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.

tests/Unit/Framework/Development/HotReload/FileChangeEventTest.php

@@ -0,0 +1,81 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Framework\Development\HotReload;
+
+use App\Framework\Development\HotReload\FileChangeEvent;
+use App\Framework\Development\HotReload\FileChangeType;
+
+describe('FileChangeEvent', function () {
+    it('creates event for file creation', function () {
+        $event = FileChangeEvent::created('/path/to/file.php');
+
+        expect($event->getPath())->toBe('/path/to/file.php');
+        expect($event->getType())->toBe(FileChangeType::CREATED);
+        expect($event->getTimestamp())->not->toBeNull();
+    });
+
+    it('creates event for file modification', function () {
+        $event = FileChangeEvent::modified('/path/to/file.php', 'abc123');
+
+        expect($event->getPath())->toBe('/path/to/file.php');
+        expect($event->getType())->toBe(FileChangeType::MODIFIED);
+        expect($event->getHash())->toBe('abc123');
+    });
+
+    it('creates event for file deletion', function () {
+        $event = FileChangeEvent::deleted('/path/to/file.php');
+
+        expect($event->getPath())->toBe('/path/to/file.php');
+        expect($event->getType())->toBe(FileChangeType::DELETED);
+    });
+
+    it('identifies PHP files', function () {
+        $event = FileChangeEvent::created('/path/to/file.php');
+        expect($event->isPhpFile())->toBeTrue();
+
+        $event2 = FileChangeEvent::created('/path/to/file.js');
+        expect($event2->isPhpFile())->toBeFalse();
+    });
+
+    it('identifies view files', function () {
+        $event = FileChangeEvent::created('/path/views/template.view.php');
+        expect($event->isViewFile())->toBeTrue();
+
+        $event2 = FileChangeEvent::created('/src/Controller.php');
+        expect($event2->isViewFile())->toBeFalse();
+    });
+
+    it('identifies config files', function () {
+        $event = FileChangeEvent::created('/config/app.php');
+        expect($event->isConfigFile())->toBeTrue();
+
+        $event2 = FileChangeEvent::created('/src/Service.php');
+        expect($event2->isConfigFile())->toBeFalse();
+    });
+
+    it('identifies asset files', function () {
+        expect(FileChangeEvent::created('/styles/app.css')->isAssetFile())->toBeTrue();
+        expect(FileChangeEvent::created('/scripts/app.js')->isAssetFile())->toBeTrue();
+        expect(FileChangeEvent::created('/src/app.ts')->isAssetFile())->toBeTrue();
+        expect(FileChangeEvent::created('/styles/main.scss')->isAssetFile())->toBeTrue();
+        expect(FileChangeEvent::created('/src/Controller.php')->isAssetFile())->toBeFalse();
+    });
+
+    it('gets relative path from base path', function () {
+        $event = FileChangeEvent::created('/var/www/html/src/Controller.php');
+
+        $relative = $event->getRelativePath('/var/www/html');
+
+        expect($relative)->toBe('src/Controller.php');
+    });
+
+    it('returns full path when base path does not match', function () {
+        $event = FileChangeEvent::created('/var/www/html/src/Controller.php');
+
+        $relative = $event->getRelativePath('/other/path');
+
+        expect($relative)->toBe('/var/www/html/src/Controller.php');
+    });
+});