Function validate_unique_batch_ids

app/workflow/workflow.cpp:230–243

}

bool is_text_batch_path(const std::filesystem::path & path) {
    const auto ext = lowercase_extension(path);
    return ext == ".txt" || ext == ".md" || ext == ".json";
}

void validate_unique_batch_ids(
    const std::vector<std::unordered_map<std::string, std::string>> & items,
    const std::string & step_id) {
    std::unordered_set<std::string> ids;
    for (const auto & item : items) {
        const auto it = item.find("id");
        if (it == item.end()) {
            throw std::runtime_error("workflow batch item missing id: " + step_id);
        }
        if (!ids.insert(it->second).second) {
            throw std::runtime_error("workflow batch item id collision in " + step_id + ": " + it->second);
        }