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vinexel/vision-serve
====================

Core of Vinexel Framework - v1.x

v1.0.0(10mo ago)041MITPHPPHP ^8.3

Since Oct 20Pushed 2w agoCompare

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READMEChangelog (1)Dependencies (3)Versions (3)Used By (1)

[![Vinexel Core Engine Logo](https://camo.githubusercontent.com/3973138f35752a20e7f77f2a62beadafe2978c68f3a112eef4740f3ae66b3f66/68747470733a2f2f76696e6578656c2e636f6d2f7374617469632f76696e6578656c2f696d616765732f6c6f676f2e706e67)](https://camo.githubusercontent.com/3973138f35752a20e7f77f2a62beadafe2978c68f3a112eef4740f3ae66b3f66/68747470733a2f2f76696e6578656c2e636f6d2f7374617469632f76696e6578656c2f696d616765732f6c6f676f2e706e67)VINEXEL Core Engine
===================

[](#vinexel-core-engine)

### The Runtime Foundation of the Vinexel Framework

[](#the-runtime-foundation-of-the-vinexel-framework)

**Scientific. Modular. Deterministic. Extensible. Efficient.**

> **“The framework provides the structure. The engine makes it work.”**

[![PHP](https://camo.githubusercontent.com/38027453aeb7eb818641c9de8f82b7624c3558d92634f1946edc715c3ddf8956/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f5048502d382e332532422d3737374242343f6c6f676f3d706870266c6f676f436f6c6f723d7768697465)](https://camo.githubusercontent.com/38027453aeb7eb818641c9de8f82b7624c3558d92634f1946edc715c3ddf8956/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f5048502d382e332532422d3737374242343f6c6f676f3d706870266c6f676f436f6c6f723d7768697465)[![Component](https://camo.githubusercontent.com/ea61b5c93026cecdf594b27bb0b6bab605dcad3ab1ec234d1fb65b55677bfc12/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f436f6d706f6e656e742d436f7265253230456e67696e652d304137454134)](https://camo.githubusercontent.com/ea61b5c93026cecdf594b27bb0b6bab605dcad3ab1ec234d1fb65b55677bfc12/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f436f6d706f6e656e742d436f7265253230456e67696e652d304137454134)[![Architecture](https://camo.githubusercontent.com/55c96a6231f061941665fffad682f902acdb7f1aef1d43b8981eff531606ef91/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f4172636869746563747572652d4d6f64756c617225323052756e74696d652d313841353538)](https://camo.githubusercontent.com/55c96a6231f061941665fffad682f902acdb7f1aef1d43b8981eff531606ef91/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f4172636869746563747572652d4d6f64756c617225323052756e74696d652d313841353538)[![License](https://camo.githubusercontent.com/5caa455d8debc46fb23abbadb45a733a937f3910a73fc875c2f7820468e1bb54/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f4c6963656e73652d4d49542d677265656e)](https://camo.githubusercontent.com/5caa455d8debc46fb23abbadb45a733a937f3910a73fc875c2f7820468e1bb54/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f4c6963656e73652d4d49542d677265656e)

---

About Vinexel Core Engine
-------------------------

[](#about-vinexel-core-engine)

**Vinexel Core Engine** is the independent runtime engine that powers the Vinexel Framework ecosystem.

It contains the foundational execution mechanisms required to receive requests, initialize the application, resolve projects, load routes, execute middleware, dispatch controllers, render responses, manage errors, and coordinate shared framework services.

The Core Engine is intentionally separated from the Vinexel Framework skeleton.

This separation allows the application structure and runtime implementation to evolve independently while remaining connected through stable contracts.

The framework skeleton defines how developers organize applications.

The Core Engine defines how those applications are executed.

