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/doc.go

@@ -0,0 +1,20 @@
+// 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 tcpinfo implements encoding and decoding of TCP-level
+// socket options regarding connection information.
+//
+// The Transmission Control Protocol (TCP) is defined in RFC 793.
+// TCP Selective Acknowledgment Options is defined in RFC 2018.
+// Management Information Base for the Transmission Control Protocol
+// (TCP) is defined in RFC 4022.
+// TCP Congestion Control is defined in RFC 5681.
+// Computing TCP's Retransmission Timer is described in RFC 6298.
+// TCP Options and Maximum Segment Size (MSS) is defined in RFC 6691.
+// Shared Use of Experimental TCP Options is defined in RFC 6994.
+// TCP Extensions for High Performance is defined in RFC 7323.
+//
+// NOTE: Older Linux kernels may not support extended TCP statistics
+// described in RFC 4898.
+package tcpinfo