feat(proxmox): add Proxmox CLI auto-detection and interactive action setup improvements

ts/actions/base-action.ts

@@ -116,6 +116,8 @@ export interface IActionConfig {
   proxmoxForceStop?: boolean;
   /** Skip TLS verification for self-signed certificates (default: true) */
   proxmoxInsecure?: boolean;
+  /** Proxmox operation mode: 'auto' detects CLI tools, 'cli' forces CLI, 'api' forces REST API (default: 'auto') */
+  proxmoxMode?: 'auto' | 'api' | 'cli';
 }
 
 /**