test

        if (!trimmed.empty()) blocks.push_back(trimmed);

    }

    // json_object_new_string() downstream (webedit_api.cpp publishToConnectionCore)

    // is strlen()-based and silently truncates at the first embedded NUL byte.

    // Log exactly which widget produced one and where, so the root cause in that

    // widget's toLlmsBlock() can be tracked down instead of just papering over

    // the truncation.

    void logEmbeddedNul(const blogi::webedit::EditPlugin *widget, const std::string &text) {

        size_t nulPos = text.find('\0');

        if (nulPos == std::string::npos) return;

        size_t ctxStart = nulPos >= 20 ? nulPos - 20 : 0;

        size_t ctxLen = std::min<size_t>(40, text.size() - ctxStart);

        std::cerr << "[webedit] generateLlmsTxt: embedded NUL byte at offset " << nulPos

                  << " of " << text.size() << " bytes in toLlmsBlock() output from widget '"

                  << widget->getName() << "' (instance " << widget->getInstanceId().c_str()

                  << "); context: \"" << text.substr(ctxStart, ctxLen) << "\"" << std::endl;

    }

    // Walks the live widget tree, asking each widget for its own text via

    // EditPlugin::toLlmsBlock() and always recursing into children — a widget

    // can contribute a block of its own (e.g. Accordion's header) AND still

    // have its children walked (e.g. Accordion's panel content).

    void collectLlmsBlocks(const blogi::webedit::EditPlugin *el, std::vector<std::string> &blocks) {

        for (const blogi::webedit::EditPlugin *cur = el; cur; cur = cur->nextElement()) {

            if (auto block = cur->toLlmsBlock())

            if (auto block = cur->toLlmsBlock()) {

                logEmbeddedNul(cur, *block);

                appendBlock(blocks, *block);

            }

            if (const blogi::webedit::EditPlugin *child = cur->getChildElement())

                collectLlmsBlocks(child, blocks);

        }