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/elastic/gosigar/sigar_util.go

@@ -0,0 +1,30 @@
+// Copyright (c) 2012 VMware, Inc.
+
+package gosigar
+
+import (
+	"bytes"
+)
+
+// byteListToString converts the raw byte arrays we get into a string. This is a bit of a process, as byte strings are normally []uint8
+func byteListToString(raw []int8) string {
+	byteList := make([]byte, len(raw))
+
+	for pos, singleByte := range raw {
+		byteList[pos] = byte(singleByte)
+		if singleByte == 0 {
+			break
+		}
+	}
+
+	return string(bytes.Trim(byteList, "\x00"))
+}
+
+func chop(buf []byte) []byte {
+	return buf[0 : len(buf)-1]
+}
+
+// convertBytesToString trims null bytes and returns a string
+func convertBytesToString(arr []byte) string {
+	return string(bytes.Trim(arr, "\x00"))
+}