Core Engine and Framework Skeleton
----------------------------------

[](#core-engine-and-framework-skeleton)

Vinexel consists of two primary layers:

LayerResponsibility**Framework Skeleton**Provides the application structure, project organization, configuration, routes, controllers, services, models, views, and developer-facing conventions.**Core Engine**Provides the runtime kernel, request lifecycle, routing execution, middleware pipeline, service coordination, error handling, and infrastructure integration.```
┌──────────────────────────────────────────────────────────────┐
│                  Vinexel Framework Skeleton                  │
│                                                              │
│  Projects · Controllers · Services · Models · Routes · Views │
│  Configuration · Application Logic · Developer Conventions   │
└──────────────────────────────┬───────────────────────────────┘
                               │
                               │ Stable Contracts
                               ▼
┌──────────────────────────────────────────────────────────────┐
│                    Vinexel Core Engine                       │
│                                                              │
│  Bootstrap · Kernel · Router · Middleware · Request ·        │
│  Response · Security · Events · Errors · Infrastructure      │
└──────────────────────────────┬───────────────────────────────┘
                               │
                               ▼
┌──────────────────────────────────────────────────────────────┐
│                       PHP Runtime                            │
│                                                              │
│     Web Server · Database · Redis · Filesystem · Network     │
└──────────────────────────────────────────────────────────────┘

```

The skeleton depends on the engine.

The engine must not depend on project-specific application logic.

---

Purpose
-------

[](#purpose)

Vinexel Core Engine exists to provide a stable, reusable, and scientifically engineered runtime foundation for every Vinexel application.

Its responsibilities include:

- bootstrapping the application;
- resolving the active project or tenant;
- creating the request context;
- loading configuration;
- initializing framework services;
- registering routes;
- executing middleware;
- dispatching controllers;
- coordinating application services;
- generating responses;
- handling exceptions;
- recording runtime diagnostics;
- and terminating the request safely.

The engine is designed to remain independent from business logic, user interfaces, and project-specific implementation details.

Engineering Philosophy
----------------------

[](#engineering-philosophy)

The Core Engine is developed according to measurable engineering principles rather than feature accumulation.

PrincipleMeaning**Determinism**The same valid input and configuration should produce predictable runtime behavior.**Minimalism**The engine should contain only foundational runtime responsibilities.**Modularity**Components should remain focused, replaceable, and independently testable.**Isolation**Project logic must remain outside the core runtime.**Explicitness**Runtime behavior, dependencies, and execution order should remain understandable.**Efficiency**Initialization and execution should avoid unnecessary computation and memory usage.**Extensibility**Applications should extend the engine through contracts, providers, middleware, and events.**Observability**Runtime behavior should be measurable through logs, metrics, traces, and diagnostics.**Backward Stability**Public contracts should evolve carefully and predictably.**Scientific Validation**Architectural and performance decisions should be supported by testing and measurement.
Scientific Runtime Development
------------------------------

[](#scientific-runtime-development)

Core Engine development follows a disciplined engineering cycle:

```
Observe Runtime Behavior
          ↓
Identify the Fundamental Problem
          ↓
Form an Engineering Hypothesis
          ↓
Design the Smallest Coherent Change
          ↓
Test Correctness and Compatibility
          ↓
Measure Performance and Resource Usage
          ↓
Document the Result
          ↓
Refine the Runtime

```

Changes should be evaluated according to:

- correctness;
- execution predictability;
- memory consumption;
- response latency;
- initialization cost;
- security impact;
- maintainability;
- backward compatibility;
- and operational reliability.

---

Runtime Architecture
--------------------

[](#runtime-architecture)

Vinexel Core Engine uses a modular runtime architecture centered around the application kernel.

