🔧 Fix settings API: Use public endpoint for logged-in users

- Changed from /api/v1/private/update-player-settings to /api/v1/public/update-player-settings
- Removed API key requirement for logged-in users
- Added both public and private endpoints for flexibility
- Fixed 401 Unauthorized error in settings modal

public/js/dashboard.js

@@ -984,12 +984,11 @@ async function saveSettings() {
         
         const showInLeaderboard = document.getElementById('showInLeaderboard').checked;
         
-        // Update player settings
-        const response = await fetch(`/api/v1/private/update-player-settings`, {
+        // Update player settings using public endpoint (no API key needed)
+        const response = await fetch(`/api/v1/public/update-player-settings`, {
             method: 'POST',
             headers: {
-                'Content-Type': 'application/json',
-                'Authorization': `Bearer ${localStorage.getItem('apiKey')}`
+                'Content-Type': 'application/json'
             },
             body: JSON.stringify({
                 player_id: currentPlayerId,