feat(Production): Complete production deployment infrastructure

- Add comprehensive health check system with multiple endpoints
- Add Prometheus metrics endpoint
- Add production logging configurations (5 strategies)
- Add complete deployment documentation suite:
  * QUICKSTART.md - 30-minute deployment guide
  * DEPLOYMENT_CHECKLIST.md - Printable verification checklist
  * DEPLOYMENT_WORKFLOW.md - Complete deployment lifecycle
  * PRODUCTION_DEPLOYMENT.md - Comprehensive technical reference
  * production-logging.md - Logging configuration guide
  * ANSIBLE_DEPLOYMENT.md - Infrastructure as Code automation
  * README.md - Navigation hub
  * DEPLOYMENT_SUMMARY.md - Executive summary
- Add deployment scripts and automation
- Add DEPLOYMENT_PLAN.md - Concrete plan for immediate deployment
- Update README with production-ready features

All production infrastructure is now complete and ready for deployment.

src/Framework/Exception/Security/CsrfValidationFailedException.php

@@ -0,0 +1,74 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Framework\Exception\Security;
+
+use App\Framework\Exception\Core\SecurityErrorCode;
+use App\Framework\Exception\ExceptionContext;
+use App\Framework\Exception\FrameworkException;
+
+/**
+ * CSRF Token Validation Failed Exception
+ */
+final class CsrfValidationFailedException extends FrameworkException
+{
+    public static function tokenValidationFailed(string $formId): self
+    {
+        $context = ExceptionContext::forOperation('security.csrf', 'CsrfMiddleware')
+            ->withData([
+                'form_id' => $formId,
+                'validation_type' => 'token_mismatch',
+                'client_ip' => $_SERVER['REMOTE_ADDR'] ?? 'unknown',
+                'user_agent' => $_SERVER['HTTP_USER_AGENT'] ?? 'unknown',
+            ])
+            ->withMetadata([
+                'security_threat' => 'potential_csrf_attack',
+                'requires_investigation' => true,
+            ]);
+
+        return self::fromContext(
+            message: 'CSRF token validation failed. This may indicate a security threat.',
+            context: $context,
+            errorCode: SecurityErrorCode::CSRF_TOKEN_INVALID
+        );
+    }
+
+    public static function missingTokenOrFormId(bool $missingFormId, bool $missingToken): self
+    {
+        $missing = [];
+        if ($missingFormId) {
+            $missing[] = 'form_id';
+        }
+        if ($missingToken) {
+            $missing[] = 'csrf_token';
+        }
+
+        $context = ExceptionContext::forOperation('security.csrf', 'CsrfMiddleware')
+            ->withData([
+                'missing_fields' => $missing,
+                'validation_type' => 'missing_required_fields',
+            ]);
+
+        return self::fromContext(
+            message: 'CSRF protection requires both form ID and token',
+            context: $context,
+            errorCode: SecurityErrorCode::CSRF_TOKEN_INVALID
+        );
+    }
+
+    public static function invalidTokenFormat(string $error): self
+    {
+        $context = ExceptionContext::forOperation('security.csrf', 'CsrfMiddleware')
+            ->withData([
+                'validation_type' => 'invalid_format',
+                'format_error' => $error,
+            ]);
+
+        return self::fromContext(
+            message: "Invalid CSRF token format: {$error}",
+            context: $context,
+            errorCode: SecurityErrorCode::CSRF_TOKEN_INVALID
+        );
+    }
+}

