,9 @@ export class InteractiveMode {
 					onShowTerminalProgressChange: (enabled) => {
 						this.settingsManager.setShowTerminalProgress(enabled);
 					},
+					onWarningsChange: (warnings) => {
+						this.settingsManager.setWarnings(warnings);
+					},
 					onCancel: () => {
 						done();
 						this.ui.requestRender();
@@ -3963,6 +3967,9 @@ export class InteractiveMode {
 	private async maybeWarnAboutAnthropicSubscriptionAuth(
 		model: Model<any> | undefined = this.session.model,
 	): Promise<void> {
+		if (this.settingsManager.getWarnings().anthropicExtraUsage === false) {
+			return;
+		}
 		if (this.anthropicSubscriptionWarningShown) {
 			return;
 		}