added graceful fallback if nvml doesnt hit

WatcherAgent/src/hardware/gpu.rs

@@ -61,12 +61,7 @@ pub fn get_gpu_metrics() -> Result<(f64, f64, f64, f64), Box<dyn Error>> {
         return Err(anyhow::anyhow!("Failed to initialize NVML").into());
     };
 
-    Ok((
-        gpu_temp as f64,
-        gpu_load as f64,
-        vram_used as f64,
-        vram_total as f64,
-    ))
+    Ok((gpu_temp, gpu_load, vram_used, vram_total))
 }
 
 fn detect_gpu_name() -> String {

WatcherAgent/src/hardware/mod.rs

@@ -12,6 +12,7 @@ pub use disk::get_disk_info;
 pub use gpu::get_gpu_info;
 pub use memory::get_memory_info;
 pub use network::get_network_info;
+pub use network::NetworkMonitor;
 
 #[derive(Debug)]
 pub struct HardwareInfo {