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/docker/go-connections/sockets/sockets_unix.go

@@ -0,0 +1,39 @@
+//go:build !windows
+
+package sockets
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"net/http"
+	"syscall"
+	"time"
+)
+
+const maxUnixSocketPathSize = len(syscall.RawSockaddrUnix{}.Path)
+
+func configureUnixTransport(tr *http.Transport, proto, addr string) error {
+	if len(addr) > maxUnixSocketPathSize {
+		return fmt.Errorf("unix socket path %q is too long", addr)
+	}
+	// No need for compression in local communications.
+	tr.DisableCompression = true
+	dialer := &net.Dialer{
+		Timeout: defaultTimeout,
+	}
+	tr.DialContext = func(ctx context.Context, _, _ string) (net.Conn, error) {
+		return dialer.DialContext(ctx, proto, addr)
+	}
+	return nil
+}
+
+func configureNpipeTransport(tr *http.Transport, proto, addr string) error {
+	return ErrProtocolNotAvailable
+}
+
+// DialPipe connects to a Windows named pipe.
+// This is not supported on other OSes.
+func DialPipe(_ string, _ time.Duration) (net.Conn, error) {
+	return nil, syscall.EAFNOSUPPORT
+}