tree f86ee68725cba394d1df667723a9a3dad49c35a7
parent 6fe809c2282f5d7e258ab60f4ff4d0b3e0739332
author banksean <banksean@gmail.com> 1753748893 -0700
committer Autoformatter <bot@sketch.dev> 1753901632 +0000

sketch: add support for 'external' message types

- adds a new CodingAgentMessageType for loop.AgentMessage
- adds an new /external handler to loophttp.go
- modifies Agent to pass the .TextContent of ExternalMessage into the convo
  as though it came from the user.
- adds sketch-external-message web component, with a template for
  github workflow run events specifically.
- adds demos for sketch-external-message