chore: 添加缺失的静态资源文件

添加多个前端界面所需的图片、字体、音频等静态资源文件，包括：
- 管理员后台的图标、背景图、组件图片
- 移动端页面的商品图片、用户中心图片、活动图标
- 第三方库的示例图片和字体文件
- 浏览器兼容性配置文件
- 图标字体文件（eot、ttf、woff、woff2格式）

这些资源是前端界面正常显示所必需的，之前可能因版本控制忽略或遗漏而缺失。

vendor/guzzlehttp/command/tests/Exception/CommandExceptionTest.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace GuzzleHttp\Tests\Command\CommandException;
+
+use GuzzleHttp\Command\CommandInterface;
+use GuzzleHttp\Command\Exception\CommandClientException;
+use GuzzleHttp\Command\Exception\CommandException;
+use GuzzleHttp\Command\Exception\CommandServerException;
+use GuzzleHttp\Exception\RequestException;
+use PHPUnit\Framework\TestCase;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
+
+/**
+ * @covers \GuzzleHttp\Command\Exception\CommandException
+ */
+class CommandExceptionTest extends TestCase
+{
+    public function testCanGetDataFromException()
+    {
+        $command = $this->getMockForAbstractClass(CommandInterface::class);
+        $request = $this->getMockForAbstractClass(RequestInterface::class);
+        $response = $this->getMockForAbstractClass(ResponseInterface::class);
+
+        $exception = new CommandException('error', $command, null, $request, $response);
+        $this->assertSame($command, $exception->getCommand());
+        $this->assertSame($request, $exception->getRequest());
+        $this->assertSame($response, $exception->getResponse());
+    }
+
+    public function testFactoryReturnsExceptionIfAlreadyCommandException()
+    {
+        $command = $this->getMockForAbstractClass(CommandInterface::class);
+        $previous = CommandException::fromPrevious($command, new \Exception());
+
+        $exception = CommandException::fromPrevious($command, $previous);
+        $this->assertSame($previous, $exception);
+    }
+
+    public function testFactoryReturnsClientExceptionFor400LevelStatusCode()
+    {
+        $command = $this->getMockForAbstractClass(CommandInterface::class);
+        $request = $this->getMockForAbstractClass(RequestInterface::class);
+        $response = $this->getMockForAbstractClass(ResponseInterface::class);
+        $response->method('getStatusCode')->willReturn(404);
+        $previous = new RequestException('error', $request, $response);
+
+        $exception = CommandException::fromPrevious($command, $previous);
+        $this->assertInstanceOf(CommandClientException::class, $exception);
+    }
+
+    public function testFactoryReturnsServerExceptionFor500LevelStatusCode()
+    {
+        $command = $this->getMockForAbstractClass(CommandInterface::class);
+        $request = $this->getMockForAbstractClass(RequestInterface::class);
+        $response = $this->getMockForAbstractClass(ResponseInterface::class);
+        $response->method('getStatusCode')->willReturn(500);
+        $previous = new RequestException('error', $request, $response);
+
+        $exception = CommandException::fromPrevious($command, $previous);
+        $this->assertInstanceOf(CommandServerException::class, $exception);
+    }
+}