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/mikioh/tcpinfo/sys_stub.go

@@ -0,0 +1,31 @@
+// Copyright 2016 Mikio Hara. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !darwin,!freebsd,!linux,!netbsd
+
+package tcpinfo
+
+import (
+	"errors"
+
+	"github.com/mikioh/tcpopt"
+)
+
+var options [soMax]option
+
+// Marshal implements the Marshal method of tcpopt.Option interface.
+func (i *Info) Marshal() ([]byte, error) {
+	return nil, errors.New("operation not supported")
+}
+
+// A SysInfo represents platform-specific information.
+type SysInfo struct{}
+
+func parseInfo(b []byte) (tcpopt.Option, error) {
+	return nil, errors.New("operation not supported")
+}
+
+func parseCCAlgorithmInfo(name string, b []byte) (CCAlgorithmInfo, error) {
+	return nil, errors.New("operation not supported")
+}