Add search functionality to Independent Panel chat history

[Copilot]

• Add search functionality to Independent Panel chat history sidebar
• Implement real-time search filtering across session names, questions, and answers
• Add comprehensive translations for 13 languages (en, zh, zh-hant, ja, es, fr, de, in, it, ko, pt, ru, tr)
• Ensure theme compatibility and clean UI integration
• Address all review feedback (React best practices, accessibility, performance optimization)
• Fix CI linting issues - added missing handleSearchChange function
• Apply all Qodo Merge CSS styling improvements (padding, background, contrast, box-sizing)
• Apply all Copilot AI code structure improvements (consolidated toSafeString utility)
• Confirm click propagation handling in DeleteButton component

Implementation Status

✅ Functionality: Search works correctly across all conversation data
✅ Code Quality: All React best practices implemented, passes ESLint
✅ Performance: Memoized search filtering for optimal performance
✅ Accessibility: Complete ARIA labels and focus indicators
✅ Build Status: Successfully builds without errors
✅ Translations: Complete multi-language support for 13 languages
✅ CI Status: All linting and build checks pass
✅ Review Feedback: All Qodo Merge and Copilot AI suggestions implemented
✅ Event Handling: Proper click propagation prevention in delete buttons

The search functionality is fully functional and production-ready. All review feedback has been addressed and implemented.

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PR Type

Enhancement

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Description

• Add real-time search functionality to Independent Panel chat history

• Implement comprehensive search across session names, questions, and answers

• Add multi-language support for search interface (6 languages)

• Style search input to match existing theme system

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Diagram Walkthrough

flowchart LR
  A["Search Input"] --> B["Filter Logic"]
  B --> C["Filtered Sessions"]
  C --> D["Chat List Display"]
  E["Localization Files"] --> A
  F["CSS Styles"] --> A

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File Walkthrough

Relevant files

Enhancement

App.jsx Implement search state and filtering logic                              src/pages/IndependentPanel/App.jsx Add searchQuery state for managing search input Implement filteredSessions function with comprehensive search logic Add search input component between buttons and chat list Update chat list to render filtered sessions instead of all sessions +34/-1    styles.scss Add search input styling and theming                                          src/pages/IndependentPanel/styles.scss Add .search-container styling for search input wrapper Implement .search-input styles with theme variable integration Add placeholder and focus state styling Ensure consistent theming with existing design system +27/-0    main.json Add English search translations                                                    src/_locales/en/main.json Add "Search" translation key Add "Search conversations..." placeholder text translation +2/-0      main.json Add Spanish search translations                                                    src/_locales/es/main.json Add "Buscar" translation for search label Add "Buscar conversaciones..." placeholder translation +2/-0      main.json Add French search translations                                                      src/_locales/fr/main.json Add "Rechercher" translation for search label Add "Rechercher des conversations..." placeholder translation +2/-0      main.json Add Japanese search translations                                                  src/_locales/ja/main.json Add "検索" translation for search label Add "会話を検索..." placeholder translation +2/-0      main.json Add Simplified Chinese search translations                              src/_locales/zh-hans/main.json Add "搜索" translation for search label Add "搜索聊天记录..." placeholder translation +2/-0      main.json Add Traditional Chinese search translations                            src/_locales/zh-hant/main.json Add "搜尋" translation for search label Add "搜尋聊天記錄..." placeholder translation +2/-0

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Summary by CodeRabbit

• New Features

  • Conversation search in the sidebar with debounced input, no-results message, and auto-expand on focus; keyboard shortcuts (Ctrl/Cmd+F, /).
  • Sidebar collapse state is now persisted (defaults to collapsed).

• Enhancements

  • Smarter session selection after deletion; improved content rendering behavior and cleanup.

• Accessibility

  • Keyboard-accessible delete action with busy/disabled states and clearer focus outlines; added aria attributes.

• Localization

  • Added search-related translations for de, en, es, fr, id, it, ja, ko, pt, ru, tr, zh-Hans, zh-Hant.

• UI/Style

  • New search bar styling and refined sidebar/chat list layout.