feat: Enhance Marketplace and Skill Management UI with improved error handling and user feedback

- Updated MarketplaceDrawer to include security notes and manual installation hints.
- Refactored SkillDetailDrawer to display default icons for skills.
- Simplified SkillListItem to use default icons for better readability.
- Integrated gateway status checks and warnings in SkillsPage for improved user awareness.
- Enhanced error handling for skill installation and fetching, providing clearer feedback to users.
- Added new translations for error messages and gateway warnings to improve localization support.

electron/utils/paths.ts

@@ -40,6 +40,13 @@ export function getOpenClawDir(): string {
   return join(app.getAppPath(), 'node_modules', OPENCLAW_PACKAGE_DIR_NAME);
 }
 
+export function getResourcesDir(): string {
+  if (app.isPackaged) {
+    return process.resourcesPath;
+  }
+  return join(app.getAppPath(), 'resources');
+}
+
 export function getOpenClawResolvedDir(): string {
   const dir = getOpenClawDir();
   if (!existsSync(dir)) {
@@ -57,6 +64,15 @@ export function getOpenClawEntryPath(): string {
   return join(getOpenClawDir(), OPENCLAW_ENTRY_FILE_NAME);
 }
 
+export function getClawHubCliBinPath(): string {
+  const binName = process.platform === 'win32' ? 'clawhub.cmd' : 'clawhub';
+  return join(app.getAppPath(), 'node_modules', '.bin', binName);
+}
+
+export function getClawHubCliEntryPath(): string {
+  return join(app.getAppPath(), 'node_modules', 'clawhub', 'bin', 'clawdhub.js');
+}
+
 export function ensureDir(dir: string): string {
   if (!existsSync(dir)) {
     mkdirSync(dir, { recursive: true });