Function response_contains_json_fragment

tests/test_mcp.c:88–106

}

static bool response_contains_json_fragment(const char *response, const char *fragment) {
    if (!response || !fragment) {
        return false;
    }
    if (strstr(response, fragment)) {
        return true;
    }

    char escaped[512];
    size_t out = 0;
    for (size_t i = 0; fragment[i] && out + 2 < sizeof(escaped); i++) {
        if (fragment[i] == '"') {
            escaped[out++] = '\\';
        }
        escaped[out++] = fragment[i];
    }
    escaped[out] = '\0';
    return strstr(response, escaped) != NULL;
}

static void restore_cache_dir(const char *saved_copy) {
    if (saved_copy) {