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/jbenet/go-temp-err-catcher/README.md

@@ -0,0 +1,78 @@
+# go-temp-err-catcher
+
+This is a little package to use with your net.Listeners.
+
+Docs: https://godoc.org/github.com/jbenet/go-temp-err-catcher
+
+Get:
+
+  go get github.com/jbenet/go-temp-err-catcher
+
+## Examples
+
+It is meant to be used with things like net.Lister.Accept:
+
+```go
+import (
+  tec "github.com/jbenet/go-temp-err-catcher"
+)
+
+func listen(listener net.Listener) {
+  var c tec.TempErrCatcher
+
+  for {
+    conn, err := listener.Accept()
+    if err != nil && c.IsTemporary(c) {
+      continue
+    }
+    return conn, err
+  }
+}
+```
+
+You can make your errors implement `Temporary`:
+
+```go
+type errTemp struct {
+  e error
+}
+
+func (e errTemp) Temporary() bool {
+  return true
+}
+
+func (e errTemp) Error() string {
+  return e.e.Error()
+}
+
+err := errors.New("beep boop")
+var c tec.TempErrCatcher
+c.IsTemporary(err)              // false
+c.IsTemporary(errTemp{err}) // true
+```
+
+Or just use `ErrTemp`:
+
+```go
+err := errors.New("beep boop")
+var c tec.TempErrCatcher
+c.IsTemporary(err)              // false
+c.IsTemporary(tec.ErrTemp{err}) // true
+```
+
+
+You can also define an `IsTemp` function to classify errors:
+
+```go
+var ErrSkip = errors.New("this should be skipped")
+var ErrNotSkip = errors.New("this should not be skipped")
+
+var c tec.TempErrCatcher
+c.IsTemp = func(e error) bool {
+  return e == ErrSkip
+}
+
+c.IsTemporary(ErrSkip) // true
+c.IsTemporary(ErrNotSkip) // false
+c.IsTemporary(ErrTemp) // false! no longer accepts Temporary()
+```