[TomasVotruba]

Previously the rule flagged only methods whose every return was a literal string-keyed array of 2-3 items. Positional arrays were skipped.

Now it also flags methods whose every return is an all-positional literal array of 2-3 items, suggesting a tuple shape:

public function run(): array
{
    return [$parent, $children];
}

should declare:

/**
 * @return array{0: Parent, 1: Child[]}
 */

Key style must be consistent: all string keys or all positional. Mixed keys, explicit/computed keys and spreads are skipped, as no single clean shape fits. The existing invariant stays - if any return is not a packed literal array (a variable, a call, a plain value), the method is left alone.

• added ReportPositionalArrayReturn fixture (now reported)
• added SkipMixedKeyArrayReturn fixture (mixed keys stay skipped)