fixed image version detectionr

WatcherAgent/src/docker/mod.rs

@@ -66,7 +66,7 @@ impl DockerManager {
     /// Gets the current client version (image name) if running in Docker
     pub async fn get_client_version(&self) -> String {
         match self.get_client_container().await {
-            Ok(Some(container)) => container.image,
+            Ok(Some(container)) => container.image.split(':').next().unwrap_or("unknown").to_string(),
             Ok(None) => {
                 println!("Warning: No WatcherAgent container found");
                 "unknown".to_string()