Copane 0.2.0 (preview)

Agents use far fewer tokens for the same work, and reach more of a page.

• Leaner snapshots. Element refs only on what an agent can act on, link targets left out unless
  asked for (urls: true), table rows on one line. browser_snapshot gains mode: "text" (read a
  page as text), find (only matching elements), and offset (continue a cut snapshot).
• Action results say what changed on the page, so a new snapshot is rarely needed after a click.
• Tool definitions are about 40% smaller.
• Iframes from other sites are read and used like any other element.
• Login prompts for sites and proxies that ask for a user name and password (Basic, Digest,
  NTLM); the agent never sees what you type. Optional saving in VS Code's secret storage.
• Downloads: files an agent downloads are saved and their path reported (browser_downloads).
• Device emulation (browser_emulate) and request mocking (browser_route).
• Certificate errors ask once per host, with a trusted-hosts setting.
• The session indicator in a page can be dragged to any corner.
• Agent Tabs view in the bottom panel; Check and Repair Setup, Turn On and Turn Off
  commands; registration can no longer lose its entry during an update.

Changed for agents:

• Removed browser_select_option: use browser_fill_form with { ref, value }.
• Removed browser_network_request: use browser_network_requests with id.
• browser_open waits for the page to load and reports its title and status.
• The snapshot format changed as described above.

Fixed:

• A navigation no longer reports console errors of the page being left.
• Clicks no longer fail as "covered" when the bottom panel shrinks the browser area.

Install or update: download copane-0.2.0.vsix below, then in VS Code: Extensions view → … → Install from VSIX…. First install: run Copane: Enable Integrated Browser (restart VS Code) and Copane: Turn On.

Developed and tested on macOS. Windows and WSL have had little real-world testing; company proxies and NTLM logins against real servers are untested.