WIP: Save agent roles integration work before CHORUS rebrand

- Agent roles and coordination features
- Chat API integration testing
- New configuration and workspace management

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

vendor/github.com/marten-seemann/tcp/appveyor.yml

@@ -0,0 +1,19 @@
+version: "{build}"
+
+branches:
+  only:
+    - master
+
+environment:
+  GOPATH: c:\gopath
+
+install:
+  - set PATH=%GOPATH%\bin;c:\go\bin;%PATH%
+  - mkdir c:\gopath
+  - go get github.com/mikioh/tcp
+  - go get github.com/mikioh/tcpopt
+  - go get github.com/mikioh/tcpinfo
+  - go get golang.org/x/net/nettest
+
+build_script:
+  - go test -v -race