[Feature] Rebuild the Research page and set it as the homepage

[CJBshuosi]

Summary

Rebuild the Research page and set it as the homepage

Area

Backend API

Problem Statement

1.当前Research页面臃肿繁琐，需要进行重新设计

Proposed Solution

Research Page Redesign (Phase 1-4 Complete)

New Components Created:

• SearchBox.tsx - Claude-style search input with track selector
• TrackSelector.tsx - Dropdown for track selection
• TrackPills.tsx - Quick access track buttons
• PaperCard.tsx - Paper result cards with Save/Like/Dislike feedback
• SearchResults.tsx - Results container with loading skeletons
• CreateTrackModal.tsx - Modal for creating new tracks
• EditTrackModal.tsx - Modal for editing existing tracks
• ManageTracksModal.tsx - Track management (Edit, Clear Memory)
• ResearchPageNew.tsx - Main page with centered layout and animations
• skeleton.tsx - UI skeleton component for loading states

Features Implemented:

• Centered search box that moves to top after search
• Time-based greeting ("Good morning/afternoon/evening")
• Track management (create, edit, activate, clear memory)
• Paper feedback with visual states (Saved, Liked, Hidden)
• Staggered fade-in animations for results
• Loading skeletons during search
• Responsive design (mobile-first breakpoints)

Backend API Additions

• PATCH /api/research/tracks/{id} - Update track endpoint
• update_track() method in SqlAlchemyResearchStore

Navigation Changes

• Homepage (/) - Now displays Research page
• Dashboard (/dashboard) - Original dashboard moved here
• Sidebar - Research moved to first position, Dashboard second

Task Checklist

No response

Test Plan

No response

Related Links

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