Relay — Floating Notes (Chrome extension)
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WHAT THIS IS
A Manifest V3 Chrome extension that adds a floating notes panel to any
webpage, so you can search, copy and paste your snippets without leaving
the tab you're on. It shares its data model with the Relay dashboard but
keeps its own local copy in chrome.storage.local, so it works fully
offline; use "Dashboard" in the popup to open the web app.

INSTALL LOCALLY (Developer mode)
1. Create a folder named "relay-extension" on your computer.
2. Download every file listed on the Extension page into that folder,
   keeping the exact filenames (manifest.json, background.js, content.js,
   popup.html, popup.css, popup.js).
3. Open chrome://extensions in Chrome.
4. Turn on "Developer mode" (top right).
5. Click "Load unpacked" and select the relay-extension folder.
6. Pin the Relay icon to your toolbar (puzzle-piece icon → pin).

USING IT
- Open any normal website. A small "📝" tab appears at the screen edge —
  click it to expand the panel, search, and Copy or Paste any note.
- Click a text field first, then Paste from the panel to insert a note at
  the cursor. If a site blocks programmatic insertion, the text is copied
  to your clipboard instead and a message tells you to press Ctrl+V.
- Select text on a page, right-click, and choose "Save to Relay Notes" to
  turn it into a new note instantly.
- The toolbar icon opens a compact popup for quick copy/paste without
  opening the panel at all.

PERMISSIONS, AND WHY
- storage        keep your notes and panel position on your machine.
- contextMenus   the right-click "Save to Relay Notes" action.
- activeTab, scripting   insert text into the page you're on when you
  click Paste, and recover gracefully on tabs the content script missed.
- host_permissions (all sites)   the floating panel and paste both need to
  reach the page's own DOM, on whichever site you're using.

WHAT IT WILL NOT DO
Chrome itself blocks extensions from running on chrome:// pages, the
Chrome Web Store, and most PDF viewers — that is a browser security
boundary, not a bug here, and Relay does not try to fake it.