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/polydawn/refmt/cbor/errors.go

@@ -0,0 +1,22 @@
+package cbor
+
+import (
+	"fmt"
+
+	. "github.com/polydawn/refmt/tok"
+)
+
+// Error raised by Encoder when invalid tokens or invalid ordering, e.g. a MapClose with no matching open.
+// Should never be seen by the user in practice unless generating their own token streams.
+type ErrInvalidTokenStream struct {
+	Got        Token
+	Acceptable []TokenType
+}
+
+func (e *ErrInvalidTokenStream) Error() string {
+	return fmt.Sprintf("ErrInvalidTokenStream: unexpected %v, expected %v", e.Got, e.Acceptable)
+	// More comprehensible strings might include "start of value", "start of key or end of map", "start of value or end of array".
+}
+
+var tokenTypesForKey = []TokenType{TString, TInt, TUint}
+var tokenTypesForValue = []TokenType{TMapOpen, TArrOpen, TNull, TString, TBytes, TInt, TUint, TFloat64}