* Add nationwide scholarship search skill workflow
* Rename scholarship skill to 장학금 주세요 쮜에발
* Fix scholarship skill validation in CI
* Trigger GitHub PR diff refresh after dev rebase on main
* Fix scholarship helper status handling and test coverage
* Use KST as scholarship helper default date basis
* Rename scholarship skill display name
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Co-authored-by: Jeffrey (Dongkyu) Kim <vkehfdl1@gmail.com>