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/nats-io/nkeys/.goreleaser.yml

@@ -0,0 +1,63 @@
+project_name: nkeys
+release:
+  github:
+    owner: nats-io
+    name: nkeys
+  name_template: '{{.Tag}}'
+  draft: true
+builds:
+  - id: nk
+    main: ./nk/main.go
+    ldflags: "-X main.Version={{.Tag}}_{{.Commit}}"
+    binary: nk
+    goos:
+      - darwin
+      - linux
+      - windows
+      - freebsd
+    goarch:
+      - amd64
+      - arm
+      - arm64
+      - 386
+      - mips64le
+      - s390x
+    goarm:
+      - 6
+      - 7
+    ignore:
+      - goos: darwin
+        goarch: 386
+      - goos: freebsd
+        goarch: arm
+      - goos: freebsd
+        goarch: arm64
+      - goos: freebsd
+        goarch: 386
+
+dist: build
+
+archives:
+  - name_template: '{{ .ProjectName }}-v{{ .Version }}-{{ .Os }}-{{ .Arch }}{{ if .Arm
+    }}v{{ .Arm }}{{ end }}'
+    wrap_in_directory: true
+    format: zip
+    files:
+      - README.md
+      - LICENSE
+
+checksum:
+  name_template: '{{ .ProjectName }}-v{{ .Version }}-checksums.txt'
+
+snapshot:
+  name_template: 'dev'
+
+nfpms:
+  - file_name_template: '{{ .ProjectName }}-v{{ .Version }}-{{ .Arch }}{{ if .Arm
+    }}v{{ .Arm }}{{ end }}'
+    maintainer: nats.io
+    description: NKeys utility cli program
+    vendor: nats-io
+    bindir: /usr/local/bin
+    formats:
+      - deb