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/assert/doc.go

@@ -0,0 +1,46 @@
+// Package assert provides a set of comprehensive testing tools for use with the normal Go testing system.
+//
+// # Example Usage
+//
+// The following is a complete example using assert in a standard test function:
+//
+//	import (
+//	  "testing"
+//	  "github.com/stretchr/testify/assert"
+//	)
+//
+//	func TestSomething(t *testing.T) {
+//
+//	  var a string = "Hello"
+//	  var b string = "Hello"
+//
+//	  assert.Equal(t, a, b, "The two words should be the same.")
+//
+//	}
+//
+// if you assert many times, use the format below:
+//
+//	import (
+//	  "testing"
+//	  "github.com/stretchr/testify/assert"
+//	)
+//
+//	func TestSomething(t *testing.T) {
+//	  assert := assert.New(t)
+//
+//	  var a string = "Hello"
+//	  var b string = "Hello"
+//
+//	  assert.Equal(a, b, "The two words should be the same.")
+//	}
+//
+// # Assertions
+//
+// Assertions allow you to easily write test code, and are global funcs in the `assert` package.
+// All assertion functions take, as the first argument, the `*testing.T` object provided by the
+// testing framework. This allows the assertion funcs to write the failings and other details to
+// the correct place.
+//
+// Every assertion function also takes an optional string message as the final argument,
+// allowing custom error messages to be appended to the message the assertion method outputs.
+package assert