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/Database/Schema/ColumnDefinition.php

@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 namespace App\Framework\Database\Schema;
 
+use App\Framework\Database\ValueObjects\ColumnName;
+
 /**
  * Column definition with fluent modifiers
  */
@@ -11,7 +13,7 @@ final class ColumnDefinition
 {
     public readonly string $type;
 
-    public readonly string $name;
+    public readonly ColumnName $name;
 
     public readonly array $parameters;
 
@@ -41,10 +43,14 @@ final class ColumnDefinition
 
     public ?string $collation = null;
 
-    public function __construct(string $type, string $name, array $parameters = [])
+    public bool $isGenerated = false;
+
+    public ?string $generatedExpression = null;
+
+    public function __construct(string $type, string|ColumnName $name, array $parameters = [])
     {
         $this->type = $type;
-        $this->name = $name;
+        $this->name = $name instanceof ColumnName ? $name : ColumnName::fromString($name);
         $this->parameters = $parameters;
     }
 
@@ -71,6 +77,11 @@ final class ColumnDefinition
         return $this->default('CURRENT_TIMESTAMP');
     }
 
+    public function uuidDefault(): self
+    {
+        return $this->default('gen_random_uuid()');
+    }
+
     public function autoIncrement(): self
     {
         $this->autoIncrement = true;
@@ -140,4 +151,12 @@ final class ColumnDefinition
 
         return $this;
     }
+
+    public function storedAs(string $expression): self
+    {
+        $this->isGenerated = true;
+        $this->generatedExpression = $expression;
+
+        return $this;
+    }
 }