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/ipfs/go-log/tracer/raw.go

@@ -0,0 +1,34 @@
+package loggabletracer
+
+import (
+	"time"
+
+	opentracing "github.com/opentracing/opentracing-go"
+)
+
+// RawSpan encapsulates all state associated with a (finished) Span.
+type RawSpan struct {
+	// Those recording the RawSpan should also record the contents of its
+	// SpanContext.
+	Context SpanContext
+
+	// The SpanID of this SpanContext's first intra-trace reference (i.e.,
+	// "parent"), or 0 if there is no parent.
+	ParentSpanID uint64
+
+	// The name of the "operation" this span is an instance of. (Called a "span
+	// name" in some implementations)
+	Operation string
+
+	// We store <start, duration> rather than <start, end> so that only
+	// one of the timestamps has global clock uncertainty issues.
+	Start    time.Time
+	Duration time.Duration
+
+	// Essentially an extension mechanism. Can be used for many purposes,
+	// not to be enumerated here.
+	Tags opentracing.Tags
+
+	// The span's "microlog".
+	Logs []opentracing.LogRecord
+}