refactor: Start page components

[yomybaby]

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[yomybaby]

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This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
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• refactor: Start page components #2885 👈 (View in Graphite)
• [FR-48] feat: WebUI NEO start page basic layout #2786
• chore: use pnpm patch in /react instead of patch-package #2661
• e2e: fix broken tests due to NEO mainlayout, Agent select and Image parsing #2851
• feat: NEO sider's toggle button and refactoring #2853
• feat: Main Layout NEO sider #2850
• feat: Global breadcrumb #2847
• feat: WebUILink and WebUINavigate component #2846 : 1 other dependent PR (#2858 )
• feat: Main layout NEO header #2844
• main

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