Integrate BACKBEAT SDK and resolve KACHING license validation

Major integrations and fixes:
- Added BACKBEAT SDK integration for P2P operation timing
- Implemented beat-aware status tracking for distributed operations
- Added Docker secrets support for secure license management
- Resolved KACHING license validation via HTTPS/TLS
- Updated docker-compose configuration for clean stack deployment
- Disabled rollback policies to prevent deployment failures
- Added license credential storage (CHORUS-DEV-MULTI-001)

Technical improvements:
- BACKBEAT P2P operation tracking with phase management
- Enhanced configuration system with file-based secrets
- Improved error handling for license validation
- Clean separation of KACHING and CHORUS deployment stacks

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

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

vendor/github.com/libp2p/go-yamux/v4/mux.go

@@ -0,0 +1,141 @@
+package yamux
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"net"
+	"os"
+	"time"
+)
+
+// Config is used to tune the Yamux session
+type Config struct {
+	// AcceptBacklog is used to limit how many streams may be
+	// waiting an accept.
+	AcceptBacklog int
+
+	// PingBacklog is used to limit how many ping acks we can queue.
+	PingBacklog int
+
+	// EnableKeepalive is used to do a period keep alive
+	// messages using a ping.
+	EnableKeepAlive bool
+
+	// KeepAliveInterval is how often to perform the keep alive
+	KeepAliveInterval time.Duration
+
+	// MeasureRTTInterval is how often to re-measure the round trip time
+	MeasureRTTInterval time.Duration
+
+	// ConnectionWriteTimeout is meant to be a "safety valve" timeout after
+	// we which will suspect a problem with the underlying connection and
+	// close it. This is only applied to writes, where's there's generally
+	// an expectation that things will move along quickly.
+	ConnectionWriteTimeout time.Duration
+
+	// MaxIncomingStreams is maximum number of concurrent incoming streams
+	// that we accept. If the peer tries to open more streams, those will be
+	// reset immediately.
+	MaxIncomingStreams uint32
+
+	// InitialStreamWindowSize is used to control the initial
+	// window size that we allow for a stream.
+	InitialStreamWindowSize uint32
+
+	// MaxStreamWindowSize is used to control the maximum
+	// window size that we allow for a stream.
+	MaxStreamWindowSize uint32
+
+	// LogOutput is used to control the log destination
+	LogOutput io.Writer
+
+	// ReadBufSize controls the size of the read buffer.
+	//
+	// Set to 0 to disable it.
+	ReadBufSize int
+
+	// WriteCoalesceDelay is the maximum amount of time we'll delay
+	// coalescing a packet before sending it. This should be on the order of
+	// micro-milliseconds.
+	WriteCoalesceDelay time.Duration
+
+	// MaxMessageSize is the maximum size of a message that we'll send on a
+	// stream. This ensures that a single stream doesn't hog a connection.
+	MaxMessageSize uint32
+}
+
+// DefaultConfig is used to return a default configuration
+func DefaultConfig() *Config {
+	return &Config{
+		AcceptBacklog:           256,
+		PingBacklog:             32,
+		EnableKeepAlive:         true,
+		KeepAliveInterval:       30 * time.Second,
+		MeasureRTTInterval:      30 * time.Second,
+		ConnectionWriteTimeout:  10 * time.Second,
+		MaxIncomingStreams:      1000,
+		InitialStreamWindowSize: initialStreamWindow,
+		MaxStreamWindowSize:     maxStreamWindow,
+		LogOutput:               os.Stderr,
+		ReadBufSize:             4096,
+		MaxMessageSize:          64 * 1024,
+		WriteCoalesceDelay:      100 * time.Microsecond,
+	}
+}
+
+// VerifyConfig is used to verify the sanity of configuration
+func VerifyConfig(config *Config) error {
+	if config.AcceptBacklog <= 0 {
+		return fmt.Errorf("backlog must be positive")
+	}
+	if config.KeepAliveInterval == 0 {
+		return fmt.Errorf("keep-alive interval must be positive")
+	}
+	if config.MeasureRTTInterval == 0 {
+		return fmt.Errorf("measure-rtt interval must be positive")
+	}
+
+	if config.InitialStreamWindowSize < initialStreamWindow {
+		return errors.New("InitialStreamWindowSize must be larger or equal 256 kB")
+	}
+	if config.MaxStreamWindowSize < config.InitialStreamWindowSize {
+		return errors.New("MaxStreamWindowSize must be larger than the InitialStreamWindowSize")
+	}
+	if config.MaxMessageSize < 1024 {
+		return fmt.Errorf("MaxMessageSize must be greater than a kilobyte")
+	}
+	if config.WriteCoalesceDelay < 0 {
+		return fmt.Errorf("WriteCoalesceDelay must be >= 0")
+	}
+	if config.PingBacklog < 1 {
+		return fmt.Errorf("PingBacklog must be > 0")
+	}
+	return nil
+}
+
+// Server is used to initialize a new server-side connection.
+// There must be at most one server-side connection. If a nil config is
+// provided, the DefaultConfiguration will be used.
+func Server(conn net.Conn, config *Config, mm func() (MemoryManager, error)) (*Session, error) {
+	if config == nil {
+		config = DefaultConfig()
+	}
+	if err := VerifyConfig(config); err != nil {
+		return nil, err
+	}
+	return newSession(config, conn, false, config.ReadBufSize, mm), nil
+}
+
+// Client is used to initialize a new client-side connection.
+// There must be at most one client-side connection.
+func Client(conn net.Conn, config *Config, mm func() (MemoryManager, error)) (*Session, error) {
+	if config == nil {
+		config = DefaultConfig()
+	}
+
+	if err := VerifyConfig(config); err != nil {
+		return nil, err
+	}
+	return newSession(config, conn, true, config.ReadBufSize, mm), nil
+}