```
Incoming Request
       │
       ▼
Public Entry Point
       │
       ▼
Bootstrap Process
       │
       ▼
Application Kernel
       │
       ├── Configuration
       ├── Environment
       ├── Service Registry
       ├── Project Resolver
       ├── Route Loader
       ├── Middleware Pipeline
       ├── Controller Dispatcher
       ├── Response Handler
       └── Exception Handler
       │
       ▼
Application Response

```

Each runtime component has a focused responsibility and communicates through explicit contracts.

Request Lifecycle
-----------------

[](#request-lifecycle)

A typical Vinexel request follows this lifecycle:

```
1. Receive the HTTP request
2. Initialize the runtime environment
3. Load configuration
4. Resolve the active project or tenant
5. Register framework services
6. Create the request context
7. Load project routes
8. Match the requested route
9. Execute global middleware
10. Execute route middleware
11. Dispatch the controller action
12. Execute application logic
13. Generate the response
14. Apply response middleware
15. Send the response
16. Run termination handlers

```

The request lifecycle should remain observable, predictable, and independently testable.

---

Core Components
---------------

[](#core-components)

Bootstrap
---------

[](#bootstrap)

The bootstrap layer initializes the minimum runtime state required to start the application.

Typical responsibilities include:

- loading environment variables;
- registering autoloaders;
- defining runtime paths;
- loading configuration;
- initializing error handling;
- creating the application instance;
- and starting the kernel.

The bootstrap process should remain lightweight and free from project-specific business logic.

Application Kernel
------------------

[](#application-kernel)

The application kernel is the central runtime coordinator.

It is responsible for:

- receiving the request;
- initializing shared services;
- executing global middleware;
- invoking the router;
- coordinating exception handling;
- returning the final response;
- and terminating request-level resources.

Conceptually:

```
$request = Request::capture();

$response = $kernel->handle($request);

$response->send();

$kernel->terminate($request, $response);
```

The kernel coordinates components without absorbing all their internal responsibilities.

Request
-------

[](#request)

The request component provides structured access to incoming HTTP data.

It can expose:

- HTTP method;
- URI;
- query parameters;
- form data;
- JSON payloads;
- uploaded files;
- cookies;
- headers;
- client information;
- host;
- port;
- project context;
- and route parameters.

Example:

```
$name = $request->input('name');
$email = $request->post('email');
$page = $request->query('page', 1);

if ($request->isPost()) {
    // Process the request.
}
```

Incoming data should remain distinguishable from validated application data.

Response
--------

[](#response)

The response component represents the outgoing application result.

Supported response types can include:

- HTML responses;
- JSON responses;
- redirects;
- file downloads;
- streamed responses;
- error responses;
- and empty responses.

Example:

```
return Response::json([
    'success' => true,
    'data' => $result,
]);
```

Response generation should remain independent from transport output whenever possible.

Router
------

[](#router)

The router matches incoming requests to registered application actions.

Core routing responsibilities include:

- HTTP method matching;
- URI pattern matching;
- dynamic parameters;
- named routes;
- middleware assignment;
- controller resolution;
- project-specific route loading;
- and route caching.

Example route:

```
Router::get('/users/{id}', 'UserController@show')
    ->name('users.show')
    ->middleware('auth');
```

Example route resolution:

```
GET /users/42
        ↓
UserController@show
        ↓
Route parameter: id = 42

```

The router should only resolve and dispatch routes.

Business logic belongs in application services.

Route Loader
------------

[](#route-loader)

The route loader determines which route definitions must be loaded for the active project.

It can support:

- dynamic route loading;
- cached route loading;
- project-specific route files;
- API routes;
- web routes;
- administrative routes;
- domain-specific routes;
- and modular route providers.

```
Active Project
      ↓
Route Loader
      ↓
Project Route Files
      ↓
Compiled Route Collection
      ↓
Router

```

Route loading should avoid parsing unrelated project routes during every request.

Middleware Pipeline
-------------------

[](#middleware-pipeline)

Middleware processes requests before or after the main application action.

