feat(scratch-gui): 甲子園 Ruby v2 対応（when_connect_game イベント hat + リスト引数 $配列構文）#744

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takaokouji wants to merge 5 commits into

feature/issue-743-koshien-ruby-v2

Commits on Jun 13, 2026

feat(scratch-gui): support Ruby v2 array syntax for koshien list blocks

takaokouji
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claude
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feat(scratch-gui): represent koshien game connection as a v2 event hat

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claude
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Commits on Jun 14, 2026

fix(scratch-gui): allow switching to Ruby v2 with the koshien extension loaded

takaokouji
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claude
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fix(scratch-gui): allow enabling the koshien extension in Ruby v2

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claude
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Commits on Jun 15, 2026

test(scratch-gui): update mobile-drawer test for koshien-in-v2

takaokouji
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claude
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