Function run_daemon

server/src/common/daemon_loop.cpp:203–450

    snap_slot = -1;
    size_t p = line.find(" snap=");
    if (p != std::string::npos) {
        int L = -1, S = -1;
        if (std::sscanf(line.c_str() + p + 6, "%d:%d", &L, &S) == 2 &&
            L > 0 && S >= 0 && S < ModelBackend::kMaxSlots) {
            snap_pos  = L;
            snap_slot = S;
        }
    }
}

// ── Main loop ───────────────────────────────────────────────────────────

int run_daemon(ModelBackend & backend, const DaemonLoopArgs & args) {

    DaemonIO io;
    io.stream_fd = args.stream_fd;

    backend.print_ready_banner();
    std::fflush(stdout);

    std::string line;
    while (std::getline(std::cin, line)) {
        if (line == "quit" || line == "exit") break;

        // ── Lifecycle commands (no sampler tail) ─────────────────────

        if (starts_with(line, "park")) {
            std::string what;
            if (line.size() > 5) what = line.substr(5);
            const auto target = parse_park_target(what);
            if (!target) {
                std::fprintf(stderr, "[daemon] invalid park target: %s\n",
                             what.c_str());
            } else {
                backend.park(*target);
            }
            io.emit(-1);
            continue;
        }
        if (starts_with(line, "unpark")) {
            std::string what;
            if (line.size() > 7) what = line.substr(7);
            const auto target = parse_park_target(what);
            if (!target) {
                std::fprintf(stderr, "[daemon] invalid unpark target: %s\n",
                             what.c_str());
            } else {
                backend.unpark(*target);
            }
            io.emit(-1);
            continue;
        }
        if (line == "free drafter" || line == "drafter free") {
            backend.free_drafter();
            io.emit(-1);
            continue;
        }
        if (starts_with(line, "compress ")) {