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/tcpopt/parse.go

@@ -0,0 +1,37 @@
+// 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 (
+	"fmt"
+	"sync"
+)
+
+var parserMu sync.RWMutex
+
+// Register registers a socket option parser.
+func Register(level, name int, fn func([]byte) (Option, error)) {
+	parserMu.Lock()
+	parsers[int64(level)<<32|int64(name)] = fn
+	parserMu.Unlock()
+}
+
+// Unregister unregisters a socket option parser.
+func Unregister(level, name int) {
+	parserMu.Lock()
+	delete(parsers, int64(level)<<32|int64(name))
+	parserMu.Unlock()
+}
+
+// Parse parses a socket option.
+func Parse(level, name int, b []byte) (Option, error) {
+	parserMu.RLock()
+	defer parserMu.RUnlock()
+	fn, ok := parsers[int64(level)<<32|int64(name)]
+	if !ok {
+		return nil, fmt.Errorf("parser for level=%#x name=%#x not found", level, name)
+	}
+	return fn(b)
+}