fix: move msg file inside worktree to avoid external_directory permission error

skills/kugetsu/scripts/kugetsu-config.sh

@@ -64,26 +64,3 @@ load_agent_env() {
         set +a
     fi
 }
-
-set_debug_mode() {
-    local filtered_args=()
-    local debug_mode=false
-    
-    for arg in "$@"; do
-        case "$arg" in
-            --debug)
-                debug_mode=true
-                ;;
-            *)
-                filtered_args+=("$arg")
-                ;;
-        esac
-    done
-    
-    if [ "$debug_mode" = true ]; then
-        export KUGETSU_VERBOSITY="debug"
-        echo "[DEBUG] Debug mode enabled" >&2
-    fi
-    
-    echo "${filtered_args[@]}"
-}

skills/kugetsu/scripts/kugetsu-session.sh

@@ -382,6 +382,7 @@ cmd_start() {
     local msg_file="$worktree_path/.kugetsu-msg.txt"
     printf '%s' "$dev_message" > "$msg_file"
     nohup sh -c "GITEA_TOKEN='${GITEA_TOKEN:-}' opencode run '@$msg_file' --session '$new_session_id'" >> "$LOGS_DIR/dev-$sanitized_id.log" 2>&1 &
+    rm -f "$msg_file"
     
     echo "Session started for '$issue_ref': $new_session_id"
     echo "Worktree: $worktree_path"
@@ -448,6 +449,7 @@ cmd_continue() {
     local msg_file="$worktree_path/.kugetsu-msg.txt"
     printf '%s' "$message" > "$msg_file"
     nohup sh -c "GITEA_TOKEN='${GITEA_TOKEN:-}' opencode run '@$msg_file' --session '$opencode_session_id'" >> "$LOGS_DIR/dev-$sanitized_id.log" 2>&1 &
+    rm -f "$msg_file"
 }
 
 cmd_list() {