static bool test_kvconfig_basic_parse(void) {
        KvConfig cfg = KvConfigInit();
        Str      src = StrInitFromZstr(
            "host = localhost\n"

    
    static bool test_kvconfig_comments_quotes_and_duplicates(void) {
        KvConfig cfg = KvConfigInit();
        Str      src = StrInitFromZstr(
            "# comment line\n"

    
    static bool test_kvconfig_get_returns_copy(void) {
        KvConfig cfg         = KvConfigInit();
        Str      src         = StrInitFromZstr("host = localhost\n");
        StrIter  input       = StrIterFromStr(src);

    
    static bool test_kvconfig_numeric_and_bool_accessors(void) {
        KvConfig cfg = KvConfigInit();
        Str      src = StrInitFromZstr(
            "workers = 16\n"

    
    static bool test_kvconfig_invalid_line_fails(void) {
        KvConfig cfg = KvConfigInit();
        Str      src = StrInitFromZstr(
            "valid = yes\n"