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/pbnjay/memory/doc.go

@@ -0,0 +1,24 @@
+// Package memory provides a single method reporting total system memory
+// accessible to the kernel.
+package memory
+
+// TotalMemory returns the total accessible system memory in bytes.
+//
+// The total accessible memory is installed physical memory size minus reserved
+// areas for the kernel and hardware, if such reservations are reported by
+// the operating system.
+//
+// If accessible memory size could not be determined, then 0 is returned.
+func TotalMemory() uint64 {
+	return sysTotalMemory()
+}
+
+// FreeMemory returns the total free system memory in bytes.
+//
+// The total free memory is installed physical memory size minus reserved
+// areas for other applications running on the same system.
+//
+// If free memory size could not be determined, then 0 is returned.
+func FreeMemory() uint64 {
+	return sysFreeMemory()
+}