martymcenroe/Clio — reverse-engineered prompt

Build me a privacy focused Chrome extension called Clio that lets someone save a full AI chat from Gemini, Claude, or ChatGPT.

The user should open one of those chat pages, click the extension icon, press an Extract Conversation button, and get a downloaded zip file. The zip should include a conversation.json file with metadata, all user and assistant messages in the right order, code blocks with language labels, any thinking or reasoning text if it appears on the page, and an images folder for screenshots or generated images.

Keep everything local in the browser. Don’t send any conversation data anywhere and don’t add telemetry. If an image fails to save, the extension should still finish the export and record the error in the JSON.

Please make it work for long conversations too, not just short ones. Include a simple popup UI, clear success or error messages, and tests for the extraction logic. Look up current Chrome extension Manifest V3 docs if you need to.