feat: add argument parsing and module resolution for assistant app

- Implemented argument parsing in args.ts to handle root, home, and help options.
- Added parseHomeArg and parseHelpArg functions for command line argument handling.
- Created ModuleResolver class in assistant-app-resolve.ts to resolve module paths, including scoped packages and relative paths.
- Introduced caching mechanism for package.json reads to improve performance.
- Added utility functions for checking file existence and clearing the cache.

assistant/src/command/asst-server/reload.ts

@@ -0,0 +1,17 @@
+import { program, Command } from '@/program.ts';
+import { spawnSync } from 'node:child_process';
+
+const reload = new Command('reload')
+  .description('重载正在运行的 Assistant Server 服务')
+  .action(() => {
+    console.log('正在重载 Assistant Server 服务...');
+    const cwd = 'pm2 restart assistant-server';
+    const child = spawnSync('pm2', ['restart', 'assistant-server'], {
+      stdio: 'inherit',
+      shell: true,
+      cwd: cwd,
+    });
+    console.log('Assistant Server 服务重载完成。');
+  });
+
+program.addCommand(reload);