src/Framework/Exception/Security/HoneypotTriggeredException.php

@@ -0,0 +1,86 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Framework\Exception\Security;
+
+use App\Framework\Exception\ErrorCode;
+use App\Framework\Exception\ExceptionContext;
+use App\Framework\Exception\SecurityException;
+use App\Framework\Security\Events\BotDetectedEvent;
+
+/**
+ * Exception for honeypot spam protection triggers
+ */
+final class HoneypotTriggeredException extends SecurityException
+{
+    public static function missingHoneypotName(): self
+    {
+        $event = new BotDetectedEvent(
+            reason: 'Missing honeypot field in form submission',
+            ip: $_SERVER['REMOTE_ADDR'] ?? 'unknown',
+            userAgent: $_SERVER['HTTP_USER_AGENT'] ?? 'unknown'
+        );
+
+        $context = ExceptionContext::forOperation('security.honeypot', 'HoneypotMiddleware')
+            ->withData([
+                'validation_type' => 'missing_honeypot_name',
+                'risk_level' => 'high',
+            ]);
+
+        return new self(
+            securityEvent: $event,
+            message: 'Spam protection triggered: Missing honeypot field',
+            additionalContext: $context
+        );
+    }
+
+    public static function honeypotFilled(string $fieldName, string $value): self
+    {
+        $event = new BotDetectedEvent(
+            reason: "Honeypot field '{$fieldName}' was filled",
+            ip: $_SERVER['REMOTE_ADDR'] ?? 'unknown',
+            userAgent: $_SERVER['HTTP_USER_AGENT'] ?? 'unknown'
+        );
+
+        $context = ExceptionContext::forOperation('security.honeypot', 'HoneypotMiddleware')
+            ->withData([
+                'validation_type' => 'honeypot_filled',
+                'field_name' => $fieldName,
+                'field_value_length' => strlen($value),
+                'risk_level' => 'high',
+            ])
+            ->withDebug([
+                'field_value' => substr($value, 0, 100), // Limit für Logging
+            ]);
+
+        return new self(
+            securityEvent: $event,
+            message: 'Spam protection triggered: Honeypot field was filled',
+            additionalContext: $context
+        );
+    }
+
+    public static function submittedTooQuickly(int $elapsedSeconds, int $minimumSeconds = 2): self
+    {
+        $event = new BotDetectedEvent(
+            reason: "Form submitted too quickly ({$elapsedSeconds}s < {$minimumSeconds}s)",
+            ip: $_SERVER['REMOTE_ADDR'] ?? 'unknown',
+            userAgent: $_SERVER['HTTP_USER_AGENT'] ?? 'unknown'
+        );
+
+        $context = ExceptionContext::forOperation('security.honeypot', 'HoneypotMiddleware')
+            ->withData([
+                'validation_type' => 'submission_too_fast',
+                'elapsed_seconds' => $elapsedSeconds,
+                'minimum_seconds' => $minimumSeconds,
+                'risk_level' => 'medium',
+            ]);
+
+        return new self(
+            securityEvent: $event,
+            message: 'Spam protection triggered: Form submitted too quickly',
+            additionalContext: $context
+        );
+    }
+}

src/Framework/Exception/Security/PathTraversalAttemptException.php

@@ -4,7 +4,7 @@ declare(strict_types=1);
 
 namespace App\Framework\Exception\Security;
 
-use App\Framework\Exception\ErrorCode;
+use App\Framework\Exception\Core\SecurityErrorCode;
 use App\Framework\Exception\ExceptionContext;
 use App\Framework\Exception\FrameworkException;
 
@@ -56,7 +56,7 @@ final class PathTraversalAttemptException extends FrameworkException
             context: $context,
             code: 400, // Bad Request
             previous: $previous,
-            errorCode: ErrorCode::SECURITY_PATH_TRAVERSAL
+            errorCode: SecurityErrorCode::PATH_TRAVERSAL_DETECTED
         );
     }
 

src/Framework/Exception/Security/SqlInjectionAttemptException.php

@@ -4,7 +4,7 @@ declare(strict_types=1);
 
 namespace App\Framework\Exception\Security;
 
-use App\Framework\Exception\ErrorCode;
+use App\Framework\Exception\Core\SecurityErrorCode;
 use App\Framework\Exception\ExceptionContext;
 use App\Framework\Exception\FrameworkException;
 
@@ -61,7 +61,7 @@ final class SqlInjectionAttemptException extends FrameworkException
             context: $context,
             code: 400, // Bad Request
             previous: $previous,
-            errorCode: ErrorCode::SECURITY_SQL_INJECTION
+            errorCode: SecurityErrorCode::SQL_INJECTION_DETECTED
         );
     }
 

src/Framework/Exception/Security/XssAttemptException.php

@@ -4,7 +4,7 @@ declare(strict_types=1);
 
 namespace App\Framework\Exception\Security;
 
-use App\Framework\Exception\ErrorCode;
+use App\Framework\Exception\Core\SecurityErrorCode;
 use App\Framework\Exception\ExceptionContext;
 use App\Framework\Exception\FrameworkException;
 
@@ -61,7 +61,7 @@ final class XssAttemptException extends FrameworkException
             context: $context,
             code: 400, // Bad Request
             previous: $previous,
-            errorCode: ErrorCode::SECURITY_XSS_ATTEMPT
+            errorCode: SecurityErrorCode::XSS_DETECTED
         );
     }