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/tcpopt/sys_windows.go

@@ -0,0 +1,144 @@
+// 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.
+
+package tcpopt
+
+import (
+	"errors"
+	"time"
+	"unsafe"
+)
+
+const (
+	sysSOL_SOCKET = 0xffff
+
+	sysSO_SNDBUF    = 0x1001
+	sysSO_RCVBUF    = 0x1002
+	sysSO_KEEPALIVE = 0x8
+
+	sysTCP_NODELAY = 0x1
+
+	sysIOC_OUT    = 0x40000000
+	sysIOC_IN     = 0x80000000
+	sysIOC_VENDOR = 0x18000000
+)
+
+var sysSIO_KEEPALIVE_VALS uint = sysIOC_IN | sysIOC_VENDOR | 4
+
+var options = [soMax]option{
+	soNodelay:   {ianaProtocolTCP, sysTCP_NODELAY, 0},
+	soSndbuf:    {sysSOL_SOCKET, sysSO_SNDBUF, 0},
+	soRcvbuf:    {sysSOL_SOCKET, sysSO_RCVBUF, 0},
+	soKeepalive: {sysSOL_SOCKET, sysSO_KEEPALIVE, 0},
+	soKeepidle:  {ianaProtocolTCP, int(sysSIO_KEEPALIVE_VALS), time.Millisecond},
+	soKeepintvl: {ianaProtocolTCP, int(sysSIO_KEEPALIVE_VALS), time.Millisecond},
+}
+
+var parsers = map[int64]func([]byte) (Option, error){
+	ianaProtocolTCP<<32 | sysTCP_NODELAY:               parseNoDelay,
+	sysSOL_SOCKET<<32 | sysSO_SNDBUF:                   parseSendBuffer,
+	sysSOL_SOCKET<<32 | sysSO_RCVBUF:                   parseReceiveBuffer,
+	sysSOL_SOCKET<<32 | sysSO_KEEPALIVE:                parseKeepAlive,
+	ianaProtocolTCP<<32 | int64(sysSIO_KEEPALIVE_VALS): parseKeepAliveValues,
+}
+
+// Marshal implements the Marshal method of Option interface.
+func (nd NoDelay) Marshal() ([]byte, error) {
+	v := boolint32(bool(nd))
+	return (*[4]byte)(unsafe.Pointer(&v))[:], nil
+}
+
+// Marshal implements the Marshal method of Option interface.
+func (mss MSS) Marshal() ([]byte, error) {
+	return nil, errors.New("operation not supported")
+}
+
+// Marshal implements the Marshal method of Option interface.
+func (sb SendBuffer) Marshal() ([]byte, error) {
+	v := int32(sb)
+	return (*[4]byte)(unsafe.Pointer(&v))[:], nil
+}
+
+// Marshal implements the Marshal method of Option interface.
+func (rb ReceiveBuffer) Marshal() ([]byte, error) {
+	v := int32(rb)
+	return (*[4]byte)(unsafe.Pointer(&v))[:], nil
+}
+
+// Marshal implements the Marshal method of Option interface.
+func (ka KeepAlive) Marshal() ([]byte, error) {
+	v := boolint32(bool(ka))
+	return (*[4]byte)(unsafe.Pointer(&v))[:], nil
+}
+
+// Marshal implements the Marshal method of Option interface.
+func (ka KeepAliveIdleInterval) Marshal() ([]byte, error) {
+	ka += KeepAliveIdleInterval(options[soKeepidle].uot - time.Nanosecond)
+	v := uint32(time.Duration(ka) / options[soKeepidle].uot)
+	return (*[4]byte)(unsafe.Pointer(&v))[:], nil
+}
+
+// Marshal implements the Marshal method of Option interface.
+func (ka KeepAliveProbeInterval) Marshal() ([]byte, error) {
+	ka += KeepAliveProbeInterval(options[soKeepintvl].uot - time.Nanosecond)
+	v := uint32(time.Duration(ka) / options[soKeepintvl].uot)
+	return (*[4]byte)(unsafe.Pointer(&v))[:], nil
+}
+
+// Marshal implements the Marshal method of Option interface.
+func (ka KeepAliveProbeCount) Marshal() ([]byte, error) {
+	return nil, errors.New("operation not supported")
+}
+
+// Marshal implements the Marshal method of Option interface.
+func (ck Cork) Marshal() ([]byte, error) {
+	return nil, errors.New("operation not supported")
+}
+
+// Marshal implements the Marshal method of Option interface.
+func (ns NotSentLowWMK) Marshal() ([]byte, error) {
+	return nil, errors.New("operation not supported")
+}
+
+// Marshal implements the Marshal method of Option interface.
+func (e Error) Marshal() ([]byte, error) {
+	return nil, errors.New("operation not supported")
+}
+
+// Marshal implements the Marshal method of Option interface.
+func (cn ECN) Marshal() ([]byte, error) {
+	return nil, errors.New("operation not supported")
+}
+
+func parseNoDelay(b []byte) (Option, error) {
+	if len(b) < 4 {
+		return nil, errors.New("short buffer")
+	}
+	return NoDelay(uint32bool(nativeEndian.Uint32(b))), nil
+}
+
+func parseSendBuffer(b []byte) (Option, error) {
+	if len(b) < 4 {
+		return nil, errors.New("short buffer")
+	}
+	return SendBuffer(nativeEndian.Uint32(b)), nil
+}
+
+func parseReceiveBuffer(b []byte) (Option, error) {
+	if len(b) < 4 {
+		return nil, errors.New("short buffer")
+	}
+	return ReceiveBuffer(nativeEndian.Uint32(b)), nil
+}
+
+func parseKeepAlive(b []byte) (Option, error) {
+	if len(b) < 4 {
+		return nil, errors.New("short buffer")
+	}
+	return KeepAlive(uint32bool(nativeEndian.Uint32(b))), nil
+}
+
+func parseKeepAliveValues(b []byte) (Option, error) {
+	return nil, errors.New("operation not supported")
+}