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/.gitignore

@@ -0,0 +1,41 @@
+# Directories
+/.vagrant
+/.idea
+/build
+
+# Files
+.DS_Store
+/*.iml
+*.h
+
+# Editor swap files
+*.swp
+*.swo
+*.swn
+
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+*.exe
+*.test
+*.prof
+*.pyc
+*.swp
+
+# Example binaries
+examples/df/df
+examples/df/df.exe
+examples/free/free
+examples/free/free.exe
+examples/ps/ps
+examples/ps/ps.exe
+examples/ss/ss
+examples/ss/ss.exe
+examples/uptime/uptime
+examples/uptime/uptime.exe
+
+# Test Data
+cgroup/testdata/*
+!cgroup/testdata/*.zip
+