feat: add user management features including user creation, editing, and password reset dialogs

- Implemented CreateUserDrawer for adding new users with validation.
- Added EditDrawer for editing existing user details.
- Created InitialPasswordDialog to display generated passwords after user creation.
- Developed ResetPasswordDialogs for resetting user passwords with copy functionality.
- Enhanced user listing page with filtering, pagination, and role assignment capabilities.
- Updated company picker import path to reflect new directory structure.

web/app/(dashboard)/settings/page.tsx

@@ -0,0 +1,16 @@
+import { DashboardPlaceholder } from "@/components/dashboard-placeholder"
+
+export default function DashboardSettingsPage() {
+  return (
+    <DashboardPlaceholder
+      eyebrow="Settings"
+      title="系统设置骨架"
+      description="系统设置页将管理认证参数、上传配置、基础信息与运行策略。"
+      nextSteps={[
+        "补充系统配置读取与保存接口。",
+        "按安全、存储、登录策略拆分设置区块。",
+        "增加敏感配置的脱敏显示和二次确认。",
+      ]}
+    />
+  )
+}