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/multiformats/go-multihash/register/sha256/sha256.go

@@ -0,0 +1,21 @@
+// This package has no purpose except to perform registration of multihashes.
+//
+// It is meant to be used as a side-effecting import, e.g.
+//
+//	import (
+//		_ "github.com/multiformats/go-multihash/register/sha256"
+//	)
+//
+// This package an implementation of sha256 using the go std, this is recomanded
+// if you are using go1.21 or above.
+package sha256
+
+import (
+	"crypto/sha256"
+
+	multihash "github.com/multiformats/go-multihash/core"
+)
+
+func init() {
+	multihash.Register(multihash.SHA2_256, sha256.New)
+}