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/jackpal/go-nat-pmp/README.md

@@ -0,0 +1,78 @@
+go-nat-pmp
+==========
+
+A Go language client for the NAT-PMP internet protocol for port mapping and discovering the external
+IP address of a firewall.
+
+NAT-PMP is supported by Apple brand routers and open source routers like Tomato and DD-WRT.
+
+See https://tools.ietf.org/rfc/rfc6886.txt
+
+
+[![Build Status](https://travis-ci.org/jackpal/go-nat-pmp.svg)](https://travis-ci.org/jackpal/go-nat-pmp)
+
+Get the package
+---------------
+
+    # Get the go-nat-pmp package.
+    go get -u github.com/jackpal/go-nat-pmp
+ 
+Usage
+-----
+
+Get one more package, used by the example code:
+
+    go get -u github.com/jackpal/gateway
+ 
+ Create a directory:
+ 
+    cd ~/go
+    mkdir -p src/hello
+    cd src/hello
+
+Create a file hello.go with these contents:
+
+    package main
+
+    import (
+        "fmt"
+
+        "github.com/jackpal/gateway"
+        natpmp "github.com/jackpal/go-nat-pmp"
+    )
+
+    func main() {
+        gatewayIP, err := gateway.DiscoverGateway()
+        if err != nil {
+            return
+        }
+
+        client := natpmp.NewClient(gatewayIP)
+        response, err := client.GetExternalAddress()
+        if err != nil {
+            return
+        }
+        fmt.Printf("External IP address: %v\n", response.ExternalIPAddress)
+    }
+
+Build the example
+
+    go build
+    ./hello
+
+    External IP address: [www xxx yyy zzz]
+
+Clients
+-------
+
+This library is used in the Taipei Torrent BitTorrent client http://github.com/jackpal/Taipei-Torrent
+
+Complete documentation
+----------------------
+
+    http://godoc.org/github.com/jackpal/go-nat-pmp
+
+License
+-------
+
+This project is licensed under the Apache License 2.0.