Fix nginx detection when running as root - skip sudo

agent/src/collectors/service.rs

@@ -572,6 +572,11 @@ impl ServiceCollector {
         }
     }
 
+    fn is_running_as_root(&self) -> bool {
+        std::env::var("USER").unwrap_or_default() == "root" || 
+        std::env::var("UID").unwrap_or_default() == "0"
+    }
+
     async fn get_nginx_sites(&self) -> Option<Vec<String>> {
         
         // Get the actual nginx config file path from systemd (NixOS uses custom config)
@@ -579,8 +584,16 @@ impl ServiceCollector {
             Some(path) => path,
             None => {
                 // Fallback to default nginx -T
-                match Command::new("sudo")
+                let mut cmd = if self.is_running_as_root() {
-                    .args(["nginx", "-T"])
+                    Command::new("nginx")
+                } else {
+                    let mut cmd = Command::new("sudo");
+                    cmd.arg("nginx");
+                    cmd
+                };
+                
+                match cmd
+                    .args(["-T"])
                     .stdout(Stdio::piped())
                     .stderr(Stdio::piped())
                     .output()
@@ -601,8 +614,16 @@ impl ServiceCollector {
         };
         
         // Use the specific config file
-        let output = match Command::new("sudo")
+        let mut cmd = if self.is_running_as_root() {
-            .args(["nginx", "-T", "-c", &config_path])
+            Command::new("nginx")
+        } else {
+            let mut cmd = Command::new("sudo");
+            cmd.arg("nginx");
+            cmd
+        };
+        
+        let output = match cmd
+            .args(["-T", "-c", &config_path])
             .stdout(Stdio::piped())
             .stderr(Stdio::piped())
             .output()