refactor(vscode-ide-companion): extract InfoBanner as standalone component

Move info banner UI from App.tsx to dedicated component with open settings functionality.

packages/vscode-ide-companion/src/webview/components/InfoBanner.tsx

@@ -0,0 +1,135 @@
+/**
+ * @license
+ * Copyright 2025 Qwen Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type React from 'react';
+
+interface InfoBannerProps {
+  /**
+   * Whether the banner is visible
+   */
+  visible: boolean;
+
+  /**
+   * Callback when the banner is dismissed
+   */
+  onDismiss: () => void;
+
+  /**
+   * Optional: Custom message content (if not provided, uses default)
+   */
+  message?: React.ReactNode;
+
+  /**
+   * Optional: Custom link text
+   */
+  linkText?: string;
+
+  /**
+   * Optional: Callback when the link is clicked
+   */
+  onLinkClick?: (e: React.MouseEvent<HTMLAnchorElement>) => void;
+}
+
+export const InfoBanner: React.FC<InfoBannerProps> = ({
+  visible,
+  onDismiss,
+  message,
+  linkText = 'Switch back in Settings.',
+  onLinkClick,
+}) => {
+  if (!visible) {
+    return null;
+  }
+
+  return (
+    <div
+      className="flex items-center justify-between border-t"
+      style={{
+        gap: '12px',
+        padding: '12px 16px',
+        backgroundColor: 'var(--app-input-secondary-background)',
+        borderColor: 'var(--app-primary-border-color)',
+      }}
+    >
+      <div className="flex items-center flex-1 min-w-0" style={{ gap: '12px' }}>
+        {/* Icon */}
+        <svg
+          className="flex-shrink-0 w-4 h-4"
+          width="16"
+          height="16"
+          viewBox="0 0 20 20"
+          xmlns="http://www.w3.org/2000/svg"
+          style={{ fill: 'var(--app-primary-foreground)' }}
+        >
+          <path d="M5.14648 7.14648C5.34175 6.95122 5.65825 6.95122 5.85352 7.14648L8.35352 9.64648C8.44728 9.74025 8.5 9.86739 8.5 10C8.5 10.0994 8.47037 10.1958 8.41602 10.2773L8.35352 10.3535L5.85352 12.8535C5.65825 13.0488 5.34175 13.0488 5.14648 12.8535C4.95122 12.6583 4.95122 12.3417 5.14648 12.1465L7.29297 10L5.14648 7.85352C4.95122 7.65825 4.95122 7.34175 5.14648 7.14648Z"></path>
+          <path d="M14.5 12C14.7761 12 15 12.2239 15 12.5C15 12.7761 14.7761 13 14.5 13H9.5C9.22386 13 9 12.7761 9 12.5C9 12.2239 9.22386 12 9.5 12H14.5Z"></path>
+          <path
+            fillRule="evenodd"
+            clipRule="evenodd"
+            d="M16.5 4C17.3284 4 18 4.67157 18 5.5V14.5C18 15.3284 17.3284 16 16.5 16H3.5C2.67157 16 2 15.3284 2 14.5V5.5C2 4.67157 2.67157 4 3.5 4H16.5ZM3.5 5C3.22386 5 3 5.22386 3 5.5V14.5C3 14.7761 3.22386 15 3.5 15H16.5C16.7761 15 17 14.7761 17 14.5V5.5C17 5.22386 16.7761 5 16.5 5H3.5Z"
+          ></path>
+        </svg>
+
+        {/* Message */}
+        <label
+          className="m-0 leading-snug text-[13px]"
+          style={{ color: 'var(--app-primary-foreground)' }}
+        >
+          {message || (
+            <>
+              Prefer the Terminal experience?{' '}
+              {onLinkClick && (
+                <a
+                  href="#"
+                  className="no-underline hover:underline cursor-pointer outline-none"
+                  style={{ color: 'var(--app-qwen-orange)' }}
+                  onClick={onLinkClick}
+                >
+                  {linkText}
+                </a>
+              )}
+            </>
+          )}
+        </label>
+      </div>
+
+      {/* Close button */}
+      <button
+        className="flex items-center justify-center cursor-pointer p-1.5 rounded"
+        style={{
+          background: 'none',
+          border: 'none',
+          color: 'var(--app-secondary-foreground)',
+        }}
+        onMouseEnter={(e) => {
+          e.currentTarget.style.backgroundColor =
+            'var(--app-ghost-button-hover-background)';
+        }}
+        onMouseLeave={(e) => {
+          e.currentTarget.style.backgroundColor = 'transparent';
+        }}
+        aria-label="Close banner"
+        onClick={onDismiss}
+      >
+        <svg
+          className="w-[10px] h-[10px]"
+          width="10"
+          height="10"
+          viewBox="0 0 14 14"
+          fill="none"
+          xmlns="http://www.w3.org/2000/svg"
+        >
+          <path
+            d="M1 1L13 13M1 13L13 1"
+            stroke="currentColor"
+            strokeWidth="1.5"
+            strokeLinecap="round"
+          ></path>
+        </svg>
+      </button>
+    </div>
+  );
+};