Fix/chained local scopes

src/Eloquent/Model.php

@@ -863,8 +863,18 @@ public static function __callStatic(string $name, array $parameters): mixed
         $scope    = 'scope' . ucfirst($name);
 
         if (method_exists($instance, $scope)) {
-            $query = $instance->newQuery();
-            return $instance->$scope($query, ...$parameters);
+            $query  = $instance->newQuery();
+            $result = $instance->$scope($query, ...$parameters);
+
+            // Keep the chain model-aware (wrap back into ModelBuilder) so
+            // further calls — another scope, with(), etc. — can still be
+            // chained after this one. Without this, a second scope call
+            // like Model::active()->adult() fails with "Call to undefined
+            // method Query\Builder::adult()", because the raw Builder
+            // returned here has no idea what a "scope" is.
+            return $result instanceof Builder
+                ? new ModelBuilder($result, static::class)
+                : $result;
         }
 
         // Forward to ModelBuilder (select, where, orderBy, limit, etc.) so

src/Eloquent/ModelBuilder.php

@@ -229,12 +229,28 @@ public function with(string|array ...$relations): EagerBuilder
      * (the ModelBuilder) so the chain stays intact and the IDE continues
      * to see the correct type.
      *
+     * Local scopes (scopeXxx on the model) are resolved here too, so a
+     * scope stays chainable after another scope — e.g.
+     * Model::active()->adult()->get() — and not just after plain Builder
+     * methods. Without this, $name is forwarded straight to the raw
+     * Builder, which knows nothing about scopes and throws "Call to
+     * undefined method".
+     *
      * @param  string       $name
      * @param  array<mixed> $arguments
      * @return static|mixed
      */
     public function __call(string $name, array $arguments): mixed
     {
+        $modelInstance = new $this->modelClass();
+        $scope         = 'scope' . ucfirst($name);
+
+        if (method_exists($modelInstance, $scope)) {
+            $result = $modelInstance->$scope($this->builder, ...$arguments);
+
+            return $result === $this->builder ? $this : $result;
+        }
+
         $result = $this->builder->$name(...$arguments);
 
         // If Builder returned itself, keep the chain on ModelBuilder

tests/Integration/ModelCrudTest.php

@@ -407,6 +407,41 @@ public function test_local_scope(): void
         $this->assertSame('Alice', $active->first()->name);
     }
 
+    /**
+     * Regression: chaining a second local scope after the first one used
+     * to fail with "Call to undefined method Foxdb\Query\Builder::adult()"
+     * because the first scope call returned a raw Query\Builder instead of
+     * a model-aware ModelBuilder, so nothing could resolve scopeAdult()
+     * as a scope anymore.
+     */
+    public function test_chained_local_scopes(): void
+    {
+        TestUser::create(['name' => 'Alice', 'email' => 'a@test.com', 'age' => 25, 'is_active' => 1]); // active adult
+        TestUser::create(['name' => 'Bob',   'email' => 'b@test.com', 'age' => 15, 'is_active' => 1]); // active minor
+        TestUser::create(['name' => 'Carol', 'email' => 'c@test.com', 'age' => 30, 'is_active' => 0]); // inactive adult
+
+        $result = TestUser::active()->adult()->get();
+
+        $this->assertCount(1, $result);
+        $this->assertSame('Alice', $result->first()->name);
+    }
+
+    /**
+     * Regression: a scope must also stay chainable with ordinary Builder
+     * methods that come after it (where, orderBy, ...), not just other
+     * scopes.
+     */
+    public function test_local_scope_chained_with_builder_methods(): void
+    {
+        TestUser::create(['name' => 'Alice', 'email' => 'a@test.com', 'age' => 25, 'is_active' => 1]);
+        TestUser::create(['name' => 'Bob',   'email' => 'b@test.com', 'age' => 30, 'is_active' => 1]);
+
+        $result = TestUser::active()->where('age', 30)->orderByDesc('age')->get();
+
+        $this->assertCount(1, $result);
+        $this->assertSame('Bob', $result->first()->name);
+    }
+
     // -----------------------------------------------------------------------
     // Pagination
     // -----------------------------------------------------------------------
@@ -488,4 +523,9 @@ public function scopeActive(Builder $q): Builder
     {
         return $q->where('is_active', 1);
     }
+
+    public function scopeAdult(Builder $q): Builder
+    {
+        return $q->where('age', '>=', 18);
+    }
 }