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/conn.go

@@ -0,0 +1,82 @@
+// Copyright 2014 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.
+
+package tcp
+
+import (
+	"net"
+	"syscall"
+
+	"github.com/mikioh/tcpopt"
+)
+
+var _ net.Conn = &Conn{}
+
+// SetOption sets a socket option.
+func (c *Conn) SetOption(o tcpopt.Option) error {
+	if !c.ok() {
+		return syscall.EINVAL
+	}
+	b, err := o.Marshal()
+	if err != nil {
+		return &net.OpError{Op: "raw-control", Net: c.LocalAddr().Network(), Source: nil, Addr: c.LocalAddr(), Err: err}
+	}
+	if err := c.setOption(o.Level(), o.Name(), b); err != nil {
+		return &net.OpError{Op: "raw-control", Net: c.LocalAddr().Network(), Source: nil, Addr: c.LocalAddr(), Err: err}
+	}
+	return nil
+}
+
+// Option returns a socket option.
+func (c *Conn) Option(level, name int, b []byte) (tcpopt.Option, error) {
+	if !c.ok() || len(b) == 0 {
+		return nil, syscall.EINVAL
+	}
+	n, err := c.option(level, name, b)
+	if err != nil {
+		return nil, &net.OpError{Op: "raw-control", Net: c.LocalAddr().Network(), Source: nil, Addr: c.LocalAddr(), Err: err}
+	}
+	o, err := tcpopt.Parse(level, name, b[:n])
+	if err != nil {
+		return nil, &net.OpError{Op: "raw-control", Net: c.LocalAddr().Network(), Source: nil, Addr: c.LocalAddr(), Err: err}
+	}
+	return o, nil
+}
+
+// Buffered returns the number of bytes that can be read from the
+// underlying socket read buffer.
+// It returns -1 when the platform doesn't support this feature.
+func (c *Conn) Buffered() int {
+	if !c.ok() {
+		return -1
+	}
+	return c.buffered()
+}
+
+// Available returns how many bytes are unused in the underlying
+// socket write buffer.
+// It returns -1 when the platform doesn't support this feature.
+func (c *Conn) Available() int {
+	if !c.ok() {
+		return -1
+	}
+	return c.available()
+}
+
+// OriginalDst returns an original destination address, which is an
+// address not modified by intermediate entities such as network
+// address and port translators inside the kernel, on the connection.
+//
+// Only Linux and BSD variants using PF support this feature.
+func (c *Conn) OriginalDst() (net.Addr, error) {
+	if !c.ok() {
+		return nil, syscall.EINVAL
+	}
+	la := c.LocalAddr().(*net.TCPAddr)
+	od, err := c.originalDst(la, c.RemoteAddr().(*net.TCPAddr))
+	if err != nil {
+		return nil, &net.OpError{Op: "raw-control", Net: c.LocalAddr().Network(), Source: nil, Addr: la, Err: err}
+	}
+	return od, nil
+}