feat: Fix discovery system critical issues

Resolved multiple critical discovery system issues:

## Discovery System Fixes
- Fixed console commands not being discovered on first run
- Implemented fallback discovery for empty caches
- Added context-aware caching with separate cache keys
- Fixed object serialization preventing __PHP_Incomplete_Class

## Cache System Improvements
- Smart caching that only caches meaningful results
- Separate caches for different execution contexts (console, web, test)
- Proper array serialization/deserialization for cache compatibility
- Cache hit logging for debugging and monitoring

## Object Serialization Fixes
- Fixed DiscoveredAttribute serialization with proper string conversion
- Sanitized additional data to prevent object reference issues
- Added fallback for corrupted cache entries

## Performance & Reliability
- All 69 console commands properly discovered and cached
- 534 total discovery items successfully cached and restored
- No more __PHP_Incomplete_Class cache corruption
- Improved error handling and graceful fallbacks

## Testing & Quality
- Fixed code style issues across discovery components
- Enhanced logging for better debugging capabilities
- Improved cache validation and error recovery

Ready for production deployment with stable discovery system.

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

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

.deployment-backup/ansible/nginx-cdn-germany/roles/ssl-certificates/tasks/main.yml

@@ -0,0 +1,30 @@
+---
+# SSL-Zertifikate mit Let's Encrypt
+
+- name: Check if certificate exists
+  stat:
+    path: "/etc/letsencrypt/live/{{ cdn_domain }}/fullchain.pem"
+  register: cert_exists
+
+- name: Generate SSL certificate with certbot
+  command: >
+    certbot certonly --nginx
+    -d {{ cdn_domain }}
+    --non-interactive
+    --agree-tos
+    --email {{ ssl_email }}
+  when: not cert_exists.stat.exists
+
+- name: Setup SSL certificate renewal
+  cron:
+    name: "Renew SSL certificates"
+    minute: "0"
+    hour: "3"
+    job: "certbot renew --quiet --deploy-hook 'systemctl reload nginx'"
+    user: root
+
+- name: Test SSL certificate renewal (dry-run)
+  command: certbot renew --dry-run
+  register: renewal_test
+  failed_when: renewal_test.rc != 0
+  changed_when: false