0.169.0

• The finished progress of a turn that failed (provider or network error, context overflow…) carries an error with its message and type, so clients can tell it from a successful turn (e.g. a headless run's exit code).
• A chat renamed with chat/update while its title is being generated keeps the new title.
• Official support for eca-cli as an official client.
• Docs: Fix landing page hero clipping the editor tabs and demo on tablet and small laptop widths.
• Docs: Add logo wall and improvements in home page. #676