Enhance yourpart-https.conf with improved WebSocket and API configurations

- Added www redirect to ensure consistent domain usage.
- Consolidated WebSocket upgrade conditions for clarity.
- Streamlined API request forwarding and fallback proxy settings for better organization and maintainability.

debug-websocket-headers.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+echo "=== WebSocket-Header Debug ==="
+echo ""
+echo "Prüfe Apache-Logs für WebSocket-Upgrade-Header..."
+echo ""
+
+# Prüfe die letzten 50 Zeilen des Access-Logs für /ws/ oder /socket.io/
+echo "Access-Log Einträge für /ws/ und /socket.io/:"
+sudo tail -50 /var/log/apache2/yourpart.access.log | grep -E "(/ws/|/socket.io/)" | tail -10
+
+echo ""
+echo "Prüfe Error-Log für WebSocket-Fehler:"
+sudo tail -50 /var/log/apache2/yourpart.error.log | grep -iE "(websocket|upgrade|proxy)" | tail -10
+
+echo ""
+echo "=== Test mit curl ==="
+echo ""
+echo "Teste WebSocket-Upgrade für /ws/:"
+curl -i -N \
+  -H "Connection: Upgrade" \
+  -H "Upgrade: websocket" \
+  -H "Sec-WebSocket-Version: 13" \
+  -H "Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==" \
+  https://www.your-part.de/ws/ 2>&1 | head -20
+
+echo ""
+echo "=== Prüfe Apache-Konfiguration ==="
+echo ""
+echo "Aktive Rewrite-Regeln für WebSocket:"
+sudo apache2ctl -S 2>/dev/null | grep -A 5 "your-part.de:443" || echo "VirtualHost nicht gefunden"
+
+echo ""
+echo "Prüfe, ob mod_proxy_wstunnel aktiviert ist:"
+apache2ctl -M 2>/dev/null | grep proxy_wstunnel || echo "mod_proxy_wstunnel NICHT aktiviert!"