Merge pull request 'fix: syntax error in cmd_continue line 372 (issue #189)' (#190) from fix/issue-syntax-error-372 into main

Wrap nohup command in subshell to fix '&& disown' syntax error

skills/kugetsu/scripts/kugetsu-session.sh

@@ -369,7 +369,7 @@ cmd_continue() {
     if [ -n "$worktree_path" ] && [ -d "$worktree_path" ]; then
         (cd "$worktree_path" && nohup sh -c "GITEA_TOKEN='$GITEA_TOKEN' opencode run '$message' --continue --session '$opencode_session_id'" >> "$LOGS_DIR/dev-$opencode_session_id.log" 2>&1 &) && disown
     else
-        nohup sh -c "GITEA_TOKEN='$GITEA_TOKEN' opencode run '$message' --continue --session '$opencode_session_id'" >> "$LOGS_DIR/dev-$opencode_session_id.log" 2>&1 & && disown
+        (nohup sh -c "GITEA_TOKEN='$GITEA_TOKEN' opencode run '$message' --continue --session '$opencode_session_id'" >> "$LOGS_DIR/dev-$opencode_session_id.log" 2>&1 &) && disown
     fi
 }