ENTERPRISE: Optimize system reliability and container deployment

Major improvements:
- Fix file manager paste operation timeout issues for small files
- Remove complex copyItem existence checks that caused hangs
- Simplify copy commands for better reliability
- Add comprehensive timeout protection for move operations
- Remove JWT debug logging for production security
- Fix nginx SSL variable syntax errors
- Default to HTTP-only mode to eliminate setup complexity
- Add dynamic SSL configuration switching in containers
- Use environment-appropriate SSL certificate paths
- Implement proper encryption architecture fixes
- Add authentication middleware to all backend services
- Resolve WebSocket timing race conditions

Breaking changes:
- SSL now disabled by default (set ENABLE_SSL=true to enable)
- Nginx configurations dynamically selected based on SSL setting
- Container paths automatically used in production environment

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

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

docker/nginx.conf

@@ -16,26 +16,12 @@ http {
     ssl_session_cache shared:SSL:10m;
     ssl_session_timeout 10m;
 
-    # HTTP Server - Redirect to HTTPS
+    # HTTP Server - Redirect to HTTPS when SSL enabled
     server {
         listen ${PORT};
         server_name localhost;
 
-        # Redirect all HTTP traffic to HTTPS
-        return 301 https://$server_name:${SSL_PORT:-8443}$request_uri;
-    }
-
-    # HTTPS Server
-    server {
-        listen ${SSL_PORT:-8443} ssl;
-        server_name localhost;
-
-        # SSL Certificate paths
-        ssl_certificate ${SSL_CERT_PATH:-/app/ssl/termix.crt};
-        ssl_certificate_key ${SSL_KEY_PATH:-/app/ssl/termix.key};
-
-        # Security headers for HTTPS
-        add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
+        # Security headers
         add_header X-Frame-Options DENY always;
         add_header X-Content-Type-Options nosniff always;
         add_header X-XSS-Protection "1; mode=block" always;