fix: systemd service and terminal logging cleanup

Key fixes:
- Systemd service now runs as root (was openagent user)
- Removed ProtectHome=true which blocked /root access
- Working directory set to /root
- Simplified terminal command logging

src/tools/terminal.rs

@@ -67,7 +67,6 @@ impl Tool for RunCommand {
         let timeout_secs = args["timeout_secs"].as_u64().unwrap_or(60);
 
         tracing::info!("Executing command in {:?}: {}", cwd, command);
-        tracing::debug!("CWD exists: {}, is_dir: {}", cwd.exists(), cwd.is_dir());
 
         // Determine shell based on OS
         let (shell, shell_arg) = if cfg!(target_os = "windows") {
@@ -102,14 +101,8 @@ impl Tool for RunCommand {
         let stderr = String::from_utf8_lossy(&output.stderr);
         let exit_code = output.status.code().unwrap_or(-1);
         
-        tracing::info!("Command completed: exit={}, stdout_len={}, stderr_len={}", 
+        tracing::debug!("Command completed: exit={}, stdout_len={}, stderr_len={}", 
             exit_code, stdout.len(), stderr.len());
-        if !stdout.is_empty() && stdout.len() < 1000 {
-            tracing::info!("Command stdout: {}", stdout.trim());
-        }
-        if !stderr.is_empty() {
-            tracing::warn!("Command stderr: {}", &stderr[..stderr.len().min(500)]);
-        }
 
         let mut result = String::new();