feat: new copilots (#631)

* feat: copilot list page

* feat: copilot search

* fix: import errors

* feat: copilots

* fix: api origin

* fix: batch of fixes

* feat: record copilot usage

* fix: copilot avatar

* feat: image background

* fix: review suggestions

* fix: copilot nam  overflows when it is too long

* feat: add edit button for local copilot in the detail modal

* feat: click copilot to enter the session settings modal