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/elastic/gosigar/sys/windows/doc.go

@@ -0,0 +1,8 @@
+// Package windows contains various Windows system call.
+package windows
+
+// Use "go generate -v -x ." to generate the source.
+
+// Add -trace to enable debug prints around syscalls.
+//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -systemdll=true -output zsyscall_windows.go syscall_windows.go
+//go:generate go run fix_generated.go -input zsyscall_windows.go