```
Request
   ↓
Global Middleware
   ↓
Project Middleware
   ↓
Route Middleware
   ↓
Controller
   ↓
Response Middleware
   ↓
Response

```

Middleware can be used for:

- session initialization;
- authentication;
- authorization;
- CSRF validation;
- request sanitization;
- locale detection;
- rate limiting;
- maintenance mode;
- security headers;
- logging;
- and response transformation.

Example:

```
final class Authenticate
{
    public function handle(Request $request, Closure $next): Response
    {
        if (!Auth::check()) {
            return Response::redirect('/login');
        }

        return $next($request);
    }
}
```

Middleware should perform focused request or response concerns rather than contain general business logic.

Controller Dispatcher
---------------------

[](#controller-dispatcher)

The controller dispatcher resolves and executes the route target.

Its responsibilities include:

- resolving controller classes;
- validating controller methods;
- injecting route parameters;
- invoking controller actions;
- normalizing returned values;
- and converting results into responses.

```
Matched Route
     ↓
Controller Resolver
     ↓
Method Validation
     ↓
Parameter Resolution
     ↓
Controller Execution
     ↓
Response Normalization

```

The dispatcher should reject invalid, inaccessible, or ambiguous route targets.

Project Resolver
----------------

[](#project-resolver)

The project resolver determines which application project should handle the current request.

Resolution may use:

- domain name;
- port;
- environment configuration;
- database records;
- tenant mappings;
- command-line context;
- or custom resolution strategies.

Example:

```
app-one.example.com → ProjectOne
app-two.example.com → ProjectTwo
127.0.0.1:8001     → ProjectOne
127.0.0.1:8002     → ProjectTwo

```

The resolver produces an explicit project context that can be used throughout the request lifecycle.

Service Registry
----------------

[](#service-registry)

The service registry manages shared runtime services and their bindings.

Typical services include:

- router;
- database;
- cache;
- session;
- logger;
- filesystem;
- configuration;
- event dispatcher;
- encryption;
- validation;
- and project resolution.

The registry should support:

- interface-to-implementation bindings;
- singleton services;
- transient services;
- lazy initialization;
- service factories;
- and environment-specific implementations.

Example concept:

```
$services->singleton(CacheInterface::class, function () {
    return new RedisCache();
});
```

Services should be resolved through contracts rather than hidden global dependencies whenever practical.

Configuration
-------------

[](#configuration)

The configuration system provides structured access to runtime settings.

Configuration may originate from:

- environment variables;
- configuration files;
- project configuration;
- runtime overrides;
- and cached configuration.

Example:

```
$appName = config('app.name');
$debug = config('app.debug', false);
```

Configuration should be loaded once, normalized, and reused throughout the request.

Sensitive configuration must not be exposed in public error messages or logs.

Environment
-----------

[](#environment)

The environment component identifies the current runtime context.

Supported environments can include:

```
development
testing
staging
production

```

Environment state can control:

- error visibility;
- log level;
- cache strategy;
- database configuration;
- security policies;
- debugging;
- and service implementations.

Production mode should prioritize security, stability, and controlled diagnostics.

Events
------

[](#events)

The event system allows runtime components and applications to communicate without tight coupling.

Potential events include:

```
engine.booting
engine.booted
request.received
project.resolved
routes.loading
routes.loaded
route.matched
middleware.executing
controller.dispatching
response.created
response.sending
request.terminated
exception.thrown

```

Example:

```
$events->listen('route.matched', function ($event) {
    // Record routing diagnostics.
});
```

Events should not make core execution order unpredictable.

Critical operations should remain explicit.

Exception Handling
------------------

[](#exception-handling)

The exception handler converts runtime failures into controlled application responses.

Responsibilities include:

- classifying exceptions;
- recording error context;
- generating environment-safe responses;
- mapping exceptions to HTTP status codes;
- preserving request identifiers;
- and preventing sensitive data exposure.

