wbm_client_side_ai_extension

Google Summer of Code (GSoC) 2026 Wayback Machine Client-Side AI Extension project

Branch Structure

main
  └── sudipta/extension-setup
       └── feature/right-click-menu          ← Parent branch, base for all features
            ├── feature/streaming-response    ← Adds streaming AI response
            │
            └── feature/resizable-minimize-overlay   ← Refactored UI + resizable/minimize
                 └── feature/faqs-famous-persons     ← FAQs + famous people insights
                       └── feature/translate-faqs-insights    ← Translation for all outputs
                             └── feature/accordion-tab-view    ← Accordion + tab UI
                                   └── feature/loading-ui-refinements   ← Spinner/loading polish
                                         └── feature/ai-session-enhancements  ← System prompts + responseConstraint
                                                └── feature/screenshot-quality-enhancements  ← Screenshot + quality responseConstraint + v1 caching
                                                └── feature/caching-report  ← (current) Caching architecture report

• main — Initial project setup
• sudipta/extension-setup — Development environment setup
• feature/right-click-menu — Context menu integration with network timing and quality analysis
• feature/streaming-response — Real-time streaming of AI responses via Gemini Nano
• feature/resizable-minimize-overlay — Shadow DOM isolation, resizable/minimizable popup, refactored into modular UI files
• feature/faqs-famous-persons — Structured insights (FAQs + famous people) alongside streamed summaries
• feature/translate-faqs-insights — Translator API for FAQs, famous people, and summary text
• feature/accordion-tab-view — Accordion containers, tab switching, and unified loading states
• feature/loading-ui-refinements — Changed the UI to match the wayback machine colour
• feature/ai-session-enhancements — System prompts and responseConstraint for AI sessions
• feature/screenshot-quality-enhancements — Viewport screenshot + multimodal AI for quality analysis, quality responseConstraint schema, instant overlay, clone per session to prevent context leaking, v1 caching for summarize with StorageCleaner
• feature/caching-report — Comprehensive caching implementation report at docs/CACHING.md

Installation (Development)

1. Clone the repository

git clone https://github.com/internetarchive/wbm_client_side_ai_extension.git
cd wbm_client_side_ai_extension

2. Open Chrome and go to chrome://extensions

3. Enable Developer mode in the top right

4. Click Load unpacked and select the project folder

5. Visit any archived page on web.archive.org

6. Right-click anywhere on the page to open the context menu.

Demo

Feature Documentation

Detailed technical docs describing the end-to-end flow of each feature (entry points, message routing, AI sessions, caching, and edge cases):

• Summarize — on-device page summarization, structured insights, and translation
• Quality — page quality verdict combining load timings, HTTP status, and screenshot analysis
• Comparison — snapshot diffing, AI change summaries, and the archive-aware chat

Developer Documentation

• Architecture — MV3 runtime contexts, communication model, overlay pattern, directory layout
• Message Protocol — full reference of every runtime message between contexts
• AI Sessions — how the on-device Gemini Nano sessions, streaming, and translation APIs are used

GSoC Documentation

Weekly progress, meeting notes and development logs are maintained at: Notion Doc

Blog posts documenting the journey: Hashnode Blog