Refactor configuration and update handling:

- Modify .luarc.json to include global Lua scripts.
- Update Makefile to include LDFLAGS for versioning.
- Enhance node.go to implement version checking and update handling.
- Refactor Lua global variables in _globals.lua and echo.lua to use new structures.
- Remove deprecated http.lua and update config.yaml for TLS and update settings.
- Introduce new update.go for version management and update checking.
- Add tests for version comparison in update_test.go.
- Improve error handling in various server methods.

core/sv1/handle_list.go

@@ -104,5 +104,8 @@ func (h *HandlerV1) _handleList() {
 	log.Info("Session completed")
 
 	h.w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(h.w).Encode(commands)
+	if err := json.NewEncoder(h.w).Encode(commands); err != nil {
+		h.log.Error("Failed to write JSON error response",
+			slog.String("error", err.Error()))
+	}
 }