Function cbm_http_server_new

src/ui/http_server.c:1766–1804

/* ── Public API ───────────────────────────────────────────────── */

cbm_http_server_t *cbm_http_server_new(int port) {
    cbm_http_server_t *srv = calloc(1, sizeof(*srv));
    if (!srv)
        return NULL;

    srv->port = port;
    atomic_store(&srv->stop_flag, 0);

    /* Create a dedicated MCP server for HTTP (own SQLite connection) */
    srv->mcp = cbm_mcp_server_new(NULL);
    if (!srv->mcp) {
        cbm_log_error("ui.http.mcp_fail", "reason", "cannot create MCP instance");
        free(srv);
        return NULL;
    }

    /* Bind to localhost only (httpd refuses anything else by construction) */
    srv->listener = cbm_httpd_listen(port);
    if (!srv->listener) {
        char port_str[16];
        snprintf(port_str, sizeof(port_str), "%d", port);
        cbm_log_warn("ui.unavailable", "port", port_str, "reason", "in_use", "hint",
                     "use --port=N to override");
        cbm_mcp_server_free(srv->mcp);
        free(srv);
        return NULL;
    }

    srv->port = cbm_httpd_port(srv->listener);
    srv->listener_ok = true;

    char port_str[16];
    snprintf(port_str, sizeof(port_str), "%d", srv->port);
    char url[64];
    snprintf(url, sizeof(url), "http://127.0.0.1:%d", srv->port);
    cbm_log_info("ui.serving", "url", url, "port", port_str);

    return srv;
}

void cbm_http_server_free(cbm_http_server_t *srv) {
    if (!srv)