fix: ensure Filter receives current HTTP request when resolved from DI container

src/Filterable/Providers/FilterableServiceProvider.php

@@ -3,6 +3,7 @@
 namespace Filterable\Providers;
 
 use Filterable\Console\MakeFilterCommand;
+use Illuminate\Http\Request;
 use Spatie\LaravelPackageTools\Package;
 use Spatie\LaravelPackageTools\PackageServiceProvider;
 
@@ -18,6 +19,31 @@ public function configurePackage(Package $package): void
             ->hasCommand(MakeFilterCommand::class);
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function packageRegistered(): void
+    {
+        $this->registerFilterBindings();
+    }
+
+    /**
+     * Register global bindings for Filter dependencies.
+     *
+     * This ensures that when a Filter subclass is resolved from the DI container,
+     * it receives the current HTTP request instance rather than an empty Request.
+     */
+    protected function registerFilterBindings(): void
+    {
+        // Bind Request class to resolve to the current request from the container.
+        // This ensures Filter subclasses get the active HTTP request instead of an empty one.
+        // Using bindIf() ensures we don't override any existing Request bindings.
+        // Tests can still override this by calling $app->instance(Request::class, $request).
+        $this->app->bindIf(Request::class, function ($app) {
+            return $app['request'];
+        });
+    }
+
     /**
      * {@inheritdoc}
      */