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/README.md

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+Package tcpopt implements encoding and decoding of TCP-level socket options.
+
+[![GoDoc](https://godoc.org/github.com/mikioh/tcpopt?status.png)](https://godoc.org/github.com/mikioh/tcpopt)
+[![Build Status](https://travis-ci.org/mikioh/tcpopt.svg?branch=master)](https://travis-ci.org/mikioh/tcpopt)
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