composer.json requires seven unused extensions and is missing ext-mbstring

[HafizMMoaz]

composer.json requires ext-curl, ext-fileinfo, ext-gd, ext-intl, ext-mysqli, ext-openssl, ext-sodium and ext-zip. Grepping src/ for functions from those extensions returns nothing: the only extension functions this library calls are mb_strlen() (src/CLI.php:185, src/Commands/Index.php:116) and PCRE.

So the manifest is wrong in both directions:

• ext-mbstring is used but not declared. On a build without mbstring, CLI::strlen() and the index listing fatal at runtime and Composer gives no warning at install time.
• Seven extensions are declared but unused, which forces anyone installing this standalone CLI helper to have gd, mysqli, curl, sodium and zip present. That is a real barrier for a library whose selling point is being small.

If any of them is needed transitively, it belongs in the package that actually uses it (webisters/language for ext-intl, for instance), not here.

Expected require block:

"require": {
    "php": ">=8.2",
    "ext-mbstring": "*",
    "webisters/language": "*"
}

Worth checking pcntl too: onSignal() guards with function_exists(), so it is correctly optional, but it could be listed under suggest.