Document access control for Special:ImportFromPid and recommend fix

[Copilot]

Special:ImportFromPid is gated on the MediaWiki import right, which is only granted to sysop by default — making the page admin-only.

Root cause

In wikimedia/mediawiki-extensions-MathSearch (includes/Specials/SpecialImport.php):

parent::__construct( 'ImportFromPid', 'import' );

Recommended fix

Introduce a dedicated mardimport right rather than reusing the broad import right.

SpecialImport.php

parent::__construct( 'ImportFromPid', 'mardimport' );

extension.json

"AvailableRights": ["mathwmcsubmit", "mardimport"],
"GroupPermissions": {
    "sysop": { "mathwmcsubmit": true },
    "user":  { "mardimport": true }
}

Changes need to land in wikimedia/mediawiki-extensions-MathSearch and be picked up by the portal deployment. Full details in docs/import-special-page-access.md.