```
Exception
    ↓
Classification
    ↓
Logging
    ↓
Environment Policy
    ↓
Safe Response

```

Development responses may include detailed diagnostics.

Production responses should remain minimal and secure.

Logging
-------

[](#logging)

The logging system records structured runtime events.

Recommended log context includes:

- timestamp;
- log level;
- request identifier;
- active project;
- route name;
- exception class;
- execution duration;
- memory usage;
- user identifier when appropriate;
- and environment.

Example:

```
$logger->error('Route dispatch failed', [
    'request_id' => $requestId,
    'project' => $project,
    'route' => $routeName,
    'exception' => $exception::class,
]);
```

Sensitive values such as passwords, authentication tokens, and secret keys must never be logged.

Cache
-----

[](#cache)

The cache subsystem provides shared caching contracts for runtime and application use.

Potential cache drivers include:

- filesystem;
- Redis;
- in-memory storage;
- database;
- and custom adapters.

The engine can use cache for:

- routes;
- configuration;
- service metadata;
- compiled templates;
- project mappings;
- and reusable runtime data.

Cache operations should support explicit expiration and predictable invalidation.

Session
-------

[](#session)

The session subsystem manages state across requests.

Potential session drivers include:

- native PHP sessions;
- filesystem;
- Redis;
- database;
- and custom session storage.

Core responsibilities include:

- session initialization;
- identifier regeneration;
- secure cookie configuration;
- flash data;
- session persistence;
- and session termination.

Authentication state should not be trusted without appropriate validation and rotation policies.

Security
--------

[](#security)

Security is integrated into the runtime lifecycle.

The engine can provide foundational support for:

- CSRF protection;
- request validation;
- input sanitization;
- secure headers;
- session protection;
- cookie policies;
- path validation;
- host validation;
- exception sanitization;
- and suspicious request detection.

Security components should remain configurable and independently testable.

The engine must not silently alter valid application data in ways that make behavior unpredictable.

Database Integration
--------------------

[](#database-integration)

The Core Engine can coordinate database services without embedding project-specific database logic.

Responsibilities may include:

- connection management;
- connection configuration;
- transaction coordination;
- driver selection;
- query logging;
- and connection lifecycle management.

The engine provides infrastructure.

Application models and repositories define domain-specific queries.

View Integration
----------------

[](#view-integration)

The engine can coordinate view rendering through a view contract.

Supported renderers may include:

- native PHP;
- Rapid templates;
- Twig-compatible templates;
- JSON serialization;
- and custom renderers.

Example:

```
return $view->render(
    'pages.dashboard',
    ['user' => $user]
);
```

The engine should not require one rendering technology when a stable rendering contract can support multiple implementations.

---

Architectural Boundaries
------------------------

[](#architectural-boundaries)

Vinexel Core Engine must remain independent from application-level concerns.

### The Core Engine May Contain

[](#the-core-engine-may-contain)

- runtime contracts;
- request and response abstractions;
- routing;
- middleware execution;
- application kernel;
- service coordination;
- configuration;
- logging;
- cache contracts;
- session contracts;
- exception handling;
- security foundations;
- and runtime diagnostics.

### The Core Engine Must Not Contain

[](#the-core-engine-must-not-contain)

- project-specific controllers;
- business rules;
- application models;
- product features;
- user interface templates;
- project branding;
- tenant-specific logic;
- application-specific database queries;
- or domain-specific workflows.

Dependency Direction
--------------------

[](#dependency-direction)

The intended dependency direction is:

```
Application Projects
        ↓
Framework Skeleton
        ↓
Core Engine Contracts
        ↓
Core Engine Runtime
        ↓
PHP and Infrastructure

```

The Core Engine must never depend upward on a specific application project.

Invalid dependency examples:

```
Core Engine → Project Controller
Core Engine → Application Model
Core Engine → Product Service
Core Engine → Project View

```

Valid dependency examples:

