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/obj/marshalWildcard.go

@@ -0,0 +1,37 @@
+package obj
+
+import (
+	"reflect"
+
+	. "github.com/polydawn/refmt/tok"
+)
+
+/*
+	A MarshalMachine that unwraps an `interface{}` value,
+	selects the correct machinery for handling its content,
+	and delegates immediately to that machine.
+*/
+type marshalMachineWildcard struct {
+	delegate MarshalMachine
+}
+
+func (mach *marshalMachineWildcard) Reset(slab *marshalSlab, rv reflect.Value, rt reflect.Type) error {
+	// If the interface contains nil, go no further; we'll simply yield that single token.
+	if rv.IsNil() {
+		mach.delegate = nil
+		return nil
+	}
+	// Pick, reset, and retain a delegate machine for the interior type.
+	unwrap_rv := rv.Elem() // unwrap iface
+	unwrap_rt := unwrap_rv.Type()
+	mach.delegate = slab.requisitionMachine(unwrap_rt)
+	return mach.delegate.Reset(slab, unwrap_rv, unwrap_rt)
+}
+
+func (mach marshalMachineWildcard) Step(driver *Marshaller, slab *marshalSlab, tok *Token) (done bool, err error) {
+	if mach.delegate == nil {
+		tok.Type = TNull
+		return true, nil
+	}
+	return mach.delegate.Step(driver, slab, tok)
+}