refactor(shop-statuses): migrate to DI, restructure docs into docs/ folder (0.268)

- Migrate ShopStatuses module to Domain + DI architecture
- Add ShopStatusRepository, ShopStatusesController with color picker
- Convert front\factory\ShopStatuses to facade
- Add FormFieldType::COLOR with HTML5 color picker
- Move documentation files to docs/ folder (PROJECT_STRUCTURE, REFACTORING_PLAN, CHANGELOG, FORM_EDIT_SYSTEM, TESTING, DATABASE_STRUCTURE)
- Tests: 254 tests, 736 assertions

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/Unit/admin/Controllers/ShopStatusesControllerTest.php

@@ -0,0 +1,57 @@
+<?php
+namespace Tests\Unit\admin\Controllers;
+
+use PHPUnit\Framework\TestCase;
+use admin\Controllers\ShopStatusesController;
+use Domain\ShopStatus\ShopStatusRepository;
+
+class ShopStatusesControllerTest extends TestCase
+{
+    private $repository;
+    private $controller;
+
+    protected function setUp(): void
+    {
+        $this->repository = $this->createMock(ShopStatusRepository::class);
+        $this->controller = new ShopStatusesController($this->repository);
+    }
+
+    public function testConstructorAcceptsRepository(): void
+    {
+        $controller = new ShopStatusesController($this->repository);
+        $this->assertInstanceOf(ShopStatusesController::class, $controller);
+    }
+
+    public function testHasMainActionMethods(): void
+    {
+        $this->assertTrue(method_exists($this->controller, 'list'));
+        $this->assertTrue(method_exists($this->controller, 'edit'));
+        $this->assertTrue(method_exists($this->controller, 'save'));
+    }
+
+    public function testHasNoLegacyAliasMethods(): void
+    {
+        $this->assertFalse(method_exists($this->controller, 'view_list'));
+        $this->assertFalse(method_exists($this->controller, 'status_edit'));
+        $this->assertFalse(method_exists($this->controller, 'status_save'));
+    }
+
+    public function testActionMethodReturnTypes(): void
+    {
+        $reflection = new \ReflectionClass($this->controller);
+
+        $this->assertEquals('string', (string)$reflection->getMethod('list')->getReturnType());
+        $this->assertEquals('string', (string)$reflection->getMethod('edit')->getReturnType());
+        $this->assertEquals('void', (string)$reflection->getMethod('save')->getReturnType());
+    }
+
+    public function testConstructorRequiresShopStatusRepository(): void
+    {
+        $reflection = new \ReflectionClass(ShopStatusesController::class);
+        $constructor = $reflection->getConstructor();
+        $params = $constructor->getParameters();
+
+        $this->assertCount(1, $params);
+        $this->assertEquals('Domain\ShopStatus\ShopStatusRepository', $params[0]->getType()->getName());
+    }
+}