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/atlas/errors.go

@@ -0,0 +1,14 @@
+package atlas
+
+// Error type raised when initializing an Atlas, and field entries do
+// not resolve against the type.
+// (If you recently refactored names of fields in your types, check
+// to make sure you updated any references to those fields by name to match!)
+type ErrStructureMismatch struct {
+	TypeName string
+	Reason   string
+}
+
+func (e ErrStructureMismatch) Error() string {
+	return "structure mismatch: " + e.TypeName + " " + e.Reason
+}