Update detail key used for Performance Issues (#54410)

Summary:
Pull Request resolved: #54410

See https://github.com/reactwg/react/discussions/400

Changelog: [Internal]

Reviewed By: hoxyq

Differential Revision: D86189162

fbshipit-source-id: f42ec6851819237464168a1fc3465a4f0d20b701

Author: huntie

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlags.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<15ede8025e516f2bdc0329efe49f4a62>>
+ * @generated SignedSource<<890156e9513bff7c7c6252f8cf4402e4>>
  */
 
 /**
@@ -379,7 +379,7 @@ public object ReactNativeFeatureFlags {
   public fun overrideBySynchronousMountPropsAtMountingAndroid(): Boolean = accessor.overrideBySynchronousMountPropsAtMountingAndroid()
 
   /**
-   * Enable reporting Performance Issues (`detail.rnPerfIssue`). Displayed in the V2 Performance Monitor and the "Performance Issues" sub-panel in DevTools.
+   * Enable reporting Performance Issues (`detail.devtools.performanceIssue`). Displayed in the V2 Performance Monitor and the "Performance Issues" sub-panel in DevTools.
    */
   @JvmStatic
   public fun perfIssuesEnabled(): Boolean = accessor.perfIssuesEnabled()

packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlags.h

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<ce6f11b805b3de79c414d1893cd7b2cc>>
+ * @generated SignedSource<<7e530e01e8c31edb68099a11bc371b89>>
  */
 
 /**
@@ -330,7 +330,7 @@ class ReactNativeFeatureFlags {
   RN_EXPORT static bool overrideBySynchronousMountPropsAtMountingAndroid();
 
   /**
-   * Enable reporting Performance Issues (`detail.rnPerfIssue`). Displayed in the V2 Performance Monitor and the "Performance Issues" sub-panel in DevTools.
+   * Enable reporting Performance Issues (`detail.devtools.performanceIssue`). Displayed in the V2 Performance Monitor and the "Performance Issues" sub-panel in DevTools.
    */
   RN_EXPORT static bool perfIssuesEnabled();
 

packages/react-native/ReactCommon/react/performance/cdpmetrics/CdpPerfIssuesReporter.cpp

@@ -42,8 +42,10 @@ void CdpPerfIssuesReporter::onMeasureEntry(
       return;
     }
 
-    if (detail.count("rnPerfIssue") != 0 && detail["rnPerfIssue"].isObject()) {
-      auto& perfIssue = detail["rnPerfIssue"];
+    if (detail.count("devtools") != 0 && detail["devtools"].isObject() &&
+        detail["devtools"].count("performanceIssue") != 0 &&
+        detail["devtools"]["performanceIssue"].isObject()) {
+      auto& perfIssue = detail["devtools"]["performanceIssue"];
 
       if (perfIssue.count("name") != 0 && perfIssue.count("severity") != 0 &&
           perfIssue.count("description") != 0) {

packages/react-native/scripts/featureflags/ReactNativeFeatureFlags.config.js

@@ -671,7 +671,7 @@ const definitions: FeatureFlagDefinitions = {
       metadata: {
         dateAdded: '2025-10-24',
         description:
-          'Enable reporting Performance Issues (`detail.rnPerfIssue`). Displayed in the V2 Performance Monitor and the "Performance Issues" sub-panel in DevTools.',
+          'Enable reporting Performance Issues (`detail.devtools.performanceIssue`). Displayed in the V2 Performance Monitor and the "Performance Issues" sub-panel in DevTools.',
         expectedReleaseValue: true,
         purpose: 'experimentation',
       },

packages/react-native/src/private/featureflags/ReactNativeFeatureFlags.js

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<9284928dae8d148f3ce8041fdbe84990>>
+ * @generated SignedSource<<dcec3cf74137d4a43dcaa0b330fba44a>>
  * @flow strict
  * @noformat
  */
@@ -446,7 +446,7 @@ export const hideOffscreenVirtualViewsOnIOS: Getter<boolean> = createNativeFlagG
  */
 export const overrideBySynchronousMountPropsAtMountingAndroid: Getter<boolean> = createNativeFlagGetter('overrideBySynchronousMountPropsAtMountingAndroid', false);
 /**
- * Enable reporting Performance Issues (`detail.rnPerfIssue`). Displayed in the V2 Performance Monitor and the "Performance Issues" sub-panel in DevTools.
+ * Enable reporting Performance Issues (`detail.devtools.performanceIssue`). Displayed in the V2 Performance Monitor and the "Performance Issues" sub-panel in DevTools.
  */
 export const perfIssuesEnabled: Getter<boolean> = createNativeFlagGetter('perfIssuesEnabled', false);
 /**