Reject tilde in workspace path - won't expand remotely

Signed-off-by: Meng Xin <mxin@nvidia.com>

Author: mxinO

.claude/skills/common/remote_exec.sh

@@ -223,10 +223,13 @@ remote_load_cluster() {
     REMOTE_SLURM_ACCOUNT="$(_parse_yaml_value "$config_file" "clusters.${cluster_name}.slurm.default_account")"
     REMOTE_SLURM_PARTITION="$(_parse_yaml_value "$config_file" "clusters.${cluster_name}.slurm.default_partition")"
 
-    # Expand ~ in ssh_key
+    # Expand ~ in paths
     if [[ "${REMOTE_SSH_KEY:-}" == "~/"* ]]; then
         REMOTE_SSH_KEY="${HOME}/${REMOTE_SSH_KEY#\~/}"
     fi
+    if [[ "${REMOTE_WORKSPACE:-}" == "~/"* ]]; then
+        REMOTE_WORKSPACE="${HOME}/${REMOTE_WORKSPACE#\~/}"
+    fi
 
     # Validate required fields
     if [[ -z "$REMOTE_HOST" ]]; then