```
Project Controller → Engine Request Contract
Project Middleware → Engine Middleware Contract
Framework Router → Engine Route Collection
Application Service → Engine Cache Contract

```

---

Extension Model
---------------

[](#extension-model)

The Core Engine should be extended through controlled mechanisms.

Supported extension points can include:

- service providers;
- middleware;
- events;
- contracts;
- adapters;
- route providers;
- cache drivers;
- session drivers;
- log handlers;
- response renderers;
- and project resolvers.

Service Providers
-----------------

[](#service-providers)

Service providers register or initialize framework and application services.

Example:

```
final class DatabaseServiceProvider
{
    public function register(ServiceRegistry $services): void
    {
        $services->singleton(
            DatabaseInterface::class,
            fn () => new Database(config('database'))
        );
    }

    public function boot(): void
    {
        // Perform post-registration initialization.
    }
}
```

Service registration and service booting should remain separate phases.

Contracts
---------

[](#contracts)

Contracts define stable boundaries between the engine and external implementations.

Potential contracts include:

```
RequestInterface
ResponseInterface
RouterInterface
MiddlewareInterface
CacheInterface
SessionInterface
LoggerInterface
DatabaseInterface
ProjectResolverInterface
ViewRendererInterface
ExceptionHandlerInterface

```

Contracts allow the framework to replace implementations without changing application-facing behavior.

Adapters
--------

[](#adapters)

Adapters connect engine contracts to external infrastructure.

Examples:

```
RedisCacheAdapter
FilesystemCacheAdapter
NativeSessionAdapter
RedisSessionAdapter
PdoDatabaseAdapter
MonologAdapter
TwigRendererAdapter

```

Adapters should translate external behavior into stable engine interfaces.

---

Suggested Core Structure
------------------------

[](#suggested-core-structure)

```
core/
├── Bootstrap/
│   ├── ApplicationBootstrap.php
│   ├── EnvironmentLoader.php
│   └── PathResolver.php
│
├── Contracts/
│   ├── CacheInterface.php
│   ├── LoggerInterface.php
│   ├── MiddlewareInterface.php
│   ├── ProjectResolverInterface.php
│   ├── RequestInterface.php
│   ├── ResponseInterface.php
│   └── RouterInterface.php
│
├── Foundation/
│   ├── Application.php
│   ├── Kernel.php
│   ├── ServiceRegistry.php
│   └── ServiceProvider.php
│
├── Http/
│   ├── Request.php
│   ├── Response.php
│   ├── UploadedFile.php
│   └── HeaderBag.php
│
├── Routing/
│   ├── Router.php
│   ├── Route.php
│   ├── RouteCollection.php
│   ├── RouteLoader.php
│   └── ControllerDispatcher.php
│
├── Middleware/
│   ├── MiddlewarePipeline.php
│   └── MiddlewareResolver.php
│
├── Projects/
│   ├── ProjectContext.php
│   ├── ProjectResolver.php
│   └── ProjectRegistry.php
│
├── Configuration/
│   ├── Config.php
│   ├── ConfigLoader.php
│   └── ConfigRepository.php
│
├── Events/
│   ├── EventDispatcher.php
│   └── ListenerProvider.php
│
├── Exceptions/
│   ├── ExceptionHandler.php
│   ├── HttpException.php
│   └── RuntimeException.php
│
├── Security/
│   ├── CsrfProtection.php
│   ├── HostValidator.php
│   ├── RequestSanitizer.php
│   └── SecurityException.php
│
├── Cache/
├── Session/
├── Logging/
├── Database/
├── Support/
└── Testing/

```

The actual structure may evolve as the engine is refined, but each module should preserve a focused responsibility.

---

Performance Principles
----------------------

[](#performance-principles)

Vinexel Core Engine is designed to minimize unnecessary runtime overhead.

Performance strategies may include:

- lazy service initialization;
- configuration caching;
- route caching;
- optimized autoloading;
- project-specific route loading;
- reusable immutable objects;
- controlled middleware depth;
- minimal global state;
- reduced filesystem access;
- efficient request parsing;
- and predictable resource cleanup.

Performance claims must be validated through reproducible benchmarks.

Recommended measurements include:

MetricPurpose**Bootstrap Time**Measures engine initialization cost.**Request Latency**Measures end-to-end response duration.**Memory Usage**Measures runtime memory consumption.**Peak Memory**Identifies expensive execution paths.**Route Match Time**Measures routing efficiency.**Middleware Time**Measures pipeline overhead.**Service Resolution Time**Measures container or registry cost.**Throughput**Measures requests processed under load.**Error Rate**Measures runtime reliability.Optimization must not reduce correctness, security, or maintainability.

Reliability Principles
----------------------

[](#reliability-principles)

The engine should fail predictably and safely.

Reliability mechanisms can include:

- explicit exception classification;
- deterministic boot order;
- validated configuration;
- controlled service initialization;
- transaction-safe termination;
- request identifiers;
- health checks;
- graceful degradation;
- defensive resource cleanup;
- and structured error reporting.

The engine should not hide critical failures behind silent fallback behavior.

Observability
-------------

[](#observability)

The Core Engine should make runtime behavior visible without coupling application logic to diagnostics.

Potential observability capabilities include:

- request tracing;
- structured logging;
- lifecycle events;
- execution timing;
- route diagnostics;
- middleware timing;
- service-resolution tracking;
- memory monitoring;
- database query logging;
- cache hit and miss metrics;
- and exception classification.

