refactor(providers): modularize AiProvidersPage into separate provider components

src/components/providers/ProviderList.tsx

@@ -0,0 +1,80 @@
+import type { ReactNode } from 'react';
+import { useTranslation } from 'react-i18next';
+import { Button } from '@/components/ui/Button';
+import { EmptyState } from '@/components/ui/EmptyState';
+
+interface ProviderListProps<T> {
+  items: T[];
+  loading: boolean;
+  keyField: (item: T) => string;
+  renderContent: (item: T, index: number) => ReactNode;
+  onEdit: (index: number) => void;
+  onDelete: (index: number) => void;
+  emptyTitle: string;
+  emptyDescription: string;
+  deleteLabel?: string;
+  actionsDisabled?: boolean;
+  getRowDisabled?: (item: T, index: number) => boolean;
+  renderExtraActions?: (item: T, index: number) => ReactNode;
+}
+
+export function ProviderList<T>({
+  items,
+  loading,
+  keyField,
+  renderContent,
+  onEdit,
+  onDelete,
+  emptyTitle,
+  emptyDescription,
+  deleteLabel,
+  actionsDisabled = false,
+  getRowDisabled,
+  renderExtraActions,
+}: ProviderListProps<T>) {
+  const { t } = useTranslation();
+
+  if (loading) {
+    return <div className="hint">{t('common.loading')}</div>;
+  }
+
+  if (!items.length) {
+    return <EmptyState title={emptyTitle} description={emptyDescription} />;
+  }
+
+  return (
+    <div className="item-list">
+      {items.map((item, index) => {
+        const rowDisabled = getRowDisabled ? getRowDisabled(item, index) : false;
+        return (
+          <div
+            key={keyField(item)}
+            className="item-row"
+            style={rowDisabled ? { opacity: 0.6 } : undefined}
+          >
+            <div className="item-meta">{renderContent(item, index)}</div>
+            <div className="item-actions">
+              <Button
+                variant="secondary"
+                size="sm"
+                onClick={() => onEdit(index)}
+                disabled={actionsDisabled}
+              >
+                {t('common.edit')}
+              </Button>
+              <Button
+                variant="danger"
+                size="sm"
+                onClick={() => onDelete(index)}
+                disabled={actionsDisabled}
+              >
+                {deleteLabel || t('common.delete')}
+              </Button>
+              {renderExtraActions ? renderExtraActions(item, index) : null}
+            </div>
+          </div>
+        );
+      })}
+    </div>
+  );
+}