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/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")
+}