```
Request ID
    ↓
Project Resolution
    ↓
Route Matching
    ↓
Middleware Execution
    ↓
Controller Dispatch
    ↓
Response Generation
    ↓
Termination Metrics

```

Every request should be traceable across the complete lifecycle when observability is enabled.

---

Testing Strategy
----------------

[](#testing-strategy)

The Core Engine should be validated through several layers of testing.

### Unit Tests

[](#unit-tests)

Test isolated runtime components such as:

- route matching;
- request parsing;
- response creation;
- middleware execution;
- configuration loading;
- service resolution;
- and exception classification.

### Integration Tests

[](#integration-tests)

Test cooperation between components such as:

- router and dispatcher;
- middleware and kernel;
- project resolver and route loader;
- session and authentication;
- cache and configuration;
- and exception handling.

### Runtime Tests

[](#runtime-tests)

Test complete request lifecycles in representative environments.

### Performance Tests

[](#performance-tests)

Measure latency, memory, throughput, and initialization overhead.

### Compatibility Tests

[](#compatibility-tests)

Verify supported PHP versions, operating systems, web servers, and infrastructure adapters.

### Security Tests

[](#security-tests)

Validate host handling, input processing, CSRF controls, session behavior, path safety, and error sanitization.

Compatibility
-------------

[](#compatibility)

Vinexel Core Engine is intended for modern PHP environments.

Recommended requirements:

- PHP 8.3 or later;
- Composer-compatible autoloading;
- JSON extension;
- Mbstring extension;
- OpenSSL extension;
- PDO;
- and a supported web server or PHP runtime.

Optional integrations may include:

- Redis;
- MySQL;
- MariaDB;
- PostgreSQL;
- SQLite;
- Nginx;
- Apache;
- FrankenPHP;
- and other compatible runtime environments.

---

Installation
------------

[](#installation)

Vinexel Core Engine is normally installed and managed as a dependency of the Vinexel Framework skeleton.

Developers building standard Vinexel applications generally do not need to install the engine separately.

```
Vinexel Framework Skeleton
          ↓
Dependency Resolution
          ↓
Vinexel Core Engine
          ↓
Application Runtime

```

Direct installation is intended primarily for:

- framework contributors;
- runtime researchers;
- engine maintainers;
- custom distribution builders;
- and advanced integration developers.

Basic Runtime Integration
-------------------------

[](#basic-runtime-integration)

A simplified entry point may resemble:

```