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+To fix the issue of hardcoded English strings in the `CortexChangesPanel` component, we need to integrate it with the IDE's i18n mechanism. We can achieve this by using the `I18nContext` from `src/i18n/index.ts` to translate the strings.
+
+Here's the exact code fix:
+
+```tsx
+// src/components/cortex/CortexChangesPanel.tsx
+import React from 'react';
+import { useI18n } from 'src/i18n/index';
+
+const CortexChangesPanel = () => {
+  const { t } = useI18n();
+
+  return (
+    // ...
+    <div>
+      <div>{t('cortex.changesPanel.tabLabels.changes')}</div>
+      <div>{t('cortex.changesPanel.tabLabels.allFiles')}</div>
+      <div>{t('cortex.changesPanel.emptyState')}</div>
+      <div>{t('cortex.changesPanel.diffLoadingFallback')}</div>
+    </div>
+    // ...
+  );
+};
+
+export default CortexChangesPanel;
+```
+
+Then, in your `src/i18n/index.ts` file, add the necessary translation keys:
+
+```typescript
+// src/i18n/index.ts
+import { createI18n } from 'i18n';
+
+const i18n = createI18n({
+  // ...
+  resources: {
+    en: {
+      translation: {
+        cortex: {
+          changesPanel: {
+            tabLabels: {
+              changes: 'Changes',
+              allFiles: 'All Files',
+            },
+            emptyState: 'No changes yet',
+            diffLoadingFallback: 'Unable to load diff',
+          },
+        },
+      },
+    },
+    // Add translations for other languages here
+    fr: {
+      translation: {
+        cortex: {
+          changesPanel: {
+            tabLabels: {
+              changes: 'Changements',
+              allFiles: 'Tous les fichiers',
+            },
+            emptyState: 'Aucun changement pour le moment',
+            diffLoadingFallback: 'Impossible de charger la différence',
+          },
+        },
+      },
+    },
+    // ...
+  },
+});
+
+export const useI18n = () => {
+  const { t } = i18n.useTranslation();
+  return { t };
+};
+```
+
+This code uses the `useI18n` hook to get the `t` function, which is used to translate the strings. The `t` function takes a key as an argument and returns the translated string for the current locale.
+
+Make sure to add translations for all the languages you want to support in the `resources` object.
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