Function open_store

tests/test_incremental.c:168–170

/* ── Direct store queries (more reliable than MCP for tests) ────── */

static cbm_store_t *open_store(void) {
    return cbm_store_open_path_existing(g_dbpath);
}

static int get_node_count(void) {
    cbm_store_t *s = open_store();