[#532] Apply Rector follow-up

[armanist]

Summary by CodeRabbit

• Bug Fixes
  • Improved internal list normalization to make string handling more explicit and consistent.
  • Removed an unused configuration rule, with no change to app behavior.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: ea33c38b-e744-4f04-8eef-1b1a866dbfbf

📥 Commits

Reviewing files that changed from the base of the PR and between cd740e9 and 41eaa54.

📒 Files selected for processing (2)

• rector.php
• src/Validation/Traits/Lists.php

💤 Files with no reviewable changes (1)

• rector.php

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📝 Walkthrough

Walkthrough

This PR removes the StrictStringParamConcatRector rule and its scoped configuration from rector.php, and adds explicit : string return type declarations to array_map callbacks in containsList() and doesntContainsList() within the Lists trait.

Changes

Config and validation trait tweaks

Layer / File(s)	Summary
Remove Rector rule configuration rector.php	Removed the StrictStringParamConcatRector import and its scoped rule entry targeting Criteria.php.
Explicit return types in Lists trait src/Validation/Traits/Lists.php	Added explicit : string return type declarations to array_map callbacks in containsList() and doesntContainsList().

Estimated code review effort: 1 (Trivial) | ~3 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the changes, which are a small Rector follow-up affecting rector.php and a Rector-triggered typing adjustment.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.

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