fix: correct networking field access in one_shot.rs

Fix compilation errors by using config.networking instead of config.cvm.networking.
The CvmConfig struct does not have a networking field - it belongs to the main Config struct.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: Leechael

vmm/src/one_shot.rs

@@ -52,7 +52,7 @@ pub async fn run_one_shot(
         existing_cids
     );
 
-    println!("# One-shot VM execution mode"); // Force CI rebuild
+    println!("# One-shot VM execution mode");
     println!("# Configuration: {}", vm_config_path);
 
     // Read and parse the VM configuration file
@@ -282,7 +282,7 @@ Compose file content (first 200 chars):
         manifest: manifest.clone(),
         image,
         cid: one_shot_cid, // Avoid conflict with existing VMs
-        networking: config.networking,
+        networking: config.networking.clone(),
         workdir: workdir_path.clone(),
         gateway_enabled: app_compose.gateway_enabled(),
     };