添加新的工具功能和测试覆盖：

- 注册 `LsTool` 和 `BashTool` 工具，支持目录操作和命令执行
- 增强工具调用逻辑，添加日志记录以提升调试能力
- 增加 `ToolRegistry` 和 `RunLoop` 的增量累积与排序优化
- 完善单元测试覆盖新工具的执行与行为验证

app/Services/Tool/Tools/BashTool.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Services\Tool\Tools;
+
+use App\Services\Tool\Tool;
+
+class BashTool implements Tool
+{
+
+    public function name(): string
+    {
+        return 'bash';
+    }
+
+    public function description(): string
+    {
+        return 'Execute bash commands';
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function parameters(): array
+    {
+        return [
+            'type' => 'object',
+            'properties' => [
+                'directory' => [
+                    'type' => 'string',
+                    'description' => 'The directory to list',
+                    'default' => '.',
+                ],
+                'file' => [
+                    'type' => 'string',
+                    'description' => 'The file to read',
+                ],
+                'command' => [
+                    'type' => 'string',
+                    'description' => 'The command to execute',
+                ],
+                'user_confirmation_message' => [
+                    'type' => 'string',
+                    'description' => ' A message describing the purpose of this command, shown to the user for approval before execution ',
+                ]
+            ],
+            'required' => [],
+        ];
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function execute(array $arguments): array|string
+    {
+        return [
+            'output' => shell_exec($arguments['command']),
+        ];
+    }
+}