refactor: complete rewrite for high performance hierarchical monitoring

src-tauri/src/main.rs

@@ -5,11 +5,9 @@
 
 mod models;
 mod monitor;
-mod commands; // We'll keep this but gut it
 mod cli;
 
-use tauri::{State, Manager};
-use std::sync::Mutex;
+use tauri::State;
 use crate::monitor::Monitor;
 use crate::models::GlobalStats;