Fix Docker container detection with sudo permissions

Update systemd collector to use sudo for docker ps command to resolve
permission issues when cm-agent user lacks docker group membership.
This ensures Docker containers are properly discovered and displayed
as sub-services under the docker service.

Version: 0.1.160

agent/src/collectors/systemd.rs

@@ -756,9 +756,9 @@ impl SystemdCollector {
     fn get_docker_containers(&self) -> Vec<(String, String)> {
         let mut containers = Vec::new();
 
-        // Check if docker is available
-        let output = Command::new("docker")
-            .args(&["ps", "--format", "{{.Names}},{{.Status}}"])
+        // Check if docker is available (use sudo for permissions)
+        let output = Command::new("sudo")
+            .args(&["docker", "ps", "--format", "{{.Names}},{{.Status}}"])
             .output();
 
         let output = match output {