feat(journey-customer-ui): 旅程列表與唯讀旅程頁、最近 Enrollment 瀏覽、客戶搜尋→客戶頁→圖形軌跡（直線） - #98

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-java@v4, actions/setup-node@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

setup-java v4 is deprecated and will no longer receive updates. Please migrate to actions/setup-java@v5.