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/quic-go/quic-go/sys_conn_no_oob.go

@@ -0,0 +1,21 @@
+//go:build !darwin && !linux && !freebsd && !windows
+
+package quic
+
+import (
+	"net"
+	"net/netip"
+)
+
+func newConn(c net.PacketConn, supportsDF bool) (*basicConn, error) {
+	return &basicConn{PacketConn: c, supportsDF: supportsDF}, nil
+}
+
+func inspectReadBuffer(any) (int, error)  { return 0, nil }
+func inspectWriteBuffer(any) (int, error) { return 0, nil }
+
+type packetInfo struct {
+	addr netip.Addr
+}
+
+func (i *packetInfo) OOB() []byte { return nil }