fix: change skill button text from 'Configure' to 'Manage' for connected skills

- Update SkillsGrid button text to dynamically show based on connection status
- Connected skills now show 'Manage' button instead of 'Configure'
- Provides clearer user indication of skill state
- Improves UX for authenticated skills like Telegram

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/SkillsGrid.tsx

@@ -408,7 +408,7 @@ export default function SkillsGrid() {
                           setSetupModalOpen(true);
                         }}
                         className="px-4 py-1.5 text-xs font-medium text-primary-300 bg-primary-500/10 border border-primary-500/30 rounded-lg hover:bg-primary-500/20 transition-colors flex-shrink-0 ml-3">
-                        Configure
+                        {connectionStatus === 'connected' ? 'Manage' : 'Configure'}
                       </button>
                     </div>
                   );