refactor(router): remove leftover allowDuplicate parameter

Author: xHeaven

packages/router/src/Routing/Construction/RouteTreeNode.php

@@ -50,15 +50,13 @@ public function findOrCreateNodeForSegment(string $routeSegment): self
         return $this->dynamicPaths[$regexRouteSegment] ??= self::createDynamicRouteNode($regexRouteSegment);
     }
 
-    public function setTargetRoute(MarkedRoute $markedRoute, bool $allowDuplicate = false): void
+    public function setTargetRoute(MarkedRoute $markedRoute): void
     {
-        if ($this->targetRoute !== null && ! $allowDuplicate) {
+        if ($this->targetRoute !== null) {
             throw new DuplicateRouteException($markedRoute->route);
         }
 
-        if ($this->targetRoute === null) {
-            $this->targetRoute = $markedRoute;
-        }
+        $this->targetRoute = $markedRoute;
     }
 
     private static function convertDynamicSegmentToRegex(string $uriPart): string

packages/router/src/Routing/Construction/RoutingTree.php

@@ -28,22 +28,20 @@ public function add(MarkedRoute $markedRoute): void
         $node = $this->roots[$method->value] ??= RouteTreeNode::createRootRoute();
 
         $segments = $markedRoute->route->split();
-        $hasOptionalParams = false;
 
         // Traverse the tree and find the node for each route segment
         foreach ($segments as $index => $routeSegment) {
             $isOptional = $this->isOptionalSegment($routeSegment);
 
             if ($isOptional) {
-                $hasOptionalParams = true;
-                $node->setTargetRoute($markedRoute, allowDuplicate: true);
+                $node->setTargetRoute($markedRoute);
                 $routeSegment = $this->stripOptionalMarker($routeSegment);
             }
 
             $node = $node->findOrCreateNodeForSegment($routeSegment);
         }
 
-        $node->setTargetRoute($markedRoute, allowDuplicate: $hasOptionalParams);
+        $node->setTargetRoute($markedRoute);
     }
 
     private function isOptionalSegment(string $segment): bool