Function has_function

tests/test_incremental.c:186–193

}

static int has_function(const char *name_pattern) {
    char *resp = call_tool("search_graph",
                           "{\"project\":\"%s\",\"label\":\"Function\",\"name_pattern\":\"%s\"}",
                           g_project, name_pattern);
    int total = count_in_response(resp, "total");
    free(resp);
    return total > 0;
}

static int count_by_label(const char *label) {
    char *resp =