feat(router): Introduce withMiddleware() for scoped middlewares

src/Libs/Router.php

@@ -21,6 +21,15 @@ class Router
     private static array $patch  = [];
     private static array $delete = [];
 
+    /**
+     * Stores a temporary stack of middlewares to be applied to routes defined
+     * within a specific scope, typically configured by `withMiddleware()`.
+     * These middlewares are active only during the execution of the scope's callback.
+     *
+     * @var array $withMiddlewares<callable>
+     */
+    private static array $withMiddlewares = [];
+
     /**
      * Stores the method and index of the last configured route, e.g., ['get', 0].
      * Used for chaining methods like middleware() or reconfigure().
@@ -166,6 +175,28 @@ class Router
         return new static();
     }
 
+    /**
+     * Temporarily applies a set of middlewares to routes defined within a given callback.
+     * The middlewares are only active for the duration of the callback execution
+     * and are reset afterwards.
+     *
+     * @param callable $middleware
+     * @param callable $callback
+     *
+     * @return static
+     */
+    public static function withMiddleware(callable $middleware, callable $callback): static
+    {
+        $currentMiddlewares = static::$withMiddlewares;
+        array_unshift(static::$withMiddlewares, $middleware);
+
+        $callback();
+
+        static::$withMiddlewares = $currentMiddlewares; // Restore withMiddleware
+
+        return new static();
+    }
+
     /**
      * Reconfigures the final callback of the last route.
      *
@@ -225,6 +256,13 @@ class Router
 
         static::$$method[] = static::parse($path, $callback);
         static::$last = [$method, count(static::$$method) - 1];
+
+        if (count(static::$withMiddlewares) > 0) {
+            foreach (static::$withMiddlewares as $middleware) {
+                static::middleware($middleware);
+            }
+        }
+
         return new static();
     }