Disable responsesApiContextManagement by default

Author: roblourens

package.json

@@ -3798,7 +3798,7 @@
 					},
 					"github.copilot.chat.responsesApiContextManagement.enabled": {
 						"type": "boolean",
-						"default": true,
+						"default": false,
 						"markdownDescription": "%github.copilot.config.responsesApiContextManagement.enabled%",
 						"tags": [
 							"experimental",

src/platform/configuration/common/configurationService.ts

@@ -894,7 +894,7 @@ export namespace ConfigKey {
 	/** Configure reasoning summary style sent to Responses API */
 	export const ResponsesApiReasoningSummary = defineSetting<'off' | 'detailed'>('chat.responsesApiReasoningSummary', ConfigType.ExperimentBased, 'detailed');
 	/** Enable context_management sent to Responses API */
-	export const ResponsesApiContextManagementEnabled = defineSetting<boolean>('chat.responsesApiContextManagement.enabled', ConfigType.ExperimentBased, true);
+	export const ResponsesApiContextManagementEnabled = defineSetting<boolean>('chat.responsesApiContextManagement.enabled', ConfigType.ExperimentBased, false);
 	export const EnableChatImageUpload = defineSetting<boolean>('chat.imageUpload.enabled', ConfigType.ExperimentBased, true);
 	/** Thinking token budget for Anthropic extended thinking. If set, enables extended thinking. */
 	export const AnthropicThinkingBudget = defineSetting<number>('chat.anthropic.thinking.budgetTokens', ConfigType.ExperimentBased, 16000);