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/stretchr/testify/require/require.go.tmpl

@@ -0,0 +1,6 @@
+{{ replace .Comment "assert." "require."}}
+func {{.DocInfo.Name}}(t TestingT, {{.Params}}) {
+	if h, ok := t.(tHelper); ok { h.Helper() }
+	if assert.{{.DocInfo.Name}}(t, {{.ForwardedParams}}) { return }
+	t.FailNow()
+}