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-flow-metrics/README.md

@@ -0,0 +1,41 @@
+go-flow-metrics
+==================
+
+[![](https://img.shields.io/badge/made%20by-Protocol%20Labs-blue.svg?style=flat-square)](https://protocol.ai)
+[![](https://img.shields.io/badge/freenode-%23libp2p-yellow.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23libp2p)
+[![](https://img.shields.io/badge/project-libp2p-yellow.svg?style=flat-square)](https://libp2p.io/)
+[![Travis CI](https://travis-ci.org/libp2p/go-flow-metrics.svg?branch=master)](https://travis-ci.org/libp2p/go-flow-metrics)
+[![Discourse posts](https://img.shields.io/discourse/https/discuss.libp2p.io/posts.svg)](https://discuss.libp2p.io)
+
+
+> A simple library for tracking flow metrics.
+
+A simple alternative to [rcrowley's
+go-metrics](https://github.com/rcrowley/go-metrics) that's a lot faster (and
+only does simple bandwidth metrics).
+
+## Table of Contents
+
+- [Install](#install)
+- [Contribute](#contribute)
+- [License](#license)
+
+## Install
+
+```sh
+make install
+```
+
+## Contribute
+
+PRs are welcome!
+
+Small note: If editing the Readme, please conform to the [standard-readme](https://github.com/RichardLitt/standard-readme) specification.
+
+## License
+
+MIT © Protocol Labs
+
+---
+
+The last gx published version of this module was: 0.2.0: QmQFXpvKpF34dK9HcE7k8Ksk8V4BwWYZtdEcjzu5aUgRVr