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-libp2p/p2p/protocol/identify/opts.go

@@ -0,0 +1,40 @@
+package identify
+
+type config struct {
+	protocolVersion         string
+	userAgent               string
+	disableSignedPeerRecord bool
+	metricsTracer           MetricsTracer
+}
+
+// Option is an option function for identify.
+type Option func(*config)
+
+// ProtocolVersion sets the protocol version string that will be used to
+// identify the family of protocols used by the peer.
+func ProtocolVersion(s string) Option {
+	return func(cfg *config) {
+		cfg.protocolVersion = s
+	}
+}
+
+// UserAgent sets the user agent this node will identify itself with to peers.
+func UserAgent(ua string) Option {
+	return func(cfg *config) {
+		cfg.userAgent = ua
+	}
+}
+
+// DisableSignedPeerRecord disables populating signed peer records on the outgoing Identify response
+// and ONLY sends the unsigned addresses.
+func DisableSignedPeerRecord() Option {
+	return func(cfg *config) {
+		cfg.disableSignedPeerRecord = true
+	}
+}
+
+func WithMetricsTracer(tr MetricsTracer) Option {
+	return func(cfg *config) {
+		cfg.metricsTracer = tr
+	}
+}