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/Http/Url/UrlSpecTest.php

@@ -0,0 +1,149 @@
+<?php
+
+declare(strict_types=1);
+
+use App\Framework\Http\Url\UrlSpec;
+use App\Framework\Http\Url\UrlUseCase;
+
+describe('UrlSpec', function () {
+    describe('enum values', function () {
+        it('has RFC3986 case', function () {
+            expect(UrlSpec::RFC3986->value)->toBe('rfc3986');
+        });
+
+        it('has WHATWG case', function () {
+            expect(UrlSpec::WHATWG->value)->toBe('whatwg');
+        });
+    });
+
+    describe('use case mapping', function () {
+        it('maps API_CLIENT to RFC3986', function () {
+            $spec = UrlSpec::forUseCase(UrlUseCase::API_CLIENT);
+
+            expect($spec)->toBe(UrlSpec::RFC3986);
+        });
+
+        it('maps CURL_REQUEST to RFC3986', function () {
+            $spec = UrlSpec::forUseCase(UrlUseCase::CURL_REQUEST);
+
+            expect($spec)->toBe(UrlSpec::RFC3986);
+        });
+
+        it('maps SIGNATURE_GENERATION to RFC3986', function () {
+            $spec = UrlSpec::forUseCase(UrlUseCase::SIGNATURE_GENERATION);
+
+            expect($spec)->toBe(UrlSpec::RFC3986);
+        });
+
+        it('maps CANONICAL_URL to RFC3986', function () {
+            $spec = UrlSpec::forUseCase(UrlUseCase::CANONICAL_URL);
+
+            expect($spec)->toBe(UrlSpec::RFC3986);
+        });
+
+        it('maps BROWSER_REDIRECT to WHATWG', function () {
+            $spec = UrlSpec::forUseCase(UrlUseCase::BROWSER_REDIRECT);
+
+            expect($spec)->toBe(UrlSpec::WHATWG);
+        });
+
+        it('maps DEEP_LINK to WHATWG', function () {
+            $spec = UrlSpec::forUseCase(UrlUseCase::DEEP_LINK);
+
+            expect($spec)->toBe(UrlSpec::WHATWG);
+        });
+
+        it('maps HTML_FORM_ACTION to WHATWG', function () {
+            $spec = UrlSpec::forUseCase(UrlUseCase::HTML_FORM_ACTION);
+
+            expect($spec)->toBe(UrlSpec::WHATWG);
+        });
+
+        it('maps CLIENT_SIDE_URL to WHATWG', function () {
+            $spec = UrlSpec::forUseCase(UrlUseCase::CLIENT_SIDE_URL);
+
+            expect($spec)->toBe(UrlSpec::WHATWG);
+        });
+    });
+
+    describe('convenience methods', function () {
+        it('checks if RFC3986', function () {
+            expect(UrlSpec::RFC3986->isRfc3986())->toBeTrue();
+            expect(UrlSpec::WHATWG->isRfc3986())->toBeFalse();
+        });
+
+        it('checks if WHATWG', function () {
+            expect(UrlSpec::WHATWG->isWhatwg())->toBeTrue();
+            expect(UrlSpec::RFC3986->isWhatwg())->toBeFalse();
+        });
+    });
+});
+
+describe('UrlUseCase', function () {
+    describe('enum cases', function () {
+        it('has all expected use cases', function () {
+            $cases = UrlUseCase::cases();
+
+            expect($cases)->toHaveCount(8);
+            expect($cases)->toContain(UrlUseCase::API_CLIENT);
+            expect($cases)->toContain(UrlUseCase::CURL_REQUEST);
+            expect($cases)->toContain(UrlUseCase::SIGNATURE_GENERATION);
+            expect($cases)->toContain(UrlUseCase::CANONICAL_URL);
+            expect($cases)->toContain(UrlUseCase::BROWSER_REDIRECT);
+            expect($cases)->toContain(UrlUseCase::DEEP_LINK);
+            expect($cases)->toContain(UrlUseCase::HTML_FORM_ACTION);
+            expect($cases)->toContain(UrlUseCase::CLIENT_SIDE_URL);
+        });
+    });
+
+    describe('descriptions', function () {
+        it('provides description for API_CLIENT', function () {
+            $desc = UrlUseCase::API_CLIENT->description();
+
+            expect($desc)->toContain('API');
+            expect($desc)->toContain('REST');
+        });
+
+        it('provides description for BROWSER_REDIRECT', function () {
+            $desc = UrlUseCase::BROWSER_REDIRECT->description();
+
+            expect($desc)->toContain('Browser');
+            expect($desc)->toContain('redirect');
+        });
+
+        it('provides description for SIGNATURE_GENERATION', function () {
+            $desc = UrlUseCase::SIGNATURE_GENERATION->description();
+
+            expect($desc)->toContain('signature');
+            expect($desc)->toContain('OAuth');
+        });
+
+        it('provides descriptions for all use cases', function () {
+            foreach (UrlUseCase::cases() as $useCase) {
+                expect(strlen($useCase->description()))->toBeGreaterThan(0);
+            }
+        });
+    });
+
+    describe('recommended spec', function () {
+        it('recommends RFC3986 for API_CLIENT', function () {
+            $spec = UrlUseCase::API_CLIENT->recommendedSpec();
+
+            expect($spec)->toBe(UrlSpec::RFC3986);
+        });
+
+        it('recommends WHATWG for BROWSER_REDIRECT', function () {
+            $spec = UrlUseCase::BROWSER_REDIRECT->recommendedSpec();
+
+            expect($spec)->toBe(UrlSpec::WHATWG);
+        });
+
+        it('provides recommendation for all use cases', function () {
+            foreach (UrlUseCase::cases() as $useCase) {
+                $spec = $useCase->recommendedSpec();
+
+                expect($spec)->toBeInstanceOf(UrlSpec::class);
+            }
+        });
+    });
+});